Commits on Feb 4, 2022

1. regexp-filter: improve benchmark …

   Add a few more cases based on real-world usage.
   
   Also simplify the loop to just run the number of times requested.
   Go benchmarks run 'N' times to reach a duration, default 1 second.
   Previously the benchmark was running N*1000000 times, which
   took 7 seconds minimum for some cases.

   

   bboreham committed Feb 4, 2022
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2. regexp filter: use modified package with optimisations …

   See https://github.com/grafana/regexp/tree/speedup#readme
   
   Includes the following changes proposed upstream:
   * [regexp: allow patterns with no alternates to be one-pass](https://go-review.googlesource.com/c/go/+/353711)
   * [regexp: speed up onepass prefix check](https://go-review.googlesource.com/c/go/+/354909)
   * [regexp: handle prefix string with fold-case](https://go-review.googlesource.com/c/go/+/358756)
   * [regexp: avoid copying each instruction executed](https://go-review.googlesource.com/c/go/+/355789)
   * [regexp: allow prefix string anchored at beginning](https://go-review.googlesource.com/c/go/+/377294)

   

   bboreham committed Feb 4, 2022
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3. Add grafana/regexp to vendor directory

   

   bboreham committed Feb 4, 2022
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