hugolib: Cleanup the Goroutine count calculation

hugolib/hugo_sites.go

@@ -484,8 +484,9 @@ func (h *HugoSites) setupTranslations() {
 func (s *Site) preparePagesForRender(cfg *BuildCfg) {
 	pageChan := make(chan *Page)
 	wg := &sync.WaitGroup{}
+	numWorkers := getGoMaxProcs() * 4
 
-	for i := 0; i < getGoMaxProcs()*4; i++ {
+	for i := 0; i < numWorkers; i++ {
 		wg.Add(1)
 		go func(pages <-chan *Page, wg *sync.WaitGroup) {
 			defer wg.Done()

hugolib/site.go

@@ -1150,11 +1150,10 @@ func (s *Site) readPagesFromSource() chan error {
 	files := s.Source.Files()
 	results := make(chan HandledResult)
 	filechan := make(chan *source.File)
-	procs := getGoMaxProcs()
 	wg := &sync.WaitGroup{}
-
-	wg.Add(procs * 4)
-	for i := 0; i < procs*4; i++ {
+	numWorkers := getGoMaxProcs() * 4
+	wg.Add(numWorkers)
+	for i := 0; i < numWorkers; i++ {
 		go sourceReader(s, filechan, results, wg)
 	}
 
@@ -1178,11 +1177,11 @@ func (s *Site) convertSource() chan error {
 	results := make(chan HandledResult)
 	pageChan := make(chan *Page)
 	fileConvChan := make(chan *source.File)
-	procs := getGoMaxProcs()
+	numWorkers := getGoMaxProcs() * 4
 	wg := &sync.WaitGroup{}
 
-	wg.Add(2 * procs * 4)
-	for i := 0; i < procs*4; i++ {
+	for i := 0; i < numWorkers; i++ {
+		wg.Add(2)
 		go fileConverter(s, fileConvChan, results, wg)
 		go pageConverter(pageChan, results, wg)
 	}

hugolib/site_render.go

@@ -33,11 +33,11 @@ func (s *Site) renderPages() error {
 
 	go errorCollator(results, errs)
 
-	procs := getGoMaxProcs()
+	numWorkers := getGoMaxProcs() * 4
 
 	wg := &sync.WaitGroup{}
 
-	for i := 0; i < procs*4; i++ {
+	for i := 0; i < numWorkers; i++ {
 		wg.Add(1)
 		go pageRenderer(s, pages, results, wg)
 	}