diff --git a/arduino-builder/main.go b/arduino-builder/main.go
index e55d1caf..9e912334 100644
--- a/arduino-builder/main.go
+++ b/arduino-builder/main.go
@@ -207,13 +207,14 @@ func main() {
 		return
 	}
 
+	ctx := &types.Context{}
+
 	if *jobsFlag > 0 {
-		runtime.GOMAXPROCS(*jobsFlag)
+		ctx.Jobs = *jobsFlag
 	} else {
-		runtime.GOMAXPROCS(runtime.NumCPU())
+		ctx.Jobs = runtime.NumCPU()
 	}
-
-	ctx := &types.Context{}
+	runtime.GOMAXPROCS(ctx.Jobs)
 
 	// place here all experimental features that should live under this flag
 	if *experimentalFeatures {
diff --git a/builder_utils/utils.go b/builder_utils/utils.go
index 9b4cb536..27912e27 100644
--- a/builder_utils/utils.go
+++ b/builder_utils/utils.go
@@ -170,23 +170,27 @@ func compileFilesWithRecipe(ctx *types.Context, objectFiles []string, sourcePath
 
 	ctx.Progress.Steps = ctx.Progress.Steps / float64(len(sources))
 	var wg sync.WaitGroup
-	wg.Add(len(sources))
 
-	for _, source := range sources {
-		go func(source string) {
-			defer wg.Done()
-			PrintProgressIfProgressEnabledAndMachineLogger(ctx)
-			objectFile, err := compileFileWithRecipe(ctx, sourcePath, source, buildPath, buildProperties, includes, recipe)
-			if err != nil {
-				errorsChan <- err
-			} else {
-				objectFilesChan <- objectFile
-			}
-		}(source)
-	}
+	par := ctx.Jobs
 
 	go func() {
-		wg.Wait()
+		for total := 0; total < len(sources); total += par {
+			for i := total; i < total+par && i < len(sources); i++ {
+				wg.Add(1)
+				go func(source string) {
+					defer wg.Done()
+					PrintProgressIfProgressEnabledAndMachineLogger(ctx)
+					objectFile, err := compileFileWithRecipe(ctx, sourcePath, source, buildPath, buildProperties, includes, recipe)
+					if err != nil {
+						errorsChan <- err
+					} else {
+						objectFilesChan <- objectFile
+					}
+				}(sources[i])
+			}
+			wg.Wait()
+		}
+
 		doneChan <- struct{}{}
 	}()
 
diff --git a/types/context.go b/types/context.go
index e9368c08..e90a1e53 100644
--- a/types/context.go
+++ b/types/context.go
@@ -103,6 +103,9 @@ type Context struct {
 
 	// Experimental: use arduino-preprocessor to create prototypes
 	UseArduinoPreprocessor bool
+
+	// Parallel processes
+	Jobs int
 }
 
 func (ctx *Context) ExtractBuildOptions() properties.Map {