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8059758: Footprint regressions with JDK-8038423 Summary: Changes in JDK-8038423 always initialize (zero out) virtual memory used for auxiliary data structures. This causes a footprint regression for G1 in startup benchmarks. This is because they do not touch that memory at all, so the operating system does not actually commit these pages. The fix is to, if the initialization value of the data structures matches the default value of just committed memory (=0), do not do anything. Reviewed-by: jwilhelm, brutisso
author tschatzl
date Fri, 10 Oct 2014 15:51:58 +0200
parents a49a647afe9a
children
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os_family = linux

arch = sparc

arch_model = sparc

os_arch = linux_sparc

os_arch_model = linux_sparc

lib_arch = sparc

compiler = gcc

sysdefs = -DLINUX -D_GNU_SOURCE -DSPARC