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2026-02-04 17:39:32 +08:00

93 lines
5.1 KiB
Python

import torch
import torch_mlu
import torch_mlu_ops as tmo
from common import benchmark_forward, save_to_csv
import argparse
from tabulate import tabulate
import os
# for e2e time test
e2e_time_param_dict_list = [{"batch": 1, "seq_q": 32768, "seq_kv": 32768, "head_num": 8,
"head_num_kv": 1, "head_size": 128, "use_causal": True,
"softmax_scale": 1e-6, "input_dtype": [torch.float16, torch.bfloat16]},
{"batch": 1, "seq_q": 16384, "seq_kv": 16384, "head_num": 8,
"head_num_kv": 1, "head_size": 128, "use_causal": True,
"softmax_scale": 1e-6, "input_dtype": [torch.float16, torch.bfloat16]},
{"batch": 1, "seq_q": 8192, "seq_kv": 24576, "head_num": 8,
"head_num_kv": 1, "head_size": 128, "use_causal": True,
"softmax_scale": 1e-6, "input_dtype": [torch.float16, torch.bfloat16]},
{"batch": 1, "seq_q": 4096, "seq_kv": 28672, "head_num": 8,
"head_num_kv": 1, "head_size": 128, "use_causal": True,
"softmax_scale": 1e-6, "input_dtype": [torch.float16, torch.bfloat16]},
{"batch": 1, "seq_q": 4096, "seq_kv": 32768, "head_num": 8,
"head_num_kv": 1, "head_size": 128, "use_causal": True,
"softmax_scale": 1e-6, "input_dtype": [torch.float16, torch.bfloat16]},
]
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--repeat_times', type=int, default=10, help='repeat times for testing')
parser.add_argument('--csv', action='store_true', help='write the report data to csv')
parser.add_argument('-o', type=str, help='specify the output folder name under --csv mode')
args = parser.parse_args()
device = 'mlu'
titles = ["batch", "seq_q", "seq_kv", "head_num", "head_num_kv", "head_size", "use_causal", "input_dtype", "hardware_time(us)", "e2e_latency(us)"]
contents = []
for params_dict in e2e_time_param_dict_list:
batch = params_dict["batch"]
seq_q = params_dict["seq_q"]
seq_kv = params_dict["seq_kv"]
head_num = params_dict["head_num"]
head_num_kv = params_dict["head_num_kv"]
head_size = params_dict["head_size"]
use_causal = params_dict["use_causal"]
softmax_scale = params_dict["softmax_scale"]
input_dtype_list = params_dict["input_dtype"]
for dtype in input_dtype_list:
if dtype == torch.bfloat16 and not torch_mlu.mlu.is_bf16_supported():
continue
if seq_q == seq_kv:
qkv = torch.randn(batch, seq_q, head_num + 2 * head_num_kv, head_size).to(dtype).to(device)
q = qkv[:, :, : head_num, :]
k = qkv[:, :, head_num : head_num + head_num_kv, :]
v = qkv[:, :, head_num + head_num_kv : head_num + head_num * 2, :]
elif seq_q < seq_kv:
q = torch.randn(batch, seq_q, head_num, head_size).to(device).to(dtype)
kv = torch.randn(batch, seq_kv, head_num_kv * 2, head_size).to(device).to(dtype)
k = kv[:, :, : head_num_kv, :]
v = kv[:, :, head_num_kv :, :]
hardware_time, e2e_time = benchmark_forward(tmo.flash_attention,
q = q,
k = k,
v = v,
out = None,
cu_seq_lens_q = None,
cu_seq_lens_kv = None,
alibi_slope = None,
attn_bias = None,
max_seq_len_q = seq_q,
max_seq_len_kv = seq_kv,
softmax_scale = softmax_scale,
is_causal = use_causal,
window_size_left = -1,
window_size_right = -1,
compute_dtype = dtype,
return_lse = False,
block_tables = None,
k_cache_quant_scale = None,
v_cache_quant_scale = None,
repeats=args.repeat_times)
content = [f"{batch}", f"{seq_q}", f"{seq_kv}", f"{head_num}", f"{head_num_kv}", f"{head_size}", f"{use_causal}", f"{dtype}", f"{hardware_time}", f"{e2e_time}"]
contents.append(content)
table = [titles] + contents
print(tabulate(table, headers="firstrow", tablefmt="grid"))
if args.csv:
current_file_path = __file__
_, file_name = os.path.split(current_file_path)
save_to_csv(table, args.o, file_name)
if __name__=="__main__":
main()