1. 06 Mar, 2019 24 commits
  2. 03 Mar, 2019 7 commits
  3. 23 Dec, 2018 3 commits
  4. 25 Sep, 2018 1 commit
  5. 22 Aug, 2018 2 commits
  6. 06 Aug, 2018 3 commits
    • sasshka's avatar
      ppc: Optimize quant functions · 303c484e
      sasshka authored
      1) using xxpermdi + merge instead of 2 merges improves quant_8x8
      performance by 5%
      
      2) use vec_splats instead of vec_splat
      
      checkasm timings when compiled with gcc:
                        C:            AltiVec:
                                      before: after:
      quant_2x2_dc:      57            163      46
      quant_4x4_dc:     141            162      57
      
      dequant_4x4_cmp:  104            101      45
      dequant_4x4_flat: 104            106      46
      dequant_8x8_cmp:  412            208     147
      dequant_8x8_flat: 414            212     149
      303c484e
    • sasshka's avatar
      ppc: Add support for Power9-only vec_absd · 44f16713
      sasshka authored
      Increases overall encoding speed on POWER9 by 8%.
      44f16713
    • sasshka's avatar
      ppc: Optimize sub8x8_dct_dc · f8afe382
      sasshka authored
      f8afe382