adding stress test

driver/tests/stress/kernel.c

@@ -0,0 +1,29 @@
+#include <stdint.h>
+#include <vx_intrinsics.h>
+#include <vx_spawn.h>
+#include "common.h"
+
+void kernel_body(int task_id, void* arg) {
+	struct kernel_arg_t* _arg = (struct kernel_arg_t*)(arg);	
+	uint32_t stride    = _arg->stride;
+	int32_t* src0_ptr  = (int32_t*)_arg->src0_ptr;
+	uint32_t* src1_ptr = (uint32_t*)_arg->src1_ptr;
+	int32_t* dst_ptr   = (int32_t*)_arg->dst_ptr;
+	
+	uint32_t offset = task_id * stride;
+
+	for (uint32_t i = 0; i < stride; ++i) {
+		int value = 0;
+		for (uint32_t j = 0; j < NUM_LOADS; ++j) {
+			uint32_t addr  = offset + i + j;
+			uint32_t index = src1_ptr[addr];
+			value += src0_ptr[index];
+		}
+		dst_ptr[offset+i] = value;
+	}
+}
+
+void main() {
+	struct kernel_arg_t* arg = (struct kernel_arg_t*)KERNEL_ARG_DEV_MEM_ADDR;
+	vx_spawn_tasks(arg->num_tasks, kernel_body, arg);
+}