add jason's third submission attempt#19
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Actually I found some more optimizations, so I updated it (four times), envvar instructions are the same though. |
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I'm having trouble predicting the performance on an M1 Mac because I don't have an M1 Mac. This program runs about 10% faster on Darwin x64, 20% faster on WSL on my x64 Desktop but about 15% faster on Oracle Cloud Linux ARM64 compared to my original solution.
If you have time, can I ask you also try to run it with the environment variable
BRCGO_ALT_MODE=1? If it runs consistently significantly slower (> 80ms) can you leave it unset (or set to "0"), otherwise I'd rather have it left on (i.e. if it looks to be very similar in performance with or without the environment variable, leave the environment variable set). I have this environment variable because I'm not sure if one of my "optimizations" I made hinders or improves performance on an M1 Mac.