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drmackay
searching PlanetScale…
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by
drmackay
11y ago
The gcc compiler does vectorize the code. I wrote that gcc 4.1.2 did not interchange loops automatically (ijk to ikj). Matrix multiply is very easy for a compiler to optimize and it is easy to use to illustrate principles. There may ex
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by
drmackay
11y ago
The intel compiler update 1 (16.1) was released in late 2015. It is available to download to all who have a license or are beginning a new evaluation. For matrices of size 4000x4000 there was significant benefit for blocking the loops - pl