diff --git a/.gitignore b/.gitignore
index 54dcebc4d..565866fd4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,7 +28,7 @@ models/*
 /result
 /perplexity
 /embedding
-/benchmark-q4_0-matmult
+/benchmark-matmult
 /vdot
 /Pipfile
 
diff --git a/Makefile b/Makefile
index 1f7ad3edd..823288c27 100644
--- a/Makefile
+++ b/Makefile
@@ -180,7 +180,7 @@ common.o: examples/common.cpp examples/common.h
 	$(CXX) $(CXXFLAGS) -c $< -o $@
 
 clean:
-	rm -vf *.o main quantize quantize-stats perplexity embedding benchmark-q4_0-matmult
+	rm -vf *.o main quantize quantize-stats perplexity embedding benchmark-matmult
 
 main: examples/main/main.cpp ggml.o llama.o common.o $(OBJS)
 	$(CXX) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)
@@ -210,9 +210,9 @@ libllama.so: llama.o ggml.o $(OBJS)
 # Tests
 #
 
-benchmark: examples/benchmark/benchmark-q4_0-matmult.c ggml.o llama.o common.o $(OBJS)
-	$(CXX) $(CXXFLAGS) $^ -o benchmark-q4_0-matmult $(LDFLAGS)
-	./benchmark-q4_0-matmult
+benchmark-matmult: examples/benchmark/benchmark-matmult.cpp ggml.o llama.o common.o $(OBJS)
+	$(CXX) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)
+	./$@
 
 .PHONY: tests
 tests:
diff --git a/examples/benchmark/CMakeLists.txt b/examples/benchmark/CMakeLists.txt
index 6768ead37..05deebcd1 100644
--- a/examples/benchmark/CMakeLists.txt
+++ b/examples/benchmark/CMakeLists.txt
@@ -1,4 +1,4 @@
 set(TARGET benchmark)
-add_executable(${TARGET} benchmark-q4_0-matmult.c)
+add_executable(${TARGET} benchmark-matmult.cpp)
 target_link_libraries(${TARGET} PRIVATE common llama ${CMAKE_THREAD_LIBS_INIT})
 target_compile_features(${TARGET} PRIVATE cxx_std_11)
diff --git a/examples/benchmark/benchmark-q4_0-matmult.c b/examples/benchmark/benchmark-matmult.cpp
similarity index 95%
rename from examples/benchmark/benchmark-q4_0-matmult.c
rename to examples/benchmark/benchmark-matmult.cpp
index 27c00e1ce..83f01d5f0 100644
--- a/examples/benchmark/benchmark-q4_0-matmult.c
+++ b/examples/benchmark/benchmark-matmult.cpp
@@ -1,11 +1,3 @@
-/*
-    License: MIT License
-
-    Changelog:
-    - 2023-03-31 Initial version by Sebastian Apel (https://github.com/SebastianApel)
-
-*/
-
 #include <locale.h>
 #include "ggml.h"
 #include "llama.h"
@@ -99,12 +91,9 @@ int main(int argc, char ** argv)  {
         }
     }
 
-
     // create the ggml context
     printf("Starting Test\n");
 
-
-
     struct ggml_context * ctx;
     //const int sizex = 4096;
     //const int sizey = 11008;
@@ -126,16 +115,18 @@ int main(int argc, char ** argv)  {
 #endif
 
     //printf("Memsize required = %i\n", sizex*sizex);
-    ggml_type wtype = GGML_TYPE_F32;
 
     size_t ctx_size = 0;
-    ctx_size += sizex*sizey*ggml_type_sizef(wtype);
-    ctx_size += sizex*sizey*ggml_type_sizef(wtype);
     ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_F32);
-    ctx_size += sizex*sizeof(float);
-    ctx_size += 1024*1024*100;
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_F32);
+    ctx_size += sizex*sizez*ggml_type_sizef(GGML_TYPE_F32);
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_Q4_0);
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_Q4_0);
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_F32); // BLAS
+    ctx_size += sizex*sizey*ggml_type_sizef(GGML_TYPE_F32); // BLAS
+    ctx_size += 1024*1024*16;
 
-    printf("Allocating Memory of size %li byes, %li MB\n",ctx_size, (ctx_size/1024/1024));
+    printf("Allocating Memory of size %li bytes, %li MB\n",ctx_size, (ctx_size/1024/1024));
 
     struct ggml_init_params params = {
         /*.mem_size   =*/ ctx_size,
@@ -263,7 +254,6 @@ int main(int argc, char ** argv)  {
         ggml_graph_compute(ctx, &gf31);
         long long int stop = ggml_time_us();
         long long int usec = stop-start;
-        float sec = usec/1000000;
         float flops_per_usec = (1.0f*flops_per_matrix)/usec;
         printf("%9i;%8i;%6i;%6i;%6i;%15lli;%18lli;%19.2f\n",
             i,