https://www.pistack.xyz/tags/high-performance/ Recent content in High-Performance on Pi Stack Hugo en-us Tue, 02 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-02-memory-allocators-jemalloc-tcmalloc-mimalloc-guide/ Tue, 02 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-02-memory-allocators-jemalloc-tcmalloc-mimalloc-guide/ <h2 id="introduction">Introduction</h2> <p>When running production workloads on Linux servers, the default glibc <code>malloc</code> implementation often becomes a bottleneck. Database engines, web servers, caching systems, and high-throughput applications can see dramatic performance improvements — often 10-30% — simply by switching the memory allocator. This article compares three battle-tested alternatives: <strong>jemalloc</strong>, <strong>tcmalloc</strong>, and <strong>mimalloc</strong>.</p>