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set better default options for performance

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This commit is contained in:
daan 2019-07-15 13:19:26 -07:00
parent 0196622fff
commit ea9dbd1036
5 changed files with 25 additions and 6 deletions
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4
src/memory.c
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@ -314,10 +314,10 @@ void _mi_mem_free(void* p, size_t size, size_t id, mi_stats_t* stats) {
// reset: 10x slowdown on malloc-large, decommit: 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
//_mi_os_reset(p, size, stats); // 10x slowdown on malloc-large
}
else {
_mi_os_decommit(p, size, stats); // 17x slowdown on malloc-large
//_mi_os_decommit(p, size, stats); // 17x slowdown on malloc-large
}
}

4
src/options.c
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@ -34,8 +34,8 @@ typedef struct mi_option_desc_s {
static mi_option_desc_t options[_mi_option_last] = {
{ 0, UNINIT, "page_reset" },
{ 0, UNINIT, "cache_reset" },
{ 0, UNINIT, "eager_commit" },
{ 0, UNINIT, "eager_region_commit" },
{ 1, UNINIT, "eager_commit" },
{ 1, UNINIT, "eager_region_commit" },
{ 0, UNINIT, "large_os_pages" }, // use large OS pages, use only with eager commit to prevent fragmentation of VMA's
{ 0, UNINIT, "reset_decommits" },
{ 0, UNINIT, "reset_discards" },