AltiVec vp9 #324

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classilla opened this Issue Sep 6, 2016 · 2 comments

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classilla commented Sep 6, 2016

Some of the idcts and other components in vp9 look like they were written to aid easy vectorization. Assuming the compiler isn't doing that already, these look like good targets for gradual conversion.

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classilla Sep 22, 2016

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Converted:

  • vp9_convolve_avg_vmx
  • vp9_convolve_copy_vmx
  • vp9_idct16x16_1_add_vmx
  • vp9_idct32x32_1_add_vmx
  • vp9_idct4x4_16_add_vmx
  • vp9_idct4x4_1_add_vmx
  • vp9_idct8x8_1_add_vmx
  • vp9_iht4x4_16_add_vmx

Also killed the loop filter, which helped quite a bit as well.

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classilla commented Sep 22, 2016

Converted:

  • vp9_convolve_avg_vmx
  • vp9_convolve_copy_vmx
  • vp9_idct16x16_1_add_vmx
  • vp9_idct32x32_1_add_vmx
  • vp9_idct4x4_16_add_vmx
  • vp9_idct4x4_1_add_vmx
  • vp9_idct8x8_1_add_vmx
  • vp9_iht4x4_16_add_vmx

Also killed the loop filter, which helped quite a bit as well.

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classilla Oct 15, 2016

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Whew!
Next intraframe predictors.

idct.txt

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classilla commented Oct 15, 2016

Whew!
Next intraframe predictors.

idct.txt

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