8299962: Speed up compiler/intrinsics/unsafe/DirectByteBufferTest.java and HeapByteBufferTest.java

Reviewed-by: kvn, thartmann

Author: eme64

test/hotspot/jtreg/compiler/intrinsics/unsafe/DirectByteBufferTest.java

@@ -41,7 +41,7 @@ public DirectByteBufferTest(long iterations, boolean direct) {
     public static void main(String[] args) {
         // The number of iterations is high to ensure that tiered
         // compilation kicks in all the way up to C2.
-        long iterations = 100000;
+        long iterations = 5000;
         if (args.length > 0)
             iterations = Long.parseLong(args[0]);
 

test/hotspot/jtreg/compiler/intrinsics/unsafe/HeapByteBufferTest.java

@@ -59,7 +59,7 @@ public HeapByteBufferTest(long iterations, boolean direct) {
     public static void main(String[] args) {
         // The number of iterations is high to ensure that tiered
         // compilation kicks in all the way up to C2.
-        long iterations = 100000;
+        long iterations = 5000;
         if (args.length > 0)
             iterations = Long.parseLong(args[0]);