Concurrency & performance
asyncio, threading, multiprocessing, and profiling-friendly performance patterns.
How to Use a Bounded Buffer with threading.Condition in Python
Implement a thread-safe bounded buffer using threading.Condition and show a producer–consumer example with exact output.
import threading
import time
import random
class BoundedBuffer:
def __init__(self, capacity):
self.capacity = capacity
self.buffer = []
self.condition = threading.Condition()
def put(self, item):
with self.condition:
while len(self.buffer) >= self.capacity:
…asyncio Condition wait notify pattern in Python
Coordinate coroutines with asyncio.Condition: workers wait for notifications and the main task notifies one or all of them.
import asyncio
async def worker(condition, name):
async with condition:
print(f"{name} waiting...")
await condition.wait()
print(f"{name} notified!")
async def main():
condition = asyncio.Condition()
tasks = [asyncio.create_task(worker(condition, f"worker-{i}")) for i in range(3…Browse by section
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Concurrency & performance — Python code examples
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