Datasets:
File size: 2,114 Bytes
167e081 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | import os
import torch
import pytest
import tile_kernels
from tile_kernels.testing.generator import generate_num_tokens
from tile_kernels.testing.numeric import assert_equal, count_bytes
from tile_kernels.testing.bench import make_param_id
from tile_kernels.torch import stable_topk as torch_stable_topk
# Disable TileLang prints
os.environ['TILELANG_PRINT_ON_COMPILATION'] = '0'
_EXPERT_CONFIGS = [
(72, 6),
(32, 6),
(64, 6),
(96, 6),
(16, 6),
(36, 6),
(108, 6),
(128, 6),
(144, 6),
(256, 8),
]
def generate_test_data(params):
num_tokens = params['num_tokens']
num_experts = params['num_experts']
scores = torch.randn((num_tokens, num_experts), dtype=torch.float, device='cuda')
return scores
def generate_test_params(is_benchmark: bool) -> list[dict]:
return [
{
'num_tokens': num_tokens,
'num_experts': num_experts,
'num_topk': num_topk,
}
for num_tokens in generate_num_tokens(is_benchmark=is_benchmark)
for num_experts, num_topk in _EXPERT_CONFIGS
]
@pytest.mark.parametrize('params', generate_test_params(is_benchmark=False), ids=make_param_id)
def test_topk_gate(params):
scores = generate_test_data(params)
num_topk = params['num_topk']
topk_idx_ref = torch_stable_topk(scores, num_topk)
topk_idx = tile_kernels.moe.topk_gate(scores, num_topk)
assert_equal(topk_idx, topk_idx_ref)
@pytest.mark.benchmark
@pytest.mark.parametrize('params', generate_test_params(is_benchmark=True), ids=make_param_id)
def test_topk_gate_benchmark(benchmark_timer, benchmark_record, params):
scores = generate_test_data(params)
num_topk = params['num_topk']
topk_idx = tile_kernels.moe.topk_gate(scores, num_topk)
t_us = benchmark_timer(lambda: tile_kernels.moe.topk_gate(scores, num_topk))
num_bytes = count_bytes(scores, topk_idx)
bandwidth_gbs = num_bytes / t_us / 1e3
benchmark_record(
kernel='topk_gate',
operation='fwd',
params=params,
time_us=t_us,
bandwidth_gbs=bandwidth_gbs,
)
|