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Commit 5a4263f4 authored by Ruff's avatar Ruff Committed by Aarni Koskela
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Reformat with ruff-format

parent 02e30ca6
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Showing with 914 additions and 902 deletions
bitsandbytes/triton/int8_matmul_mixed_dequantize.py
View file @ 5a4263f4
...@@ -3,14 +3,14 @@ import torch ...@@ -3,14 +3,14 @@ import torch
from bitsandbytes.triton.triton_utils import is_triton_available from bitsandbytes.triton.triton_utils import is_triton_available
if not is_triton_available(): if not is_triton_available():
def int8_matmul_mixed_dequantize(a, b, state_x, state_w, bias): return None
else:
def int8_matmul_mixed_dequantize(a, b, state_x, state_w, bias):
return None
else:
import triton import triton
import triton.language as tl import triton.language as tl
from triton.ops.matmul_perf_model import early_config_prune, estimate_matmul_time from triton.ops.matmul_perf_model import early_config_prune, estimate_matmul_time
# This is a matmul kernel based on triton.ops.matmul # This is a matmul kernel based on triton.ops.matmul
# It is modified to support rowwise quantized input and global quantized weight # It is modified to support rowwise quantized input and global quantized weight
# It's purpose is fused matmul then dequantize # It's purpose is fused matmul then dequantize
...@@ -27,57 +27,82 @@ else: ...@@ -27,57 +27,82 @@ else:
for block_n in [32, 64, 128, 256]: for block_n in [32, 64, 128, 256]:
num_warps = 2 if block_n <= 64 else 4 num_warps = 2 if block_n <= 64 else 4
configs.append( configs.append(
triton.Config({'BLOCK_M': block_m, 'BLOCK_N': block_n, 'BLOCK_K': block_k, 'SPLIT_K': 1}, triton.Config(
num_stages=num_stages, num_warps=num_warps)) {"BLOCK_M": block_m, "BLOCK_N": block_n, "BLOCK_K": block_k, "SPLIT_K": 1},
num_stages=num_stages,
num_warps=num_warps,
),
)
# split_k # split_k
for split_k in [2, 4, 8, 16]: for split_k in [2, 4, 8, 16]:
configs.append(triton.Config({'BLOCK_M': block_m, 'BLOCK_N': block_n, 'BLOCK_K': block_k, 'SPLIT_K': split_k}, configs.append(
num_stages=num_stages, num_warps=num_warps, pre_hook=init_to_zero('C'))) triton.Config(
{"BLOCK_M": block_m, "BLOCK_N": block_n, "BLOCK_K": block_k, "SPLIT_K": split_k},
num_stages=num_stages,
num_warps=num_warps,
pre_hook=init_to_zero("C"),
),
)
return configs return configs
@triton.autotune( @triton.autotune(
configs=[ configs=[
# basic configs for compute-bound matmuls # basic configs for compute-bound matmuls
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 256, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=3, num_warps=8), triton.Config({"BLOCK_M": 128, "BLOCK_N": 256, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=3, num_warps=8),
triton.Config({'BLOCK_M': 256, 'BLOCK_N': 128, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=3, num_warps=8), triton.Config({"BLOCK_M": 256, "BLOCK_N": 128, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=3, num_warps=8),
triton.Config({'BLOCK_M': 256, 'BLOCK_N': 64, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 256, "BLOCK_N": 64, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 256, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 64, "BLOCK_N": 256, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 128, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 128, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 64, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 64, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 128, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 64, "BLOCK_N": 128, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 32, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 32, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 32, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=5, num_warps=2), triton.Config({"BLOCK_M": 64, "BLOCK_N": 32, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=5, num_warps=2),
# good for int8 # good for int8
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 256, 'BLOCK_K': 128, 'SPLIT_K': 1}, num_stages=3, num_warps=8), triton.Config({"BLOCK_M": 128, "BLOCK_N": 256, "BLOCK_K": 128, "SPLIT_K": 1}, num_stages=3, num_warps=8),
triton.Config({'BLOCK_M': 256, 'BLOCK_N': 128, 'BLOCK_K': 128, 'SPLIT_K': 1}, num_stages=3, num_warps=8), triton.Config({"BLOCK_M": 256, "BLOCK_N": 128, "BLOCK_K": 128, "SPLIT_K": 1}, num_stages=3, num_warps=8),
triton.Config({'BLOCK_M': 256, 'BLOCK_N': 64, 'BLOCK_K': 128, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 256, "BLOCK_N": 64, "BLOCK_K": 128, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 256, 'BLOCK_K': 128, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 64, "BLOCK_N": 256, "BLOCK_K": 128, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 128, 'BLOCK_K': 128, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 128, "BLOCK_K": 128, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 64, 'BLOCK_K': 64, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 64, "BLOCK_K": 64, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 128, 'BLOCK_K': 64, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 64, "BLOCK_N": 128, "BLOCK_K": 64, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 32, 'BLOCK_K': 64, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 32, "BLOCK_K": 64, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 32, 'BLOCK_K': 64, 'SPLIT_K': 1}, num_stages=5, num_warps=2), triton.Config({"BLOCK_M": 64, "BLOCK_N": 32, "BLOCK_K": 64, "SPLIT_K": 1}, num_stages=5, num_warps=2),
*get_configs_io_bound(), *get_configs_io_bound(),
], ],
key=['M', 'N', 'K'], key=["M", "N", "K"],
prune_configs_by={ prune_configs_by={"early_config_prune": early_config_prune, "perf_model": estimate_matmul_time, "top_k": 10},
'early_config_prune': early_config_prune, )
'perf_model': estimate_matmul_time, @triton.heuristics(
'top_k': 10 {
"EVEN_K": lambda args: args["K"] % (args["BLOCK_K"] * args["SPLIT_K"]) == 0,
}, },
) )
@triton.heuristics({
'EVEN_K': lambda args: args['K'] % (args['BLOCK_K'] * args['SPLIT_K']) == 0,
})
@triton.jit @triton.jit
def _int8_matmul_mixed_dequantize(A, B, C, bias, state_x_ptr, state_w_ptr, M, N, K, divfactor: tl.constexpr, has_bias : tl.constexpr, def _int8_matmul_mixed_dequantize(
stride_am, stride_ak, A,
stride_bk, stride_bn, B,
stride_cm, stride_cn, C,
BLOCK_M: tl.constexpr, BLOCK_N: tl.constexpr, BLOCK_K: tl.constexpr, bias,
GROUP_M: tl.constexpr, SPLIT_K: tl.constexpr, EVEN_K: tl.constexpr, state_x_ptr,
ACC_TYPE: tl.constexpr state_w_ptr,
M,
N,
K,
divfactor: tl.constexpr,
has_bias: tl.constexpr,
stride_am,
stride_ak,
stride_bk,
stride_bn,
stride_cm,
stride_cn,
BLOCK_M: tl.constexpr,
BLOCK_N: tl.constexpr,
BLOCK_K: tl.constexpr,
GROUP_M: tl.constexpr,
SPLIT_K: tl.constexpr,
EVEN_K: tl.constexpr,
ACC_TYPE: tl.constexpr,
): ):
# matrix multiplication # matrix multiplication
pid = tl.program_id(0) pid = tl.program_id(0)
...@@ -115,13 +140,13 @@ else: ...@@ -115,13 +140,13 @@ else:
b = tl.load(B) b = tl.load(B)
else: else:
k_remaining = K - k * (BLOCK_K * SPLIT_K) k_remaining = K - k * (BLOCK_K * SPLIT_K)
a = tl.load(A, mask=rk[None, :] < k_remaining, other=0.) a = tl.load(A, mask=rk[None, :] < k_remaining, other=0.0)
b = tl.load(B, mask=rk[:, None] < k_remaining, other=0.) b = tl.load(B, mask=rk[:, None] < k_remaining, other=0.0)
acc += tl.dot(a, b) acc += tl.dot(a, b)
A += BLOCK_K * SPLIT_K * stride_ak A += BLOCK_K * SPLIT_K * stride_ak
B += BLOCK_K * SPLIT_K * stride_bk B += BLOCK_K * SPLIT_K * stride_bk
acc = (w_factor * (x_factor * (acc * divfactor))) acc = w_factor * (x_factor * (acc * divfactor))
acc = acc.to(C.dtype.element_ty) acc = acc.to(C.dtype.element_ty)
# conditionally add bias # conditionally add bias
...@@ -137,10 +162,9 @@ else: ...@@ -137,10 +162,9 @@ else:
else: else:
tl.atomic_add(C, acc, mask=mask) tl.atomic_add(C, acc, mask=mask)
def int8_matmul_mixed_dequantize(a, b, state_x, state_w, bias): def int8_matmul_mixed_dequantize(a, b, state_x, state_w, bias):
device = a.device device = a.device
divfactor = 1. / (127. * 127.) divfactor = 1.0 / (127.0 * 127.0)
has_bias = 0 if bias is None else 1 has_bias = 0 if bias is None else 1
# handle non-contiguous inputs if necessary # handle non-contiguous inputs if necessary
if a.stride(0) > 1 and a.stride(1) > 1: if a.stride(0) > 1 and a.stride(1) > 1:
...@@ -154,12 +178,28 @@ else: ...@@ -154,12 +178,28 @@ else:
# allocates output # allocates output
c = torch.empty((M, N), device=device, dtype=torch.float16) c = torch.empty((M, N), device=device, dtype=torch.float16)
# accumulator types # accumulator types
ACC_TYPE = tl.float32 #if a.dtype in [torch.float16, torch.bfloat16, torch.float32] else tl.int32 ACC_TYPE = tl.float32 # if a.dtype in [torch.float16, torch.bfloat16, torch.float32] else tl.int32
# launch int8_matmul_mixed_dequantize kernel # launch int8_matmul_mixed_dequantize kernel
grid = lambda META: (triton.cdiv(M, META['BLOCK_M']) * triton.cdiv(N, META['BLOCK_N']), META['SPLIT_K']) grid = lambda META: (triton.cdiv(M, META["BLOCK_M"]) * triton.cdiv(N, META["BLOCK_N"]), META["SPLIT_K"])
_int8_matmul_mixed_dequantize[grid](a, b, c, bias, state_x, state_w, M, N, K, divfactor, has_bias, _int8_matmul_mixed_dequantize[grid](
a.stride(0), a.stride(1), a,
b.stride(0), b.stride(1), b,
c.stride(0), c.stride(1), c,
GROUP_M=8, ACC_TYPE=ACC_TYPE) bias,
state_x,
state_w,
M,
N,
K,
divfactor,
has_bias,
a.stride(0),
a.stride(1),
b.stride(0),
b.stride(1),
c.stride(0),
c.stride(1),
GROUP_M=8,
ACC_TYPE=ACC_TYPE,
)
return c return c
bitsandbytes/triton/int8_matmul_rowwise_dequantize.py
View file @ 5a4263f4
...@@ -3,7 +3,9 @@ import torch ...@@ -3,7 +3,9 @@ import torch
from bitsandbytes.triton.triton_utils import is_triton_available from bitsandbytes.triton.triton_utils import is_triton_available
if not is_triton_available(): if not is_triton_available():
def int8_matmul_rowwise_dequantize(a, b, state_x, state_w, bias): return None
def int8_matmul_rowwise_dequantize(a, b, state_x, state_w, bias):
return None
else: else:
import triton import triton
import triton.language as tl import triton.language as tl
...@@ -17,7 +19,6 @@ else: ...@@ -17,7 +19,6 @@ else:
def init_to_zero(name): def init_to_zero(name):
return lambda nargs: nargs[name].zero_() return lambda nargs: nargs[name].zero_()
def get_configs_io_bound(): def get_configs_io_bound():
configs = [] configs = []
for num_stages in [2, 3, 4, 5, 6]: for num_stages in [2, 3, 4, 5, 6]:
...@@ -26,57 +27,82 @@ else: ...@@ -26,57 +27,82 @@ else:
for block_n in [32, 64, 128, 256]: for block_n in [32, 64, 128, 256]:
num_warps = 2 if block_n <= 64 else 4 num_warps = 2 if block_n <= 64 else 4
configs.append( configs.append(
triton.Config({'BLOCK_M': block_m, 'BLOCK_N': block_n, 'BLOCK_K': block_k, 'SPLIT_K': 1}, triton.Config(
num_stages=num_stages, num_warps=num_warps)) {"BLOCK_M": block_m, "BLOCK_N": block_n, "BLOCK_K": block_k, "SPLIT_K": 1},
num_stages=num_stages,
num_warps=num_warps,
),
)
# split_k # split_k
for split_k in [2, 4, 8, 16]: for split_k in [2, 4, 8, 16]:
configs.append(triton.Config({'BLOCK_M': block_m, 'BLOCK_N': block_n, 'BLOCK_K': block_k, 'SPLIT_K': split_k}, configs.append(
num_stages=num_stages, num_warps=num_warps, pre_hook=init_to_zero('C'))) triton.Config(
{"BLOCK_M": block_m, "BLOCK_N": block_n, "BLOCK_K": block_k, "SPLIT_K": split_k},
num_stages=num_stages,
num_warps=num_warps,
pre_hook=init_to_zero("C"),
),
)
return configs return configs
@triton.autotune( @triton.autotune(
configs=[ configs=[
# basic configs for compute-bound matmuls # basic configs for compute-bound matmuls
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 256, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=3, num_warps=8), triton.Config({"BLOCK_M": 128, "BLOCK_N": 256, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=3, num_warps=8),
triton.Config({'BLOCK_M': 256, 'BLOCK_N': 128, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=3, num_warps=8), triton.Config({"BLOCK_M": 256, "BLOCK_N": 128, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=3, num_warps=8),
triton.Config({'BLOCK_M': 256, 'BLOCK_N': 64, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 256, "BLOCK_N": 64, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 256, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 64, "BLOCK_N": 256, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 128, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 128, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 64, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 64, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 128, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 64, "BLOCK_N": 128, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 32, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 32, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 32, 'BLOCK_K': 32, 'SPLIT_K': 1}, num_stages=5, num_warps=2), triton.Config({"BLOCK_M": 64, "BLOCK_N": 32, "BLOCK_K": 32, "SPLIT_K": 1}, num_stages=5, num_warps=2),
# good for int8 # good for int8
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 256, 'BLOCK_K': 128, 'SPLIT_K': 1}, num_stages=3, num_warps=8), triton.Config({"BLOCK_M": 128, "BLOCK_N": 256, "BLOCK_K": 128, "SPLIT_K": 1}, num_stages=3, num_warps=8),
triton.Config({'BLOCK_M': 256, 'BLOCK_N': 128, 'BLOCK_K': 128, 'SPLIT_K': 1}, num_stages=3, num_warps=8), triton.Config({"BLOCK_M": 256, "BLOCK_N": 128, "BLOCK_K": 128, "SPLIT_K": 1}, num_stages=3, num_warps=8),
triton.Config({'BLOCK_M': 256, 'BLOCK_N': 64, 'BLOCK_K': 128, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 256, "BLOCK_N": 64, "BLOCK_K": 128, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 256, 'BLOCK_K': 128, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 64, "BLOCK_N": 256, "BLOCK_K": 128, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 128, 'BLOCK_K': 128, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 128, "BLOCK_K": 128, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 64, 'BLOCK_K': 64, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 64, "BLOCK_K": 64, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 128, 'BLOCK_K': 64, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 64, "BLOCK_N": 128, "BLOCK_K": 64, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 32, 'BLOCK_K': 64, 'SPLIT_K': 1}, num_stages=4, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 32, "BLOCK_K": 64, "SPLIT_K": 1}, num_stages=4, num_warps=4),
triton.Config({'BLOCK_M': 64, 'BLOCK_N': 32, 'BLOCK_K': 64, 'SPLIT_K': 1}, num_stages=5, num_warps=2), triton.Config({"BLOCK_M": 64, "BLOCK_N": 32, "BLOCK_K": 64, "SPLIT_K": 1}, num_stages=5, num_warps=2),
*get_configs_io_bound(), *get_configs_io_bound(),
], ],
key=['M', 'N', 'K'], key=["M", "N", "K"],
prune_configs_by={ prune_configs_by={"early_config_prune": early_config_prune, "perf_model": estimate_matmul_time, "top_k": 10},
'early_config_prune': early_config_prune, )
'perf_model': estimate_matmul_time, @triton.heuristics(
'top_k': 10 {
"EVEN_K": lambda args: args["K"] % (args["BLOCK_K"] * args["SPLIT_K"]) == 0,
}, },
) )
@triton.heuristics({
'EVEN_K': lambda args: args['K'] % (args['BLOCK_K'] * args['SPLIT_K']) == 0,
})
@triton.jit @triton.jit
def _int8_matmul_rowwise_dequantize(A, B, C, bias, state_x_ptr, state_w_ptr, M, N, K, divfactor, has_bias : tl.constexpr, def _int8_matmul_rowwise_dequantize(
stride_am, stride_ak, A,
stride_bk, stride_bn, B,
stride_cm, stride_cn, C,
BLOCK_M: tl.constexpr, BLOCK_N: tl.constexpr, BLOCK_K: tl.constexpr, bias,
GROUP_M: tl.constexpr, SPLIT_K: tl.constexpr, EVEN_K: tl.constexpr, state_x_ptr,
ACC_TYPE: tl.constexpr state_w_ptr,
M,
N,
K,
divfactor,
has_bias: tl.constexpr,
stride_am,
stride_ak,
stride_bk,
stride_bn,
stride_cm,
stride_cn,
BLOCK_M: tl.constexpr,
BLOCK_N: tl.constexpr,
BLOCK_K: tl.constexpr,
GROUP_M: tl.constexpr,
SPLIT_K: tl.constexpr,
EVEN_K: tl.constexpr,
ACC_TYPE: tl.constexpr,
): ):
# matrix multiplication # matrix multiplication
pid = tl.program_id(0) pid = tl.program_id(0)
...@@ -114,13 +140,13 @@ else: ...@@ -114,13 +140,13 @@ else:
b = tl.load(B) b = tl.load(B)
else: else:
k_remaining = K - k * (BLOCK_K * SPLIT_K) k_remaining = K - k * (BLOCK_K * SPLIT_K)
a = tl.load(A, mask=rk[None, :] < k_remaining, other=0.) a = tl.load(A, mask=rk[None, :] < k_remaining, other=0.0)
b = tl.load(B, mask=rk[:, None] < k_remaining, other=0.) b = tl.load(B, mask=rk[:, None] < k_remaining, other=0.0)
acc += tl.dot(a, b) acc += tl.dot(a, b)
A += BLOCK_K * SPLIT_K * stride_ak A += BLOCK_K * SPLIT_K * stride_ak
B += BLOCK_K * SPLIT_K * stride_bk B += BLOCK_K * SPLIT_K * stride_bk
acc = (w_factor * (x_factor * (acc * divfactor))) acc = w_factor * (x_factor * (acc * divfactor))
acc = acc.to(C.dtype.element_ty) acc = acc.to(C.dtype.element_ty)
if has_bias: if has_bias:
...@@ -135,9 +161,8 @@ else: ...@@ -135,9 +161,8 @@ else:
else: else:
tl.atomic_add(C, acc, mask=mask) tl.atomic_add(C, acc, mask=mask)
def int8_matmul_rowwise_dequantize(a, b, state_x, state_w, bias): def int8_matmul_rowwise_dequantize(a, b, state_x, state_w, bias):
divfactor = 1. / (127. * 127.) divfactor = 1.0 / (127.0 * 127.0)
has_bias = 0 if bias is None else 1 has_bias = 0 if bias is None else 1
...@@ -154,12 +179,28 @@ else: ...@@ -154,12 +179,28 @@ else:
# allocates output # allocates output
c = torch.empty((M, N), device=device, dtype=torch.float16) c = torch.empty((M, N), device=device, dtype=torch.float16)
# accumulator types # accumulator types
ACC_TYPE = tl.float32 #if a.dtype in [torch.float16, torch.bfloat16, torch.float32] else tl.int32 ACC_TYPE = tl.float32 # if a.dtype in [torch.float16, torch.bfloat16, torch.float32] else tl.int32
# launch int8_matmul_rowwise_dequantize kernel # launch int8_matmul_rowwise_dequantize kernel
grid = lambda META: (triton.cdiv(M, META['BLOCK_M']) * triton.cdiv(N, META['BLOCK_N']), META['SPLIT_K']) grid = lambda META: (triton.cdiv(M, META["BLOCK_M"]) * triton.cdiv(N, META["BLOCK_N"]), META["SPLIT_K"])
_int8_matmul_rowwise_dequantize[grid](a, b, c, bias, state_x, state_w, M, N, K, divfactor, has_bias, _int8_matmul_rowwise_dequantize[grid](
a.stride(0), a.stride(1), a,
b.stride(0), b.stride(1), b,
c.stride(0), c.stride(1), c,
GROUP_M=8, ACC_TYPE=ACC_TYPE) bias,
state_x,
state_w,
M,
N,
K,
divfactor,
has_bias,
a.stride(0),
a.stride(1),
b.stride(0),
b.stride(1),
c.stride(0),
c.stride(1),
GROUP_M=8,
ACC_TYPE=ACC_TYPE,
)
return c return c
bitsandbytes/triton/quantize_columnwise_and_transpose.py
View file @ 5a4263f4
...@@ -5,9 +5,10 @@ import torch ...@@ -5,9 +5,10 @@ import torch
from bitsandbytes.triton.triton_utils import is_triton_available from bitsandbytes.triton.triton_utils import is_triton_available
if not is_triton_available(): if not is_triton_available():
def quantize_columnwise_and_transpose(x: torch.Tensor): return None
else:
def quantize_columnwise_and_transpose(x: torch.Tensor):
return None
else:
import triton import triton
import triton.language as tl import triton.language as tl
...@@ -31,7 +32,7 @@ else: ...@@ -31,7 +32,7 @@ else:
triton.Config({}, num_warps=4), triton.Config({}, num_warps=4),
triton.Config({}, num_warps=8), triton.Config({}, num_warps=8),
], ],
key=['n_elements'] key=["n_elements"],
) )
@triton.jit @triton.jit
def _quantize_columnwise_and_transpose( def _quantize_columnwise_and_transpose(
...@@ -39,7 +40,8 @@ else: ...@@ -39,7 +40,8 @@ else:
output_ptr, output_ptr,
output_maxs, output_maxs,
n_elements, n_elements,
M : tl.constexpr, N : tl.constexpr, M: tl.constexpr,
N: tl.constexpr,
BLOCK_SIZE: tl.constexpr, BLOCK_SIZE: tl.constexpr,
P2: tl.constexpr, P2: tl.constexpr,
): ):
...@@ -52,7 +54,7 @@ else: ...@@ -52,7 +54,7 @@ else:
x = tl.load(x_ptr + offsets, mask=p2_arange_mask) x = tl.load(x_ptr + offsets, mask=p2_arange_mask)
abs_x = tl.abs(x) abs_x = tl.abs(x)
max_val = tl.max(tl.where(p2_arange_mask, abs_x, 0), axis=0) max_val = tl.max(tl.where(p2_arange_mask, abs_x, 0), axis=0)
output = tl.libdevice.llrint(127. * (x / max_val)) output = tl.libdevice.llrint(127.0 * (x / max_val))
new_start = pid * M new_start = pid * M
new_offsets = new_start + p2_arange new_offsets = new_start + p2_arange
...@@ -68,6 +70,6 @@ else: ...@@ -68,6 +70,6 @@ else:
assert x.is_cuda and output.is_cuda assert x.is_cuda and output.is_cuda
n_elements = output.numel() n_elements = output.numel()
grid = lambda meta: (triton.cdiv(n_elements, meta['BLOCK_SIZE']),) grid = lambda meta: (triton.cdiv(n_elements, meta["BLOCK_SIZE"]),)
_quantize_columnwise_and_transpose[grid](x, output, output_maxs, n_elements, M, N, BLOCK_SIZE=M, P2=P2) _quantize_columnwise_and_transpose[grid](x, output, output_maxs, n_elements, M, N, BLOCK_SIZE=M, P2=P2)
return output, output_maxs return output, output_maxs
bitsandbytes/triton/quantize_global.py
View file @ 5a4263f4
import torch import torch
from bitsandbytes.triton.triton_utils import is_triton_available from bitsandbytes.triton.triton_utils import is_triton_available
if not is_triton_available(): if not is_triton_available():
def quantize_global_transpose(input): return None
def quantize_global(x: torch.Tensor): return None
else:
def quantize_global_transpose(input):
return None
def quantize_global(x: torch.Tensor):
return None
else:
import triton import triton
import triton.language as tl import triton.language as tl
# global quantize # global quantize
@triton.autotune( @triton.autotune(
configs=[ configs=[
triton.Config({'BLOCK_SIZE': 1024,}, num_warps=4), triton.Config({"BLOCK_SIZE": 1024}, num_warps=4),
triton.Config({'BLOCK_SIZE': 2048,}, num_stages=1), triton.Config({"BLOCK_SIZE": 2048}, num_stages=1),
], ],
key=['n_elements'] key=["n_elements"],
) )
@triton.jit @triton.jit
def _quantize_global( def _quantize_global(
...@@ -34,35 +35,43 @@ else: ...@@ -34,35 +35,43 @@ else:
mask = offsets < n_elements mask = offsets < n_elements
x = tl.load(x_ptr + offsets, mask=mask) x = tl.load(x_ptr + offsets, mask=mask)
absmax_inv = tl.load(absmax_inv_ptr) absmax_inv = tl.load(absmax_inv_ptr)
output = tl.libdevice.llrint(127. * (x * absmax_inv)) output = tl.libdevice.llrint(127.0 * (x * absmax_inv))
tl.store(output_ptr + offsets, output, mask=mask) tl.store(output_ptr + offsets, output, mask=mask)
def quantize_global(x: torch.Tensor): def quantize_global(x: torch.Tensor):
absmax = x.abs().max().unsqueeze(0) absmax = x.abs().max().unsqueeze(0)
absmax_inv = 1./ absmax absmax_inv = 1.0 / absmax
output = torch.empty(*x.shape, device='cuda', dtype=torch.int8) output = torch.empty(*x.shape, device="cuda", dtype=torch.int8)
assert x.is_cuda and output.is_cuda assert x.is_cuda and output.is_cuda
n_elements = output.numel() n_elements = output.numel()
grid = lambda meta: (triton.cdiv(n_elements, meta['BLOCK_SIZE']),) grid = lambda meta: (triton.cdiv(n_elements, meta["BLOCK_SIZE"]),)
_quantize_global[grid](x, absmax_inv, output, n_elements) _quantize_global[grid](x, absmax_inv, output, n_elements)
return output, absmax return output, absmax
# global quantize and transpose # global quantize and transpose
@triton.autotune( @triton.autotune(
configs=[ configs=[
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 128, 'GROUP_M': 8}, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 128, "GROUP_M": 8}, num_warps=4),
triton.Config({'BLOCK_M': 128, 'BLOCK_N': 128, 'GROUP_M': 8}, num_warps=4), triton.Config({"BLOCK_M": 128, "BLOCK_N": 128, "GROUP_M": 8}, num_warps=4),
# ... # ...
], ],
key=['M', 'N'] key=["M", "N"],
) )
@triton.jit @triton.jit
def _quantize_global_transpose(A, absmax_inv_ptr, B, stride_am, stride_an, stride_bn, stride_bm, M, N, def _quantize_global_transpose(
BLOCK_M : tl.constexpr, A,
BLOCK_N : tl.constexpr, absmax_inv_ptr,
GROUP_M : tl.constexpr): B,
stride_am,
stride_an,
stride_bn,
stride_bm,
M,
N,
BLOCK_M: tl.constexpr,
BLOCK_N: tl.constexpr,
GROUP_M: tl.constexpr,
):
pid = tl.program_id(0) pid = tl.program_id(0)
grid_m = (M + BLOCK_M - 1) // BLOCK_M grid_m = (M + BLOCK_M - 1) // BLOCK_M
grid_n = (N + BLOCK_N - 1) // BLOCK_N grid_n = (N + BLOCK_N - 1) // BLOCK_N
...@@ -86,20 +95,30 @@ else: ...@@ -86,20 +95,30 @@ else:
B = B + (rm[:, None] * stride_bm + rn[None, :] * stride_bn) B = B + (rm[:, None] * stride_bm + rn[None, :] * stride_bn)
mask = (rm < M)[:, None] & (rn < N)[None, :] mask = (rm < M)[:, None] & (rn < N)[None, :]
output = tl.libdevice.llrint(127. * (a * absmax_inv)) output = tl.libdevice.llrint(127.0 * (a * absmax_inv))
tl.store(B, output, mask=mask) tl.store(B, output, mask=mask)
def quantize_global_transpose(input): def quantize_global_transpose(input):
absmax = input.abs().max().unsqueeze(0) absmax = input.abs().max().unsqueeze(0)
absmax_inv = 1./ absmax absmax_inv = 1.0 / absmax
M, N = input.shape M, N = input.shape
out = torch.empty(N, M, device='cuda', dtype=torch.int8) out = torch.empty(N, M, device="cuda", dtype=torch.int8)
assert out.size(0) == N and out.size(1) == M assert out.size(0) == N and out.size(1) == M
assert input.stride(0) == 1 or input.stride(1) == 1 assert input.stride(0) == 1 or input.stride(1) == 1
assert out.stride(0) == 1 or out.stride(1) == 1 assert out.stride(0) == 1 or out.stride(1) == 1
grid = lambda META: (triton.cdiv(M, META['BLOCK_M']) * triton.cdiv(N, META['BLOCK_N']),) grid = lambda META: (triton.cdiv(M, META["BLOCK_M"]) * triton.cdiv(N, META["BLOCK_N"]),)
_quantize_global_transpose[grid](input, absmax_inv, out, input.stride(0), input.stride(1), out.stride(0), out.stride(1), M, N) _quantize_global_transpose[grid](
input,
absmax_inv,
out,
input.stride(0),
input.stride(1),
out.stride(0),
out.stride(1),
M,
N,
)
return out, absmax return out, absmax
bitsandbytes/triton/quantize_rowwise.py
View file @ 5a4263f4
...@@ -5,9 +5,10 @@ import torch ...@@ -5,9 +5,10 @@ import torch
from bitsandbytes.triton.triton_utils import is_triton_available from bitsandbytes.triton.triton_utils import is_triton_available
if not is_triton_available(): if not is_triton_available():
def quantize_rowwise(x: torch.Tensor): return None
else:
def quantize_rowwise(x: torch.Tensor):
return None
else:
import triton import triton
import triton.language as tl import triton.language as tl
...@@ -29,7 +30,7 @@ else: ...@@ -29,7 +30,7 @@ else:
triton.Config({}, num_warps=4), triton.Config({}, num_warps=4),
triton.Config({}, num_warps=8), triton.Config({}, num_warps=8),
], ],
key=['n_elements'] key=["n_elements"],
) )
@triton.jit @triton.jit
def _quantize_rowwise( def _quantize_rowwise(
...@@ -49,7 +50,7 @@ else: ...@@ -49,7 +50,7 @@ else:
abs_x = tl.abs(x) abs_x = tl.abs(x)
max_val = tl.max(tl.where(row_mask, abs_x, 0), axis=0) max_val = tl.max(tl.where(row_mask, abs_x, 0), axis=0)
output = tl.libdevice.llrint(127. * (x / max_val)) output = tl.libdevice.llrint(127.0 * (x / max_val))
tl.store(output_ptr + offsets, output, mask=row_mask) tl.store(output_ptr + offsets, output, mask=row_mask)
tl.store(output_maxs + pid, max_val) tl.store(output_maxs + pid, max_val)
......
bitsandbytes/utils.py
View file @ 5a4263f4
This diff is collapsed.
check_bnb_install.py
View file @ 5a4263f4
...@@ -2,14 +2,14 @@ import torch ...@@ -2,14 +2,14 @@ import torch
import bitsandbytes as bnb import bitsandbytes as bnb
p = torch.nn.Parameter(torch.rand(10,10).cuda()) p = torch.nn.Parameter(torch.rand(10, 10).cuda())
a = torch.rand(10,10).cuda() a = torch.rand(10, 10).cuda()
p1 = p.data.sum().item() p1 = p.data.sum().item()
adam = bnb.optim.Adam([p]) adam = bnb.optim.Adam([p])
out = a*p out = a * p
loss = out.sum() loss = out.sum()
loss.backward() loss.backward()
adam.step() adam.step()
...@@ -17,5 +17,5 @@ adam.step() ...@@ -17,5 +17,5 @@ adam.step()
p2 = p.data.sum().item() p2 = p.data.sum().item()
assert p1 != p2 assert p1 != p2
print('SUCCESS!') print("SUCCESS!")
print('Installation was successful!') print("Installation was successful!")
examples/int8_inference_huggingface.py
View file @ 5a4263f4
...@@ -2,23 +2,18 @@ import torch ...@@ -2,23 +2,18 @@ import torch
from transformers import LlamaForCausalLM, LlamaTokenizer from transformers import LlamaForCausalLM, LlamaTokenizer
MAX_NEW_TOKENS = 128 MAX_NEW_TOKENS = 128
model_name = 'meta-llama/Llama-2-7b-hf' model_name = "meta-llama/Llama-2-7b-hf"
text = 'Hamburg is in which country?\n' text = "Hamburg is in which country?\n"
tokenizer = LlamaTokenizer.from_pretrained(model_name) tokenizer = LlamaTokenizer.from_pretrained(model_name)
input_ids = tokenizer(text, return_tensors="pt").input_ids input_ids = tokenizer(text, return_tensors="pt").input_ids
max_memory = f'{int(torch.cuda.mem_get_info()[0]/1024**3)-2}GB' max_memory = f"{int(torch.cuda.mem_get_info()[0]/1024**3)-2}GB"
n_gpus = torch.cuda.device_count() n_gpus = torch.cuda.device_count()
max_memory = {i: max_memory for i in range(n_gpus)} max_memory = {i: max_memory for i in range(n_gpus)}
model = LlamaForCausalLM.from_pretrained( model = LlamaForCausalLM.from_pretrained(model_name, device_map="auto", load_in_8bit=True, max_memory=max_memory)
model_name,
device_map='auto',
load_in_8bit=True,
max_memory=max_memory
)
generated_ids = model.generate(input_ids, max_length=MAX_NEW_TOKENS) generated_ids = model.generate(input_ids, max_length=MAX_NEW_TOKENS)
print(tokenizer.decode(generated_ids[0], skip_special_tokens=True)) print(tokenizer.decode(generated_ids[0], skip_special_tokens=True))
install_cuda.py
View file @ 5a4263f4
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scripts/stale.py
View file @ 5a4263f4
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tests/test_autograd.py
View file @ 5a4263f4
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tests/test_cuda_setup_evaluator.py
View file @ 5a4263f4
...@@ -35,7 +35,4 @@ def test_get_cuda_bnb_library_path_override(monkeypatch, cuda120_spec, caplog): ...@@ -35,7 +35,4 @@ def test_get_cuda_bnb_library_path_override(monkeypatch, cuda120_spec, caplog):
def test_get_cuda_bnb_library_path_nocublaslt(monkeypatch, cuda111_noblas_spec): def test_get_cuda_bnb_library_path_nocublaslt(monkeypatch, cuda111_noblas_spec):
monkeypatch.delenv("BNB_CUDA_VERSION", raising=False) monkeypatch.delenv("BNB_CUDA_VERSION", raising=False)
assert ( assert get_cuda_bnb_library_path(cuda111_noblas_spec).stem == "libbitsandbytes_cuda111_nocublaslt"
get_cuda_bnb_library_path(cuda111_noblas_spec).stem
== "libbitsandbytes_cuda111_nocublaslt"
)
tests/test_functional.py
View file @ 5a4263f4
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tests/test_generation.py
View file @ 5a4263f4
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tests/test_linear4bit.py
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tests/test_linear8bitlt.py
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tests/test_modules.py
View file @ 5a4263f4
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tests/test_optim.py
View file @ 5a4263f4
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tests/test_triton.py
View file @ 5a4263f4
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