Opened 2 years ago

Last modified 2 years ago

#5569 open enhancement

POWER8 VSX vectorization libswscale/output.c

Reported by: edelsohn Owned by:
Priority: wish Component: swscale
Version: git-master Keywords: bounty vsx
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

Optimize approximately 30 functions in libswscale/output.c for POWER8 VSX

SIMD instructions on PPC64 Linux.

Change History (5)

comment:1 Changed 2 years ago by richardpl

Why?

comment:2 Changed 2 years ago by edelsohn

To improve performance on IBM POWER architecture. The swscale methods frequently appear high in profiles. The functions have optimizations for x86 SSE and could benefit from similar optimization on POWER VSX.

comment:3 Changed 2 years ago by edelsohn

  • Keywords bounty added
  • Version changed from unspecified to git-master

comment:4 Changed 2 years ago by cehoyos

  • Priority changed from normal to wish
  • Status changed from new to open

comment:5 Changed 2 years ago by cehoyos

  • Keywords vsx added
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