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fix(benchmark): 优化 KV 缓存初始化并更正基准测试类型标识

This commit is contained in:
ViperEkura 2025-11-05 15:44:29 +08:00
parent 0a754e3341
commit b260f5581d
1 changed files with 8 additions and 21 deletions
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29
benchmark.py
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@ -27,14 +27,10 @@ class GenerationBenchmark:
def _initialize_kv_cache(self, batch_size: int) -> list: def _initialize_kv_cache(self, batch_size: int) -> list:
"""初始化KV缓存""" """初始化KV缓存"""
k_cache = torch.zeros( config = self.config
(batch_size, config.n_layer, config.m_len, config.n_kvhead, config.n_dim // config.n_head), shape = (batch_size, config.n_layer, config.m_len, config.n_kvhead, config.n_dim // config.n_head)
device=self.device, dtype=self.dtype k_cache = torch.zeros(shape, device=self.device, dtype=self.dtype)
) v_cache = torch.zeros(shape, device=self.device, dtype=self.dtype)
v_cache = torch.zeros(
(batch_size, config.n_layer, config.m_len, config.n_kvhead, config.n_dim // config.n_head),
device=self.device, dtype=self.dtype
)
return (k_cache, v_cache) return (k_cache, v_cache)
def _prepare_inputs(self, batch_size: int, prompt_length: int, total_length: int): def _prepare_inputs(self, batch_size: int, prompt_length: int, total_length: int):
@ -148,7 +144,7 @@ class GenerationBenchmark:
total_time=total_time, total_time=total_time,
tokens_per_second=total_tokens / total_time, tokens_per_second=total_tokens / total_time,
metadata={ metadata={
"benchmark_type": "generation", "benchmark_type": "decoding",
"batch_size": batch_size, "batch_size": batch_size,
"prompt_length": prompt_length, "prompt_length": prompt_length,
"gen_length": gen_length, "gen_length": gen_length,
@ -169,7 +165,7 @@ def print_benchmark_result(result: BenchmarkResult):
if benchmark_type == "prefill": if benchmark_type == "prefill":
print(f"Batch Size: {result.metadata['batch_size']} | Prompt Length: {result.metadata['prompt_length']}") print(f"Batch Size: {result.metadata['batch_size']} | Prompt Length: {result.metadata['prompt_length']}")
elif benchmark_type == "generation": elif benchmark_type == "decoding":
print(f"Batch Size: {result.metadata['batch_size']} | Gen Length: {result.metadata['gen_length']}") print(f"Batch Size: {result.metadata['batch_size']} | Gen Length: {result.metadata['gen_length']}")
print(f"Device: {result.metadata['device']} | Dtype: {result.metadata['dtype']}") print(f"Device: {result.metadata['device']} | Dtype: {result.metadata['dtype']}")
@ -194,18 +190,9 @@ if __name__ == "__main__":
print("Running Transformer Generation Benchmark") print("Running Transformer Generation Benchmark")
print("=" * 80) print("=" * 80)
prefill_result = benchmark.run_prefill_benchmark( prefill_result = benchmark.run_prefill_benchmark(batch_size=4, prompt_length=512, num_trials=5)
batch_size=4,
prompt_length=512,
num_trials=5
)
print_benchmark_result(prefill_result) print_benchmark_result(prefill_result)
gen_result = benchmark.run_decoding_benchmark( gen_result = benchmark.run_decoding_benchmark(batch_size=4, prompt_length=512, gen_length=128, num_trials=5)
batch_size=4,
prompt_length=512,
gen_length=128,
num_trials=5
)
print_benchmark_result(gen_result) print_benchmark_result(gen_result)