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enginex-mlu370-vllm/torch_mlu_ops-v1.3.2/benchmarks/benchmark_reshape_linear_cache.py
2026-02-04 17:39:32 +08:00

110 lines
5.8 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
import random
e2e_time_param_dict_list = [{"max_batch": 20, "batch": 10, "cache_mem_len": 1024, "max_context_len": 512,
"max_seq_offset": 20, "head_num_q": 32, "head_num_kv": 32, "head_size": 128,
"packed": True, "input_dtype": [torch.float16, torch.bfloat16]},
{"max_batch": 20, "batch": 10, "cache_mem_len": 1024, "max_context_len": 512,
"max_seq_offset": 20, "head_num_q": 32, "head_num_kv": 32, "head_size": 128,
"packed": False, "input_dtype": [torch.float16, torch.bfloat16]},
{"max_batch": 20, "batch": 10, "cache_mem_len": 1024, "max_context_len": 512,
"max_seq_offset": 20, "head_num_q": 32, "head_num_kv": 32, "head_size": 128,
"packed": True, "input_dtype": [torch.float16, torch.bfloat16]},
{"max_batch": 20, "batch": 10, "cache_mem_len": 1024, "max_context_len": 512,
"max_seq_offset": 20, "head_num_q": 32, "head_num_kv": 32, "head_size": 128,
"packed": False, "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()
titles = ["batch", "max_context_len", "head_num_q", "head_num_kv", "head_size", "packed", "input_dytpe", "hardware_time(us)", "e2e_latency(us)"]
contents = []
for params_dict in e2e_time_param_dict_list:
max_batch = params_dict["max_batch"]
batch = params_dict["batch"]
cache_mem_len = params_dict["cache_mem_len"]
max_context_len = params_dict["max_context_len"]
max_seq_offset = params_dict["max_seq_offset"]
head_num_q = params_dict["head_num_q"]
head_num_kv = params_dict["head_num_kv"]
head_size = params_dict["head_size"]
packed = params_dict["packed"]
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
context_lens = torch.randint(size=(batch, ), low=max_context_len,
high=max_context_len+1,
dtype=torch.int32, device='mlu')
# max_seq_offset = max_context_len // 3 + 1
context_seq_offsets = torch.randint(size=(batch, ), low=max_seq_offset, high=max_seq_offset+1,
dtype=torch.int32, device='mlu')
cache_seq_offsets = torch.randint(size=(batch, ), low=-1,
high=(cache_mem_len - max_context_len) // 3 + 1,
dtype=torch.int32, device='mlu')
cu_context_lens = torch.cumsum(context_lens, dim=-1)
cu_context_lens = torch.nn.functional.pad(cu_context_lens, (1,0), "constant", 0).to(torch.int32)
total_seqlen = cu_context_lens[-1]
total_heads = head_num_q + 2 * head_num_kv
if packed > 0:
context = torch.randn((total_seqlen, total_heads, head_size),
dtype=torch.float, device='mlu')
else:
context = torch.randn((batch, max_context_len + max_seq_offset, total_heads, head_size),
dtype=torch.float, device='mlu')
cache = torch.randn((2, max_batch, head_num_kv, cache_mem_len, head_size), dtype=torch.float, device='mlu')
context = context.to(dtype)
cache = cache.to(dtype)
key = context[..., head_num_q : head_num_q + head_num_kv, :]
value = context[..., head_num_q + head_num_kv : head_num_q + 2 * head_num_kv, :]
key_cache = cache[0]
value_cache = cache[1]
cache_bs_id = None
cache_bs_id = random.sample([*range(0, max_batch)], batch)
cache_bs_id = torch.IntTensor(cache_bs_id).mlu()
if packed > 0:
hardware_time, e2e_time = benchmark_forward(tmo.reshape_linear_cache,
key, value,
key_cache, value_cache,
cu_context_lens, max_context_len,
packed > 0, None,
cache_bs_id, cache_seq_offsets,
repeats=args.repeat_times)
else:
hardware_time, e2e_time = benchmark_forward(tmo.reshape_linear_cache,
key, value,
key_cache, value_cache,
context_lens, max_context_len,
packed > 0, context_seq_offsets,
cache_bs_id, cache_seq_offsets,
repeats=args.repeat_times)
content = [f"{batch}", f"{max_context_len}", f"{head_num_q}", f"{head_num_kv}", f"{head_size}", f"{packed}", 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()