huff0: Check for zeros earlier in Scratch.countSimple #704
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v == 0 implies v <= m, so we can skip a CMOV in that case. Benchmarks show a tiny gain on most inputs and a large gain on the few with very small alphabets: name old speed new speed delta Compress1XReuseNone/digits-8 432MB/s ± 1% 434MB/s ± 1% ~ (p=0.023 n=14+35) Compress1XReuseNone/gettysburg-8 241MB/s ± 1% 242MB/s ± 1% +0.58% (p=0.000 n=14+34) Compress1XReuseNone/twain-8 352MB/s ± 1% 354MB/s ± 1% +0.62% (p=0.000 n=14+29) Compress1XReuseNone/low-ent.10k-8 460MB/s ± 2% 464MB/s ± 1% +0.92% (p=0.000 n=14+30) Compress1XReuseNone/superlow-ent-10k-8 304MB/s ± 1% 305MB/s ± 1% ~ (p=0.040 n=15+33) Compress1XReuseNone/crash2-8 10.6MB/s ± 1% 10.9MB/s ± 1% +3.28% (p=0.000 n=15+33) Compress1XReuseNone/endzerobits-8 13.1MB/s ± 4% 15.6MB/s ± 4% +19.15% (p=0.000 n=15+34) Compress1XReuseNone/endnonzero-8 7.26MB/s ± 2% 7.36MB/s ± 1% +1.44% (p=0.000 n=15+32) Compress1XReuseNone/case1-8 13.3MB/s ± 1% 13.4MB/s ± 1% +0.71% (p=0.000 n=15+35) Compress1XReuseNone/case2-8 11.1MB/s ± 1% 11.2MB/s ± 1% +0.57% (p=0.005 n=14+34) Compress1XReuseNone/case3-8 11.6MB/s ± 1% 11.8MB/s ± 2% +1.22% (p=0.000 n=15+34) Compress1XReuseNone/pngdata.001-8 298MB/s ± 1% 300MB/s ± 1% ~ (p=0.019 n=15+35) Compress1XReuseNone/normcount2-8 32.3MB/s ± 1% 32.7MB/s ± 1% +1.14% (p=0.000 n=15+34) Compress1XReuseAllow/digits-8 433MB/s ± 1% 436MB/s ± 1% +0.68% (p=0.000 n=15+33) Compress1XReuseAllow/gettysburg-8 269MB/s ± 1% 272MB/s ± 1% +1.26% (p=0.000 n=15+32) Compress1XReuseAllow/twain-8 361MB/s ± 1% 363MB/s ± 1% +0.47% (p=0.002 n=15+34) Compress1XReuseAllow/low-ent.10k-8 465MB/s ± 1% 466MB/s ± 1% ~ (p=0.155 n=15+34) Compress1XReuseAllow/superlow-ent-10k-8 303MB/s ± 1% 304MB/s ± 1% ~ (p=0.074 n=13+35) Compress1XReuseAllow/crash2-8 14.0MB/s ± 1% 14.7MB/s ± 1% +5.34% (p=0.000 n=15+35) Compress1XReuseAllow/endzerobits-8 13.9MB/s ± 4% 16.9MB/s ± 1% +21.23% (p=0.000 n=14+32) Compress1XReuseAllow/endnonzero-8 9.92MB/s ± 3% 10.97MB/s ± 2% +10.61% (p=0.000 n=15+31) Compress1XReuseAllow/case1-8 15.8MB/s ± 1% 16.0MB/s ± 2% +1.42% (p=0.000 n=15+33) Compress1XReuseAllow/case2-8 13.3MB/s ± 1% 13.5MB/s ± 1% +1.52% (p=0.000 n=14+32) Compress1XReuseAllow/case3-8 14.1MB/s ± 1% 14.2MB/s ± 2% +1.21% (p=0.001 n=15+34) Compress1XReuseAllow/pngdata.001-8 301MB/s ± 1% 301MB/s ± 1% ~ (p=0.948 n=15+34) Compress1XReuseAllow/normcount2-8 40.6MB/s ± 1% 41.4MB/s ± 1% +2.03% (p=0.000 n=15+31) Compress1XReusePrefer/digits-8 435MB/s ± 1% 437MB/s ± 2% ~ (p=0.046 n=15+34) Compress1XReusePrefer/gettysburg-8 420MB/s ± 2% 425MB/s ± 2% +1.25% (p=0.000 n=15+34) Compress1XReusePrefer/twain-8 363MB/s ± 1% 364MB/s ± 1% +0.43% (p=0.003 n=15+34) Compress1XReusePrefer/low-ent.10k-8 468MB/s ± 1% 469MB/s ± 1% ~ (p=0.029 n=15+34) Compress1XReusePrefer/superlow-ent-10k-8 308MB/s ± 1% 310MB/s ± 1% +0.66% (p=0.000 n=15+34) Compress1XReusePrefer/crash2-8 50.7MB/s ± 2% 61.5MB/s ± 2% +21.25% (p=0.000 n=14+33) Compress1XReusePrefer/endzerobits-8 19.0MB/s ± 1% 24.4MB/s ± 2% +28.68% (p=0.000 n=13+30) Compress1XReusePrefer/endnonzero-8 25.7MB/s ± 1% 33.1MB/s ± 1% +28.60% (p=0.000 n=14+32) Compress1XReusePrefer/case1-8 129MB/s ± 6% 149MB/s ± 6% +15.55% (p=0.000 n=15+35) Compress1XReusePrefer/case2-8 124MB/s ± 1% 143MB/s ± 1% +14.84% (p=0.000 n=14+30) Compress1XReusePrefer/case3-8 132MB/s ± 1% 154MB/s ± 1% +16.91% (p=0.000 n=15+34) Compress1XReusePrefer/pngdata.001-8 312MB/s ± 1% 312MB/s ± 1% ~ (p=0.936 n=14+28) Compress1XReusePrefer/normcount2-8 192MB/s ± 1% 207MB/s ± 1% +7.98% (p=0.000 n=14+34) Compress1XSizes/digits-100-8 59.2MB/s ± 1% 60.7MB/s ± 1% +2.56% (p=0.000 n=15+34) Compress1XSizes/digits-200-8 104MB/s ± 1% 107MB/s ± 1% +2.69% (p=0.000 n=15+32) Compress1XSizes/digits-500-8 195MB/s ± 1% 199MB/s ± 1% +2.04% (p=0.000 n=14+35) Compress1XSizes/digits-1000-8 278MB/s ± 1% 283MB/s ± 1% +1.55% (p=0.000 n=14+34) Compress1XSizes/digits-5000-8 416MB/s ± 1% 420MB/s ± 1% +0.82% (p=0.000 n=15+31) Compress1XSizes/digits-10000-8 440MB/s ± 1% 442MB/s ± 1% +0.50% (p=0.004 n=15+34) Compress1XSizes/digits-50000-8 434MB/s ± 1% 436MB/s ± 1% +0.44% (p=0.008 n=15+34)
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…7575) This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [github.com/klauspost/compress](https://togithub.com/klauspost/compress) | indirect | patch | `v1.15.11` -> `v1.15.15` | --- ### Release Notes <details> <summary>klauspost/compress</summary> ### [`v1.15.15`](https://togithub.com/klauspost/compress/releases/tag/v1.15.15) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.15.14...v1.15.15) ##### What's Changed - zstd: Add delta encoding support by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/728](https://togithub.com/klauspost/compress/pull/728) - huff0: Reduce bounds checking by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/734](https://togithub.com/klauspost/compress/pull/734) - huff0: Assembler improvements by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/736](https://togithub.com/klauspost/compress/pull/736) - deflate: Improve level 7-9 by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/739](https://togithub.com/klauspost/compress/pull/739) - gzhttp: Add SuffixETag() and DropETag() options to prevent ETag collisions on compressed responses by [@​willbicks](https://togithub.com/willbicks) in [https://github.com/klauspost/compress/pull/740](https://togithub.com/klauspost/compress/pull/740) - zstd: Don't allocate dataStorage when using byteBuf by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/741](https://togithub.com/klauspost/compress/pull/741) - huff0: Speed up compression of short blocks by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/744](https://togithub.com/klauspost/compress/pull/744) - zstd: Handle dicts by pointer, always by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/743](https://togithub.com/klauspost/compress/pull/743) - fse: Optimize compression by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/745](https://togithub.com/klauspost/compress/pull/745) - Retract v1.14.1-v.1.14.3 by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/742](https://togithub.com/klauspost/compress/pull/742) ##### New Contributors - [@​willbicks](https://togithub.com/willbicks) made their first contribution in [https://github.com/klauspost/compress/pull/740](https://togithub.com/klauspost/compress/pull/740) **Full Changelog**: klauspost/compress@v1.15.14...v1.15.15 ### [`v1.15.14`](https://togithub.com/klauspost/compress/releases/tag/v1.15.14) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.15.13...v1.15.14) #### What's Changed - flate: Improve speed in big stateless blocks. by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/718](https://togithub.com/klauspost/compress/pull/718) - zstd: Trigger BCE by switching on lengths by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/716](https://togithub.com/klauspost/compress/pull/716) - zstd: Shave some instructions off the amd64 asm by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/720](https://togithub.com/klauspost/compress/pull/720) - export NoGzipResponseWriter for custom ResponseWriter wrappers by [@​harshavardhana](https://togithub.com/harshavardhana) in [https://github.com/klauspost/compress/pull/722](https://togithub.com/klauspost/compress/pull/722) - s2: Add example for indexing and existing stream by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/723](https://togithub.com/klauspost/compress/pull/723) - tests: Tweak fuzz tests by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/719](https://togithub.com/klauspost/compress/pull/719) #### New Contributors - [@​harshavardhana](https://togithub.com/harshavardhana) made their first contribution in [https://github.com/klauspost/compress/pull/722](https://togithub.com/klauspost/compress/pull/722) **Full Changelog**: klauspost/compress@v1.15.13...v1.15.14 ### [`v1.15.13`](https://togithub.com/klauspost/compress/releases/tag/v1.15.13) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.15.12...v1.15.13) #### What's Changed - zstd: Add MaxEncodedSize to encoder by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/691](https://togithub.com/klauspost/compress/pull/691) - zstd: Improve "best" end search by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/693](https://togithub.com/klauspost/compress/pull/693) - zstd: Replace bytes.Equal with smaller comparisons by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/695](https://togithub.com/klauspost/compress/pull/695) - zstd: Faster CRC checking/skipping by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/696](https://togithub.com/klauspost/compress/pull/696) - zstd: Rewrite matchLen to make it inlineable by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/701](https://togithub.com/klauspost/compress/pull/701) - zstd: Write table clearing in a way that the compiler recognizes by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/702](https://togithub.com/klauspost/compress/pull/702) - zstd: Use individual reset threshold by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/703](https://togithub.com/klauspost/compress/pull/703) - huff0: Check for zeros earlier in Scratch.countSimple by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/704](https://togithub.com/klauspost/compress/pull/704) - zstd: Improve best compression's match selection by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/705](https://togithub.com/klauspost/compress/pull/705) - zstd: Select best match using selection trees by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/706](https://togithub.com/klauspost/compress/pull/706) - zstd: sync xxhash with final accepted patch upstream by [@​lizthegrey](https://togithub.com/lizthegrey) in [https://github.com/klauspost/compress/pull/707](https://togithub.com/klauspost/compress/pull/707) - zstd: Import xxhash v2.2.0 by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/708](https://togithub.com/klauspost/compress/pull/708) **Full Changelog**: klauspost/compress@v1.15.12...v1.15.13 ### [`v1.15.12`](https://togithub.com/klauspost/compress/releases/tag/v1.15.12) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.15.11...v1.15.12) ##### What's Changed - zstd: Tweak decoder allocs. by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/680](https://togithub.com/klauspost/compress/pull/680) - gzhttp: Always delete `HeaderNoCompression` by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/683](https://togithub.com/klauspost/compress/pull/683) **Full Changelog**: klauspost/compress@v1.15.11...v1.15.12 </details> --- ### Configuration 📅 **Schedule**: Branch creation - "before 3am on the first day of the month" (UTC), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://togithub.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNC4xMDkuMSIsInVwZGF0ZWRJblZlciI6IjM0LjEwOS4xIn0=-->
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Mar 1, 2023
This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [github.com/klauspost/compress](https://togithub.com/klauspost/compress) | indirect | minor | `v1.15.11` -> `v1.16.0` | --- ### ⚠ Dependency Lookup Warnings ⚠ Warnings were logged while processing this repo. Please check the Dependency Dashboard for more information. --- ### Release Notes <details> <summary>klauspost/compress</summary> ### [`v1.16.0`](https://togithub.com/klauspost/compress/releases/tag/v1.16.0) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.15.15...v1.16.0) #### What's Changed - s2: Add Dictionary support by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/685](https://togithub.com/klauspost/compress/pull/685) - s2: Add Compression Size Estimate by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/752](https://togithub.com/klauspost/compress/pull/752) - s2: Add support for custom stream encoder by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/755](https://togithub.com/klauspost/compress/pull/755) - s2: Add LZ4 block converter by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/748](https://togithub.com/klauspost/compress/pull/748) - s2: Support io.ReaderAt in ReadSeeker by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/747](https://togithub.com/klauspost/compress/pull/747) - s2c/s2sx: Use concurrent decoding by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/746](https://togithub.com/klauspost/compress/pull/746) - tests: Upgrade to Go 1.20 by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/749](https://togithub.com/klauspost/compress/pull/749) - Update all (command) dependencies by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/758](https://togithub.com/klauspost/compress/pull/758) **Full Changelog**: klauspost/compress@v1.15.15...v1.16.0 ### [`v1.15.15`](https://togithub.com/klauspost/compress/releases/tag/v1.15.15) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.15.14...v1.15.15) #### What's Changed - zstd: Add delta encoding support by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/728](https://togithub.com/klauspost/compress/pull/728) - huff0: Reduce bounds checking by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/734](https://togithub.com/klauspost/compress/pull/734) - huff0: Assembler improvements by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/736](https://togithub.com/klauspost/compress/pull/736) - deflate: Improve level 7-9 by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/739](https://togithub.com/klauspost/compress/pull/739) - gzhttp: Add SuffixETag() and DropETag() options to prevent ETag collisions on compressed responses by [@​willbicks](https://togithub.com/willbicks) in [https://github.com/klauspost/compress/pull/740](https://togithub.com/klauspost/compress/pull/740) - zstd: Don't allocate dataStorage when using byteBuf by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/741](https://togithub.com/klauspost/compress/pull/741) - huff0: Speed up compression of short blocks by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/744](https://togithub.com/klauspost/compress/pull/744) - zstd: Handle dicts by pointer, always by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/743](https://togithub.com/klauspost/compress/pull/743) - fse: Optimize compression by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/745](https://togithub.com/klauspost/compress/pull/745) - Retract v1.14.1-v.1.14.3 by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/742](https://togithub.com/klauspost/compress/pull/742) #### New Contributors - [@​willbicks](https://togithub.com/willbicks) made their first contribution in [https://github.com/klauspost/compress/pull/740](https://togithub.com/klauspost/compress/pull/740) **Full Changelog**: klauspost/compress@v1.15.14...v1.15.15 ### [`v1.15.14`](https://togithub.com/klauspost/compress/releases/tag/v1.15.14) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.15.13...v1.15.14) #### What's Changed - flate: Improve speed in big stateless blocks. by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/718](https://togithub.com/klauspost/compress/pull/718) - zstd: Trigger BCE by switching on lengths by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/716](https://togithub.com/klauspost/compress/pull/716) - zstd: Shave some instructions off the amd64 asm by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/720](https://togithub.com/klauspost/compress/pull/720) - export NoGzipResponseWriter for custom ResponseWriter wrappers by [@​harshavardhana](https://togithub.com/harshavardhana) in [https://github.com/klauspost/compress/pull/722](https://togithub.com/klauspost/compress/pull/722) - s2: Add example for indexing and existing stream by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/723](https://togithub.com/klauspost/compress/pull/723) - tests: Tweak fuzz tests by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/719](https://togithub.com/klauspost/compress/pull/719) #### New Contributors - [@​harshavardhana](https://togithub.com/harshavardhana) made their first contribution in [https://github.com/klauspost/compress/pull/722](https://togithub.com/klauspost/compress/pull/722) **Full Changelog**: klauspost/compress@v1.15.13...v1.15.14 ### [`v1.15.13`](https://togithub.com/klauspost/compress/releases/tag/v1.15.13) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.15.12...v1.15.13) #### What's Changed - zstd: Add MaxEncodedSize to encoder by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/691](https://togithub.com/klauspost/compress/pull/691) - zstd: Improve "best" end search by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/693](https://togithub.com/klauspost/compress/pull/693) - zstd: Replace bytes.Equal with smaller comparisons by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/695](https://togithub.com/klauspost/compress/pull/695) - zstd: Faster CRC checking/skipping by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/696](https://togithub.com/klauspost/compress/pull/696) - zstd: Rewrite matchLen to make it inlineable by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/701](https://togithub.com/klauspost/compress/pull/701) - zstd: Write table clearing in a way that the compiler recognizes by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/702](https://togithub.com/klauspost/compress/pull/702) - zstd: Use individual reset threshold by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/703](https://togithub.com/klauspost/compress/pull/703) - huff0: Check for zeros earlier in Scratch.countSimple by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/704](https://togithub.com/klauspost/compress/pull/704) - zstd: Improve best compression's match selection by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/705](https://togithub.com/klauspost/compress/pull/705) - zstd: Select best match using selection trees by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/706](https://togithub.com/klauspost/compress/pull/706) - zstd: sync xxhash with final accepted patch upstream by [@​lizthegrey](https://togithub.com/lizthegrey) in [https://github.com/klauspost/compress/pull/707](https://togithub.com/klauspost/compress/pull/707) - zstd: Import xxhash v2.2.0 by [@​greatroar](https://togithub.com/greatroar) in [https://github.com/klauspost/compress/pull/708](https://togithub.com/klauspost/compress/pull/708) **Full Changelog**: klauspost/compress@v1.15.12...v1.15.13 ### [`v1.15.12`](https://togithub.com/klauspost/compress/releases/tag/v1.15.12) [Compare Source](https://togithub.com/klauspost/compress/compare/v1.15.11...v1.15.12) #### What's Changed - zstd: Tweak decoder allocs. by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/680](https://togithub.com/klauspost/compress/pull/680) - gzhttp: Always delete `HeaderNoCompression` by [@​klauspost](https://togithub.com/klauspost) in [https://github.com/klauspost/compress/pull/683](https://togithub.com/klauspost/compress/pull/683) **Full Changelog**: klauspost/compress@v1.15.11...v1.15.12 </details> --- ### Configuration 📅 **Schedule**: Branch creation - "before 3am on the first day of the month" (UTC), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. 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v == 0 implies v <= m, so we can skip a CMOV in that case. Benchmarks show a tiny gain on most inputs and a large gain on the few with very small alphabets: