Multichase Pointer Chaser

This is a benchmark of Google's multichase pointer chaser program.

To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark multichase.

Project Site

github.com

Test Created

11 February 2016

Last Updated

7 April 2018

Test Maintainer

Michael Larabel

Test Type

Processor

Average Install Time

2 Seconds

Average Run Time

1 Minute, 3 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

70k+ Downloads

Supported Platforms


Public Result UploadsReported Installs*Test Completions*OpenBenchmarking.orgEventsMultichase Pointer Chaser Popularity Statisticspts/multichase2016.022016.042016.062016.082016.102016.122017.022017.042017.062017.082017.102017.122018.022018.042018.062018.082018.102018.122019.022019.042019.062019.082019.102019.122020.022020.042020.062020.082020.102020.129001800270036004500
* Data based on those opting to upload their test results to OpenBenchmarking.org and users enabling the opt-in anonymous statistics reporting while running benchmarks from an Internet-connected platform.
Data current as of Wed, 27 Jan 2021 10:40:27 GMT.
1GB Array, 256 Byte Stride15.9%4MB Array, 64 Byte Stride16.8%1GB Array, 256 Byte Stride, 4 Threads30.0%1GB Array, 256 Byte Stride, 2 Threads15.7%256MB Array, 256 Byte Stride21.6%Test Option PopularityOpenBenchmarking.org

Revision History

pts/multichase-1.0.2   [View Source]   Sat, 07 Apr 2018 21:15:36 GMT
Multichase appears to only work on Linux.

pts/multichase-1.0.1   [View Source]   Wed, 04 Jan 2017 11:17:48 GMT
Fix for multichase on GCC6

pts/multichase-1.0.0   [View Source]   Thu, 11 Feb 2016 11:28:28 GMT
Initial commit of Google multichase pointer chasing benchmark.

Suites Using This Test

CPU Massive

Single-Threaded


Performance Metrics

Analyze Test Configuration:

Multichase Pointer Chaser

Test: 256MB Array, 256 Byte Stride

OpenBenchmarking.org metrics for this test profile configuration based on 256 public results since 11 February 2016 with the latest data as of 30 December 2020.

Below is an overview of the generalized performance for components where there is sufficient statistically significant data based upon user-uploaded results. It is important to keep in mind particularly in the Linux/open-source space there can be vastly different OS configurations, with this overview intended to offer just general guidance as to the performance expectations.

Component
Percentile Rank
# Matching Public Results
ns (Average)
94th
5
49 +/- 1
78th
12
58 +/- 1
Mid-Tier
75th
> 58
72nd
14
59 +/- 3
66th
14
61 +/- 2
66th
6
61 +/- 1
61st
5
62 +/- 4
Median
50th
67
Low-Tier
25th
> 86
OpenBenchmarking.orgDistribution Of Public Results - Test: 256MB Array, 256 Byte Stride256 Results Range From 37 To 174 ns37496173859710912113314515716918120406080100

Based on OpenBenchmarking.org data, the selected test / test configuration (Multichase Pointer Chaser - Test: 256MB Array, 256 Byte Stride) has an average run-time of 2 minutes. By default this test profile is set to run at least 3 times but may increase if the standard deviation exceeds pre-defined defaults or other calculations deem additional runs necessary for greater statistical accuracy of the result.

OpenBenchmarking.orgMinutesTime Required To Complete BenchmarkTest: 256MB Array, 256 Byte StrideRun-Time246810Min: 1 / Avg: 1 / Max: 1

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.7%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest: 256MB Array, 256 Byte StrideDeviation246810Min: 0 / Avg: 0.67 / Max: 5

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