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-march=native to the people! BTW, does anyone know whether the jvm compiles java code with processor-specific instructions i.e. beyond the common denominator a

by tormeh 11y ago

-march=native to the people! BTW, does anyone know whether the jvm compiles java code with processor-specific instructions i.e. beyond the common denominator amd64?

deleted 11y ago
[deleted]
papercrane 11y ago
Yes. For example, the hotspot VM can make use of AVX and AVX2 instructions if supported by the CPU. http://hg.openjdk.java.net/jdk8/jdk8/hotspot/file/87ee5ee27509/src/cpu/x86/vm/assembler_x86.cpp http://hg.openjdk.java.net/jdk8/jdk8/hotspot/file/87ee5ee275...