Don't make more checkers than files

jakebailey · jakebailey · commit 90b07ef05a3a · 2025-06-12T15:43:13.000-07:00
diff --git a/internal/core/concurrency.go b/internal/core/concurrency.go
@@ -53,10 +53,9 @@ func (c Concurrency) SingleThreaded() bool {
 }
 
 func (c Concurrency) CheckerCount(numFiles int) int {
-	if c.checkerCount == -1 {
-		return max(1, numFiles)
-	}
-	return max(1, c.checkerCount)
+	checkerCount := min(c.checkerCount, numFiles)
+	checkerCount = max(1, checkerCount)
+	return checkerCount
 }
 
 var testProgramConcurrency = sync.OnceValues(func() (concurrency Concurrency, raw string) {

Original file line number	Diff line number	Diff line change
`@@ -53,10 +53,9 @@ func (c Concurrency) SingleThreaded() bool {`
`53`	`53`	`}`
`54`	`54`
`55`	`55`	`func (c Concurrency) CheckerCount(numFiles int) int {`
`56`		`- if c.checkerCount == -1 {`
`57`		`- return max(1, numFiles)`
`58`		`- }`
`59`		`- return max(1, c.checkerCount)`
	`56`	`+ checkerCount := min(c.checkerCount, numFiles)`
	`57`	`+ checkerCount = max(1, checkerCount)`
	`58`	`+ return checkerCount`
`60`	`59`	`}`
`61`	`60`
`62`	`61`	`var testProgramConcurrency = sync.OnceValues(func() (concurrency Concurrency, raw string) {`