During Linaro Connect there was a possibility to play with ThunderX2 workstation. I remember that Arnd Bergmann was comparing speed of kernel compilation with his AMD Threadripper workstation.

Test was simple — checkout 4.18 source, use arm64 defconfig and do build of ‘Image modules’ with as many threads as you have cpu cores. He did several builds with limiting to one cpu, to disable cpu threads etc but idea stays the same.

Dual socket ThunderX2 (28 cpu cores, 4 threads per core iirc) did that in about 2 minutes. So did Arnd’s Threadripper machine.

So I decided to check that on my local hardware. Mustang needed 38 minutes, my i7-2600K based desktop did that in 9 minutes 20 seconds.

For comparison: I was told that Synquacer with it’s 24 Cortex-A53 cores does that in about 16 minutes.

Is it fast? Do not think so. But who would assume that retro hardware will be fast…


How fast is APM Mustang?
        

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