diff --git a/src/Makefile b/src/Makefile
index 9c93508e4..a890d58f7 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -110,6 +110,11 @@ GPU_Microbenchmark:
 	$(SETENV) $(MAKE) $(MAKE_ARGS) -C cuda/GPU_Microbenchmark
 	mv cuda/GPU_Microbenchmark/bin/* $(BINDIR)/$(BINSUBDIR)/
 
+GPU_Microbenchmark_gmma:
+	mkdir -p $(BINDIR)/$(BINSUBDIR)/
+	$(SETENV) $(MAKE) $(MAKE_ARGS) -C cuda/GPU_Microbenchmark gmma
+	mv cuda/GPU_Microbenchmark/bin/* $(BINDIR)/$(BINSUBDIR)/
+
 
 Deepbench_nvidia:
 	$(SETENV) $(MAKE) $(MAKE_ARGS) -C cuda/DeepBench/code/nvidia
diff --git a/src/cuda/GPU_Microbenchmark/Makefile b/src/cuda/GPU_Microbenchmark/Makefile
index a21e5980e..bd272159d 100644
--- a/src/cuda/GPU_Microbenchmark/Makefile
+++ b/src/cuda/GPU_Microbenchmark/Makefile
@@ -1,12 +1,18 @@
 BASE_DIR := $(shell pwd)
 BIN_DIR := $(BASE_DIR)/bin
-SUB_DIRS        = $(wildcard ubench/*/*/)
+ALL_SUB_DIRS    = $(wildcard ubench/*/*/)
+GMMA_DIRS       = $(filter %gmma/,$(ALL_SUB_DIRS))
+SUB_DIRS        = $(filter-out $(GMMA_DIRS),$(ALL_SUB_DIRS))
 SUB_DIRS_ALL    = $(SUB_DIRS:%=all-%)
 SUB_DIRS_CLEAN  = $(SUB_DIRS:%=clean-%)
+GMMA_DIRS_ALL   = $(GMMA_DIRS:%=all-%)
+GMMA_DIRS_CLEAN = $(GMMA_DIRS:%=clean-%)
 
 
 all: create_dir $(SUB_DIRS_ALL)
+gmma: create_dir $(GMMA_DIRS_ALL)
 clean: delete_dir $(SUB_DIRS_CLEAN)
+clean_gmma: $(GMMA_DIRS_CLEAN)
 
 $(SUB_DIRS_ALL):
 	$(MAKE) $(MAKE_FLAGS) -C $(@:all-%=%)