qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-11-24 12:30:14 -07:00
Code Releases Activity

runtime: switch AMD64's publicationBarrier to ABIInternal

Browse Source 
Shrinks a few runtime functions:

runtime
runtime.mallocgc 2127 -> 2117  (-0.47%)
runtime.(*mheap).initSpan 652 -> 639  (-1.99%)
runtime.(*mspan).userArenaNextFree 825 -> 808  (-2.06%)

file      before   after    Δ       %
runtime.s 512473   512414   -59     -0.012%
total     20843331 20843272 -59     -0.000%

Change-Id: Ifaca7abb6db3467b73945fac71496dd7527e6863
Reviewed-on: https://go-review.googlesource.com/c/go/+/462296
Auto-Submit: Keith Randall <khr@golang.org>
Run-TryBot: Jakub Ciolek <jakub@ciolek.dev>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Jakub Ciolek 2023-01-18 10:54:17 +01:00 committed by Gopher Robot
parent 7f9ee2ba5b
commit 02704d5159
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/runtime/asm_amd64.s
View File

@ -762,7 +762,7 @@ again:
RET
TEXT ·publicationBarrier(SB),NOSPLIT,$0-0
TEXT ·publicationBarrier<ABIInternal>(SB),NOSPLIT,$0-0
// Stores are already ordered on x86, so this is just a
// compile barrier.
RET