Par rot functions #269
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Par rot functions #269
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This PR is an improvement to the vectorized rotation functions (documentation TK) that uses a parallel iterator from rayon. This doesn't offer a massive speedup on my quadcore laptop, maybe 10%, but in certain code coupling contexts this might be useful, especially when lots of cores are available. If this hurts performance, rayon offers an environment variable,
RAYON_NUM_THREADSto turn parallelization off.