Unverified Commit f68eddfb authored by ver217's avatar ver217 Committed by GitHub
Browse files

refactor kernel (#142)

parent 4a3d3446
...@@ -90,8 +90,7 @@ class FusedSGD(Optimizer): ...@@ -90,8 +90,7 @@ class FusedSGD(Optimizer):
[0], dtype=torch.int, device=self.param_groups[0]["params"][0].device) [0], dtype=torch.int, device=self.param_groups[0]["params"][0].device)
self.multi_tensor_sgd = colossal_C.multi_tensor_sgd self.multi_tensor_sgd = colossal_C.multi_tensor_sgd
else: else:
raise RuntimeError( raise RuntimeError('FusedSGD requires cuda extensions')
'apex.optimizers.FusedSGD requires cuda extensions')
def __setstate__(self, state): def __setstate__(self, state):
super(FusedSGD, self).__setstate__(state) super(FusedSGD, self).__setstate__(state)
......
// modified from https://github.com/NVIDIA/apex/blob/master/csrc/compat.h
#ifndef TORCH_CHECK
#define TORCH_CHECK AT_CHECK
#endif
#ifdef VERSION_GE_1_3
#define DATA_PTR data_ptr
#else
#define DATA_PTR data
#endif
\ No newline at end of file
// modified from https://github.com/NVIDIA/apex/blob/master/csrc/type_shim.h
#include <ATen/ATen.h>
#include "compat.h"
// Forward/backward compatiblity hack around
// https://github.com/pytorch/pytorch/commit/3aeb78079bcd68282fe9117088e138b77318e288
// pending more future-proof guidance from upstream.
// struct TypeShim
// {
// const at::Type& payload;
// TypeShim(const at::Type& type) : payload(type) {}
// // Enable trivial conversion to a const at::Type& for pre-3aeb78
// operator const at::Type&(){ return payload; };
// // Enable dispatch switch statements to take *this directly for post-3aeb78
// //operator at::ScalarType(){ return payload.; };
// };
#define DISPATCH_FLOAT_AND_HALF(TYPE, LEVEL, NAME, ...) \
switch (TYPE) \
{ \
case at::ScalarType::Float: \
{ \
using scalar_t_##LEVEL = float; \
__VA_ARGS__; \
break; \
} \
case at::ScalarType::Half: \
{ \
using scalar_t_##LEVEL = at::Half; \
__VA_ARGS__; \
break; \
} \
default: \
AT_ERROR(#NAME, " not implemented for '", toString(TYPE), "'"); \
}
#define DISPATCH_FLOAT_HALF_AND_BYTE(TYPE, LEVEL, NAME, ...) \
switch (TYPE) \
{ \
case at::ScalarType::Float: \
{ \
using scalar_t_##LEVEL = float; \
__VA_ARGS__; \
break; \
} \
case at::ScalarType::Half: \
{ \
using scalar_t_##LEVEL = at::Half; \
__VA_ARGS__; \
break; \
} \
case at::ScalarType::Byte: \
{ \
using scalar_t_##LEVEL = uint8_t; \
__VA_ARGS__; \
break; \
} \
default: \
AT_ERROR(#NAME, " not implemented for '", toString(TYPE), "'"); \
}
#define DISPATCH_DOUBLE_FLOAT_AND_HALF(TYPE, LEVEL, NAME, ...) \
switch (TYPE) \
{ \
case at::ScalarType::Double: \
{ \
using scalar_t_##LEVEL = double; \
__VA_ARGS__; \
break; \
} \
case at::ScalarType::Float: \
{ \
using scalar_t_##LEVEL = float; \
__VA_ARGS__; \
break; \
} \
case at::ScalarType::Half: \
{ \
using scalar_t_##LEVEL = at::Half; \
__VA_ARGS__; \
break; \
} \
default: \
AT_ERROR(#NAME, " not implemented for '", toString(TYPE), "'"); \
}
#define DISPATCH_DOUBLE_AND_FLOAT(TYPE, LEVEL, NAME, ...) \
switch (TYPE) \
{ \
case at::ScalarType::Double: \
{ \
using scalar_t_##LEVEL = double; \
__VA_ARGS__; \
break; \
} \
case at::ScalarType::Float: \
{ \
using scalar_t_##LEVEL = float; \
__VA_ARGS__; \
break; \
} \
default: \
AT_ERROR(#NAME, " not implemented for '", toString(TYPE), "'"); \
}
template <typename T>
__device__ __forceinline__ T reduce_block_into_lanes(T *x,
T val,
int lanes = 1,
bool share_result = false) // lanes is intended to be <= 32.
{
int tid = threadIdx.x + threadIdx.y * blockDim.x;
int blockSize = blockDim.x * blockDim.y; // blockSize is intended to be a multiple of 32.
if (blockSize >= 64)
{
x[tid] = val;
__syncthreads();
}
#pragma unroll
for (int i = (blockSize >> 1); i >= 64; i >>= 1)
{
if (tid < i)
x[tid] = x[tid] + x[tid + i];
__syncthreads();
}
T final;
if (tid < 32)
{
if (blockSize >= 64)
final = x[tid] + x[tid + 32];
else
final = val;
// __SYNCWARP();
#pragma unroll
for (int i = 16; i >= lanes; i >>= 1)
final = final + __shfl_down_sync(0xffffffff, final, i);
}
if (share_result)
{
if (tid < lanes)
x[tid] = final; // EpilogueOp
// Make sure the smem result is visible to all warps.
__syncthreads();
}
return final;
}
template <typename T>
__device__ __forceinline__ T reduce_block_into_lanes_max_op(T *x,
T val,
int lanes = 1,
bool share_result = false) // lanes is intended to be <= 32.
{
int tid = threadIdx.x + threadIdx.y * blockDim.x;
int blockSize = blockDim.x * blockDim.y; // blockSize is intended to be a multiple of 32.
if (blockSize >= 64)
{
x[tid] = val;
__syncthreads();
}
#pragma unroll
for (int i = (blockSize >> 1); i >= 64; i >>= 1)
{
if (tid < i)
x[tid] = fmaxf(fabsf(x[tid]), fabsf(x[tid + i]));
__syncthreads();
}
T final;
if (tid < 32)
{
if (blockSize >= 64)
final = fmaxf(fabsf(x[tid]), fabsf(x[tid + 32]));
else
final = val;
// __SYNCWARP();
#pragma unroll
for (int i = 16; i >= lanes; i >>= 1)
final = fmaxf(fabsf(final), fabsf(__shfl_down_sync(0xffffffff, final, i)));
}
if (share_result)
{
if (tid < lanes)
x[tid] = final; // EpilogueOp
// Make sure the smem result is visible to all warps.
__syncthreads();
}
return final;
}
\ No newline at end of file
...@@ -11,8 +11,7 @@ this_dir = os.path.dirname(os.path.abspath(__file__)) ...@@ -11,8 +11,7 @@ this_dir = os.path.dirname(os.path.abspath(__file__))
def get_cuda_bare_metal_version(cuda_dir): def get_cuda_bare_metal_version(cuda_dir):
raw_output = subprocess.check_output( raw_output = subprocess.check_output([cuda_dir + "/bin/nvcc", "-V"], universal_newlines=True)
[cuda_dir + "/bin/nvcc", "-V"], universal_newlines=True)
output = raw_output.split() output = raw_output.split()
release_idx = output.index("release") + 1 release_idx = output.index("release") + 1
release = output[release_idx].split(".") release = output[release_idx].split(".")
...@@ -23,8 +22,7 @@ def get_cuda_bare_metal_version(cuda_dir): ...@@ -23,8 +22,7 @@ def get_cuda_bare_metal_version(cuda_dir):
def check_cuda_torch_binary_vs_bare_metal(cuda_dir): def check_cuda_torch_binary_vs_bare_metal(cuda_dir):
raw_output, bare_metal_major, bare_metal_minor = get_cuda_bare_metal_version( raw_output, bare_metal_major, bare_metal_minor = get_cuda_bare_metal_version(cuda_dir)
cuda_dir)
torch_binary_major = torch.version.cuda.split(".")[0] torch_binary_major = torch.version.cuda.split(".")[0]
torch_binary_minor = torch.version.cuda.split(".")[1] torch_binary_minor = torch.version.cuda.split(".")[1]
...@@ -40,6 +38,13 @@ def check_cuda_torch_binary_vs_bare_metal(cuda_dir): ...@@ -40,6 +38,13 @@ def check_cuda_torch_binary_vs_bare_metal(cuda_dir):
"You can try commenting out this check (at your own risk).") "You can try commenting out this check (at your own risk).")
def append_nvcc_threads(nvcc_extra_args):
_, bare_metal_major, bare_metal_minor = get_cuda_bare_metal_version(CUDA_HOME)
if int(bare_metal_major) >= 11 and int(bare_metal_minor) >= 2:
return nvcc_extra_args + ["--threads", "4"]
return nvcc_extra_args
def fetch_requirements(path): def fetch_requirements(path):
with open(path, 'r') as fd: with open(path, 'r') as fd:
return [r.strip() for r in fd.readlines()] return [r.strip() for r in fd.readlines()]
...@@ -67,8 +72,8 @@ print("\n\ntorch.__version__ = {}\n\n".format(torch.__version__)) ...@@ -67,8 +72,8 @@ print("\n\ntorch.__version__ = {}\n\n".format(torch.__version__))
TORCH_MAJOR = int(torch.__version__.split('.')[0]) TORCH_MAJOR = int(torch.__version__.split('.')[0])
TORCH_MINOR = int(torch.__version__.split('.')[1]) TORCH_MINOR = int(torch.__version__.split('.')[1])
if TORCH_MAJOR == 0 and TORCH_MINOR < 4: if TORCH_MAJOR < 1 or (TORCH_MAJOR == 1 and TORCH_MINOR < 8):
raise RuntimeError("Colossal-AI requires Pytorch 0.4 or newer.\n" + raise RuntimeError("Colossal-AI requires Pytorch 1.8 or newer.\n" +
"The latest stable release can be obtained from https://pytorch.org/") "The latest stable release can be obtained from https://pytorch.org/")
cmdclass = {} cmdclass = {}
...@@ -79,22 +84,9 @@ ext_modules = [] ...@@ -79,22 +84,9 @@ ext_modules = []
# and # and
# https://github.com/NVIDIA/apex/issues/456 # https://github.com/NVIDIA/apex/issues/456
# https://github.com/pytorch/pytorch/commit/eb7b39e02f7d75c26d8a795ea8c7fd911334da7e#diff-4632522f237f1e4e728cb824300403ac # https://github.com/pytorch/pytorch/commit/eb7b39e02f7d75c26d8a795ea8c7fd911334da7e#diff-4632522f237f1e4e728cb824300403ac
version_ge_1_1 = [] version_dependent_macros = ['-DVERSION_GE_1_1', '-DVERSION_GE_1_3', '-DVERSION_GE_1_5']
if (TORCH_MAJOR > 1) or (TORCH_MAJOR == 1 and TORCH_MINOR > 0):
version_ge_1_1 = ['-DVERSION_GE_1_1']
version_ge_1_3 = []
if (TORCH_MAJOR > 1) or (TORCH_MAJOR == 1 and TORCH_MINOR > 2):
version_ge_1_3 = ['-DVERSION_GE_1_3']
version_ge_1_5 = []
if (TORCH_MAJOR > 1) or (TORCH_MAJOR == 1 and TORCH_MINOR > 4):
version_ge_1_5 = ['-DVERSION_GE_1_5']
version_dependent_macros = version_ge_1_1 + version_ge_1_3 + version_ge_1_5
if "--cuda_ext" in sys.argv: if "--cuda_ext" in sys.argv:
if TORCH_MAJOR == 0:
raise RuntimeError("--cuda_ext requires Pytorch 1.0 or later, "
"found torch.__version__ = {}".format(torch.__version__))
sys.argv.remove("--cuda_ext") sys.argv.remove("--cuda_ext")
if CUDA_HOME is None: if CUDA_HOME is None:
...@@ -103,19 +95,66 @@ if "--cuda_ext" in sys.argv: ...@@ -103,19 +95,66 @@ if "--cuda_ext" in sys.argv:
else: else:
check_cuda_torch_binary_vs_bare_metal(CUDA_HOME) check_cuda_torch_binary_vs_bare_metal(CUDA_HOME)
ext_modules.append( def cuda_ext_helper(name, sources, extra_cuda_flags):
CUDAExtension(name='colossal_C', return CUDAExtension(name=name,
sources=['csrc/colossal_C_frontend.cpp', sources=[os.path.join('colossalai/kernel/cuda_native/csrc', path) for path in sources],
'csrc/multi_tensor_sgd_kernel.cu', include_dirs=[os.path.join(
'csrc/multi_tensor_scale_kernel.cu', this_dir, 'colossalai/kernel/cuda_native/csrc/kernels/include')],
'csrc/multi_tensor_adam.cu', extra_compile_args={'cxx': ['-O3'] + version_dependent_macros,
'csrc/multi_tensor_l2norm_kernel.cu', 'nvcc': append_nvcc_threads(['-O3',
'csrc/multi_tensor_lamb.cu'], '--use_fast_math'] + version_dependent_macros + extra_cuda_flags)})
extra_compile_args={'cxx': ['-O3'] + version_dependent_macros,
'nvcc': ['-lineinfo', ext_modules.append(cuda_ext_helper('colossal_C',
'-O3', ['colossal_C_frontend.cpp',
# '--resource-usage', 'multi_tensor_sgd_kernel.cu',
'--use_fast_math'] + version_dependent_macros})) 'multi_tensor_scale_kernel.cu',
'multi_tensor_adam.cu',
'multi_tensor_l2norm_kernel.cu',
'multi_tensor_lamb.cu'],
['-lineinfo']))
cc_flag = ['-gencode', 'arch=compute_70,code=sm_70']
_, bare_metal_major, _ = get_cuda_bare_metal_version(CUDA_HOME)
if int(bare_metal_major) >= 11:
cc_flag.append('-gencode')
cc_flag.append('arch=compute_80,code=sm_80')
extra_cuda_flags = ['-U__CUDA_NO_HALF_OPERATORS__',
'-U__CUDA_NO_HALF_CONVERSIONS__',
'--expt-relaxed-constexpr',
'--expt-extended-lambda']
ext_modules.append(cuda_ext_helper('colossal_scaled_upper_triang_masked_softmax',
['scaled_upper_triang_masked_softmax.cpp',
'scaled_upper_triang_masked_softmax_cuda.cu'],
extra_cuda_flags + cc_flag))
ext_modules.append(cuda_ext_helper('colossal_scaled_masked_softmax',
['scaled_masked_softmax.cpp', 'scaled_masked_softmax_cuda.cu'],
extra_cuda_flags + cc_flag))
extra_cuda_flags = ['-maxrregcount=50']
ext_modules.append(cuda_ext_helper('colossal_layer_norm_cuda',
['layer_norm_cuda.cpp', 'layer_norm_cuda_kernel.cu'],
extra_cuda_flags + cc_flag))
extra_cuda_flags = ['-std=c++14',
'-U__CUDA_NO_HALF_OPERATORS__',
'-U__CUDA_NO_HALF_CONVERSIONS__',
'-U__CUDA_NO_HALF2_OPERATORS__',
'-DTHRUST_IGNORE_CUB_VERSION_CHECK']
ext_modules.append(cuda_ext_helper('colossal_multihead_attention',
['multihead_attention_1d.cpp',
'kernels/cublas_wrappers.cu',
'kernels/transform_kernels.cu',
'kernels/dropout_kernels.cu',
'kernels/normalize_kernels.cu',
'kernels/softmax_kernels.cu',
'kernels/general_kernels.cu',
'kernels/cuda_util.cu'],
extra_cuda_flags + cc_flag))
install_requires = fetch_requirements('requirements/requirements.txt') install_requires = fetch_requirements('requirements/requirements.txt')
...@@ -123,14 +162,17 @@ install_requires = fetch_requirements('requirements/requirements.txt') ...@@ -123,14 +162,17 @@ install_requires = fetch_requirements('requirements/requirements.txt')
setup( setup(
name='colossalai', name='colossalai',
version='0.0.1-beta', version='0.0.1-beta',
packages=find_packages(exclude=('csrc', packages=find_packages(exclude=('benchmark',
'docker',
'tests', 'tests',
'docs', 'docs',
'examples',
'tests', 'tests',
'scripts',
'requirements',
'*.egg-info',)), '*.egg-info',)),
description='An integrated large-scale model training system with efficient parallelization techniques', description='An integrated large-scale model training system with efficient parallelization techniques',
ext_modules=ext_modules, ext_modules=ext_modules,
cmdclass={'build_ext': BuildExtension} if ext_modules else {}, cmdclass={'build_ext': BuildExtension} if ext_modules else {},
package_data={'colossalai': ['kernel/cuda_native/csrc/*']},
install_requires=install_requires, install_requires=install_requires,
) )
\ No newline at end of file
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