jackfrued / jackfrued/Python-100-Days
day13 例子2计时问题
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Description
在启动8个进程统计时间这块有点问题
# 启动8个进程将数据切片后进行运算
for _ in range(8):
p = Process(target=task_handler,
args=(number_list[index:index + 12500000], result_queue))
index += 12500000
processes.append(p)
p.start()
# 开始记录所有进程执行完成花费的时间
start = time()
for p in processes:
p.join()
# 合并执行结果
total = 0
调用process.start()的时候，就已经开始计算了，所以已经把p.start调用放在start = time()统计时间的后面，不然统计时间有问题的。
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- Read the whole issue, then the project's contributing guide.
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Research direction
Open the Day 13 Example 2 notebook and inspect the multiprocessing timing block shown in the issue. Check when the timer starts relative to process.start() and process.join(); done means the measured interval covers the complete process execution, including startup, and the example remains runnable.
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Assessment
- Tech stack
- python
- Domain
- performance
- Issue type
- Bug
- Difficulty
- 1/5
- Estimated time
- Under an hour
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 45/100