diff --git a/radiance.mk b/radiance.mk
index bd84102..14de881 100644
--- a/radiance.mk
+++ b/radiance.mk
@@ -24,7 +24,7 @@ ifeq ($(shell echo $(CONFIG) | grep -E "HopperConfig$$"),$(CONFIG))
     EXTRA_SIM_PREPROC_DEFINES += +define+NUM_CORES=4 +define+EXT_T_HOPPER
 endif
 ifeq ($(shell echo $(CONFIG) | grep -E "BlackwellConfig$$"),$(CONFIG))
-    EXTRA_SIM_PREPROC_DEFINES += +define+NUM_CORES=4 +define+EXT_T_BLACKWELL
+    EXTRA_SIM_PREPROC_DEFINES += +define+NUM_CORES=1 +define+NUM_WARPS=4 +define+NUM_THREADS=4 +define+NUM_BARRIERS=4 +define+LSUQ_SIZE=32 +define+EXT_T_BLACKWELL
 endif
 ifeq ($(shell echo $(CONFIG) | grep -E "FlashConfig$$"),$(CONFIG))
     EXTRA_SIM_PREPROC_DEFINES += +define+NUM_CORES=4
diff --git a/src/main/resources/vsrc/vortex b/src/main/resources/vsrc/vortex
index a0b08f4..3a8ff94 160000
--- a/src/main/resources/vsrc/vortex
+++ b/src/main/resources/vsrc/vortex
@@ -1 +1 @@
-Subproject commit a0b08f4c81be9446ace511c9aa49ee226bb97505
+Subproject commit 3a8ff9490a04f2104ec3fd0a12c5cef049b49688