diff --git a/common.mk b/common.mk
index a7afc45d..bd263b1d 100644
--- a/common.mk
+++ b/common.mk
@@ -28,6 +28,7 @@ EXTRA_SIM_CXXFLAGS   ?=
 EXTRA_SIM_LDFLAGS    ?=
 EXTRA_SIM_SOURCES    ?=
 EXTRA_SIM_REQS       ?=
+EXTRA_SIM_OUT_NAME   ?=
 
 ifneq ($(ASPECTS), )
 	comma = ,
@@ -367,7 +368,7 @@ get_loadarch_flag = +loadarch=$(subst mem.elf,loadarch,$(1))
 endif
 
 # get the output path base name for simulation outputs, First arg is the binary
-get_sim_out_name = $(output_dir)/$(call get_out_name,$(1))
+get_sim_out_name = $(output_dir)/$(call get_out_name,$(1))$(if $(EXTRA_SIM_OUT_NAME),.$(EXTRA_SIM_OUT_NAME),)
 # sim flags that are common to run-binary/run-binary-fast/run-binary-debug
 get_common_sim_flags = $(SIM_FLAGS) $(EXTRA_SIM_FLAGS) $(SEED_FLAG) $(call get_loadmem_flag,$(1)) $(call get_loadarch_flag,$(1))
 
diff --git a/generators/chipyard/src/main/scala/config/RadianceConfigs.scala b/generators/chipyard/src/main/scala/config/RadianceConfigs.scala
index eb5725df..5b942cdb 100644
--- a/generators/chipyard/src/main/scala/config/RadianceConfigs.scala
+++ b/generators/chipyard/src/main/scala/config/RadianceConfigs.scala
@@ -39,6 +39,7 @@ class RadianceBaseConfig(argsBinFilename: String = "args.bin") extends Config(
   new WithExtMemSize(BigInt("80000000", 16)) ++
   new WithRadBootROM() ++
   new WithRadROMs(0x7FFF0000L, 0x10000, s"sims/${argsBinFilename}") ++
+  new chipyard.harness.WithCeaseSuccess ++
   new chipyard.iobinders.WithCeasePunchThrough ++
   new radiance.subsystem.WithRadianceSimParams(true) ++
   new WithCacheBlockBytes(64) ++
@@ -48,7 +49,7 @@ class RadianceConfig extends Config(
   // important to keep gemmini tile before RadianceCores to ensure radiance tile id is 0-indexed
   new radiance.subsystem.WithRadianceGemmini(location = InCluster(0), dim = 8, extMemBase = x"ff000000", spSizeInKB = 16, accSizeInKB = 8) ++
   new radiance.subsystem.WithRadianceCores(1, location=InCluster(0), useVxCache = false) ++
-  new radiance.subsystem.WithCoalescer(nNewSrcIds = 8) ++
+  new radiance.subsystem.WithCoalescer(nNewSrcIds = 16) ++
   new radiance.subsystem.WithVortexL1Banks(nBanks = 4)++
   new radiance.subsystem.WithRadianceCluster(0) ++
   new RadianceBaseConfig)