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Remove excessive floating-point divides #4312

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Remove excessive floating-point divides #4312

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Commits on Sep 3, 2024

  1. Remove excessive floating-point divides 

    Loft the loop-invariant divide outside the hot loop, and/or
invert the variable to turn FDIV into FMUL.
    @heshpdx
    heshpdx committed Sep 3, 2024
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  2. Apply suggestions from code review 

    Co-authored-by: Stefan Weil <sw@weilnetz.de>
    @heshpdx @stweil
    heshpdx and stweil committed Sep 3, 2024
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  3. Fix function definition and comment to match cpp file

    @heshpdx
    heshpdx committed Sep 3, 2024
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Commits on Sep 23, 2024

  1. Replace FDIV with FMUL in hot loop. 

    Shaves off 25% runtime on Ampere Altra running OCR using
the tessdata_orig Russian language model with --oem 2.
    @heshpdx
    heshpdx committed Sep 23, 2024
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  2. Update src/lstm/functions.h 

    Conform to style.
    @heshpdx
    heshpdx committed Sep 23, 2024
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