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2025-08-05 19:02:46 +08:00

118 lines
3.6 KiB
Python

# Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
#
# This source code is licensed under the BSD license found in the
# LICENSE file in the root directory of this source tree.
import itertools
import torch
from torch.utils import benchmark
from xformers.components.attention._sputnik_sparse import _csr_to_coo
from xformers.components.attention.core import SparseCS, _create_random_sparsity
MIN_RUN_TIME = 0.2
def _get_fn(backend):
if backend == "csr_ge":
fn = torch.ops.xformers.csr_sddmm
elif backend == "csr_sputnik":
fn = torch.ops.xformers.sddmm_sputnik
elif backend == "coo_ge":
def fn(a, b, row_indices, row_offsets, column_indices):
row_coo, _ = _csr_to_coo(
a.shape[-2], b.shape[-2], row_offsets, column_indices
)
return torch.ops.xformers.coo_sddmm(
a, b, row_indices, row_coo, column_indices
)
elif backend == "csr_to_coo":
def fn(a, b, row_indices, row_offsets, column_indices):
row_coo, _ = _csr_to_coo(
a.shape[-2], b.shape[-2], row_offsets, column_indices
)
return row_coo
return fn
def bench_sddmm(configs):
min_run_time = MIN_RUN_TIME
device = torch.device("cuda")
results = []
for (B, M, K), prob in configs:
a = torch.rand(B, M, K, device=device)
b = torch.rand(B, M, K, device=device)
mask = _create_random_sparsity(
torch.ones(1, M, M, dtype=torch.bool), prob, divisible_by=16
)
aa = a
bb = b
mask = SparseCS(mask, device)
row_indices = mask.row_indices
row_offsets = mask.row_offsets
column_indices = mask.column_indices
for backend in ["csr_sputnik", "csr_ge", "coo_ge", "csr_to_coo"]:
fn_str = "fn(a, b, row_indices, row_offsets, column_indices)"
fn = _get_fn(backend)
results.append(
benchmark.Timer(
stmt=fn_str,
globals={
"a": aa,
"b": bb,
"mask": mask,
"row_indices": row_indices,
"row_offsets": row_offsets,
"column_indices": column_indices,
"fn": fn,
},
label="sddmm",
sub_label=f"B={B:>4d}, M={M:>4d}, K={K:>3d}, prob={prob:0.4f}",
description=backend,
).blocked_autorange(min_run_time=min_run_time)
)
compare = benchmark.Compare(results)
compare.print()
return results
# batch size 32, for different layers
SWIN_T_SIZES = [(96, 3136, 32), (192, 784, 32), (384, 196, 32), (768, 49, 32)]
swin_t_config = list(zip(SWIN_T_SIZES, (0.9844, 0.9375, 0.75, 0.0)))
# some random values
BASIC_SIZES = [(32, 1024, 32), (32, 1024, 128), (8, 4096, 32), (8, 4096, 128)]
SPARSITIES = [0.90, 0.93, 0.95, 0.97, 0.98, 0.99, 0.995, 0.999]
basic_config = list(itertools.product(BASIC_SIZES, SPARSITIES))
# batch size 32 here
vit_sizes = [
(192, 785, 64), # deit_small_patch8_224
(192, 197, 64), # deit_small_patch16_224
(384, 785, 64), # deit_base_patch8_224
(384, 197, 64), # deit_base_patch16_224
]
SPARSITIES = [0.70, 0.80, 0.85, 0.90, 0.93, 0.95, 0.97]
vit_config = list(itertools.product(vit_sizes, SPARSITIES))
results = []
print("Swin Transformer")
results += bench_sddmm(swin_t_config)
print("ViT")
results += bench_sddmm(vit_config)
print("Basic cases")
results += bench_sddmm(basic_config)