Unverified Commit 5f6d10c1 authored by Michael Goin's avatar Michael Goin Committed by GitHub
Browse files

[CI/Build] Enforce style for C++ and CUDA code with `clang-format` (#4722)

parent 9b9a10d6
BasedOnStyle: Google
UseTab: Never
IndentWidth: 2
ColumnLimit: 80
# Force pointers to the type for C++.
DerivePointerAlignment: false
PointerAlignment: Left
# Reordering #include statements can (and currently will) introduce errors
SortIncludes: false
# Style choices
AlignConsecutiveAssignments: false
AlignConsecutiveDeclarations: false
IndentPPDirectives: BeforeHash
IncludeCategories:
- Regex: '^<'
Priority: 4
- Regex: '^"(llvm|llvm-c|clang|clang-c|mlir|mlir-c)/'
Priority: 3
- Regex: '^"(qoda|\.\.)/'
Priority: 2
- Regex: '.*'
Priority: 1
name: clang-format
on:
# Trigger the workflow on push or pull request,
# but only for the main branch
push:
branches:
- main
pull_request:
branches:
- main
jobs:
clang-format:
runs-on: ubuntu-latest
strategy:
matrix:
python-version: ["3.11"]
steps:
- uses: actions/checkout@v2
- name: Set up Python ${{ matrix.python-version }}
uses: actions/setup-python@v2
with:
python-version: ${{ matrix.python-version }}
- name: Install dependencies
run: |
python -m pip install --upgrade pip
pip install clang-format==18.1.5
- name: Running clang-format
run: |
EXCLUDES=(
'csrc/moe/topk_softmax_kernels.cu'
'csrc/punica/bgmv/bgmv_bf16_bf16_bf16.cu'
'csrc/punica/bgmv/bgmv_config.h'
'csrc/punica/bgmv/bgmv_impl.cuh'
'csrc/punica/bgmv/vec_dtypes.cuh'
'csrc/punica/punica_ops.cu'
'csrc/punica/type_convert.h'
)
find csrc/ \( -name '*.h' -o -name '*.cpp' -o -name '*.cu' -o -name '*.cuh' \) -print \
| grep -vFf <(printf "%s\n" "${EXCLUDES[@]}") \
| xargs clang-format --dry-run --Werror
\ No newline at end of file
......@@ -10,11 +10,11 @@
namespace vllm {
// Activation and gating kernel template.
template<typename scalar_t, scalar_t (*ACT_FN)(const scalar_t&)>
template <typename scalar_t, scalar_t (*ACT_FN)(const scalar_t&)>
__global__ void act_and_mul_kernel(
scalar_t* __restrict__ out, // [..., d]
const scalar_t* __restrict__ input, // [..., 2, d]
const int d) {
scalar_t* __restrict__ out, // [..., d]
const scalar_t* __restrict__ input, // [..., 2, d]
const int d) {
const int64_t token_idx = blockIdx.x;
for (int64_t idx = threadIdx.x; idx < d; idx += blockDim.x) {
const scalar_t x = VLLM_LDG(&input[token_idx * 2 * d + idx]);
......@@ -23,72 +23,66 @@ __global__ void act_and_mul_kernel(
}
}
template<typename T>
template <typename T>
__device__ __forceinline__ T silu_kernel(const T& x) {
// x * sigmoid(x)
return (T) (((float) x) / (1.0f + expf((float) -x)));
return (T)(((float)x) / (1.0f + expf((float)-x)));
}
template<typename T>
template <typename T>
__device__ __forceinline__ T gelu_kernel(const T& x) {
// Equivalent to PyTorch GELU with 'none' approximation.
// Refer to:
// https://github.com/pytorch/pytorch/blob/8ac9b20d4b090c213799e81acf48a55ea8d437d6/aten/src/ATen/native/cuda/ActivationGeluKernel.cu#L36-L38
const float f = (float) x;
const float f = (float)x;
constexpr float ALPHA = M_SQRT1_2;
return (T) (f * 0.5f * (1.0f + ::erf(f * ALPHA)));
return (T)(f * 0.5f * (1.0f + ::erf(f * ALPHA)));
}
template<typename T>
template <typename T>
__device__ __forceinline__ T gelu_tanh_kernel(const T& x) {
// Equivalent to PyTorch GELU with 'tanh' approximation.
// Refer to:
// https://github.com/pytorch/pytorch/blob/8ac9b20d4b090c213799e81acf48a55ea8d437d6/aten/src/ATen/native/cuda/ActivationGeluKernel.cu#L25-L30
const float f = (float) x;
const float f = (float)x;
constexpr float BETA = M_SQRT2 * M_2_SQRTPI * 0.5f;
constexpr float KAPPA = 0.044715;
float x_cube = f * f * f;
float inner = BETA * (f + KAPPA * x_cube);
return (T) (0.5f * f * (1.0f + ::tanhf(inner)));
return (T)(0.5f * f * (1.0f + ::tanhf(inner)));
}
} // namespace vllm
} // namespace vllm
// Launch activation and gating kernel.
#define LAUNCH_ACTIVATION_GATE_KERNEL(KERNEL) \
int d = input.size(-1) / 2; \
int64_t num_tokens = input.numel() / input.size(-1); \
dim3 grid(num_tokens); \
dim3 block(std::min(d, 1024)); \
const at::cuda::OptionalCUDAGuard device_guard(device_of(input)); \
const cudaStream_t stream = at::cuda::getCurrentCUDAStream(); \
VLLM_DISPATCH_FLOATING_TYPES( \
input.scalar_type(), \
"act_and_mul_kernel", \
[&] { \
vllm::act_and_mul_kernel<scalar_t, KERNEL<scalar_t>><<<grid, block, 0, stream>>>( \
out.data_ptr<scalar_t>(), \
input.data_ptr<scalar_t>(), \
d); \
});
void silu_and_mul(
torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., 2 * d]
#define LAUNCH_ACTIVATION_GATE_KERNEL(KERNEL) \
int d = input.size(-1) / 2; \
int64_t num_tokens = input.numel() / input.size(-1); \
dim3 grid(num_tokens); \
dim3 block(std::min(d, 1024)); \
const at::cuda::OptionalCUDAGuard device_guard(device_of(input)); \
const cudaStream_t stream = at::cuda::getCurrentCUDAStream(); \
VLLM_DISPATCH_FLOATING_TYPES( \
input.scalar_type(), "act_and_mul_kernel", [&] { \
vllm::act_and_mul_kernel<scalar_t, KERNEL<scalar_t>> \
<<<grid, block, 0, stream>>>(out.data_ptr<scalar_t>(), \
input.data_ptr<scalar_t>(), d); \
});
void silu_and_mul(torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., 2 * d]
{
LAUNCH_ACTIVATION_GATE_KERNEL(vllm::silu_kernel);
}
void gelu_and_mul(
torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., 2 * d]
void gelu_and_mul(torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., 2 * d]
{
LAUNCH_ACTIVATION_GATE_KERNEL(vllm::gelu_kernel);
}
void gelu_tanh_and_mul(
torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., 2 * d]
void gelu_tanh_and_mul(torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., 2 * d]
{
LAUNCH_ACTIVATION_GATE_KERNEL(vllm::gelu_tanh_kernel);
}
......@@ -96,11 +90,11 @@ void gelu_tanh_and_mul(
namespace vllm {
// Element-wise activation kernel template.
template<typename scalar_t, scalar_t (*ACT_FN)(const scalar_t&)>
template <typename scalar_t, scalar_t (*ACT_FN)(const scalar_t&)>
__global__ void activation_kernel(
scalar_t* __restrict__ out, // [..., d]
const scalar_t* __restrict__ input, // [..., d]
const int d) {
scalar_t* __restrict__ out, // [..., d]
const scalar_t* __restrict__ input, // [..., d]
const int d) {
const int64_t token_idx = blockIdx.x;
for (int64_t idx = threadIdx.x; idx < d; idx += blockDim.x) {
const scalar_t x = VLLM_LDG(&input[token_idx * d + idx]);
......@@ -108,54 +102,49 @@ __global__ void activation_kernel(
}
}
} // namespace vllm
} // namespace vllm
// Launch element-wise activation kernel.
#define LAUNCH_ACTIVATION_KERNEL(KERNEL) \
int d = input.size(-1); \
int64_t num_tokens = input.numel() / d; \
dim3 grid(num_tokens); \
dim3 block(std::min(d, 1024)); \
const at::cuda::OptionalCUDAGuard device_guard(device_of(input)); \
const cudaStream_t stream = at::cuda::getCurrentCUDAStream(); \
VLLM_DISPATCH_FLOATING_TYPES( \
input.scalar_type(), \
"activation_kernel", \
[&] { \
vllm::activation_kernel<scalar_t, KERNEL<scalar_t>><<<grid, block, 0, stream>>>( \
out.data_ptr<scalar_t>(), \
input.data_ptr<scalar_t>(), \
d); \
});
#define LAUNCH_ACTIVATION_KERNEL(KERNEL) \
int d = input.size(-1); \
int64_t num_tokens = input.numel() / d; \
dim3 grid(num_tokens); \
dim3 block(std::min(d, 1024)); \
const at::cuda::OptionalCUDAGuard device_guard(device_of(input)); \
const cudaStream_t stream = at::cuda::getCurrentCUDAStream(); \
VLLM_DISPATCH_FLOATING_TYPES(input.scalar_type(), "activation_kernel", [&] { \
vllm::activation_kernel<scalar_t, KERNEL<scalar_t>> \
<<<grid, block, 0, stream>>>(out.data_ptr<scalar_t>(), \
input.data_ptr<scalar_t>(), d); \
});
namespace vllm {
template<typename T>
template <typename T>
__device__ __forceinline__ T gelu_new_kernel(const T& x) {
const float x3 = (float) (x * x * x);
const T t = (T) tanhf((T) (0.79788456f * (float) (x + (T) (0.044715f * x3))));
return ((T) 0.5) * x * (((T) 1.0) + t);
const float x3 = (float)(x * x * x);
const T t = (T)tanhf((T)(0.79788456f * (float)(x + (T)(0.044715f * x3))));
return ((T)0.5) * x * (((T)1.0) + t);
}
template<typename T>
template <typename T>
__device__ __forceinline__ T gelu_fast_kernel(const T& x) {
const float f = (float) x;
const T t = (T) tanhf(((T) (f * 0.79788456f)) * (((T) 1.0) + (T) (0.044715f * f) * x));
return ((T) 0.5) * x * (((T) 1.0) + t);
const float f = (float)x;
const T t =
(T)tanhf(((T)(f * 0.79788456f)) * (((T)1.0) + (T)(0.044715f * f) * x));
return ((T)0.5) * x * (((T)1.0) + t);
}
} // namespace vllm
} // namespace vllm
void gelu_new(
torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., d]
void gelu_new(torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., d]
{
LAUNCH_ACTIVATION_KERNEL(vllm::gelu_new_kernel);
}
void gelu_fast(
torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., d]
void gelu_fast(torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., d]
{
LAUNCH_ACTIVATION_KERNEL(vllm::gelu_fast_kernel);
}
/*
* Adapted from https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention_utils.h
* Adapted from
* https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention_utils.h
* Copyright (c) 2023, The vLLM team.
* Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
*
......@@ -22,31 +23,31 @@
namespace vllm {
// A vector type to store Q, K, V elements.
template<typename T, int VEC_SIZE>
template <typename T, int VEC_SIZE>
struct Vec {};
// A vector type to store FP32 accumulators.
template<typename T>
template <typename T>
struct FloatVec {};
// Template vector operations.
template<typename Acc, typename A, typename B>
template <typename Acc, typename A, typename B>
inline __device__ Acc mul(A a, B b);
template<typename T>
template <typename T>
inline __device__ float sum(T v);
template<typename T>
template <typename T>
inline __device__ float dot(T a, T b) {
return sum(mul<T, T, T>(a, b));
}
template<typename A, typename T>
template <typename A, typename T>
inline __device__ float dot(T a, T b) {
return sum(mul<A, T, T>(a, b));
}
template<typename T>
template <typename T>
inline __device__ void zero(T& dst) {
constexpr int WORDS = sizeof(T) / 4;
union {
......@@ -61,4 +62,4 @@ inline __device__ void zero(T& dst) {
dst = tmp.raw;
}
} // namespace vllm
} // namespace vllm
This diff is collapsed.
/*
* Adapted from https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention/decoder_masked_multihead_attention_template.hpp
* Adapted from
* https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention/decoder_masked_multihead_attention_template.hpp
* Copyright (c) 2023, The vLLM team.
* Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
*
......@@ -26,7 +27,7 @@
namespace vllm {
// Q*K^T operation.
template<int THREAD_GROUP_SIZE, typename Vec, int N>
template <int THREAD_GROUP_SIZE, typename Vec, int N>
inline __device__ float qk_dot_(const Vec (&q)[N], const Vec (&k)[N]) {
using A_vec = typename FloatVec<Vec>::Type;
// Compute the parallel products for Q*K^T (treat vector lanes separately).
......@@ -45,12 +46,12 @@ inline __device__ float qk_dot_(const Vec (&q)[N], const Vec (&k)[N]) {
return qk;
}
template<typename T, int THREAD_GROUP_SIZE>
template <typename T, int THREAD_GROUP_SIZE>
struct Qk_dot {
template<typename Vec, int N>
template <typename Vec, int N>
static inline __device__ float dot(const Vec (&q)[N], const Vec (&k)[N]) {
return qk_dot_<THREAD_GROUP_SIZE>(q, k);
}
};
} // namespace vllm
} // namespace vllm
/*
* Adapted from https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention/decoder_masked_multihead_attention_template.hpp
* and https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention_utils.h
* Adapted from
* https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention/decoder_masked_multihead_attention_template.hpp
* and
* https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention_utils.h
* Copyright (c) 2023, The vLLM team.
* Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
*
......@@ -28,8 +30,8 @@
#include <hip/hip_bf16.h>
#include <hip/hip_fp16.h>
typedef __hip_bfloat162 __nv_bfloat162;
typedef __hip_bfloat16 __nv_bfloat16;
typedef __hip_bfloat162 __nv_bfloat162;
typedef __hip_bfloat16 __nv_bfloat16;
#endif
#include <stdint.h>
......@@ -50,37 +52,37 @@ struct bf16_8_t {
};
// BF16 vector types for Q, K, V.
template<>
template <>
struct Vec<__nv_bfloat16, 1> {
using Type = __nv_bfloat16;
};
template<>
template <>
struct Vec<__nv_bfloat16, 2> {
using Type = __nv_bfloat162;
};
template<>
template <>
struct Vec<__nv_bfloat16, 4> {
using Type = bf16_4_t;
};
template<>
template <>
struct Vec<__nv_bfloat16, 8> {
using Type = bf16_8_t;
};
// FP32 accumulator vector types corresponding to Vec.
template<>
template <>
struct FloatVec<__nv_bfloat16> {
using Type = float;
};
template<>
template <>
struct FloatVec<__nv_bfloat162> {
using Type = float2;
};
template<>
template <>
struct FloatVec<bf16_4_t> {
using Type = Float4_;
};
template<>
template <>
struct FloatVec<bf16_8_t> {
using Type = Float8_;
};
......@@ -108,9 +110,9 @@ inline __device__ __nv_bfloat16 add(__nv_bfloat16 a, __nv_bfloat16 b) {
assert(false);
#else
#ifndef USE_ROCM
return a + b;
return a + b;
#else
return __hadd(a, b);
return __hadd(a, b);
#endif
#endif
}
......@@ -161,7 +163,7 @@ inline __device__ Float8_ add(bf16_8_t a, Float8_ fb) {
}
// Vector multiplication.
template<>
template <>
inline __device__ __nv_bfloat16 mul(__nv_bfloat16 a, __nv_bfloat16 b) {
#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ < 800
assert(false);
......@@ -170,7 +172,7 @@ inline __device__ __nv_bfloat16 mul(__nv_bfloat16 a, __nv_bfloat16 b) {
#endif
}
template<>
template <>
inline __device__ __nv_bfloat162 mul(__nv_bfloat162 a, __nv_bfloat162 b) {
#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ < 800
assert(false);
......@@ -179,12 +181,12 @@ inline __device__ __nv_bfloat162 mul(__nv_bfloat162 a, __nv_bfloat162 b) {
#endif
}
template<>
template <>
inline __device__ __nv_bfloat162 mul(__nv_bfloat16 a, __nv_bfloat162 b) {
return mul<__nv_bfloat162, __nv_bfloat162, __nv_bfloat162>(bf162bf162(a), b);
}
template<>
template <>
inline __device__ bf16_4_t mul(bf16_4_t a, bf16_4_t b) {
bf16_4_t c;
c.x = mul<__nv_bfloat162, __nv_bfloat162, __nv_bfloat162>(a.x, b.x);
......@@ -192,7 +194,7 @@ inline __device__ bf16_4_t mul(bf16_4_t a, bf16_4_t b) {
return c;
}
template<>
template <>
inline __device__ bf16_4_t mul(__nv_bfloat16 a, bf16_4_t b) {
__nv_bfloat162 s = bf162bf162(a);
bf16_4_t c;
......@@ -201,7 +203,7 @@ inline __device__ bf16_4_t mul(__nv_bfloat16 a, bf16_4_t b) {
return c;
}
template<>
template <>
inline __device__ bf16_8_t mul(bf16_8_t a, bf16_8_t b) {
bf16_8_t c;
c.x = mul<__nv_bfloat162, __nv_bfloat162, __nv_bfloat162>(a.x, b.x);
......@@ -211,7 +213,7 @@ inline __device__ bf16_8_t mul(bf16_8_t a, bf16_8_t b) {
return c;
}
template<>
template <>
inline __device__ bf16_8_t mul(__nv_bfloat16 a, bf16_8_t b) {
__nv_bfloat162 s = bf162bf162(a);
bf16_8_t c;
......@@ -222,26 +224,26 @@ inline __device__ bf16_8_t mul(__nv_bfloat16 a, bf16_8_t b) {
return c;
}
template<>
template <>
inline __device__ float mul(__nv_bfloat16 a, __nv_bfloat16 b) {
float fa = __bfloat162float(a);
float fb = __bfloat162float(b);
return fa * fb;
}
template<>
template <>
inline __device__ float2 mul(__nv_bfloat162 a, __nv_bfloat162 b) {
float2 fa = bf1622float2(a);
float2 fb = bf1622float2(b);
return mul<float2, float2, float2>(fa, fb);
}
template<>
template <>
inline __device__ float2 mul(__nv_bfloat16 a, __nv_bfloat162 b) {
return mul<float2, __nv_bfloat162, __nv_bfloat162>(bf162bf162(a), b);
}
template<>
template <>
inline __device__ Float4_ mul(bf16_4_t a, bf16_4_t b) {
Float4_ fc;
fc.x = mul<float2, __nv_bfloat162, __nv_bfloat162>(a.x, b.x);
......@@ -249,7 +251,7 @@ inline __device__ Float4_ mul(bf16_4_t a, bf16_4_t b) {
return fc;
}
template<>
template <>
inline __device__ Float4_ mul(__nv_bfloat16 a, bf16_4_t b) {
__nv_bfloat162 s = bf162bf162(a);
Float4_ fc;
......@@ -258,7 +260,7 @@ inline __device__ Float4_ mul(__nv_bfloat16 a, bf16_4_t b) {
return fc;
}
template<>
template <>
inline __device__ Float8_ mul(bf16_8_t a, bf16_8_t b) {
Float8_ fc;
fc.x = mul<float2, __nv_bfloat162, __nv_bfloat162>(a.x, b.x);
......@@ -268,7 +270,7 @@ inline __device__ Float8_ mul(bf16_8_t a, bf16_8_t b) {
return fc;
}
template<>
template <>
inline __device__ Float8_ mul(__nv_bfloat16 a, bf16_8_t b) {
__nv_bfloat162 s = bf162bf162(a);
Float8_ fc;
......@@ -280,7 +282,8 @@ inline __device__ Float8_ mul(__nv_bfloat16 a, bf16_8_t b) {
}
// Vector fused multiply-add.
inline __device__ __nv_bfloat162 fma(__nv_bfloat162 a, __nv_bfloat162 b, __nv_bfloat162 c) {
inline __device__ __nv_bfloat162 fma(__nv_bfloat162 a, __nv_bfloat162 b,
__nv_bfloat162 c) {
#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ < 800
assert(false);
#else
......@@ -288,7 +291,8 @@ inline __device__ __nv_bfloat162 fma(__nv_bfloat162 a, __nv_bfloat162 b, __nv_bf
#endif
}
inline __device__ __nv_bfloat162 fma(__nv_bfloat16 a, __nv_bfloat162 b, __nv_bfloat162 c) {
inline __device__ __nv_bfloat162 fma(__nv_bfloat16 a, __nv_bfloat162 b,
__nv_bfloat162 c) {
#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ < 800
assert(false);
#else
......@@ -379,23 +383,23 @@ inline __device__ Float8_ fma(__nv_bfloat16 a, bf16_8_t b, Float8_ fc) {
}
// Vector sum.
template<>
template <>
inline __device__ float sum(__nv_bfloat16 v) {
return __bfloat162float(v);
}
template<>
template <>
inline __device__ float sum(__nv_bfloat162 v) {
float2 vf = bf1622float2(v);
return vf.x + vf.y;
}
template<>
template <>
inline __device__ float sum(bf16_4_t v) {
return sum(v.x) + sum(v.y);
}
template<>
template <>
inline __device__ float sum(bf16_8_t v) {
return sum(v.x) + sum(v.y) + sum(v.z) + sum(v.w);
}
......@@ -448,4 +452,4 @@ inline __device__ void zero(__nv_bfloat16& dst) {
#endif
}
} // namespace vllm
} // namespace vllm
/*
* Adapted from https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention/decoder_masked_multihead_attention_template.hpp
* and https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention_utils.h
* Adapted from
* https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention/decoder_masked_multihead_attention_template.hpp
* and
* https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention_utils.h
* Copyright (c) 2023, The vLLM team.
* Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
*
......@@ -30,37 +32,37 @@
namespace vllm {
// FP16 vector types for Q, K, V.
template<>
template <>
struct Vec<uint16_t, 1> {
using Type = uint16_t;
};
template<>
template <>
struct Vec<uint16_t, 2> {
using Type = uint32_t;
};
template<>
template <>
struct Vec<uint16_t, 4> {
using Type = uint2;
};
template<>
template <>
struct Vec<uint16_t, 8> {
using Type = uint4;
};
// FP32 accumulator vector types corresponding to Vec.
template<>
template <>
struct FloatVec<uint16_t> {
using Type = float;
};
template<>
template <>
struct FloatVec<uint32_t> {
using Type = float2;
};
template<>
template <>
struct FloatVec<uint2> {
using Type = Float4_;
};
template<>
template <>
struct FloatVec<uint4> {
using Type = Float8_;
};
......@@ -73,8 +75,8 @@ inline __device__ uint32_t h0_h0(uint16_t a) {
return b;
#else
union {
uint32_t u32;
uint16_t u16[2];
uint32_t u32;
uint16_t u16[2];
} tmp;
tmp.u16[0] = a;
tmp.u16[1] = a;
......@@ -130,10 +132,12 @@ inline __device__ uint32_t float2_to_half2(float2 f) {
} tmp;
#ifndef USE_ROCM
#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 800
asm volatile("cvt.rn.f16x2.f32 %0, %1, %2;\n" : "=r"(tmp.u32) : "f"(f.y), "f"(f.x));
asm volatile("cvt.rn.f16x2.f32 %0, %1, %2;\n"
: "=r"(tmp.u32)
: "f"(f.y), "f"(f.x));
#else
asm volatile("cvt.rn.f16.f32 %0, %1;\n" : "=h"(tmp.u16[0]) : "f"(f.x));
asm volatile("cvt.rn.f16.f32 %0, %1;\n" : "=h"(tmp.u16[1]) : "f"(f.y));
asm volatile("cvt.rn.f16.f32 %0, %1;\n" : "=h"(tmp.u16[0]) : "f"(f.x));
asm volatile("cvt.rn.f16.f32 %0, %1;\n" : "=h"(tmp.u16[1]) : "f"(f.y));
#endif
#else
tmp.u16[0] = float_to_half(f.x);
......@@ -201,7 +205,7 @@ inline __device__ Float8_ add(uint4 a, Float8_ fb) {
}
// Vector multiplication.
template<>
template <>
inline __device__ uint16_t mul(uint16_t a, uint16_t b) {
uint16_t c;
#ifndef USE_ROCM
......@@ -212,7 +216,7 @@ inline __device__ uint16_t mul(uint16_t a, uint16_t b) {
return c;
}
template<>
template <>
inline __device__ uint32_t mul(uint32_t a, uint32_t b) {
uint32_t c;
#ifndef USE_ROCM
......@@ -223,12 +227,12 @@ inline __device__ uint32_t mul(uint32_t a, uint32_t b) {
return c;
}
template<>
template <>
inline __device__ uint32_t mul(uint16_t a, uint32_t b) {
return mul<uint32_t, uint32_t, uint32_t>(h0_h0(a), b);
}
template<>
template <>
inline __device__ uint2 mul(uint2 a, uint2 b) {
uint2 c;
c.x = mul<uint32_t, uint32_t, uint32_t>(a.x, b.x);
......@@ -236,7 +240,7 @@ inline __device__ uint2 mul(uint2 a, uint2 b) {
return c;
}
template<>
template <>
inline __device__ uint2 mul(uint16_t a, uint2 b) {
uint32_t s = h0_h0(a);
uint2 c;
......@@ -245,7 +249,7 @@ inline __device__ uint2 mul(uint16_t a, uint2 b) {
return c;
}
template<>
template <>
inline __device__ uint4 mul(uint4 a, uint4 b) {
uint4 c;
c.x = mul<uint32_t, uint32_t, uint32_t>(a.x, b.x);
......@@ -255,7 +259,7 @@ inline __device__ uint4 mul(uint4 a, uint4 b) {
return c;
}
template<>
template <>
inline __device__ uint4 mul(uint16_t a, uint4 b) {
uint32_t s = h0_h0(a);
uint4 c;
......@@ -266,26 +270,26 @@ inline __device__ uint4 mul(uint16_t a, uint4 b) {
return c;
}
template<>
template <>
inline __device__ float mul(uint16_t a, uint16_t b) {
float fa = half_to_float(a);
float fb = half_to_float(b);
return fa * fb;
}
template<>
template <>
inline __device__ float2 mul(uint32_t a, uint32_t b) {
float2 fa = half2_to_float2(a);
float2 fb = half2_to_float2(b);
return mul<float2, float2, float2>(fa, fb);
}
template<>
template <>
inline __device__ float2 mul(uint16_t a, uint32_t b) {
return mul<float2, uint32_t, uint32_t>(h0_h0(a), b);
}
template<>
template <>
inline __device__ Float4_ mul(uint2 a, uint2 b) {
Float4_ fc;
fc.x = mul<float2, uint32_t, uint32_t>(a.x, b.x);
......@@ -293,7 +297,7 @@ inline __device__ Float4_ mul(uint2 a, uint2 b) {
return fc;
}
template<>
template <>
inline __device__ Float4_ mul(uint16_t a, uint2 b) {
uint32_t s = h0_h0(a);
Float4_ fc;
......@@ -302,7 +306,7 @@ inline __device__ Float4_ mul(uint16_t a, uint2 b) {
return fc;
}
template<>
template <>
inline __device__ Float8_ mul(uint4 a, uint4 b) {
Float8_ fc;
fc.x = mul<float2, uint32_t, uint32_t>(a.x, b.x);
......@@ -312,7 +316,7 @@ inline __device__ Float8_ mul(uint4 a, uint4 b) {
return fc;
}
template<>
template <>
inline __device__ Float8_ mul(uint16_t a, uint4 b) {
uint32_t s = h0_h0(a);
Float8_ fc;
......@@ -327,9 +331,13 @@ inline __device__ Float8_ mul(uint16_t a, uint4 b) {
inline __device__ uint32_t fma(uint32_t a, uint32_t b, uint32_t c) {
uint32_t d;
#ifndef USE_ROCM
asm volatile("fma.rn.f16x2 %0, %1, %2, %3;\n" : "=r"(d) : "r"(a), "r"(b), "r"(c));
asm volatile("fma.rn.f16x2 %0, %1, %2, %3;\n"
: "=r"(d)
: "r"(a), "r"(b), "r"(c));
#else
asm volatile("v_pk_fma_f16 %0, %1, %2, %3;\n" : "=v"(d) : "v"(a), "v"(b), "v"(c));
asm volatile("v_pk_fma_f16 %0, %1, %2, %3;\n"
: "=v"(d)
: "v"(a), "v"(b), "v"(c));
#endif
return d;
}
......@@ -423,24 +431,24 @@ inline __device__ Float8_ fma(uint16_t a, uint4 b, Float8_ fc) {
}
// Vector sum.
template<>
template <>
inline __device__ float sum(uint16_t v) {
return half_to_float(v);
}
template<>
template <>
inline __device__ float sum(uint32_t v) {
float2 tmp = half2_to_float2(v);
return tmp.x + tmp.y;
}
template<>
template <>
inline __device__ float sum(uint2 v) {
uint32_t c = add(v.x, v.y);
return sum(c);
}
template<>
template <>
inline __device__ float sum(uint4 v) {
uint32_t c = add(v.x, v.y);
c = add(c, v.z);
......@@ -470,13 +478,9 @@ inline __device__ void from_float(uint4& dst, Float8_ src) {
}
// From float16 to float32.
inline __device__ float to_float(uint16_t u) {
return half_to_float(u);
}
inline __device__ float to_float(uint16_t u) { return half_to_float(u); }
inline __device__ float2 to_float(uint32_t u) {
return half2_to_float2(u);
}
inline __device__ float2 to_float(uint32_t u) { return half2_to_float2(u); }
inline __device__ Float4_ to_float(uint2 u) {
Float4_ tmp;
......@@ -495,8 +499,6 @@ inline __device__ Float8_ to_float(uint4 u) {
}
// Zero-out a variable.
inline __device__ void zero(uint16_t& dst) {
dst = uint16_t(0);
}
inline __device__ void zero(uint16_t& dst) { dst = uint16_t(0); }
} // namespace vllm
} // namespace vllm
/*
* Adapted from https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention/decoder_masked_multihead_attention_template.hpp
* and https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention_utils.h
* Adapted from
* https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention/decoder_masked_multihead_attention_template.hpp
* and
* https://github.com/NVIDIA/FasterTransformer/blob/release/v5.3_tag/src/fastertransformer/kernels/decoder_masked_multihead_attention_utils.h
* Copyright (c) 2023, The vLLM team.
* Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
*
......@@ -38,37 +40,35 @@ struct Float8_ {
};
// FP32 vector types for Q, K, V.
template<>
template <>
struct Vec<float, 1> {
using Type = float;
};
template<>
template <>
struct Vec<float, 2> {
using Type = float2;
};
template<>
template <>
struct Vec<float, 4> {
using Type = float4;
};
// FP32 accumulator vector types corresponding to Vec.
template<>
template <>
struct FloatVec<float> {
using Type = float;
};
template<>
template <>
struct FloatVec<float2> {
using Type = float2;
};
template<>
template <>
struct FloatVec<float4> {
using Type = float4;
};
// Vector addition.
inline __device__ float add(float a, float b) {
return a + b;
}
inline __device__ float add(float a, float b) { return a + b; }
inline __device__ float2 add(float2 a, float2 b) {
float2 c;
......@@ -87,12 +87,12 @@ inline __device__ float4 add(float4 a, float4 b) {
}
// Vector multiplication.
template<>
template <>
inline __device__ float mul<float, float>(float a, float b) {
return a * b;
}
template<>
template <>
inline __device__ float2 mul(float2 a, float2 b) {
float2 c;
c.x = a.x * b.x;
......@@ -100,7 +100,7 @@ inline __device__ float2 mul(float2 a, float2 b) {
return c;
}
template<>
template <>
inline __device__ float2 mul(float a, float2 b) {
float2 c;
c.x = a * b.x;
......@@ -108,7 +108,7 @@ inline __device__ float2 mul(float a, float2 b) {
return c;
}
template<>
template <>
inline __device__ float4 mul(float4 a, float4 b) {
float4 c;
c.x = a.x * b.x;
......@@ -118,7 +118,7 @@ inline __device__ float4 mul(float4 a, float4 b) {
return c;
}
template<>
template <>
inline __device__ float4 mul(float a, float4 b) {
float4 c;
c.x = a * b.x;
......@@ -129,9 +129,7 @@ inline __device__ float4 mul(float a, float4 b) {
}
// Vector fused multiply-add.
inline __device__ float fma(float a, float b, float c) {
return a * b + c;
}
inline __device__ float fma(float a, float b, float c) { return a * b + c; }
inline __device__ float2 fma(float2 a, float2 b, float2 c) {
float2 d;
......@@ -182,35 +180,33 @@ inline __device__ Float8_ fma(float a, Float8_ b, Float8_ c) {
}
// Vector sum.
template<>
template <>
inline __device__ float sum(float v) {
return v;
}
template<>
template <>
inline __device__ float sum(float2 v) {
return v.x + v.y;
}
template<>
template <>
inline __device__ float sum(float4 v) {
return v.x + v.y + v.z + v.w;
}
template<>
template <>
inline __device__ float sum(Float4_ v) {
return v.x.x + v.x.y + v.y.x + v.y.y;
}
template<>
template <>
inline __device__ float sum(Float8_ v) {
return v.x.x + v.x.y + v.y.x + v.y.y + v.z.x + v.z.y + v.w.x + v.w.y;
}
// Vector dot product.
inline __device__ float dot(float a, float b) {
return a * b;
}
inline __device__ float dot(float a, float b) { return a * b; }
inline __device__ float dot(float2 a, float2 b) {
float2 c = mul<float2, float2, float2>(a, b);
......@@ -232,42 +228,24 @@ inline __device__ float dot(Float8_ a, Float8_ b) {
}
// From float to float.
inline __device__ void from_float(float& dst, float src) {
dst = src;
}
inline __device__ void from_float(float& dst, float src) { dst = src; }
inline __device__ void from_float(float2& dst, float2 src) {
dst = src;
}
inline __device__ void from_float(float2& dst, float2 src) { dst = src; }
inline __device__ void from_float(float4& dst, float4 src) {
dst = src;
}
inline __device__ void from_float(float4& dst, float4 src) { dst = src; }
// From float to float.
inline __device__ float to_float(float u) {
return u;
}
inline __device__ float to_float(float u) { return u; }
inline __device__ float2 to_float(float2 u) {
return u;
}
inline __device__ float2 to_float(float2 u) { return u; }
inline __device__ float4 to_float(float4 u) {
return u;
}
inline __device__ float4 to_float(float4 u) { return u; }
inline __device__ Float4_ to_float(Float4_ u) {
return u;
}
inline __device__ Float4_ to_float(Float4_ u) { return u; }
inline __device__ Float8_ to_float(Float8_ u) {
return u;
}
inline __device__ Float8_ to_float(Float8_ u) { return u; }
// Zero-out a variable.
inline __device__ void zero(float& dst) {
dst = 0.f;
}
inline __device__ void zero(float& dst) { dst = 0.f; }
} // namespace vllm
} // namespace vllm
......@@ -4,38 +4,38 @@
#include <stdint.h>
#ifdef ENABLE_FP8
#ifndef USE_ROCM
#include <cuda_fp8.h>
#endif // USE_ROCM
#endif // ENABLE_FP8
#ifndef USE_ROCM
#include <cuda_fp8.h>
#endif // USE_ROCM
#endif // ENABLE_FP8
namespace vllm {
enum class Fp8KVCacheDataType {
kAuto = 0,
kFp8E4M3 = 1,
kFp8E5M2 = 2,
kAuto = 0,
kFp8E4M3 = 1,
kFp8E5M2 = 2,
};
// fp8 vector types for quantization of kv cache
template<>
template <>
struct Vec<uint8_t, 1> {
using Type = uint8_t;
using Type = uint8_t;
};
template<>
template <>
struct Vec<uint8_t, 2> {
using Type = uint16_t;
using Type = uint16_t;
};
template<>
template <>
struct Vec<uint8_t, 4> {
using Type = uint32_t;
using Type = uint32_t;
};
template<>
template <>
struct Vec<uint8_t, 8> {
using Type = uint2;
using Type = uint2;
};
} // namespace vllm
} // namespace vllm
......@@ -5,36 +5,24 @@
#include <map>
#include <vector>
void swap_blocks(
torch::Tensor& src,
torch::Tensor& dst,
const torch::Tensor& block_mapping);
void swap_blocks(torch::Tensor& src, torch::Tensor& dst,
const torch::Tensor& block_mapping);
void copy_blocks(
std::vector<torch::Tensor>& key_caches,
std::vector<torch::Tensor>& value_caches,
const torch::Tensor& block_mapping);
void copy_blocks(std::vector<torch::Tensor>& key_caches,
std::vector<torch::Tensor>& value_caches,
const torch::Tensor& block_mapping);
void reshape_and_cache(
torch::Tensor& key,
torch::Tensor& value,
torch::Tensor& key_cache,
torch::Tensor& value_cache,
torch::Tensor& slot_mapping,
const std::string& kv_cache_dtype,
const float kv_scale);
void reshape_and_cache(torch::Tensor& key, torch::Tensor& value,
torch::Tensor& key_cache, torch::Tensor& value_cache,
torch::Tensor& slot_mapping,
const std::string& kv_cache_dtype, const float kv_scale);
void reshape_and_cache_flash(
torch::Tensor& key,
torch::Tensor& value,
torch::Tensor& key_cache,
torch::Tensor& value_cache,
torch::Tensor& slot_mapping,
const std::string& kv_cache_dtype);
void reshape_and_cache_flash(torch::Tensor& key, torch::Tensor& value,
torch::Tensor& key_cache,
torch::Tensor& value_cache,
torch::Tensor& slot_mapping,
const std::string& kv_cache_dtype);
// Just for unittest
void convert_fp8(
torch::Tensor& dst_cache,
torch::Tensor& src_cache,
const float scale,
const std::string& kv_cache_dtype);
void convert_fp8(torch::Tensor& dst_cache, torch::Tensor& src_cache,
const float scale, const std::string& kv_cache_dtype);
This diff is collapsed.
#include "cpu_types.hpp"
namespace {
template <typename scalar_t, vec_op::FP32Vec8 (*func)(const vec_op::FP32Vec8 &),
template <typename scalar_t, vec_op::FP32Vec8 (*func)(const vec_op::FP32Vec8&),
bool is_gated>
void activation_kernel(int num_tokens, int d, scalar_t *__restrict__ input,
scalar_t *__restrict__ output) {
void activation_kernel(int num_tokens, int d, scalar_t* __restrict__ input,
scalar_t* __restrict__ output) {
using scalar_vec_t = vec_op::vec_t<scalar_t>;
constexpr int VEC_ELEM_NUM = scalar_vec_t::get_elem_num();
......@@ -34,13 +34,13 @@ void activation_kernel(int num_tokens, int d, scalar_t *__restrict__ input,
}
}
FORCE_INLINE vec_op::FP32Vec8 silu_act(const vec_op::FP32Vec8 &x) {
FORCE_INLINE vec_op::FP32Vec8 silu_act(const vec_op::FP32Vec8& x) {
const vec_op::FP32Vec8 zeros(0.0);
const vec_op::FP32Vec8 ones(1.0);
return x / (ones + (zeros - x).exp());
}
FORCE_INLINE vec_op::FP32Vec8 gelu_new_act(const vec_op::FP32Vec8 &x) {
FORCE_INLINE vec_op::FP32Vec8 gelu_new_act(const vec_op::FP32Vec8& x) {
const vec_op::FP32Vec8 ones(1.0);
const vec_op::FP32Vec8 w1(0.79788456f);
const vec_op::FP32Vec8 w2(0.044715f);
......@@ -50,7 +50,7 @@ FORCE_INLINE vec_op::FP32Vec8 gelu_new_act(const vec_op::FP32Vec8 &x) {
return w3 * x * (ones + t);
}
FORCE_INLINE vec_op::FP32Vec8 gelu_fast_act(const vec_op::FP32Vec8 &x) {
FORCE_INLINE vec_op::FP32Vec8 gelu_fast_act(const vec_op::FP32Vec8& x) {
const vec_op::FP32Vec8 ones(1.0);
const vec_op::FP32Vec8 w1(0.79788456f);
const vec_op::FP32Vec8 w2(0.044715f);
......@@ -59,14 +59,14 @@ FORCE_INLINE vec_op::FP32Vec8 gelu_fast_act(const vec_op::FP32Vec8 &x) {
return w3 * x * (ones + t);
}
FORCE_INLINE vec_op::FP32Vec8 gelu_act(const vec_op::FP32Vec8 &x) {
FORCE_INLINE vec_op::FP32Vec8 gelu_act(const vec_op::FP32Vec8& x) {
const vec_op::FP32Vec8 ones(1.0);
const vec_op::FP32Vec8 w1(M_SQRT1_2);
const vec_op::FP32Vec8 w2(0.5);
return x * w2 * (ones + (x * w1).er());
}
FORCE_INLINE vec_op::FP32Vec8 gelu_tanh_act(const vec_op::FP32Vec8 &x) {
FORCE_INLINE vec_op::FP32Vec8 gelu_tanh_act(const vec_op::FP32Vec8& x) {
const vec_op::FP32Vec8 ones(1.0);
const vec_op::FP32Vec8 w1(M_SQRT2 * M_2_SQRTPI * 0.5);
const vec_op::FP32Vec8 w2(0.5);
......@@ -75,40 +75,36 @@ FORCE_INLINE vec_op::FP32Vec8 gelu_tanh_act(const vec_op::FP32Vec8 &x) {
const vec_op::FP32Vec8 inner = w1 * (x + x_3 * w3);
return x * w2 * (ones + inner.tanh());
}
}; // namespace
}; // namespace
void silu_and_mul(torch::Tensor &out, torch::Tensor &input) {
void silu_and_mul(torch::Tensor& out, torch::Tensor& input) {
int num_tokens = input.numel() / input.size(-1);
int d = input.size(-1) / 2;
VLLM_DISPATCH_FLOATING_TYPES(
input.scalar_type(), "silu_and_mul_impl", [&] {
CPU_KERNEL_GUARD_IN(silu_and_mul_impl)
activation_kernel<scalar_t, silu_act, true>(num_tokens, d,
input.data_ptr<scalar_t>(),
out.data_ptr<scalar_t>());
CPU_KERNEL_GUARD_OUT(silu_and_mul_impl)
});
VLLM_DISPATCH_FLOATING_TYPES(input.scalar_type(), "silu_and_mul_impl", [&] {
CPU_KERNEL_GUARD_IN(silu_and_mul_impl)
activation_kernel<scalar_t, silu_act, true>(
num_tokens, d, input.data_ptr<scalar_t>(), out.data_ptr<scalar_t>());
CPU_KERNEL_GUARD_OUT(silu_and_mul_impl)
});
}
void gelu_and_mul(torch::Tensor &out, // [..., d]
torch::Tensor &input) // [..., 2 * d]
void gelu_and_mul(torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., 2 * d]
{
int num_tokens = input.numel() / input.size(-1);
int d = input.size(-1) / 2;
VLLM_DISPATCH_FLOATING_TYPES(
input.scalar_type(), "gelu_and_mul_impl", [&] {
CPU_KERNEL_GUARD_IN(gelu_and_mul_impl)
activation_kernel<scalar_t, gelu_act, true>(num_tokens, d,
input.data_ptr<scalar_t>(),
out.data_ptr<scalar_t>());
CPU_KERNEL_GUARD_OUT(gelu_and_mul_impl)
});
VLLM_DISPATCH_FLOATING_TYPES(input.scalar_type(), "gelu_and_mul_impl", [&] {
CPU_KERNEL_GUARD_IN(gelu_and_mul_impl)
activation_kernel<scalar_t, gelu_act, true>(
num_tokens, d, input.data_ptr<scalar_t>(), out.data_ptr<scalar_t>());
CPU_KERNEL_GUARD_OUT(gelu_and_mul_impl)
});
}
void gelu_tanh_and_mul(torch::Tensor &out, // [..., d]
torch::Tensor &input) // [..., 2 * d]
void gelu_tanh_and_mul(torch::Tensor& out, // [..., d]
torch::Tensor& input) // [..., 2 * d]
{
int num_tokens = input.numel() / input.size(-1);
int d = input.size(-1) / 2;
......@@ -123,7 +119,7 @@ void gelu_tanh_and_mul(torch::Tensor &out, // [..., d]
});
}
void gelu_new(torch::Tensor &out, torch::Tensor &input) {
void gelu_new(torch::Tensor& out, torch::Tensor& input) {
int num_tokens = input.numel() / input.size(-1);
int d = input.size(-1);
......@@ -135,7 +131,7 @@ void gelu_new(torch::Tensor &out, torch::Tensor &input) {
});
}
void gelu_fast(torch::Tensor &out, torch::Tensor &input) {
void gelu_fast(torch::Tensor& out, torch::Tensor& input) {
int num_tokens = input.numel() / input.size(-1);
int d = input.size(-1);
......
This diff is collapsed.
......@@ -5,25 +5,26 @@
namespace {
template <typename scalar_t>
void copy_blocks_cpu_impl(
std::vector<torch::Tensor> &key_caches,
std::vector<torch::Tensor> &value_caches,
const torch::Tensor& mapping_pairs,
const int element_num_per_block, const int layer_num) {
void copy_blocks_cpu_impl(std::vector<torch::Tensor>& key_caches,
std::vector<torch::Tensor>& value_caches,
const torch::Tensor& mapping_pairs,
const int element_num_per_block,
const int layer_num) {
const size_t pair_num = mapping_pairs.size(0);
const size_t block_bytes = sizeof(scalar_t) * element_num_per_block;
#pragma omp parallel for collapse(2)
for (int layer = 0; layer < layer_num; ++layer) {
for (size_t pair = 0; pair < pair_num; ++pair) {
int64_t source_offset = element_num_per_block * mapping_pairs[pair][0].item<int64_t>();
int64_t source_offset =
element_num_per_block * mapping_pairs[pair][0].item<int64_t>();
int64_t target_offset =
element_num_per_block * mapping_pairs[pair][1].item<int64_t>();
scalar_t *key_cache_ptr = key_caches[layer].data_ptr<scalar_t>();
scalar_t *source_ptr = key_cache_ptr + source_offset;
scalar_t *target_ptr = key_cache_ptr + target_offset;
scalar_t* key_cache_ptr = key_caches[layer].data_ptr<scalar_t>();
scalar_t* source_ptr = key_cache_ptr + source_offset;
scalar_t* target_ptr = key_cache_ptr + target_offset;
std::memcpy(target_ptr, source_ptr, block_bytes);
scalar_t *value_cache_ptr = value_caches[layer].data_ptr<scalar_t>();
scalar_t* value_cache_ptr = value_caches[layer].data_ptr<scalar_t>();
source_ptr = value_cache_ptr + source_offset;
target_ptr = value_cache_ptr + target_offset;
std::memcpy(target_ptr, source_ptr, block_bytes);
......@@ -33,9 +34,9 @@ void copy_blocks_cpu_impl(
template <typename scalar_t>
void reshape_and_cache_cpu_impl(
const scalar_t *__restrict__ key, const scalar_t *__restrict__ value,
scalar_t *__restrict__ key_cache, scalar_t *__restrict__ value_cache,
const int64_t *__restrict__ slot_mapping, const int num_tokens,
const scalar_t* __restrict__ key, const scalar_t* __restrict__ value,
scalar_t* __restrict__ key_cache, scalar_t* __restrict__ value_cache,
const int64_t* __restrict__ slot_mapping, const int num_tokens,
const int key_stride, const int value_stride, const int num_heads,
const int head_size, const int block_size, const int x) {
const int block_elem_num = num_heads * head_size * block_size;
......@@ -48,14 +49,14 @@ void reshape_and_cache_cpu_impl(
int src_key_head_idx = token_idx * key_stride + head_idx * head_size;
int src_value_head_idx =
token_idx * value_stride + head_idx * head_size;
const scalar_t *src_key_head_ptr = key + src_key_head_idx;
const scalar_t *src_value_head_ptr = value + src_value_head_idx;
const scalar_t* src_key_head_ptr = key + src_key_head_idx;
const scalar_t* src_value_head_ptr = value + src_value_head_idx;
const int64_t block_index = slot_idx / block_size;
const int64_t block_offset = slot_idx % block_size;
scalar_t *target_key_head_ptr = key_cache +
scalar_t* target_key_head_ptr = key_cache +
block_elem_num * block_index +
head_idx * block_size * head_size;
scalar_t *target_value_head_ptr = value_cache +
scalar_t* target_value_head_ptr = value_cache +
block_elem_num * block_index +
head_idx * block_size * head_size;
......@@ -79,10 +80,10 @@ void reshape_and_cache_cpu_impl(
}
}
}
}; // namespace
}; // namespace
void copy_blocks(std::vector<torch::Tensor> &key_caches,
std::vector<torch::Tensor> &value_caches,
void copy_blocks(std::vector<torch::Tensor>& key_caches,
std::vector<torch::Tensor>& value_caches,
const torch::Tensor& block_mapping) {
unsigned num_layers = key_caches.size();
TORCH_CHECK(num_layers == value_caches.size());
......@@ -100,10 +101,10 @@ void copy_blocks(std::vector<torch::Tensor> &key_caches,
});
}
void reshape_and_cache(torch::Tensor &key, torch::Tensor &value,
torch::Tensor &key_cache, torch::Tensor &value_cache,
torch::Tensor &slot_mapping,
const std::string &kv_cache_dtype, float kv_scale) {
void reshape_and_cache(torch::Tensor& key, torch::Tensor& value,
torch::Tensor& key_cache, torch::Tensor& value_cache,
torch::Tensor& slot_mapping,
const std::string& kv_cache_dtype, float kv_scale) {
TORCH_CHECK(kv_scale == 1.0f);
int num_tokens = key.size(0);
......@@ -127,7 +128,7 @@ void reshape_and_cache(torch::Tensor &key, torch::Tensor &value,
});
}
void swap_blocks(torch::Tensor &src, torch::Tensor &dst,
const torch::Tensor&block_mapping) {
void swap_blocks(torch::Tensor& src, torch::Tensor& dst,
const torch::Tensor& block_mapping) {
TORCH_CHECK(false, "swap_blocks is unsupported on CPU.")
}
......@@ -2,10 +2,10 @@
namespace {
template <typename scalar_t>
void rms_norm_impl(scalar_t *__restrict__ out,
const scalar_t *__restrict__ input,
const scalar_t *__restrict__ weight, const float epsilon,
const int num_tokens, const int hidden_size) {
void rms_norm_impl(scalar_t* __restrict__ out,
const scalar_t* __restrict__ input,
const scalar_t* __restrict__ weight, const float epsilon,
const int num_tokens, const int hidden_size) {
using scalar_vec_t = vec_op::vec_t<scalar_t>;
constexpr int VEC_ELEM_NUM = scalar_vec_t::get_elem_num();
TORCH_CHECK(hidden_size % VEC_ELEM_NUM == 0);
......@@ -41,11 +41,11 @@ void rms_norm_impl(scalar_t *__restrict__ out,
}
template <typename scalar_t>
void fused_add_rms_norm_impl(scalar_t *__restrict__ input,
scalar_t *__restrict__ residual,
const scalar_t *__restrict__ weight,
const float epsilon, const int num_tokens,
const int hidden_size) {
void fused_add_rms_norm_impl(scalar_t* __restrict__ input,
scalar_t* __restrict__ residual,
const scalar_t* __restrict__ weight,
const float epsilon, const int num_tokens,
const int hidden_size) {
using scalar_vec_t = vec_op::vec_t<scalar_t>;
constexpr int VEC_ELEM_NUM = scalar_vec_t::get_elem_num();
TORCH_CHECK(hidden_size % VEC_ELEM_NUM == 0);
......@@ -85,24 +85,24 @@ void fused_add_rms_norm_impl(scalar_t *__restrict__ input,
}
}
}
} // namespace
} // namespace
void rms_norm(torch::Tensor &out, torch::Tensor &input,
torch::Tensor &weight, float epsilon) {
void rms_norm(torch::Tensor& out, torch::Tensor& input, torch::Tensor& weight,
float epsilon) {
int hidden_size = input.size(-1);
int num_tokens = input.numel() / hidden_size;
VLLM_DISPATCH_FLOATING_TYPES(input.scalar_type(), "rms_norm_impl", [&] {
CPU_KERNEL_GUARD_IN(rms_norm_impl)
rms_norm_impl(out.data_ptr<scalar_t>(), input.data_ptr<scalar_t>(),
weight.data_ptr<scalar_t>(), epsilon, num_tokens,
hidden_size);
weight.data_ptr<scalar_t>(), epsilon, num_tokens,
hidden_size);
CPU_KERNEL_GUARD_OUT(rms_norm_impl)
});
}
void fused_add_rms_norm(torch::Tensor &input, torch::Tensor &residual,
torch::Tensor &weight, float epsilon) {
void fused_add_rms_norm(torch::Tensor& input, torch::Tensor& residual,
torch::Tensor& weight, float epsilon) {
int hidden_size = input.size(-1);
int num_tokens = input.numel() / hidden_size;
......
......@@ -4,16 +4,16 @@
namespace {
template <typename scalar_t>
void rotary_embedding_impl(
const int64_t
*__restrict__ positions, // [batch_size, seq_len] or [num_tokens]
scalar_t
*__restrict__ query, /// [batch_size, seq_len, num_heads, head_size] or
/// [num_tokens, num_heads, head_size]
scalar_t
*__restrict__ key, // [batch_size, seq_len, num_kv_heads, head_size] or
// [num_tokens, num_kv_heads, head_size]
const scalar_t
*__restrict__ cos_sin_cache, // [max_position, 2, rot_dim // 2]
const int64_t* __restrict__ positions, // [batch_size, seq_len] or
// [num_tokens]
scalar_t* __restrict__ query, /// [batch_size, seq_len, num_heads,
/// head_size] or [num_tokens, num_heads,
/// head_size]
scalar_t* __restrict__ key, // [batch_size, seq_len, num_kv_heads,
// head_size] or [num_tokens, num_kv_heads,
// head_size]
const scalar_t* __restrict__ cos_sin_cache, // [max_position, 2, rot_dim //
// 2]
const int rot_dim, const int64_t query_stride, const int64_t key_stride,
const int num_heads, const int num_kv_heads, const int head_size,
const int num_tokens) {
......@@ -26,7 +26,7 @@ void rotary_embedding_impl(
#pragma omp parallel for
for (int token_idx = 0; token_idx < num_tokens; ++token_idx) {
int64_t pos = positions[token_idx];
const scalar_t *cache_ptr = cos_sin_cache + pos * rot_dim;
const scalar_t* cache_ptr = cos_sin_cache + pos * rot_dim;
for (int i = 0; i < num_heads; ++i) {
const int head_idx = i;
......@@ -94,16 +94,16 @@ void rotary_embedding_impl(
template <typename scalar_t>
void rotary_embedding_gptj_impl(
const int64_t
*__restrict__ positions, // [batch_size, seq_len] or [num_tokens]
scalar_t
*__restrict__ query, /// [batch_size, seq_len, num_heads, head_size] or
/// [num_tokens, num_heads, head_size]
scalar_t
*__restrict__ key, // [batch_size, seq_len, num_kv_heads, head_size] or
// [num_tokens, num_kv_heads, head_size]
const scalar_t
*__restrict__ cos_sin_cache, // [max_position, 2, rot_dim // 2]
const int64_t* __restrict__ positions, // [batch_size, seq_len] or
// [num_tokens]
scalar_t* __restrict__ query, /// [batch_size, seq_len, num_heads,
/// head_size] or [num_tokens, num_heads,
/// head_size]
scalar_t* __restrict__ key, // [batch_size, seq_len, num_kv_heads,
// head_size] or [num_tokens, num_kv_heads,
// head_size]
const scalar_t* __restrict__ cos_sin_cache, // [max_position, 2, rot_dim //
// 2]
const int rot_dim, const int64_t query_stride, const int64_t key_stride,
const int num_heads, const int num_kv_heads, const int head_size,
const int num_tokens) {
......@@ -113,13 +113,13 @@ void rotary_embedding_gptj_impl(
for (int token_idx = 0; token_idx < num_tokens; ++token_idx) {
for (int i = 0; i < num_heads; ++i) {
int64_t pos = positions[token_idx];
const scalar_t *cache_ptr = cos_sin_cache + pos * rot_dim;
const scalar_t *cos_cache_ptr = cache_ptr;
const scalar_t *sin_cache_ptr = cache_ptr + embed_dim;
const scalar_t* cache_ptr = cos_sin_cache + pos * rot_dim;
const scalar_t* cos_cache_ptr = cache_ptr;
const scalar_t* sin_cache_ptr = cache_ptr + embed_dim;
const int head_idx = i;
const int64_t token_head =
token_idx * query_stride + head_idx * head_size;
scalar_t *head_query = token_head + query;
scalar_t* head_query = token_head + query;
for (int j = 0; j < embed_dim; j += 1) {
const int rot_offset = j;
const int x_index = 2 * rot_offset;
......@@ -141,12 +141,12 @@ void rotary_embedding_gptj_impl(
for (int token_idx = 0; token_idx < num_tokens; ++token_idx) {
for (int i = 0; i < num_kv_heads; ++i) {
int64_t pos = positions[token_idx];
const scalar_t *cache_ptr = cos_sin_cache + pos * rot_dim;
const scalar_t *cos_cache_ptr = cache_ptr;
const scalar_t *sin_cache_ptr = cache_ptr + embed_dim;
const scalar_t* cache_ptr = cos_sin_cache + pos * rot_dim;
const scalar_t* cos_cache_ptr = cache_ptr;
const scalar_t* sin_cache_ptr = cache_ptr + embed_dim;
const int head_idx = i;
const int64_t token_head = token_idx * key_stride + head_idx * head_size;
scalar_t *head_key = key + token_head;
scalar_t* head_key = key + token_head;
for (int j = 0; j < embed_dim; j += 1) {
const int rot_offset = j;
const int x_index = 2 * rot_offset;
......@@ -164,11 +164,11 @@ void rotary_embedding_gptj_impl(
}
}
}
}; // namespace
}; // namespace
void rotary_embedding(torch::Tensor &positions, torch::Tensor &query,
torch::Tensor &key, int head_size,
torch::Tensor &cos_sin_cache, bool is_neox) {
void rotary_embedding(torch::Tensor& positions, torch::Tensor& query,
torch::Tensor& key, int head_size,
torch::Tensor& cos_sin_cache, bool is_neox) {
int num_tokens = query.numel() / query.size(-1);
int rot_dim = cos_sin_cache.size(1);
int num_heads = query.size(-1) / head_size;
......
......@@ -8,66 +8,37 @@ PYBIND11_MODULE(TORCH_EXTENSION_NAME, m) {
pybind11::module ops = m.def_submodule("ops", "vLLM custom operators");
// Attention ops
ops.def(
"paged_attention_v1",
&paged_attention_v1,
"Compute the attention between an input query and the cached keys/values using PagedAttention.");
ops.def(
"paged_attention_v2",
&paged_attention_v2,
"PagedAttention V2.");
ops.def("paged_attention_v1", &paged_attention_v1,
"Compute the attention between an input query and the cached "
"keys/values using PagedAttention.");
ops.def("paged_attention_v2", &paged_attention_v2, "PagedAttention V2.");
// Activation ops
ops.def(
"silu_and_mul",
&silu_and_mul,
"Activation function used in SwiGLU.");
ops.def(
"gelu_and_mul",
&gelu_and_mul,
"Activation function used in GeGLU with `none` approximation.");
ops.def(
"gelu_tanh_and_mul",
&gelu_tanh_and_mul,
"Activation function used in GeGLU with `tanh` approximation.");
ops.def(
"gelu_new",
&gelu_new,
"GELU implementation used in GPT-2.");
ops.def(
"gelu_fast",
&gelu_fast,
"Approximate GELU implementation.");
ops.def("silu_and_mul", &silu_and_mul, "Activation function used in SwiGLU.");
ops.def("gelu_and_mul", &gelu_and_mul,
"Activation function used in GeGLU with `none` approximation.");
ops.def("gelu_tanh_and_mul", &gelu_tanh_and_mul,
"Activation function used in GeGLU with `tanh` approximation.");
ops.def("gelu_new", &gelu_new, "GELU implementation used in GPT-2.");
ops.def("gelu_fast", &gelu_fast, "Approximate GELU implementation.");
// Layernorm
ops.def(
"rms_norm",
&rms_norm,
"Apply Root Mean Square (RMS) Normalization to the input tensor.");
ops.def("rms_norm", &rms_norm,
"Apply Root Mean Square (RMS) Normalization to the input tensor.");
ops.def(
"fused_add_rms_norm",
&fused_add_rms_norm,
"In-place fused Add and RMS Normalization");
ops.def("fused_add_rms_norm", &fused_add_rms_norm,
"In-place fused Add and RMS Normalization");
// Rotary embedding
ops.def(
"rotary_embedding",
&rotary_embedding,
"Apply GPT-NeoX or GPT-J style rotary embedding to query and key");
ops.def("rotary_embedding", &rotary_embedding,
"Apply GPT-NeoX or GPT-J style rotary embedding to query and key");
// Cache ops
pybind11::module cache_ops = m.def_submodule("cache_ops", "vLLM cache ops");
cache_ops.def(
"swap_blocks",
&swap_blocks,
"Swap in (out) the cache blocks from src to dst");
cache_ops.def(
"copy_blocks",
&copy_blocks,
"Copy the cache blocks from src to dst");
cache_ops.def(
"reshape_and_cache",
&reshape_and_cache,
"Reshape the key and value tensors and cache them");
cache_ops.def("swap_blocks", &swap_blocks,
"Swap in (out) the cache blocks from src to dst");
cache_ops.def("copy_blocks", &copy_blocks,
"Copy the cache blocks from src to dst");
cache_ops.def("reshape_and_cache", &reshape_and_cache,
"Reshape the key and value tensors and cache them");
}
#pragma once
#ifdef USE_ROCM
#include <hip/hip_runtime.h>
#include <hip/hip_runtime.h>
#endif
#ifndef USE_ROCM
......@@ -17,7 +17,8 @@
#endif
#ifndef USE_ROCM
#define VLLM_SHFL_XOR_SYNC(var, lane_mask) __shfl_xor_sync(uint32_t(-1), var, lane_mask)
#define VLLM_SHFL_XOR_SYNC(var, lane_mask) \
__shfl_xor_sync(uint32_t(-1), var, lane_mask)
#else
#define VLLM_SHFL_XOR_SYNC(var, lane_mask) __shfl_xor(var, lane_mask)
#endif
......@@ -29,7 +30,8 @@
#endif
#ifndef USE_ROCM
#define VLLM_SHFL_DOWN_SYNC(var, lane_delta) __shfl_down_sync(uint32_t(-1), var, lane_delta)
#define VLLM_SHFL_DOWN_SYNC(var, lane_delta) \
__shfl_down_sync(uint32_t(-1), var, lane_delta)
#else
#define VLLM_SHFL_DOWN_SYNC(var, lane_delta) __shfl_down(var, lane_delta)
#endif
......@@ -41,4 +43,3 @@
#define VLLM_DevFuncAttribute_SET_MaxDynamicSharedMemorySize(FUNC, VAL) \
hipFuncSetAttribute(FUNC, hipFuncAttributeMaxDynamicSharedMemorySize, VAL)
#endif
......@@ -2,9 +2,6 @@
#include <torch/extension.h>
int get_device_attribute(
int attribute,
int device_id);
int get_device_attribute(int attribute, int device_id);
int get_max_shared_memory_per_block_device_attribute(
int device_id);
int get_max_shared_memory_per_block_device_attribute(int device_id);
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