diff --git a/.gitignore b/.gitignore
index 11652fae..e54e7d78 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,6 +30,8 @@ ckp
 tests/samples/matrixMul
 tests/samples/bandwidthTest
 tests/samples/nbody
+*.code-workspace
+
 
 # Auto-generated by rpcgen
 cpu/cpu_rpc_prot_svc_mod.c
diff --git a/tests/gdb_client_cmds b/tests/gdb_client_cmds
index 825cfdd6..5fe44184 100644
--- a/tests/gdb_client_cmds
+++ b/tests/gdb_client_cmds
@@ -1,3 +1,6 @@
-python gdb.execute("set environment CRICKET_NOHASH=yes")
+python gdb.execute("set environment CRICKET_RPCID=3")
 python gdb.execute("set environment REMOTE_GPU_ADDRESS=localhost")
-python gdb.execute("set environment LD_PRELOAD=../../cpu/cricket-client.so")
\ No newline at end of file
+python gdb.execute("set environment LD_PRELOAD=../../cpu/cricket-client.so")
+#python gdb.execute('set environment LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.5:/cricket/cpu/cricket-client.so')
+#python gdb.execute("set environment ASAN_OPTIONS=protect_shadow_gap=0)
+#python gdb.execute("set environment LSAN_OPTIONS=fast_unwind_on_malloc=0")
diff --git a/tests/samples/.gitignore b/tests/samples/.gitignore
index 33a20c36..64e04dc5 100644
--- a/tests/samples/.gitignore
+++ b/tests/samples/.gitignore
@@ -1,2 +1,3 @@
+cudnn-samples
 samples-bin
 samples
diff --git a/tests/test_apps/Makefile b/tests/test_apps/Makefile
index dafae5a3..be3d4c34 100644
--- a/tests/test_apps/Makefile
+++ b/tests/test_apps/Makefile
@@ -6,11 +6,11 @@ HOST_CFLAGS = -Wall -std=gnu99
 
 CC = nvcc -ccbin g++
 ARCH = sm_61
-CFLAGS = -arch=$(ARCH) -cudart shared
+DEBUG_FLAGS = -g -G
+CFLAGS = -arch=$(ARCH) -cudart shared $(DEBUG_FLAGS)
 #CFLAGS = -arch=$(ARCH)
 LD = nvcc -ccbin g++
-LDFLAGS = -arch=$(ARCH) -cudart shared
-DEBUG_FLAGS = #-g -G
+LDFLAGS = -arch=$(ARCH) -cudart shared $(DEBUG_FLAGS)
 #LDFLAGS = -lcuda -arch=$(ARCH)
 TEST_CPU_BIN = cpu.testapp
 TEST_CPU_O = test_cpu.o
@@ -20,6 +20,9 @@ TEST_KERNEL_BIN = kernel.testapp
 TEST_KERNEL_O = test_kernel.o
 BINARY = cricket.testapp
 
+TEST_CUDNN_BACKEND_BIN = cudnn-backend.testapp
+TEST_CUDNN_BACKEND_O = cudnn-backend-test.o
+
 TEST_KERNEL_LIB_O = test_kernel_lib.o
 TEST_KERNEL_LIB = test_kernel.so
 TEST_KERNEL_LIB_CALL_O = test_kernel_call.o
@@ -57,6 +60,9 @@ $(TEST_KERNEL_BIN) : $(TEST_KERNEL_O)
 
 $(BINARY) : $(FILES)
 	$(LD) $(LDFLAGS) -o $@ $^
+	
+$(TEST_CUDNN_BACKEND_BIN) : $(TEST_CUDNN_BACKEND_O)
+	$(LD) $(LDFLAGS) -o $@ $^ -lcudnn
 
 $(LIBCUDA_OBJ) : $(LIBCUDA_OBJ:.o=.c)
 	$(HOST_CC) -c -fpic -o $@ $< $(LIBCUDA_LIBS)
@@ -78,6 +84,6 @@ $(LIBCUDA_WRAPPER) : $(LIBCUDA_OBJ)
 
 
 clean :
-	rm -f *.elf *.hex *.o *.d .depend *~ $(BINARY) $(LIBCUDA_WRAPPER) $(TEST_CPU_BIN) $(TEST_API_BIN) $(TEST_KERNEL_BIN) $(TEST_KERNEL_LIB) $(TEST_KERNEL_LIB_CALL) 
+	rm -f *.elf *.hex *.o *.d .depend *~ $(BINARY) $(LIBCUDA_WRAPPER) $(TEST_CPU_BIN) $(TEST_API_BIN) $(TEST_KERNEL_BIN) $(TEST_KERNEL_LIB) $(TEST_KERNEL_LIB_CALL) $(TEST_CUDNN_BACKEND_BIN)
 
 
diff --git a/tests/test_apps/cudnn-backend-test.c b/tests/test_apps/cudnn-backend-test.c
new file mode 100644
index 00000000..8e58d89b
--- /dev/null
+++ b/tests/test_apps/cudnn-backend-test.c
@@ -0,0 +1,138 @@
+#include <cudnn.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+
+int main(int argc, char** argv) {
+    printf("Hello World\n");
+    cudnnHandle_t cudnn;
+    cudnnCreate(&cudnn);
+
+    printf("cudnn created\n");
+
+    cudnnBackendDescriptor_t xDesc;
+    cudnnBackendCreateDescriptor(CUDNN_BACKEND_TENSOR_DESCRIPTOR, &xDesc);
+    size_t xId = 'x';
+    cudnnBackendSetAttribute(xDesc, CUDNN_ATTR_TENSOR_UNIQUE_ID,
+                            CUDNN_TYPE_INT64, 1, &xId);
+    cudnnDataType_t dtype = CUDNN_DATA_FLOAT;
+    cudnnBackendSetAttribute(xDesc, CUDNN_ATTR_TENSOR_DATA_TYPE,
+                            CUDNN_TYPE_DATA_TYPE, 1, &dtype);
+    size_t alignment = 4;
+    cudnnBackendSetAttribute(xDesc, CUDNN_ATTR_TENSOR_BYTE_ALIGNMENT,
+                            CUDNN_TYPE_INT64, 1, &alignment);
+    size_t tensor_dims = 3;
+    cudnnBackendSetAttribute(xDesc, CUDNN_ATTR_TENSOR_DIMENSIONS,
+                            CUDNN_TYPE_INT64, 1, &tensor_dims);
+    size_t tensor_stride = 1;
+    cudnnBackendSetAttribute(xDesc, CUDNN_ATTR_TENSOR_STRIDES,
+                            CUDNN_TYPE_INT64, 1, &tensor_stride);
+    cudnnBackendFinalize(xDesc);
+
+    cudnnBackendDescriptor_t outDesc;
+    cudnnBackendCreateDescriptor(CUDNN_BACKEND_TENSOR_DESCRIPTOR, &outDesc);
+    size_t yId = 'y';
+    cudnnBackendSetAttribute(outDesc, CUDNN_ATTR_TENSOR_UNIQUE_ID,
+                            CUDNN_TYPE_INT64, 1, &id);
+    cudnnDataType_t dtype = CUDNN_DATA_FLOAT;
+    cudnnBackendSetAttribute(outDesc, CUDNN_ATTR_TENSOR_DATA_TYPE,
+                            CUDNN_TYPE_DATA_TYPE, 1, &dtype);
+    cudnnBackendSetAttribute(outDesc, CUDNN_ATTR_TENSOR_BYTE_ALIGNMENT,
+                            CUDNN_TYPE_INT64, 1, &alignment);
+    cudnnBackendSetAttribute(outDesc, CUDNN_ATTR_TENSOR_DIMENSIONS,
+                            CUDNN_TYPE_INT64, 1, &tensor_dims);
+    cudnnBackendSetAttribute(outDesc, CUDNN_ATTR_TENSOR_STRIDES,
+                            CUDNN_TYPE_INT64, 1, &tensor_stride);
+    cudnnBackendFinalize(outDesc);
+    
+    printf("cudnn outDesc created\n");
+
+    cudnnBackendDescriptor_t concat;
+    cudnnBackendCreateDescriptor(CUDNN_BACKEND_OPERATION_CONCAT_DESCRIPTOR, &concat);
+    size_t concat_dim = 0;
+    cudnnBackendSetAttribute(concat, CUDNN_ATTR_OPERATION_CONCAT_AXIS,
+                            CUDNN_TYPE_INT64, 1, &concat_dim);
+    cudnnBackendSetAttribute(concat, CUDNN_ATTR_OPERATION_CONCAT_INPUT_DESCS,
+                            CUDNN_TYPE_BACKEND_DESCRIPTOR, 1, &xDesc);
+    cudnnBackendSetAttribute(concat, CUDNN_ATTR_OPERATION_CONCAT_OUTPUT_DESC,
+                            CUDNN_TYPE_BACKEND_DESCRIPTOR, 1, &outDesc);
+    cudnnBackendFinalize(concat);
+
+    printf("cudnn concat created\n");
+
+    cudnnBackendDescriptor_t opset;
+    cudnnBackendCreateDescriptor(CUDNN_BACKEND_OPERATIONGRAPH_DESCRIPTOR, &opset);
+    cudnnBackendSetAttribute(opset, CUDNN_ATTR_OPERATIONGRAPH_HANDLE,
+                            CUDNN_TYPE_HANDLE, 1, &cudnn);
+    cudnnBackendSetAttribute(opset, CUDNN_ATTR_OPERATIONGRAPH_OPS,
+                            CUDNN_TYPE_BACKEND_DESCRIPTOR, 1, &concat);
+    cudnnBackendFinalize(opset);
+
+    printf("cudnn opset created\n");
+
+    cudnnBackendDescriptor_t engine;
+    cudnnBackendCreateDescriptor(CUDNN_BACKEND_ENGINE_DESCRIPTOR, &engine);
+    cudnnBackendSetAttribute(engine, CUDNN_ATTR_ENGINE_OPERATION_GRAPH,
+                             CUDNN_TYPE_BACKEND_DESCRIPTOR, 1, &opset);
+    int64_t gidx = 0;
+    cudnnBackendSetAttribute(engine, CUDNN_ATTR_ENGINE_GLOBAL_INDEX,
+                             CUDNN_TYPE_INT64, 1, &gidx);
+    cudnnBackendFinalize(engine);
+
+    printf("cudnn engine created\n");
+
+    cudnnBackendDescriptor_t engcfg;
+    cudnnBackendSetAttribute(engcfg, CUDNN_ATTR_ENGINECFG_ENGINE,
+                            CUDNN_TYPE_BACKEND_DESCRIPTOR, 1, &engine);
+    cudnnBackendFinalize(engcfg);
+    
+    printf("cudnn engcfg created\n");
+
+    cudnnBackendDescriptor_t plan;
+    cudnnBackendCreateDescriptor(CUDNN_BACKEND_EXECUTION_PLAN_DESCRIPTOR, &plan);
+    cudnnBackendSetAttribute(plan, CUDNN_ATTR_EXECUTION_PLAN_ENGINE_CONFIG,
+                            CUDNN_TYPE_BACKEND_DESCRIPTOR, 1, &engcfg);
+    cudnnBackendFinalize(plan);
+
+    printf("cudnn plan created\n");
+
+    int64_t workspaceSize;
+    cudnnBackendGetAttribute(plan, CUDNN_ATTR_EXECUTION_PLAN_WORKSPACE_SIZE,
+                            CUDNN_TYPE_INT64, 1, NULL, &workspaceSize);
+
+    float *xData = (float*)malloc(3 * sizeof(float));
+    xData[0] = 1.0f;
+    xData[1] = 2.0f;
+    xData[2] = 3.0f;
+    void *xData_dev = NULL;
+    cudaMalloc(&xData_dev, 3 * sizeof(float));
+    cudaMemcpy(xData_dev, xData, 3 * sizeof(float), cudaMemcpyHostToDevice);
+    void *yData_dev = NULL;
+    cudaMalloc(&yData_dev, 3 * sizeof(float));
+
+    void *dev_ptrs[1] = {xData_dev, yData_dev}; // device pointer
+    int64_t uids[1] = {'x', 'y'};
+    void *workspace = NULL;
+    cudaMalloc(&workspace, workspaceSize);
+
+    cudnnBackendDescriptor_t varpack;
+    cudnnBackendCreateDescriptor(CUDNN_BACKEND_VARIANT_PACK_DESCRIPTOR, &varpack);
+    cudnnBackendSetAttribute(varpack, CUDNN_ATTR_1ARIANT_PACK_DATA_POINTERS,
+                            CUDNN_TYPE_VOID_PTR, 2, dev_ptrs);
+    cudnnBackendSetAttribute(varpack, CUDNN_AT1R_VARIANT_PACK_UNIQUE_IDS,
+                            CUDNN_TYPE_INT64, 2, uids);
+    cudnnBackendSetAttribute(varpack, CUDNN_ATTR_VARIANT_PACK_WORKSPACE,
+                            CUDNN_TYPE_VOID_PTR, 1, &workspace);
+    cudnnBackendFinalize(varpack);
+
+    printf("cudnn varpack created\n");
+    
+    cudnnBackendExecute(cudnn, plan, varpack);
+
+    printf("cudnn executed\n");
+    
+    cudnnDestroy(cudnn);
+    return 0;
+}
+