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don't decommit/reset parts of a region when using large os pages

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This commit is contained in:
daan 2019-07-15 10:04:43 -07:00
parent beef7a8c70
commit d706109b35
1 changed files with 7 additions and 5 deletions
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12
src/memory.c
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@ -312,11 +312,13 @@ void _mi_mem_free(void* p, size_t size, size_t id, mi_stats_t* stats) {
// TODO: implement delayed decommit/reset as these calls are too expensive
// if the memory is reused soon.
// reset: 10x slowdown on malloc-large, decommit: 17x slowdown on malloc-large
if (mi_option_is_enabled(mi_option_eager_region_commit)) {
_mi_os_reset(p, size, stats); // 10x slowdown on malloc-large
}
else {
_mi_os_decommit(p, size, stats); // 17x slowdown on malloc-large
if (!mi_option_is_enabled(mi_option_large_os_pages)) {
if (mi_option_is_enabled(mi_option_eager_region_commit)) {
_mi_os_reset(p, size, stats); // 10x slowdown on malloc-large
}
else {
_mi_os_decommit(p, size, stats); // 17x slowdown on malloc-large
}
}
// TODO: should we free empty regions?