Thanks for the details. I did get some improvements a while ago with some Inline::C code by pushing the loops into the C part instead of just the loop bodies, but don't recall seeing differences like those reported higher in this thread.

I'll have a peruse of the XS docs and Sub::Block.

In reply to Re^5: Should multiplication by integer be avoided in favour of division for performance reasons? (benchmark pitfalls) by swl
in thread Should multiplication by integer be avoided in favour of division for performance reasons? by vr

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