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divss vs rcpss/mulss???

Started by daydreamer, February 22, 2020, 05:29:34 AM

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daydreamer

testing if and when rcpss/mulss can replace divss and when not,hoped integer divide could be replaced up to maybe 100 with rcpss/mulss combination
I dont know if different rounding could improve precision of rcpss/mulss?
my none asm creations
https://masm32.com/board/index.php?topic=6937.msg74303#msg74303
I am an Invoker
"An Invoker is a mage who specializes in the manipulation of raw and elemental energies."
Like SIMD coding

daydreamer

testing with and without +0.5 to rounding and counting both kind of mismatches
the +0.5 version give hope of practical usage of rcpss/mulss
my none asm creations
https://masm32.com/board/index.php?topic=6937.msg74303#msg74303
I am an Invoker
"An Invoker is a mage who specializes in the manipulation of raw and elemental energies."
Like SIMD coding