skia2/DEPS
Mike Klein 613ad38b10 add basic JIT using xbyak
Long term we'll need to spin up our own codegen rather than using xbyak,
since it uses exceptions and does not support ARM.

I really don't like how I've hacked in the caching of the JITted
program, but that'll change anyway when switching away from xbyak.

Performance looks good, better than (lowp) SkRasterPipeline
but not quite as good as hand-tuned code:

  Opts:     0.2 ns/px
  RP:       0.7
  F32:      0.8
  I32:      0.6
  I32_SWAR: 0.5

ninja -C out dm nanobench && out/dm -m SkVM && gobjdump -D -b binary -mi386:x86-64 /tmp/code.bin --insn-width=10

Change-Id: I34ce46e1d3fe5aa75f42709049a92ac79bf48bbd
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/219341
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
2019-06-11 18:40:39 +00:00

49 lines
4.3 KiB
Python

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