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Benchmark for https://github.com/pytorch/pytorch/pull/45358
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import numpy, torch, cupy | |
import itertools | |
import time | |
from torch.utils._benchmark import Timer | |
from torch.utils._benchmark import Compare | |
import sys | |
print('Using pytorch %s' % (torch.__version__)) | |
print('Using cupy %s' % (cupy.__version__)) | |
print('Using numpy %s' % (numpy.__version__)) | |
numpy.random.seed(1234) | |
shapes = [(32,), (32, 32), (2, 16, 32), (2, 16, 32, 32)] | |
results = [] | |
num_threads = 8 | |
dtype = torch.float32 | |
repeats = 2 | |
for mat1_shape, mat2_shape in itertools.product(shapes, reversed(shapes)): | |
mat1 = torch.rand(*mat1_shape, dtype=dtype, device='cuda') | |
mat2 = torch.rand(*mat2_shape, dtype=dtype, device='cuda') | |
mat1_cpu = mat1.to('cpu') | |
mat2_cpu = mat2.to('cpu') | |
mat1_numpu = mat1_cpu.numpy() | |
mat2_numpy = mat2_cpu.numpy() | |
mat1_cupy = cupy.array(mat1_cpu) | |
mat2_cupy = cupy.array(mat2_cpu) | |
tasks = [("torch.kron(mat1, mat2)", "torch.kron CUDA"), ("cupy.kron(mat1_cupy, mat2_cupy)", "cupy.kron CUDA"), ("torch.kron(mat1_cpu, mat2_cpu)", "torch.kron CPU"), ("numpy.kron(mat1_cpu, mat2_cpu)", "numpy.kron CPU")] | |
timers = [Timer(stmt=stmt, num_threads=num_threads, label=f"kron {dtype}", sub_label=f"{(mat1_shape, mat2_shape)}", description=label, globals=globals()) for stmt, label in tasks] | |
for i, timer in enumerate(timers * repeats): | |
results.append( | |
timer.blocked_autorange() | |
) | |
print(f"\r{i + 1} / {len(timers) * repeats}", end="") | |
sys.stdout.flush() | |
comparison = Compare(results) | |
comparison.print() |
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