diff --git a/APP_Framework/Applications/benchmark/support/support.h b/APP_Framework/Applications/benchmark/support/support.h
index 3e705bf8b..6ce3c4c6b 100644
--- a/APP_Framework/Applications/benchmark/support/support.h
+++ b/APP_Framework/Applications/benchmark/support/support.h
@@ -29,7 +29,7 @@
 #include <stddef.h>
 #include <transform.h>
 
-#define CPU_MHZ 20
+#define CPU_MHZ 3
 // int CPU_MHZ = 500;
 
 /* Benchmarks must implement verify_benchmark, which must return -1 if no
@@ -64,7 +64,7 @@ static int benchmark(void) __attribute__((noinline));
 static int verify_benchmark(int res);
 
 // fit embench to run on xiuos's kernels
-#define WARMUP_HEAT 5
+#define WARMUP_HEAT 10
 #define MAGIC_NUMBER 0x7777
 
 typedef struct benchmark_t {