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alexg-remove-HEAD-1
alexg/fix-fallback-scrape
alexg/settable-user-agent
allow-swappable-engine
arct2
arthursens/appendct-prwv2
arthursens/ct-in-wal
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beorn7/polymorphism
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bp/append-docs
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cedwards/nhcb-wal-wbl
cedwards/ooo-native-histograms-promql-tests
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dependabot/go_modules/github.com/fsnotify/fsnotify-1.8.0
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${ noResults }
prometheus/model/histogram
Filip Petkovski
583f3e587c
Optimize histogram iterators Histogram iterators allocate new objects in the AtHistogram and AtFloatHistogram methods, which makes calculating rates over long ranges expensive. In #13215 we allowed an existing object to be reused when converting an integer histogram to a float histogram. This commit follows the same idea and allows injecting an existing object in the AtHistogram and AtFloatHistogram methods. When the injected value is nil, iterators allocate new histograms, otherwise they populate and return the injected object. The commit also adds a CopyTo method to Histogram and FloatHistogram which is used in the BufferedIterator to overwrite items in the ring instead of making new copies. Note that a specialized HPoint pool is needed for all of this to work (`matrixSelectorHPool`). --------- Signed-off-by: Filip Petkovski <filip.petkovsky@gmail.com> Co-authored-by: George Krajcsovits <krajorama@users.noreply.github.com> |
10 months ago | |
|---|---|---|
| .. | ||
| float_histogram.go | Optimize histogram iterators (#13340) | 10 months ago |
| float_histogram_test.go | Optimize histogram iterators (#13340) | 10 months ago |
| generic.go | Reuse slices in [Float]Histogram.ReduceResolution | 1 year ago |
| generic_test.go | fix slice copy in 1.20 (#13389) | 10 months ago |
| histogram.go | Optimize histogram iterators (#13340) | 10 months ago |
| histogram_test.go | Optimize histogram iterators (#13340) | 10 months ago |
| test_utils.go | Move histogram validation code to model/histogram | 1 year ago |