FazBrowse GitHub Viewer | Trending |
URL:
| Home
Tools: [Download Repo ZIP]   [Original HTTPS Page]

The vector implementation for JavaFastPFOR is slower than the scalar one. · Issue #1 · mulugetam/VectorJavaFastPFOR · GitHub

  1. mulugetam
  2. VectorJavaFastPFOR

Repository navigation

The vector implementation for JavaFastPFOR is slower than the scalar one. #1

Open
Open
The vector implementation for JavaFastPFOR is slower than the scalar one.#1

Description

XSAM
opened on Nov 19, 2022

Benchmark result

Benchmark                                         Mode  Cnt    Score   Error  Units
IntCompressionBench.fastPFORCompression          thrpt   12  210.045 ± 4.269  ops/s
IntCompressionBench.fastPFORDecompression        thrpt   12  621.802 ± 6.700  ops/s
IntCompressionBench.vectorFastPFORCompression    thrpt   12   87.594 ± 0.363  ops/s
IntCompressionBench.vectorFastPFORDecompression  thrpt   12  165.013 ± 4.739  ops/s

How to reproduce

Follow https://github.com/mulugetam/VectorJavaFastPFOR/tree/main/jmh

Run

numactl -m 0 -C 2 java --add-modules jdk.incubator.vector -jar target/benchmarks.jar IntCompressionBench

Environment

AWS m5.xlarge, ubuntu-22.04
JDK 19.0.1
Gradle URL: https://services.gradle.org/distributions-snapshots/gradle-7.6-20220924231105+0000-bin.zip

Activity

  1. lemire commented on Nov 25, 2022

    lemire
    on Nov 25, 2022

    What is your hardware?

  2. XSAM commented on Nov 26, 2022

    XSAM
    on Nov 26, 2022
    Author

    AWS EC2 m5.xlarge

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions

      Back | FazBrowse Home | New Git URL