limit the number of goroutines we use for page rendering to gomaxprocs*4

This commit is contained in:
Nate Finch 2014-09-14 07:01:40 -04:00
parent cf3e748bd9
commit 49045b1cbc

View file

@ -367,10 +367,10 @@ func (s *Site) CreatePages() error {
for i := 0; i < procs*4; i++ {
wg.Add(1)
go pageRenderer(s, pagechan, results, wg)
go pageConverter(s, pagechan, results, wg)
}
go renderCollator(s, results, errs)
go converterCollator(s, results, errs)
for _, p := range s.Pages {
pagechan <- p
@ -397,6 +397,7 @@ func (s *Site) CreatePages() error {
}
func pageReader(s *Site, files <-chan *source.File, results chan<- pageResult, wg *sync.WaitGroup) {
defer wg.Done()
for file := range files {
page, err := NewPage(file.LogicalName)
if err != nil {
@ -413,10 +414,10 @@ func pageReader(s *Site, files <-chan *source.File, results chan<- pageResult, w
}
results <- pageResult{page, nil}
}
wg.Done()
}
func pageRenderer(s *Site, pages <-chan *Page, results chan<- pageResult, wg *sync.WaitGroup) {
func pageConverter(s *Site, pages <-chan *Page, results chan<- pageResult, wg *sync.WaitGroup) {
defer wg.Done()
for page := range pages {
//Handling short codes prior to Conversion to HTML
page.ProcessShortcodes(s.Tmpl)
@ -428,10 +429,9 @@ func pageRenderer(s *Site, pages <-chan *Page, results chan<- pageResult, wg *sy
}
results <- pageResult{page, nil}
}
wg.Done()
}
func renderCollator(s *Site, results <-chan pageResult, errs chan<- error) {
func converterCollator(s *Site, results <-chan pageResult, errs chan<- error) {
errMsgs := []string{}
for r := range results {
if r.err != nil {
@ -665,18 +665,47 @@ func (s *Site) RenderAliases() error {
// Render pages each corresponding to a markdown file
func (s *Site) RenderPages() (err error) {
var wg sync.WaitGroup
for _, page := range s.Pages {
results := make(chan error)
pages := make(chan *Page)
procs := getGoMaxProcs()
wg := &sync.WaitGroup{}
for i := 0; i < procs*4; i++ {
wg.Add(1)
go func(p *Page) (err error) {
var layouts []string
go pageRenderer(s, pages, results, wg)
}
errs := make(chan error)
go renderCollator(s, results, errs)
for _, page := range s.Pages {
pages <- page
}
close(pages)
wg.Wait()
close(results)
return <-errs
}
func pageRenderer(s *Site, pages <-chan *Page, results chan<- error, wg *sync.WaitGroup) {
defer wg.Done()
for p := range pages {
var layouts []string
if !p.IsRenderable() {
self := "__" + p.TargetPath()
_, err := s.Tmpl.New(self).Parse(string(p.Content))
if err != nil {
return err
results <- err
continue
}
layouts = append(layouts, self)
} else {
@ -684,15 +713,23 @@ func (s *Site) RenderPages() (err error) {
layouts = append(layouts, "_default/single.html")
}
return s.render(p, p.TargetPath(), s.appendThemeTemplates(layouts)...)
}(page)
results <- s.render(p, p.TargetPath(), s.appendThemeTemplates(layouts)...)
}
}
wg.Wait()
func renderCollator(s *Site, results <-chan error, errs chan<- error) {
errMsgs := []string{}
for err := range results {
if err != nil {
return err
errMsgs = append(errMsgs, err.Error())
continue
}
return nil
}
if len(errMsgs) == 0 {
errs <- nil
return
}
errs <- fmt.Errorf("Errors rendering pages: %s", strings.Join(errMsgs, "\n"))
}
func (s *Site) appendThemeTemplates(in []string) []string {