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zstd: Use individual reset threshold #703

Merged
merged 4 commits into from Nov 30, 2022
Merged

zstd: Use individual reset threshold #703

merged 4 commits into from Nov 30, 2022

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klauspost
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@klauspost klauspost commented Nov 30, 2022

Instead of setting the limit to the largest window size, set it to the chosen one.

Mainly faster on small independent encodes:

λ benchcmp before.txt after.txt
benchmark                                         old ns/op     new ns/op     delta
BenchmarkEncoder_EncodeAllSimple4K/fastest-32     3145          3133          -0.38%
BenchmarkEncoder_EncodeAllSimple4K/default-32     41485         40624         -2.08%
BenchmarkEncoder_EncodeAllSimple4K/better-32      49352         49197         -0.31%
BenchmarkEncoder_EncodeAllSimple4K/best-32        421522        407392        -3.35%

benchmark                                         old MB/s     new MB/s     speedup
BenchmarkEncoder_EncodeAllSimple4K/fastest-32     1302.48      1307.39      1.00x
BenchmarkEncoder_EncodeAllSimple4K/default-32     98.74        100.83       1.02x
BenchmarkEncoder_EncodeAllSimple4K/better-32      83.00        83.26        1.00x
BenchmarkEncoder_EncodeAllSimple4K/best-32        9.72         10.05        1.03x

Instead of setting the limit to the largest window size, set it to the chosen one.

```
λ benchcmp before.txt after.txt
benchmark                                         old ns/op     new ns/op     delta
BenchmarkEncoder_EncodeAllSimple4K/fastest-32     3145          3133          -0.38%
BenchmarkEncoder_EncodeAllSimple4K/default-32     41485         40624         -2.08%
BenchmarkEncoder_EncodeAllSimple4K/better-32      49352         49197         -0.31%
BenchmarkEncoder_EncodeAllSimple4K/best-32        421522        407392        -3.35%

benchmark                                         old MB/s     new MB/s     speedup
BenchmarkEncoder_EncodeAllSimple4K/fastest-32     1302.48      1307.39      1.00x
BenchmarkEncoder_EncodeAllSimple4K/default-32     98.74        100.83       1.02x
BenchmarkEncoder_EncodeAllSimple4K/better-32      83.00        83.26        1.00x
BenchmarkEncoder_EncodeAllSimple4K/best-32        9.72         10.05        1.03x
```
@klauspost
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Fuzz testing not success.

@klauspost
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Stable after 4h fuzz testing.

@klauspost klauspost merged commit dfaad36 into master Nov 30, 2022
@klauspost klauspost deleted the zstd-less-resets branch November 30, 2022 17:20
@greatroar
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Nice!

kodiakhq bot pushed a commit to cloudquery/cloudquery that referenced this pull request Feb 1, 2023
…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 [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#728
-   huff0: Reduce bounds checking by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#734
-   huff0: Assembler improvements by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#736
-   deflate: Improve level 7-9 by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#739
-   gzhttp: Add SuffixETag() and DropETag() options to prevent ETag collisions on compressed responses by [@&#8203;willbicks](https://togithub.com/willbicks) in [klauspost/compress#740
-   zstd: Don't allocate dataStorage when using byteBuf by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#741
-   huff0: Speed up compression of short blocks by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#744
-   zstd: Handle dicts by pointer, always by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#743
-   fse: Optimize compression by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#745
-   Retract v1.14.1-v.1.14.3 by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#742

##### New Contributors

-   [@&#8203;willbicks](https://togithub.com/willbicks) made their first contribution in [klauspost/compress#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 [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#718
-   zstd: Trigger BCE by switching on lengths by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#716
-   zstd: Shave some instructions off the amd64 asm by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#720
-   export NoGzipResponseWriter for custom ResponseWriter wrappers by [@&#8203;harshavardhana](https://togithub.com/harshavardhana) in [klauspost/compress#722
-   s2: Add example for indexing and existing stream by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#723
-   tests: Tweak fuzz tests by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#719

#### New Contributors

-   [@&#8203;harshavardhana](https://togithub.com/harshavardhana) made their first contribution in [klauspost/compress#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 [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#691
-   zstd: Improve "best" end search by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#693
-   zstd: Replace bytes.Equal with smaller comparisons by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#695
-   zstd: Faster CRC checking/skipping by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#696
-   zstd: Rewrite matchLen to make it inlineable by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#701
-   zstd: Write table clearing in a way that the compiler recognizes by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#702
-   zstd: Use individual reset threshold by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#703
-   huff0: Check for zeros earlier in Scratch.countSimple by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#704
-   zstd: Improve best compression's match selection by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#705
-   zstd: Select best match using selection trees by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#706
-   zstd: sync xxhash with final accepted patch upstream by [@&#8203;lizthegrey](https://togithub.com/lizthegrey) in [klauspost/compress#707
-   zstd: Import xxhash v2.2.0 by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#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 [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#680
-   gzhttp: Always delete `HeaderNoCompression` by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#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.

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---

This PR has been generated by [Renovate Bot](https://togithub.com/renovatebot/renovate).
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kodiakhq bot pushed a commit to cloudquery/filetypes that referenced this pull request 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 [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#685
-   s2: Add Compression Size Estimate by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#752
-   s2: Add support for custom stream encoder by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#755
-   s2: Add LZ4 block converter by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#748
-   s2: Support io.ReaderAt in ReadSeeker by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#747
-   s2c/s2sx: Use concurrent decoding by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#746
-   tests: Upgrade to Go 1.20 by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#749
-   Update all (command) dependencies by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#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 [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#728
-   huff0: Reduce bounds checking by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#734
-   huff0: Assembler improvements by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#736
-   deflate: Improve level 7-9 by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#739
-   gzhttp: Add SuffixETag() and DropETag() options to prevent ETag collisions on compressed responses by [@&#8203;willbicks](https://togithub.com/willbicks) in [klauspost/compress#740
-   zstd: Don't allocate dataStorage when using byteBuf by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#741
-   huff0: Speed up compression of short blocks by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#744
-   zstd: Handle dicts by pointer, always by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#743
-   fse: Optimize compression by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#745
-   Retract v1.14.1-v.1.14.3 by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#742

#### New Contributors

-   [@&#8203;willbicks](https://togithub.com/willbicks) made their first contribution in [klauspost/compress#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 [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#718
-   zstd: Trigger BCE by switching on lengths by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#716
-   zstd: Shave some instructions off the amd64 asm by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#720
-   export NoGzipResponseWriter for custom ResponseWriter wrappers by [@&#8203;harshavardhana](https://togithub.com/harshavardhana) in [klauspost/compress#722
-   s2: Add example for indexing and existing stream by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#723
-   tests: Tweak fuzz tests by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#719

#### New Contributors

-   [@&#8203;harshavardhana](https://togithub.com/harshavardhana) made their first contribution in [klauspost/compress#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 [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#691
-   zstd: Improve "best" end search by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#693
-   zstd: Replace bytes.Equal with smaller comparisons by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#695
-   zstd: Faster CRC checking/skipping by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#696
-   zstd: Rewrite matchLen to make it inlineable by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#701
-   zstd: Write table clearing in a way that the compiler recognizes by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#702
-   zstd: Use individual reset threshold by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#703
-   huff0: Check for zeros earlier in Scratch.countSimple by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#704
-   zstd: Improve best compression's match selection by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#705
-   zstd: Select best match using selection trees by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#706
-   zstd: sync xxhash with final accepted patch upstream by [@&#8203;lizthegrey](https://togithub.com/lizthegrey) in [klauspost/compress#707
-   zstd: Import xxhash v2.2.0 by [@&#8203;greatroar](https://togithub.com/greatroar) in [klauspost/compress#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 [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#680
-   gzhttp: Always delete `HeaderNoCompression` by [@&#8203;klauspost](https://togithub.com/klauspost) in [klauspost/compress#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:eyJjcmVhdGVkSW5WZXIiOiIzNC4xMDkuMSIsInVwZGF0ZWRJblZlciI6IjM0LjE1NC4wIn0=-->
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