[PR #427] [MERGED] Add backward reference research tools to brotli repository. #1040

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claunia · 2026-01-29T20:52:15Z

claunia commented

2026-01-29 20:52:15 +00:00

📋 Pull Request Information

Original PR: https://github.com/google/brotli/pull/427
Author: @Zip753
Created: 9/15/2016
Status: ✅ Merged
Merged: 9/20/2016
Merged by: @eustas

Base: master ← Head: master

📝 Commits (5)

58cecf1 Add distance encoding research tools.
9589396 Add description of research tools.
0e52c59 Update variable naming.
4291932 Update research tools description.
9294022 Replace sais.hxx by submodule hillbig/esaxx.

📊 Changes

11 files changed (+576 additions, -0 deletions)

View changed files

📝 .gitmodules (+3 -0)
➕ research/Makefile (+17 -0)
➕ research/README.md (+67 -0)
➕ research/draw_diff.cc (+104 -0)
➕ research/draw_histogram.cc (+197 -0)
➕ research/esaxx (+1 -0)
➕ research/find_opt_references.cc (+147 -0)
➕ research/img/enwik9_brotli.png (+0 -0)
➕ research/img/enwik9_diff.png (+0 -0)
➕ research/img/enwik9_opt.png (+0 -0)
➕ research/read_dist.h (+40 -0)

📄 Description

This is a small set of simple tools used together with large-window brotli to visualize backward reference distance distribution. You can find a description here.

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/google/brotli/pull/427 **Author:** [@Zip753](https://github.com/Zip753) **Created:** 9/15/2016 **Status:** ✅ Merged **Merged:** 9/20/2016 **Merged by:** [@eustas](https://github.com/eustas) **Base:** `master` ← **Head:** `master` --- ### 📝 Commits (5) - [`58cecf1`](https://github.com/google/brotli/commit/58cecf1783c1a814f282f859609721fefebf74aa) Add distance encoding research tools. - [`9589396`](https://github.com/google/brotli/commit/9589396e5dcca3fd16f568ff93d99124fd0eed2e) Add description of research tools. - [`0e52c59`](https://github.com/google/brotli/commit/0e52c59a07c62c537183a7848244037fe8172930) Update variable naming. - [`4291932`](https://github.com/google/brotli/commit/4291932022e67a4d0b9a2b8cedd011ef574f9861) Update research tools description. - [`9294022`](https://github.com/google/brotli/commit/9294022929b6207072b6fd8cda89a6f8a31b561b) Replace sais.hxx by submodule hillbig/esaxx. ### 📊 Changes **11 files changed** (+576 additions, -0 deletions) <details> <summary>View changed files</summary> 📝 `.gitmodules` (+3 -0) ➕ `research/Makefile` (+17 -0) ➕ `research/README.md` (+67 -0) ➕ `research/draw_diff.cc` (+104 -0) ➕ `research/draw_histogram.cc` (+197 -0) ➕ `research/esaxx` (+1 -0) ➕ `research/find_opt_references.cc` (+147 -0) ➕ `research/img/enwik9_brotli.png` (+0 -0) ➕ `research/img/enwik9_diff.png` (+0 -0) ➕ `research/img/enwik9_opt.png` (+0 -0) ➕ `research/read_dist.h` (+40 -0) </details> ### 📄 Description This is a small set of simple tools used together with [large-window brotli](https://github.com/google/brotli/pull/426) to visualize backward reference distance distribution. You can find a description [here](https://github.com/Zip753/brotli/blob/master/research/README.md). --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

claunia added the pull-request label 2026-01-29 20:52:15 +00:00

claunia referenced this issue

2026-01-29 20:54:50 +00:00

[PR #1040] [CLOSED] add CHANGELOG.md #1590

claunia referenced this issue

2026-01-29 20:54:50 +00:00

[PR #1040] add CHANGELOG.md #1595

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