CacheBench
This is a performance test of CacheBench, which is part of LLCbench. CacheBench is designed to test the memory and cache bandwidth performance
To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark cachebench.
Project Site
icl.cs.utk.eduTest Created
6 December 2010Last Updated
7 April 2018Test Maintainer
Michael LarabelTest Type
ProcessorAverage Install Time
1 SecondAverage Run Time
7 Minutes, 36 SecondsTest Dependencies
C/C++ Compiler ToolchainAccolades
300k+ Downloads + 10k+ Public Benchmark ResultsSupported Platforms
** 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 15 June 2021.
Suites Using This Test
Performance Metrics
Analyze Test Configuration:CacheBench
Test: Read / Modify / Write
OpenBenchmarking.org metrics for this test profile configuration based on 3,013 public results since 4 January 2017 with the latest data as of 14 June 2021.
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.
Based on OpenBenchmarking.org data, the selected test / test configuration (CacheBench - Test: Read / Modify / Write) has an average run-time of 4 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.
Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.5%.
Does It Scale Well With Increasing Cores?
No, based on the automated analysis of the collected public benchmark data, this test / test settings does not generally scale well with increasing CPU core counts. Data based on publicly available results for this test / test settings, separated by vendor, result divided by the reference CPU clock speed, grouped by matching physical CPU core count, and normalized against the smallest core count tested from each vendor for each CPU having a sufficient number of test samples and statistically significant data.
Notable Instruction Set Usage
Notable instruction set extensions supported by this test, based on an automatic analysis by the Phoronix Test Suite / OpenBenchmarking.org analytics engine.
This test profile binary relies on the shared libraries libc.so.6.
Recent Test Results
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2 Systems - 15 Benchmark Results |
AMD Ryzen 7 5800H - LENOVO LNVNB161216 - 2 x 16384 MB 3200MHz Samsung M471A2G43AB2-CWE Microsoft Windows 10 Home Build 19042 - 10.0 - 461.56 |
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1 System - 1 Benchmark Result |
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Featured Graphics Comparison |
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5 Systems - 8 Benchmark Results |
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8 Systems - 195 Benchmark Results |
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7 Systems - 195 Benchmark Results |
AMD EPYC - Hetzner vServer v20171111 - 1 x 8000 MB RAM QEMU Debian 11 - 5.12.8-051208-generic - GCC 10.2.1 20210110 |
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6 Systems - 195 Benchmark Results |
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1 System - 1 Benchmark Result |
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5 Systems - 87 Benchmark Results |
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