diff --git a/radiance.mk b/radiance.mk
index b2b61ed..1a37e22 100644
--- a/radiance.mk
+++ b/radiance.mk
@@ -16,7 +16,8 @@ EXTRA_SIM_PREPROC_DEFINES += \
 	+define+SV_DPI \
 	+define+GPR_RESET \
 	+define+LSU_DUP_DISABLE \
-	+define+DBG_TRACE_CORE_PIPELINE_VCS
+	+define+DBG_TRACE_CORE_PIPELINE_VCS \
+	+define+NUM_THREADS=8 +define+NUM_WARPS=8
 
 # cargo handles building of Rust files all on its own, so make this a PHONY
 # target to run cargo unconditionally