diff --git a/radiance.mk b/radiance.mk
index 6a1d066..c378f1e 100644
--- a/radiance.mk
+++ b/radiance.mk
@@ -25,7 +25,7 @@ EXTRA_SIM_PREPROC_DEFINES += \
 	+define+NUM_FPU_BLOCKS=2 \
 	+define+NUM_BARRIERS=8 \
 	+define+NUM_LSU_LANES=8 \
-	+define+NUM_CORES=1 +define+NUM_THREADS=8 +define+NUM_WARPS=8
+	+define+NUM_CORES=2 +define+NUM_THREADS=8 +define+NUM_WARPS=8
 	# +define+EXT_T_DISABLE \
 	# +define+FPU_FPNEW \
 	# +define+SMEM_LOG_SIZE=15 \