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Apache Lucene open-source search software
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Benjamin Trent a540027bde
Add new dynamic confidence interval configuration to scalar quantized format (#13445) 
When int4 scalar quantization was merged, it added a new way to dynamically calculate quantiles.

However, when that was merged, I inadvertently changed the default behavior, where a null confidenceInterval would actually calculate the dynamic quantiles instead of doing the previous auto-setting to 1 - 1/(dim + 1).

This commit formalizes the dynamic quantile calculate through setting the confidenceInterval to 0, and preserves the previous behavior for null confidenceIntervals so that users upgrading will not see different quantiles than they would expect.
 		2024-06-01 13:25:38 -04:00
.github Make run-nightly-smoketester.yml run on java 21+ only 2024-02-29 13:03:42 +01:00
buildSrc Upgrade forbiddenapis to version 3.7 and ASM for APIJAR extraction to 9.7 2024-03-24 00:09:24 +01:00
dev-docs a bit of clarification about GitHub Milestone 2022-08-28 13:52:58 +09:00
dev-tools Improve MissingDoclet linter to check records correctly (#13332) 2024-04-30 18:00:06 +02:00
gradle Add a separate option to allow running Panama Vectorization for all tests with suitable C2 defaults (#13351) 2024-05-09 11:00:51 +01:00
help Schedule compileJava after the internal task if it affects source files (#13282) 2024-04-09 07:44:07 +02:00
lucene Add new dynamic confidence interval configuration to scalar quantized format (#13445) 2024-06-01 13:25:38 -04:00
.asf.yaml .asf.yaml 2022-08-16 20:02:47 +09:00
.dir-locals.el LUCENE-9322: Add Lucene90 codec, including VectorFormat 2020-10-18 07:49:36 -04:00
.git-blame-ignore-revs GITHUB#12655: Add google java format upgrade tidy / regen to blame ignore 2023-10-11 16:15:42 -04:00
.gitattributes LUCENE-10305: Ensure line endings of versions.props is LF 2021-12-11 10:10:44 +09:00
.gitignore LUCENE-9920: Remove binary gradle-wrapper.jar from the repository 2021-04-10 16:08:39 +02:00
.hgignore LUCENE-2792: add FST impl 2010-12-12 15:36:08 +00:00
.lift.toml Disable liftbot, we have our own tools 2022-05-05 22:27:57 +02:00
CONTRIBUTING.md Update contributing guide: autocrlf and build dependencies (#12963) 2023-12-22 09:28:53 +01:00
LICENSE.txt LUCENE-10163 Move LICENSE and NOTICE file to top level (#388) 2021-10-18 01:24:11 +02:00
NOTICE.txt Cleanup NOTICE.txt (#12227) 2023-04-18 15:58:09 -04:00
README.md Bump minimum required Java version to 21 (#12753) 2024-02-29 12:16:29 +01:00
build.gradle upgrade icu4j to 74.2 (#13239) 2024-04-04 08:35:25 -04:00
gradlew gradlew: no "--source 11" (#13404) 2024-05-24 18:19:53 -04:00
gradlew.bat gradlew: no "--source 11" (#13404) 2024-05-24 18:19:53 -04:00
settings.gradle Build: build scans on ge.apache.org to benefit from deep build insights (#12293) 2023-10-24 12:32:18 -04:00
versions.lock Remove the HPPC dependency from all modules and move the HPPC fork to internal. (#13422) 2024-05-27 12:09:25 +02:00
versions.props Remove the HPPC dependency from all modules and move the HPPC fork to internal. (#13422) 2024-05-27 12:09:25 +02:00

README.md

Apache Lucene

Lucene Logo

Apache Lucene is a high-performance, full-featured text search engine library written in Java.

Build Status

Online Documentation

This README file only contains basic setup instructions. For more comprehensive documentation, visit:

Building

Basic steps:

  1. Install OpenJDK 21.
  2. Clone Lucene's git repository (or download the source distribution).
  3. Run gradle launcher script (gradlew).

We'll assume that you know how to get and set up the JDK - if you don't, then we suggest starting at https://jdk.java.net/ and learning more about Java, before returning to this README.

See Contributing Guide for details.

Contributing

Bug fixes, improvements and new features are always welcome! Please review the Contributing to Lucene Guide for information on contributing.

Discussion and Support