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3 articles

CPU Pipeline Stalls: Identifying Cache Misses in Java

CPU Pipeline Stalls: The Hidden Bottleneck When your Java code runs slower than expected, it is often because of "Stalls." The CPU pipeline flushes because it couldn't fetch data from the cache in time. 1. Cache Lines (6…

Apr 20, 20261 min read

Deep DiveAdvanced Java Mastery

#java#performance#cpu

JavaExpert

Hardware-Aware Programming: Optimizing for Modern CPUs

Hardware-Aware Programming In high-frequency environments, the efficiency of your code is dictated by the hardware. 1. NUMA Nodes Modern servers have multiple CPUs with local RAM (Non-Uniform Memory Access). If your thre…

Apr 20, 20261 min read

Deep DiveAdvanced Java Mastery

#java#hardware#cpu

JavaExpert

Hardware-Level False Sharing: Designing High-Speed Java Objects

False Sharing: The Ghost in the Machine Multi-threaded Java code is often throttled not by the code, but by the CPU's memory architecture. 1. Cache Lines The CPU loads data from RAM in 64-byte chunks called Cache Lines.…

Apr 20, 20261 min read

Deep DiveAdvanced Java Mastery

#java#performance#cpu