benchmark.py 文件源码

def benchmark_screed(fn):
    import screed
    total_seq = int(0)
    t0 = time.time()
    it = screed.open(fn)
    for i, e in enumerate(it):
        total_seq += len(e.sequence)
        if i % REFRESH_RATE == 0:
            t1 = time.time()
            print('\r%.2fMB/s' % (total_seq/(1E6)/(t1-t0)), end='', flush=True)
    print()
    print('%i entries' % (i+1))