Problem: can't use more parallelism than GOMAXPROCS

Solution:
- take the min of GOMAXPROCS and NumCPU

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## UNRELEASED
+
+### Improvements
+
+* [#]() Change the default parallelism of the block-stm to minimum between GOMAXPROCS and NumCPU
+
 *Sep 13, 2024*
 
 ## v1.4.0-rc0

app/app.go

@@ -987,7 +987,7 @@ func New(
 		sdk.SetAddrCacheEnabled(false)
 		workers := cast.ToInt(appOpts.Get(srvflags.EVMBlockSTMWorkers))
 		if workers == 0 {
-			workers = stdruntime.NumCPU()
+			workers = maxParallelism()
 		}
 		preEstimate := cast.ToBool(appOpts.Get(srvflags.EVMBlockSTMPreEstimate))
 		logger.Info("block-stm executor enabled", "workers", workers, "pre-estimate", preEstimate)
@@ -1369,3 +1369,7 @@ func (app *App) Close() error {
 	app.Logger().Info("Application gracefully shutdown", "error", err)
 	return err
 }
+
+func maxParallelism() int {
+	return min(stdruntime.GOMAXPROCS(0), stdruntime.NumCPU())
+}