hugo/transform/chain.go
Noah Campbell 9af47f07d3 Improve rendering time
50% speedup.  Fix #91

to run the benchmark:

		go test -test.run=NONE -bench=".*" -test.benchmem=true ./transform/ > new.txt

to compare the results:

		/usr/local/go/misc/benchcmp baseline.txt new.txt

Speedup and memory improvements

		benchmark             old ns/op    new ns/op    delta
		BenchmarkChain           101219        50453  -50.15%
		BenchmarkTransform        51625        45531  -11.80%

		benchmark            old allocs   new allocs    delta
		BenchmarkChain              222          103  -53.60%
		BenchmarkTransform          135          106  -21.48%

		benchmark             old bytes    new bytes    delta
		BenchmarkChain            23919        10998  -54.02%
		BenchmarkTransform        11858        10665  -10.06%
2013-11-01 09:59:57 -07:00

25 lines
404 B
Go

package transform
import (
htmltran "code.google.com/p/go-html-transform/html/transform"
"io"
)
type chain []*htmltran.Transform
func NewChain(trs ...*htmltran.Transform) chain {
return trs
}
func (c *chain) Apply(w io.Writer, r io.Reader) (err error) {
var tr *htmltran.Transformer
if tr, err = htmltran.NewFromReader(r); err != nil {
return
}
tr.ApplyAll(*c...)
return tr.Render(w)
}