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Les articles publiés sur le site

• aarch64 : NEON asm for decimate_score

  12 août 2014, par Janne Grunau

  aarch64: NEON asm for decimate_score
  
  decimate_score15 and 16 are 60% faster, decimate_score64 is 4 times
  faster than C.
  

  • [DH] common/aarch64/quant-a.S
  • [DH] common/aarch64/quant.h
  • [DH] common/quant.c

• configure : improve cc_check for clang and ICL to not ignore unknown options

  10 août 2014, par Anton Mitrofanov

  configure: improve cc_check for clang and ICL to not ignore unknown options
  

  • [DH] configure

• x86inc : Make INIT_CPUFLAGS support an arbitrary number of cpuflags

  5 août 2014, par Henrik Gramner

  x86inc: Make INIT_CPUFLAGS support an arbitrary number of cpuflags
  
  Previously there was a limit of two cpuflags.
  

  • [DH] common/x86/x86inc.asm

• x86 : Minor pixel_ssim_end4 improvements

  5 août 2014, par Henrik Gramner

  x86: Minor pixel_ssim_end4 improvements
  
  Reduce the number of vector registers used from 7 to 5.
  Eliminate some moves in the AVX implementation.
  Avoid bypass delays for transitioning between int and float domains.
  

  • [DH] common/x86/pixel-a.asm

• x86 : Faster quant_4x4x4

  5 août 2014, par Henrik Gramner

  x86: Faster quant_4x4x4
  
  Also drop the MMX version instead of doing a bunch of ifdeffery to support it after this change.
  

  • [DH] common/quant.c
  • [DH] common/x86/quant-a.asm
  • [DH] common/x86/quant.h