diff options
| author | Michael Anthony Knyszek <mknyszek@google.com> | 2024-09-18 02:38:45 +0000 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2024-10-21 14:47:08 +0000 |
| commit | 721c04ae4ef8406f169f7e32d131a8667fc75a33 (patch) | |
| tree | faa4bb89a9fcb23eb00e039f9afbf72e02b94ae6 /src/encoding/xml | |
| parent | 56fb8350c835d1ccf0e6cdb8f753c85e2e0748a8 (diff) | |
| download | go-721c04ae4ef8406f169f7e32d131a8667fc75a33.tar.xz | |
runtime: optimize 8-byte allocation pointer data writing
This change brings back a minor optimization lost in the Go 1.22 cycle
wherein the 8-byte pointer-ful span class spans would have the pointer
bitmap written ahead of time in bulk, because there's only one possible
pattern.
│ before │ after │
│ sec/op │ sec/op vs base │
MallocTypeInfo8-4 25.13n ± 1% 23.59n ± 2% -6.15% (p=0.002 n=6)
Change-Id: I135b84bb1d5b7e678b841b56430930bc73c0a038
Reviewed-on: https://go-review.googlesource.com/c/go/+/614256
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Diffstat (limited to 'src/encoding/xml')
0 files changed, 0 insertions, 0 deletions