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Mike Klein 26ad8ccdec add ERMS (enhanced rep mov/sto) SkOpts slice 
Intel's got two CPUID bits indicating the speed of rep mov/sto
(memcpy/memset),

    - ERMS, Enhanced Rep Mov/Sto, older, large copies are fast?
    - FSRM, Fast Short Rep Mov, newer, small copies are fast?

ERMS has been around a long time on Intel, but is relatively recent on
Ryzen, and FSRM is new across the board.  The startup cost for
ERMS-but-not-FSRM copies really is noticeable, so we cut over to the
previous SSE/AVX routines when N is small.

I've left the memset benchmarks as I found them most useful when
tuning the small/large cutoff in this CL.

Change-Id: I3ac4e3f34796aba0ea86aabbe9dda7526919456a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/332580
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
2020-11-12 15:05:07 +00:00
animations first cut at a checkbox 2009-10-21 19:41:10 +00:00
bazel bazel baby steps 2020-09-14 15:18:32 +00:00
bench add ERMS (enhanced rep mov/sto) SkOpts slice 2020-11-12 15:05:07 +00:00
bin bin/try: automatically set 'git cl issue' when not found 2020-06-25 17:44:01 +00:00
build/fuchsia [fuchsia] Fix fidlc command. 2020-06-10 03:29:24 +00:00
build_overrides Port to ANGLE's GN files 2020-09-11 15:22:34 +00:00
client_utils/android Replace 'typedef xxxxx INHERITED' with 'using INHERITED = xxxx;'. 2020-09-03 03:41:26 +00:00
demos.skia.org [canvaskit] Remove Sk from nearly all function/type names. 2020-10-07 21:01:32 +00:00
dm Update DDL testing harness to support drawing DDL w/ integer offsets 2020-11-10 14:34:46 +00:00
docker [canvaskit,pathkit] Update to emsdk 2.0 2020-08-20 14:55:50 +00:00
docs/examples Only expose isConvex on path publicly. 2020-08-28 16:56:29 +00:00
example Reland "Remove use of legacy display globals." 2020-10-05 19:13:58 +00:00
experimental Split SkYUVAInfo::PlanarConfig into PlaneConfig and Subsampling enums 2020-11-11 22:42:36 +00:00
fuzz Move GrShaderCaps from Program::Settings to Compiler 2020-11-04 19:38:33 +00:00
gm Handle EXIF orientation in SkAnimCodecPlayer 2020-11-12 14:43:47 +00:00
gn add ERMS (enhanced rep mov/sto) SkOpts slice 2020-11-12 15:05:07 +00:00
include Handle EXIF orientation in SkAnimCodecPlayer 2020-11-12 14:43:47 +00:00
infra add arm64 mac builders 2020-11-12 14:59:47 +00:00
modules [canvaskit] Revert raster change. 2020-11-12 14:49:47 +00:00
platform_tools implement SkotieAnimation as an Animator to better work in an Android environment 2020-11-11 17:34:15 +00:00
resources Handle EXIF orientation in SkAnimCodecPlayer 2020-11-12 14:43:47 +00:00
samplecode [svg] Allow clients to pass a custom SkFontMgr 2020-11-11 01:51:44 +00:00
site [bugs-central] Add documentation for sheriffs 2020-11-09 15:42:26 +00:00
specs Fix CanvasKit generated documentation to work with emscripten 1.39.16. 2020-05-27 12:23:32 +00:00
src add ERMS (enhanced rep mov/sto) SkOpts slice 2020-11-12 15:05:07 +00:00
tests Handle EXIF orientation in SkAnimCodecPlayer 2020-11-12 14:43:47 +00:00
third_party [canvaskit] Add support for woff2 fonts 2020-11-10 15:07:26 +00:00
tools [canvaskit] Revert raster change. 2020-11-12 14:49:47 +00:00
.bazelignore bazel baby steps 2020-09-14 15:18:32 +00:00
.clang-format Disable BinPackParameters in .clang-format 2020-03-27 14:32:40 +00:00
.clang-tidy Disable ClangTidy namespace comments for short blocks. 2020-08-24 14:01:22 +00:00
.gitignore bazel baby steps 2020-09-14 15:18:32 +00:00
.gn Basic standalone GN configs. 2016-07-21 12:25:45 -07:00
AUTHORS Fix issues with latest GN 2020-11-07 13:55:45 +00:00
BUILD.bazel bazel baby steps 2020-09-14 15:18:32 +00:00
BUILD.gn Fix issues with latest GN 2020-11-07 13:55:45 +00:00
codereview.settings Make uploading to Gerrit the default for Skia 2016-11-09 19:07:56 +00:00
CONTRIBUTING Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
CQ_COMMITTERS Moved committer list to chrome-infra-auth and deleted it from the repo 2015-09-02 13:37:54 -07:00
DEPS Roll SwiftShader from 019feda602ec to 4804ac8724ff (9 revisions) 2020-11-12 14:37:47 +00:00
go.mod Update Go Deps 2020-11-02 12:13:02 +00:00
go.sum Update Go Deps 2020-11-02 12:13:02 +00:00
LICENSE LICENSE file: clean up 2019-11-22 21:59:03 +00:00
OWNERS add OWNERS file 2017-12-01 19:50:19 +00:00
PRESUBMIT.py Generate SkSL golden output files from test inputs during the build. 2020-09-14 14:54:12 +00:00
public.bzl [svg] Post-relocation cleanup 2020-10-18 19:29:38 +00:00
README Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
README.chromium Update README.chromium. 2015-06-11 13:19:24 -07:00
RELEASE_NOTES.txt Split SkYUVAInfo::PlanarConfig into PlaneConfig and Subsampling enums 2020-11-11 22:42:36 +00:00
whitespace.txt Whitespace change to re-trigger Mac/iOS tests 2020-02-23 20:55:01 +00:00
WORKSPACE.bazel bazel baby steps 2020-09-14 15:18:32 +00:00

README 

Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.

See full details, and build instructions, at https://skia.org.