Tweak number of processes for run tests

Author: liufengyun

compiler/test/dotty/tools/dotc/BootstrappedOnlyCompilationTests.scala

@@ -22,7 +22,7 @@ class BootstrappedOnlyCompilationTests extends ParallelTesting {
   // Test suite configuration --------------------------------------------------
 
   def maxDuration = 60.seconds
-  def numberOfSlaves = 5
+  def numberOfSlaves = Runtime.getRuntime().availableProcessors()
   def safeMode = Properties.testsSafeMode
   def isInteractive = SummaryReport.isInteractive
   def testFilter = Properties.testsFilter

compiler/test/dotty/tools/dotc/CompilationTests.scala

@@ -328,7 +328,7 @@ object CompilationTests extends ParallelTesting {
   // Test suite configuration --------------------------------------------------
 
   def maxDuration = 45.seconds
-  def numberOfSlaves = 5
+  def numberOfSlaves = Runtime.getRuntime().availableProcessors()
   def safeMode = Properties.testsSafeMode
   def isInteractive = SummaryReport.isInteractive
   def testFilter = Properties.testsFilter

compiler/test/dotty/tools/dotc/FromTastyTests.scala

@@ -41,7 +41,7 @@ object FromTastyTests extends ParallelTesting {
   // Test suite configuration --------------------------------------------------
 
   def maxDuration = 30.seconds
-  def numberOfSlaves = 5
+  def numberOfSlaves = Runtime.getRuntime().availableProcessors()
   def safeMode = Properties.testsSafeMode
   def isInteractive = SummaryReport.isInteractive
   def testFilter = Properties.testsFilter