"Kevin Grittner" <kevin.gritt...@wicourts.gov> wrote: > samples % image name symbol name > 495463 3.6718 postgres hash_search_with_hash_value When lines like these show up in the annotated version, I'm impressed that we're still finding gains as big as we are: 44613 0.3306 : if (segp == NULL) : hash_corrupted(hashp); 101910 0.7552 : keysize = hashp->keysize; /* ditto */ There goes over 1% of my server run time, right there! Of course, these make no sense unless there is cache line contention, which is why that area is bearing fruit. -Kevin
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