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by jerven
875 days ago
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I just want to note, that reliability becomes an issue at scale as well. C can be the first to crash making it's "faster speed" useless. An example: there was a benchmark game for DNA GC counting. C was the fastest at beginning (a vectorized rust version has taken over). However, the C version in the lead at that time was the only version that could not count the GC ratio in human Chromosome X. Due to segfault/integer overflow. So in practical terms the C version was really infinitely slow even if the top ranker in the benchmark. On a person note: I am dealing with C segfault ruining 261 hours of compute, which will probably need about a 1000 or so more to debug :( |
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I understand your pain. I have written a material simulator in C++ which didn't use any safety barriers after the startup process, which made sure that it was safe to start the hot loop. On the other hand, my code never had a memory leak or never crashed, because I knew what I was going into and designed it appropriately. Most importantly, that thing is fast. Millions of iterations per core per second fast.