在Ubuntu上提升Python运行效率,可以采取以下几种方法:
python3 -m venv myenv
source myenv/bin/activate
pip install -r requirements.txt
sudo apt update
sudo apt install pypy3
threading模块进行I/O密集型任务。import threading
def task():
# 任务代码
threads = []
for i in range(5):
t = threading.Thread(target=task)
threads.append(t)
t.start()
for t in threads:
t.join()
multiprocessing模块进行CPU密集型任务。from multiprocessing import Pool
def task(x):
return x * x
if __name__ == '__main__':
with Pool(4) as p:
results = p.map(task, range(10))
pip install cython
# example.pyx
def fib(int n):
cdef int a = 0
cdef int b = 1
cdef int i
for i in range(n):
a, b = b, a + b
return a
setup.py文件并运行python setup.py build_ext --inplace。pip install numpy pandas
lru_cache进行缓存。from functools import lru_cache
@lru_cache(maxsize=None)
def fibonacci(n):
if n < 2:
return n
return fibonacci(n-1) + fibonacci(n-2)
python -m cProfile script.py
pip install line_profiler
然后在代码中使用@profile装饰器。asyncio进行异步编程。import asyncio
async def task():
await asyncio.sleep(1)
return "Done"
async def main():
tasks = [task() for _ in range(5)]
results = await asyncio.gather(*tasks)
print(results)
asyncio.run(main())
通过以上方法,你可以在Ubuntu上显著提升Python程序的运行效率。