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33 строки
1.3 KiB
Plaintext
33 строки
1.3 KiB
Plaintext
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JBLAS
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http://www.jblas.org/
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https://github.com/mikiobraun/jblas
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https://github.com/mikiobraun/jblas/wiki/Java-Native-Code-Background
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http://blog.mikiobraun.de/2008/10/matrices-jni-directbuffers-and-number.html
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jblas-multithreaded
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https://github.com/mikiobraun/jblas/wiki/Multithreaded-ATLAS
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https://groups.google.com/forum/#!topic/jblas-users/snbLVrAFdDY
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jblas-win64:
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https://github.com/mikiobraun/jblas/wiki/Why-There-Is-No-64bit-Support-for-Windows
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...
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What I managed to do, though is to compile lapack-lite with the 64bit compiler.
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This results in a full implementation of all subroutines, but it isn’t much more performant than pure Java.
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You still get a 50% boost for some operations like matrix-matrix-multiplication.
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Given that you can still use the same code (and jar file!), this is better than nothing.
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Starting with version 1.2.0, lapack-lite is bundled with the 64bit version of Windows.
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bench-perf:
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https://github.com/mikiobraun/jblas/wiki/Benchmarks
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http://lessthanoptimal.github.io/Java-Matrix-Benchmark/
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https://github.com/lessthanoptimal/Java-Matrix-Benchmark
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http://blog.mikiobraun.de/2009/04/some-benchmark-numbers-for-jblas.html
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http://code.google.com/p/java-matrix-benchmark/wiki/Runtime_2xXeon_2010_08
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http://stackoverflow.com/questions/529457/performance-of-java-matrix-math-libraries
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