Build from source 100x slower than prod
#1
Hello! I am trying to add a new kernel module to hashcat. I have finished development of the module and the algorithm works, but I am seeing some serious performance issues when I build from source, even with the normal benchmarks not related to my module.

When running the source built hashcat in benchmark mode with this command:
./hashcat -m 8900 -b -w4
I get about 1000 H/s. However, when I run it on the production executable, I get 1100 kH/s on the same device.

Is there a build flag or something I am missing to optimize performance on the build? I took a look at the Travis config but it looks like it is also just calling make.

Any help would be appreciated!
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Build from source 100x slower than prod - by thaas - 04-20-2021, 06:42 PM