Implementation question: Can/do browsers make use of bloom filters in QSA?
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Replying to @briankardell
@briankardell It appears we use a bloom filter for at least for some CSS rule processing: http://dxr.mozilla.org/mozilla-central/source/layout/style/nsRuleProcessorData.h#72 … /@davidbaron2 replies 0 retweets 0 likes -
Replying to @wanderview
@wanderview@briankardell Looks like we don't use bloom filter for QSA, though I'm not sure.@bz_moz would know. Seems fixable.1 reply 0 retweets 0 likes -
Replying to @davidbaron
@davidbaron@wanderview@briankardell We don't. I tried it once and didn't get a noticeable win, iirc, but we should try measuring again.1 reply 0 retweets 0 likes -
Replying to @really_bz
@davidbaron@wanderview -@SimonSapin indicated otherwise. Confused :( i defer to the standard compendium of moz knowledge@bz_moz5 replies 0 retweets 0 likes -
Replying to @briankardell
@briankardell@davidbaron@wanderview@SimonSapin Also, easier to improve in a same-selector microbenchmark than in a real-life workload. :(1 reply 0 retweets 0 likes -
Replying to @really_bz
@briankardell Here's a bug to re-measure.@bz_moz offered to look next week. Thanks! https://bugzilla.mozilla.org/show_bug.cgi?id=1027978 … /@davidbaron@SimonSapin2 replies 0 retweets 0 likes -
Replying to @wanderview
@wanderview@bz_moz@davidbaron@SimonSapin i have a thing that makes heavy use of matchesSelector with N selectors over N elements1 reply 0 retweets 0 likes -
Replying to @briankardell
@briankardell@wanderview@davidbaron@SimonSapin Link please? I can measure this thing!1 reply 0 retweets 0 likes -
Replying to @really_bz
@bz_moz@wanderview@davidbaron@SimonSapin unposted poc currently..can work up a gist or something in the morning2 replies 0 retweets 0 likes
@briankardell @wanderview @davidbaron @SimonSapin That would be awesome. I can't really dig in until Monday, so not a huge rush.
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