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SIMD Encoder : an AVX2 implementation #143

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wants to merge 18 commits into from
Closed

SIMD Encoder : an AVX2 implementation #143

wants to merge 18 commits into from

Commits on Dec 28, 2021

  1. Encoder : almost branchless AVX2 implementation for RGBA images

    Kévin Masseix committed Dec 28, 2021
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Commits on Dec 29, 2021

  1. RGBA Encoder : create a QOI_OP_RUN mask to quickly iterate over runs

    Kévin Masseix committed Dec 29, 2021
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  2. RGBA Encoder : branchlessly write QOI_OP_RUN

    Kévin Masseix committed Dec 29, 2021
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  3. RGBA Encoder : rm useless assert.h include

    Kévin Masseix committed Dec 29, 2021
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  4. RGBA Encoder : compute the number of leading runs

    Kévin Masseix committed Dec 29, 2021
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  5. RGBA Encoder : change branch order and specify the likely one

    Kévin Masseix committed Dec 29, 2021
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  6. RGBA Encoder : QOI_LIKELY is defined as builtin_expect when __GNUC__ … 

    …is defined
    Kévin Masseix committed Dec 29, 2021
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  7. RGBA Encoder : fix a typo

    Kévin Masseix committed Dec 29, 2021
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  8. RGBA Encoder : encode the first pixel only if none as already be proc… 

    …essed
    Kévin Masseix committed Dec 29, 2021
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  9. RGBA Encoder : increment the encoder.px_pos only once per block itera… 

    …tion
    Kévin Masseix committed Dec 29, 2021
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  10. RGBA Encoder : QOI_SIMD_AVX2 must be defined to enable the AVX2 imple… 

    …mentation
    Kévin Masseix committed Dec 29, 2021
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  11. RGBA Encoder : fastest four bytes copy

    Kévin Masseix committed Dec 29, 2021
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  12. RGBA Encoder : rm useless avx2 variable to compute QOI_OP_RGB chunk v… 

    …alue
    Kévin Masseix committed Dec 29, 2021
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Commits on Dec 30, 2021

  1. RGBA Encoder : simply avx2 op_code length computing

    Kévin Masseix committed Dec 30, 2021
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  2. RGBA Encoder : do not perform resource intensive op when the 8 curren… 

    …t pixels are part of the same run
    Kévin Masseix committed Dec 30, 2021
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  3. RGB Encoder : supports AVX2 instructions

    Kévin Masseix committed Dec 30, 2021
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  4. AVX2 Encoder : QOI_SIMD_AVX2 must be defined to include the header

    Kévin Masseix committed Dec 30, 2021
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  5. AVX2 Encoder : rm var reinit

    Kévin Masseix committed Dec 30, 2021
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