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ram_speed

by rigaya

Build status Build Linux Packages

This is an attempt to measure RAM and cache performace.

It will run performace tests below.

  • intercore latency tests
  • RAM/Cache latency tests
  • RAM/Cache bandwidth tests

Please note that this app is sensitive to background tasks, and might not get expected results.

System Requirements

Windows 10/11 (x86_64)
Linux (x86_64/others)

Results

All results are shown better on the page below.

ram_speed results

Tested Systems

CPU Cores RAM RAM Timing
i9 7980XE @ 4.0GHz 18C/36T DDR4-3600 4ch 17-19-19-41-1
i7 11700K (Gear1/2) 8C/16T DDR4-3600 2ch 18-22-22-42-2
i7 7700K 4C/8T DDR4-3600 2ch 18-22-22-42-2
Ryzen9 5950X 16C/32T DDR4-3600 2ch 19-20-20-40-1
Ryzen9 5950X (1CCD) 8C/16T DDR4-3600 2ch 19-20-20-40-1
Ryzen7 3700X 8C/16T DDR4-3600 2ch 18-22-22-43-1
Ryzen7 1700X 8C/16T DDR4-2666 2ch 16-16-16-38-1
Ryzen3 3200G @ 4.2GHz 4C/4T DDR4-2666 2ch 16-18-18-40-1
i5 1035G7 4C/8T LPDDR4X-3733 2ch 20-20-20-45-?
i7 4610Y 2C/4T DDR3-1600 2ch 11-11-11-28-1
i3 4170 2C/4T DDR3-2133 2ch 9-11-10-28-2
i5 5500U 2C/4T DDR3-1600 2ch 11-11-11-28-1
i5 2410M 2C/4T DDR3-1333 2ch 9-9-9-24-1
Core2Duo P8600 2C/2T DDR2-800 2ch 6-6-6-18-?

RAM/Cache bandwidth MT

Result of the bandwidth test, using all physical cores on the CPU.
RAM/Cache bandwidth MT

RAM/Cache bandwidth ST

Result of the bandwidth test, using a single cores on the CPU.
RAM/Cache bandwidth ST

RAM bandwidth

Result of the bandwidth test, checking the bandwidth of the largest size tested.
RAM bandwidth

RAM/Cache latency cachline random

RAM/Cache bandwidth

RAM/Cache latency full random

RAM/Cache bandwidth

To Build

Windows

VC++2019 & nasm is required.

Linux

C++14 compiler is required, and also nasm is recommended for x86 build.

However for non-x86 environments, it is possible to build without nasm, by adding --disable-asm when running configure script.

Precautions for using ram_speed

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.

License

The MIT License will be applied.