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Prefetch more during find_comp_and_incorporate_cnt #75

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Prefetch more during find_comp_and_incorporate_cnt #75

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3 changes: 3 additions & 0 deletions src/comp_cache.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,10 @@ class CompCache final: public CompCacheIF {
uint32_t table_ofs = (uint32_t)comp.get_hashkey() & tbl_size_mask;
CacheEntryID act_id = table[table_ofs];
if (!act_id) return false;

// LINEAR PROBING through collision chain
while(act_id){
__builtin_prefetch(entry_base.data() + entry(act_id).next_bucket_element());
if (entry(act_id).equals(comp)) {
stats.incorporate_cache_hit(nvars);
switch(conf.cache_time_update) {
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