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by ato
6027 days ago
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It's not really an 32-core machine. It's an 8 core UltraSPARC T1, each core supporting 4 hardware threads. Also this is the sort of problem that C absolutely kills at. C can just mmap the file and run straight across raw the bytes and take advantage of all kinds of cache tricks. For well-written C code the problem is basically IO bound and I was surprised I could catch up to it at all with the JVM. |
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