Zhihao Du
2023-03-16 38de2af5bf9976d2f14f087d9a0d31991daf6783
egs_modelscope/asr/paraformer/speech_paraformer-large_asr_nat-zh-cn-16k-aishell1-vocab8404-pytorch/infer.py
@@ -8,9 +8,14 @@
from funasr.utils.compute_wer import compute_wer
def modelscope_infer_core(output_dir, split_dir, njob, idx):
def modelscope_infer_core(output_dir, split_dir, njob, idx, batch_size, ngpu, model):
    output_dir_job = os.path.join(output_dir, "output.{}".format(idx))
    gpu_id = (int(idx) - 1) // njob
    if ngpu > 0:
        use_gpu = 1
        gpu_id = int(idx) - 1
    else:
        use_gpu = 0
        gpu_id = -1
    if "CUDA_VISIBLE_DEVICES" in os.environ.keys():
        gpu_list = os.environ['CUDA_VISIBLE_DEVICES'].split(",")
        os.environ['CUDA_VISIBLE_DEVICES'] = str(gpu_list[gpu_id])
@@ -18,9 +23,10 @@
        os.environ['CUDA_VISIBLE_DEVICES'] = str(gpu_id)
    inference_pipline = pipeline(
        task=Tasks.auto_speech_recognition,
        model="damo/speech_paraformer-large_asr_nat-zh-cn-16k-aishell1-vocab8404-pytorch",
        model=model,
        output_dir=output_dir_job,
        batch_size=64
        batch_size=batch_size,
        ngpu=use_gpu,
    )
    audio_in = os.path.join(split_dir, "wav.{}.scp".format(idx))
    inference_pipline(audio_in=audio_in)
@@ -30,13 +36,18 @@
    # prepare for multi-GPU decoding
    ngpu = params["ngpu"]
    njob = params["njob"]
    batch_size = params["batch_size"]
    output_dir = params["output_dir"]
    model = params["model"]
    if os.path.exists(output_dir):
        shutil.rmtree(output_dir)
    os.mkdir(output_dir)
    split_dir = os.path.join(output_dir, "split")
    os.mkdir(split_dir)
    nj = ngpu * njob
    if ngpu > 0:
        nj = ngpu
    elif ngpu == 0:
        nj = njob
    wav_scp_file = os.path.join(params["data_dir"], "wav.scp")
    with open(wav_scp_file) as f:
        lines = f.readlines()
@@ -56,7 +67,7 @@
    p = Pool(nj)
    for i in range(nj):
        p.apply_async(modelscope_infer_core,
                      args=(output_dir, split_dir, njob, str(i + 1)))
                      args=(output_dir, split_dir, njob, str(i + 1), batch_size, ngpu, model))
    p.close()
    p.join()
@@ -81,8 +92,10 @@
if __name__ == "__main__":
    params = {}
    params["model"] = "damo/speech_paraformer-large_asr_nat-zh-cn-16k-aishell1-vocab8404-pytorch"
    params["data_dir"] = "./data/test"
    params["output_dir"] = "./results"
    params["ngpu"] = 1
    params["njob"] = 1
    modelscope_infer(params)
    params["ngpu"] = 1 # if ngpu > 0, will use gpu decoding
    params["njob"] = 1 # if ngpu = 0, will use cpu decoding
    params["batch_size"] = 64
    modelscope_infer(params)