Files
triton/python/tests/test_matmul.py
Keren Zhou be2f70699c [BACKEND][FRONTEND] Fix problems with test_matmul (#973)
1. Handle induction variable when step is negative
2. Restore async_wait that accidentally deleted
3. Add missing induction variable in prefetch
4. Add device property functions

Co-authored-by: Philippe Tillet <Phil.Tillet@gmail.com>
2022-12-10 20:34:58 -08:00

102 lines
5.1 KiB
Python

import itertools
import pytest
import torch
import triton
import triton._C.libtriton.triton as _triton
@pytest.mark.parametrize(
"BLOCK_M, BLOCK_N, BLOCK_K, SPLIT_K, NWARP, NSTAGE, M, N, K, AT, BT, DTYPE",
itertools.chain(
*[
[
# 1 warp
(16, 16, 16, 1, 1, 2, None, None, None, AT, BT, DTYPE),
(32, 16, 16, 1, 1, 2, None, None, None, AT, BT, DTYPE),
(16, 32, 16, 1, 1, 2, None, None, None, AT, BT, DTYPE),
(16, 16, 32, 1, 1, 2, None, None, None, AT, BT, DTYPE),
(32, 16, 32, 1, 1, 2, None, None, None, AT, BT, DTYPE),
(16, 32, 32, 1, 1, 2, None, None, None, AT, BT, DTYPE),
(16, 16, 64, 1, 1, 2, None, None, None, AT, BT, DTYPE),
(64, 16, 64, 1, 1, 2, None, None, None, AT, BT, DTYPE),
(16, 64, 64, 1, 1, 2, None, None, None, AT, BT, DTYPE),
# 2 warp
(64, 32, 64, 1, 2, 2, None, None, None, AT, BT, DTYPE),
(32, 64, 64, 1, 2, 2, None, None, None, AT, BT, DTYPE),
(64, 32, 16, 1, 2, 2, None, None, None, AT, BT, DTYPE),
(32, 64, 16, 1, 2, 2, None, None, None, AT, BT, DTYPE),
(128, 32, 32, 1, 2, 2, None, None, None, AT, BT, DTYPE),
(32, 128, 32, 1, 2, 2, None, None, None, AT, BT, DTYPE),
# 4 warp
(128, 64, 16, 1, 4, 2, None, None, None, AT, BT, DTYPE),
(64, 128, 16, 1, 4, 2, None, None, None, AT, BT, DTYPE),
(128, 32, 32, 1, 4, 2, None, None, None, AT, BT, DTYPE),
(32, 128, 32, 1, 4, 2, None, None, None, AT, BT, DTYPE),
(128, 32, 64, 1, 4, 2, None, None, None, AT, BT, DTYPE),
(32, 128, 64, 1, 4, 2, None, None, None, AT, BT, DTYPE),
# 8 warp
(128, 256, 16, 1, 8, 2, None, None, None, AT, BT, DTYPE),
(256, 128, 16, 1, 8, 2, None, None, None, AT, BT, DTYPE),
(256, 128, 32, 1, 8, 2, None, None, None, AT, BT, DTYPE),
# split-k
(64, 64, 16, 2, 4, 2, None, None, None, AT, BT, DTYPE),
(64, 64, 16, 4, 4, 2, None, None, None, AT, BT, DTYPE),
(64, 64, 16, 8, 4, 2, None, None, None, AT, BT, DTYPE),
# variable input
(128, 128, 32, 1, 4, 2, 1024, 1024, 1024, AT, BT, DTYPE),
(128, 128, 32, 1, 4, 2, 384, 128, 640, AT, BT, DTYPE),
(128, 128, 32, 1, 4, 2, 107, 233, 256, AT, BT, DTYPE),
(128, 128, 32, 1, 4, 2, 107, 233, 311, AT, BT, DTYPE),
] for DTYPE in ["float16", "bfloat16", "float32"] for AT in [False, True] for BT in [False, True]
],
# n-stage
*[
[
(16, 16, 16, 1, 1, STAGES, 1024, 1024, 1024, AT, BT, DTYPE),
(64, 32, 64, 1, 2, STAGES, 1024, 1024, 1024, AT, BT, DTYPE),
(128, 64, 16, 1, 4, STAGES, 1024, 1024, 1024, AT, BT, DTYPE),
(256, 128, 32, 1, 8, STAGES, 1024, 1024, 1024, AT, BT, DTYPE),
(128, 128, 32, 1, 4, STAGES, 384, 128, 640, AT, BT, DTYPE),
# split-k
(64, 64, 16, 8, 4, STAGES, 1024, 1024, 1024, AT, BT, DTYPE),
(64, 64, 16, 8, 4, STAGES, 1024, 1024, 32, AT, BT, DTYPE),
] for DTYPE in ["float16", "bfloat16", "float32"] for AT in [False, True] for BT in [False, True] for STAGES in [2, 3, 4]
]
),
)
def test_op(BLOCK_M, BLOCK_N, BLOCK_K, SPLIT_K, NWARP, NSTAGE, M, N, K, AT, BT, DTYPE):
capability = torch.cuda.get_device_capability()
if capability[0] < 7:
pytest.skip("Only test tl.dot() on devices with sm >= 70")
if capability[0] < 8 and DTYPE == "bfloat16":
pytest.skip("Only test bfloat16 on devices with sm >= 80")
#if DTYPE == "bfloat16" and SPLIT_K != 1:
# pytest.skip("bfloat16 matmuls don't allow split_k for now")
if DTYPE == "bfloat16":
pytest.skip("bfloat16 matmuls doesn't support for now")
torch.manual_seed(0)
# nuke kernel decorators -- will set meta-parameters manually
kwargs = {'BLOCK_M': BLOCK_M, 'BLOCK_N': BLOCK_N, 'BLOCK_K': BLOCK_K, 'SPLIT_K': SPLIT_K}
pre_hook = None if SPLIT_K == 1 else lambda nargs: nargs['C'].zero_()
configs = [triton.Config(kwargs=kwargs, num_warps=NWARP, num_stages=NSTAGE, pre_hook=pre_hook)]
kernel = triton.ops._matmul.kernel
kernel.configs = configs
# kernel.run = kernel.run.run.run
# get matrix shape
M = BLOCK_M if M is None else M
N = BLOCK_N if N is None else N
K = BLOCK_K * SPLIT_K if K is None else K
# allocate/transpose inputs
DTYPE = {"float16": torch.float16, "bfloat16": torch.bfloat16, "float32": torch.float32}[DTYPE]
a = .1 * torch.randn((K, M) if AT else (M, K), device="cuda", dtype=DTYPE)
b = .1 * torch.randn((N, K) if BT else (K, N), device="cuda", dtype=DTYPE)
a = a.t() if AT else a
b = b.t() if BT else b
# run test
th_c = torch.matmul(a, b)
tt_c = triton.testing.catch_oor(lambda: triton.ops.matmul(a, b), pytest)
triton.testing.assert_almost_equal(th_c, tt_c)