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fmt: hold on to all free buffers, regardless of size

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This code made sense before fmt switched to using sync.Pool, but a
sync.Pool clears all items on GC, so not reusing something based on
size is just a waste of memory.

Change-Id: I201312b0ee6c572ff3c0ffaf71e42623a160d23f
Reviewed-on: https://go-review.googlesource.com/21480
Reviewed-by: Rob Pike <r@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Brad Fitzpatrick 2016-04-03 01:34:29 +00:00
parent 163ff700b8
commit 0656da910a
1 changed files with 0 additions and 4 deletions
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4
src/fmt/print.go
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@ -132,10 +132,6 @@ func newPrinter() *pp {
// free saves used pp structs in ppFree; avoids an allocation per invocation. // free saves used pp structs in ppFree; avoids an allocation per invocation.
func (p *pp) free() { func (p *pp) free() {
// Don't hold on to pp structs with large buffers.
if cap(p.buf) > 1024 {
return
}
p.buf = p.buf[:0] p.buf = p.buf[:0]
p.arg = nil p.arg = nil
p.value = reflect.Value{} p.value = reflect.Value{}