diff --git a/smp/callback001/Makefile b/smp/callback001/Makefile
index 0e7491f69fcc0f3dc869b1879509aecd45ba8a51..e0d9eacf0b5b2e8352210dfd7501ed08f3ef6cea 100644
--- a/smp/callback001/Makefile
+++ b/smp/callback001/Makefile
@@ -2,8 +2,8 @@ TOP = ../..
 include $(TOP)/mk/boilerplate.mk
 
 FAST_OPTS = 100
-NORM_OPTS = 200
-SLOW_OPTS = 500
+NORM_OPTS = 1000
+SLOW_OPTS = 2000
 
 OBJS += Main_stub.o
 
diff --git a/smp/threads001/Makefile b/smp/threads001/Makefile
index 117ffadff4a6f23b716002c630928680ee399bd6..ac261676b39240e5c83314204aa8074a4642adcc 100644
--- a/smp/threads001/Makefile
+++ b/smp/threads001/Makefile
@@ -1,8 +1,8 @@
 TOP = ../..
 include $(TOP)/mk/boilerplate.mk
 
-FAST_OPTS = 100000
-NORM_OPTS = 1000000
-SLOW_OPTS = 10000000
+FAST_OPTS = 1000000
+NORM_OPTS = 10000000
+SLOW_OPTS = 100000000
 
 include $(TOP)/mk/target.mk
diff --git a/smp/threads003/Makefile b/smp/threads003/Makefile
index cc7c378f08934c331d236c545e15513c513f8011..27098751991a0d68be6f1ca80f3707416a5cd512 100644
--- a/smp/threads003/Makefile
+++ b/smp/threads003/Makefile
@@ -2,7 +2,7 @@ TOP = ../..
 include $(TOP)/mk/boilerplate.mk
 
 FAST_OPTS = 5000
-NORM_OPTS = 10000
-SLOW_OPTS = 20000
+NORM_OPTS = 20000
+SLOW_OPTS = 40000
 
 include $(TOP)/mk/target.mk