8277353: java/security/MessageDigest/ThreadSafetyTest.java test times…

… out

Reviewed-by: weijun

test/jdk/java/security/MessageDigest/ThreadSafetyTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, Azul Systems, Inc. All rights reserved.
+ * Copyright (c) 2020, 2021, Azul Systems, Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,9 +23,9 @@
 
 /*
  * @test
- * @bug 8241960
+ * @bug 8241960 8277353
  * @summary Confirm that java.security.MessageDigest is thread-safe after clone.
- * @run main/othervm ThreadSafetyTest 5 4
+ * @run main ThreadSafetyTest 4 2
  */
 
 import java.security.MessageDigest;
@@ -56,7 +56,7 @@ public static void main(String[] args) throws Exception {
             duration = Integer.parseInt(args[1]);
         }
         int nProcessors = Runtime.getRuntime().availableProcessors();
-        int nTasks = nProcessors * threadsFactor;
+        int nTasks = Math.min(nProcessors, 4) * threadsFactor;
 
         System.out.println("Testing with " + nTasks + " threads on " +
                            nProcessors + " processors for " + duration +