JIT Compilation
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Core Java

The Observer Effect in JVM Profiling
Attach a profiler to see what the JIT is really doing, and you’ve just changed what the JIT does. On…
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Software Development

Escape Analysis and Scalar Replacement: Why Some Objects Never Touch the Heap
Small, verifiable before and after code examples showing what helps, or defeats, the JIT’s ability to keep an object off…
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Core Java

How the JVM Decides What to Compile: Inside the JIT Tier System and Profiling Pipeline
A conceptual walkthrough of C1, C2, tiered compilation, and why the JVM’s optimizer knows more about your code than you…
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PHP

PHP 8.x: Exploring JIT Compilation and Performance Boosts
PHP 8.x introduced a groundbreaking feature: Just-In-Time (JIT) Compilation. Designed to enhance performance, JIT changes how PHP executes code, making…
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