Commit 7c8fb33c authored by jerrrrry's avatar jerrrrry
Browse files

Update README.md

parent b30d394f
......@@ -49,13 +49,13 @@ python benchmark_servein_0.7.2.py --backend vllm --ignore-eos --dataset-name r
</pre>
0.6.2
Offline推理
# 0.6.2
1. Offline推理
benchmark_throughput_0.6.2.py
使用如下脚本可以减少不同参数推理时反复load模型
batch prompt_tokens completion_tokens可以用空格分隔传成字符串
其他参数与标准脚本一致
bash
<pre>
export HIP_VISIBLE_DEVICES=1
tp=1
model_path=/llm-models/qwen1.5/Qwen1.5-0.5B-Chat
......@@ -66,7 +66,7 @@ prompt_tokens="16 64"
completion_tokens="128 256"
python benchmark_throughput_0.6.2.py --model ${model_path} --tensor-parallel-size ${tp} --num-prompts ${batch} --input-len ${prompt_tokens} --output-len ${completion_tokens} \
--dtype float16 --trust-remote-code --max-model-len 32768 --output-json ./test_0.5B-0.6.2.txt
</pre>
按照如上传参,则计算的场景如下:
bs input output
1 16 128
......@@ -83,11 +83,11 @@ bs_in_out,elapsed_time,Throughput,total_tokens,output_tokens,ttft_mean,ttft_medi
2_16_128,3.62,0.55,79.56,70.72,0.04829,0.04829,0.04893,0.028,0.02801,0.02801,35.51,35.51,35.51,39.94,39.94,39.95
2_64_256,7.31,0.27,87.55,70.04,0.04697,0.04697,0.04764,0.0284,0.02836,0.02836,35.17,35.17,35.18,43.97,43.97,43.97
Server推理
2. Server推理
benchmark_servein_0.6.2.py
backend_request_func.py
使用此方式可以减少server生成长度和指定长度差距过大
Bash
<pre>
#使用提供的脚本进行测试
#启动server
......@@ -99,38 +99,5 @@ vllm serve $MODEL_PATH --trust-remote-code --dtype $dtype --max-model-len $ma
#--distributed-executor-backend ray等其他参数根据实际情况添加
方式与平常一样,只是需要加上--ignore-eos
python benchmark_servein_0.6.2.py --backend vllm --ignore-eos --dataset-name random --random-input-len $input_len --random-output-len $output_len --model $MODEL_PATH --num-prompts $num_prompts --endpoint /v1/completions
prof
offline_porf
hipprof
prof.py
benchmark_throughput_0.6.2_hipprof.py
bash
#使用示例:
黄色背景为额外添加的部分
SGLANG_PROF_ROCTX=1 hipprof --trace-off python benchmark_throughput_0.6.2_hipprof.py --num-prompts 1 --input-len 2000 --output-len 1 --model /models/Llama-2-7b-hf --trust-remote-code --enforce-eager --dtype float16 > 7b-prefill-2000-test.log 2>&1
torchprof
benchmark_throughput_0.6.2_torchprof.py
bash
#启动方式与平常使用一致
benchmark_throughput_0.6.2_torchprof.py --num-prompts 1 --input-len 2000 --output-len 1 --model /models/Llama-2-7b-hf --trust-remote-code --enforce-eager --dtype float16 > 7b-prefill-2000-test.log 2>&1
会打印prof信息,保存的json文件名为:
{args.num_prompts}-{args.input_len}-{args.output_len}-{args.tensor_parallel_size}_dcu.json
server_prof
worker.py
bash
替换/usr/local/lib/python3.10/site-packages/vllm/worker/worker.py
#启动服务
loca_path为保存的json文件绝对路径
export VLLM_TORCH_PROFILER_DIR=$loca_path
vllm serve $MODEL_PATH --trust-remote-code --dtype $dtype --max-model-len $max_len -tp $tp --gpu-memory-utilization 0.97
#发送请求
#--distributed-executor-backend ray等其他参数根据实际情况添加
python benchmark_servein_0.6.2.py --backend vllm --ignore-eos --profile --dataset-name random --random-input-len $input_len --random-output-len $output_len --model $MODEL_PATH --num-prompts $num_prompts --endpoint /v1/completions
</pre>
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