ifwith_syncandtorch.cuda.is_available():torch.cuda.synchronize()elapsed=time.perf_counter()-start_timeifcount>=warmup_interval:pure_inf_time+=elapsedcls.names[func.__name__]['pure_inf_time']=pure_inf_timeifcount%log_interval==0:times_per_count=1000*pure_inf_time/(count-warmup_interval...
while True:# 处理事件for event in pygame.event.get():if event.type == pygame.QUIT: # 退出程序pygame.quit()sys.exit()elif event.type == pygame.KEYDOWN:if event.key == pygame.K_q: # 按下 'q' 键退出程序pygame.quit()sys.exit()elapsed_time = pygame.time.get_ticks() - start_...
两者都差不多（process_time略少，还算正常)，当我用3个线程分别计算md5、sha1、sha256时，Elapsed t...
elapsed_time=time.time()-start_time# 计算经过的时间ifelapsed_time>=1:# 每秒更新一次fps=frame_count/elapsed_time# 计算FPSprint(f'FPS:{fps}')# 打印FPSstart_time=time.time()# 重置开始时间frame_count=0# 重置帧计数器cv2.imshow("Video Feed",frame)# 显示视频帧ifcv2.waitKey(1)&0xFF==ord...
def timer_countdown(self): start_time = time.time() while True: current_time = time.time() elapsed_time = current_time - start_time remaining_time = expiration_time - elapsed_time if self.stop_timer: break if remaining_time <= 0: ...
t = Timer(time.process_time)witht: countdown(1000000)print(t.elapsed)# 0.05993699999999999 2.2 分析单条代码片段 如果要对短小的代码片段做性能统计,timeit模块会很有帮助。示例如下: fromtimeitimporttimeitprint(timeit("math.sqrt(2)","import math"))# 0.07840395799999997print(timeit("sqrt(2)","from ma...
elapsed=time.time()-t1 msg='\n{} flags downloaded in {:.2f}s' print(msg.format(count,elapsed)) if __name__=="__main__": main(download_many) 在这里我们用yield from aiohttp.ClientSession().get(url) 代替了request函数。因为request函数是个IO阻塞型的函数。注意aiohttp必须要安装才能使用。
1. 使用time模块计算帧率 Python的time模块提供了一种简单的方法来计算帧率。我们可以使用time.time()函数获取当前时间戳,并在每一帧绘制完成后计算时间差,从而得出帧率。 importtime frame_count=0start_time=time.time()whileTrue:# 绘制帧的代码# 计算帧率frame_count+=1current_time=time.time()elapsed_time=...
s=time.perf_counter()asyncio.run(main())elapsed=time.perf_counter()-sprint(f"{__file__} executed in {elapsed:0.2f} seconds.") 执行结果: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 One One One Two Two Twoe:\countasync.py executedin1.01seconds. ...
import time import functools def clockfunc: @functools(func) def clocked(*args, **kwargs): t0 = time.perf_counter) result = func(*args, **kwargs) elapsed = timeperf_counter() - t0 name = func.__name__ arg_lst = [repr(arg for arg in args] arg_lst.extendf'{k}={v!