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 Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsMultichase Pointer Chaser Popularity Statisticspts/multichase2016.022016.052016.082016.112017.022017.052017.082017.112018.022018.052018.082018.112019.022019.052019.082019.112020.022020.052020.082020.112021.022021.052021.082021.112022.022022.052022.082022.1113002600390052006500
* Uploading of benchmark result data to OpenBenchmarking.org is always optional (opt-in) via the Phoronix Test Suite for users wishing to share their results publicly.
** 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.
*** Test profile page view reporting began March 2021.
Data current as of 4 December 2022.
1GB Array, 256 Byte Stride16.5%4MB Array, 64 Byte Stride17.0%1GB Array, 256 Byte Stride, 4 Threads28.6%1GB Array, 256 Byte Stride, 2 Threads16.1%256MB Array, 256 Byte Stride21.8%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: 1GB Array, 256 Byte Stride, 4 Threads

OpenBenchmarking.org metrics for this test profile configuration based on 410 public results since 11 February 2016 with the latest data as of 1 December 2022.

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
# Compatible Public Results
ns (Average)
98th
4
48 +/- 1
97th
10
49 +/- 2
93rd
9
53 +/- 7
92nd
5
54 +/- 1
89th
5
60 +/- 2
85th
3
63 +/- 6
81st
11
65 +/- 3
76th
16
66 +/- 2
76th
11
66 +/- 1
Mid-Tier
75th
> 66
73rd
6
67 +/- 1
67th
4
69 +/- 2
64th
3
70 +/- 1
Median
50th
73
50th
4
73 +/- 1
Low-Tier
25th
> 87
11th
3
105 +/- 6
2nd
4
157 +/- 3
OpenBenchmarking.orgDistribution Of Public Results - Test: 1GB Array, 256 Byte Stride, 4 Threads410 Results Range From 42 To 196 ns4254667890102114126138150162174186198306090120150

Based on OpenBenchmarking.org data, the selected test / test configuration (Multichase Pointer Chaser - Test: 1GB Array, 256 Byte Stride, 4 Threads) 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: 1GB Array, 256 Byte Stride, 4 ThreadsRun-Time246810Min: 1 / Avg: 1 / Max: 1

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.3%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest: 1GB Array, 256 Byte Stride, 4 ThreadsDeviation246810Min: 0 / Avg: 0.29 / Max: 4

Tested CPU Architectures

This benchmark has been successfully tested on the below mentioned architectures. The CPU architectures listed is where successful OpenBenchmarking.org result uploads occurred, namely for helping to determine if a given test is compatible with various alternative CPU architectures.

CPU Architecture
Kernel Identifier
Verified On
Intel / AMD x86 64-bit
x86_64
(Many Processors)
RISC-V 64-bit
riscv64
sifive rocket0
IBM POWER (PowerPC) 64-bit
ppc64le
POWER8, POWER8E
MIPS 64-bit
mips64
Loongson-3A R3
Loongson LoongArch 64-bit
loongarch64
Loongson-3C5000L
ARMv8 64-bit
aarch64
ARMv8 rev 3 6-Core, HUAWEI Kunpeng 920

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