Performance on Gorbunov_Alexeyhttps://gorbunovalexey.ru/en/tags/performance/Recent content in Performance on Gorbunov_AlexeyHugoenspi4kavg@yandex.ru (Writing stuff)spi4kavg@yandex.ru (Writing stuff)Fri, 30 Jan 2026 12:00:00 +0000Concurrency in Go: Channels vs Sync — When to Use Whichhttps://gorbunovalexey.ru/en/posts/konkurentnost-v-go-channels-vs-sync/Fri, 30 Jan 2026 12:00:00 +0000spi4kavg@yandex.ru (Writing stuff)https://gorbunovalexey.ru/en/posts/konkurentnost-v-go-channels-vs-sync/A complete guide to concurrency in Go: channels vs the sync package. We cover when to use channels and when to use a mutex. Worker pools, fan-out/fan-in, semaphore patterns. Performance benchmarks, race conditions and how to avoid them. Practical examples from production.