Nigel Tao 94a89c61e4 image/jpeg: make decoder.receiveExtend branchless ...

On linux/amd64:

name                 old speed      new speed      delta
DecodeBaseline-8     76.4MB/s ± 0%  84.3MB/s ± 0%  +10.38%  (p=0.008 n=5+5)
DecodeProgressive-8  51.0MB/s ± 1%  52.6MB/s ± 0%   +3.20%  (p=0.008 n=5+5)

Thanks to David Le Corfec for the suggestion.

Updates #24499

Change-Id: I749102ff0b50044dfd6a73172a1aa03f89ad97bd
Reviewed-on: https://go-review.googlesource.com/c/go/+/750900
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Nigel Tao <nigeltao@google.com>

2026-03-05 12:53:45 -08:00

..

color

image/color/palette: add godoc link to generator program

2024-11-12 18:35:44 +00:00

draw

image: use built-in clear to simplify code

2024-03-11 17:08:05 +00:00

gif

cmd/internal/obj/arm64, image/gif, runtime, sort: use math/bits to calculate log2

2025-11-23 03:49:34 -08:00

internal/imageutil

…

jpeg

image/jpeg: make decoder.receiveExtend branchless

2026-03-05 12:53:45 -08:00

png

image/png: remove go-fuzz test

2024-05-06 22:40:18 +00:00

testdata

image/jpeg: add support for non-standard chroma subsampling ratios

2026-03-04 08:28:34 -08:00

decode_example_test.go

image/jpeg: replace fdct.go and idct.go with new implementation in dct.go

2025-09-25 07:54:32 -07:00

decode_test.go

…

format.go

image: add available godoc link

2023-10-19 12:02:45 +00:00

geom_test.go

…

geom.go

image: use Rectangle{} instead of ZR

2024-09-01 15:47:54 +00:00

image_test.go

…

image.go

image: fix formatting of godoc link

2025-07-29 08:25:32 -07:00

names.go

image: add available godoc link

2023-10-19 12:02:45 +00:00

ycbcr_test.go

…

ycbcr.go

image: add available godoc link

2023-10-19 12:02:45 +00:00