Vortex 2.0 changes:

+ Microarchitecture optimizations
+ 64-bit support
+ Xilinx FPGA support
+ LLVM-16 support
+ Refactoring and quality control fixes

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cleanup

cleanup

cache bindings and memory perf refactory

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hw unit tests fixes

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minor udpate

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tests/opencl/kmeans/main.cc

@@ -104,8 +104,8 @@ static int initialize(int use_gpu) {
   context = clCreateContext(NULL, 1, device_list, NULL, NULL,  &result);
 
   // create command queue for the first device
-  cmd_queue = clCreateCommandQueue(context, device_list[0], 0, NULL);
-  if (!cmd_queue) {
+  cmd_queue = clCreateCommandQueue(context, device_list[0], 0, &result);
+  if (!cmd_queue || result != CL_SUCCESS) {
     printf("ERROR: clCreateCommandQueue() failed\n");
     return -1;
   }
@@ -120,7 +120,7 @@ static int shutdown() {
   if (context)
     clReleaseContext(context);
   if (device_list)
-    delete device_list;
+    delete [] device_list;
 
   // reset all variables
   cmd_queue = 0;
@@ -188,7 +188,7 @@ int allocate(int n_points, int n_features, int n_clusters, float **feature) {
   fread(source + strlen(source), sourcesize, 1, fp);
   fclose(fp);*/
 
-  // OpenCL initialization
+  // OpenCL initialization  
   int use_gpu = 1;
   if (initialize(use_gpu))
     return -1;
@@ -197,12 +197,25 @@ int allocate(int n_points, int n_features, int n_clusters, float **feature) {
   cl_int err = 0;
   //const char *slist[2] = {source, 0};
   //cl_program prog = clCreateProgramWithSource(context, 1, slist, NULL, &err);
-  cl_program prog = clCreateProgramWithBuiltInKernels(context, 1, device_list, "kmeans_kernel_c;kmeans_swap", &err);       
+  uint8_t *kernel_bin = NULL;
+  size_t kernel_size;
+  cl_int binary_status = 0;  
+  err = read_kernel_file("kernel.pocl", &kernel_bin, &kernel_size);
   if (err != CL_SUCCESS) {
-    printf("ERROR: clCreateProgramWithSource() => %d\n", err);
+    printf("ERROR: read_kernel_file() => %d\n", err);
     return -1;
   }
-  err = clBuildProgram(prog, 0, NULL, NULL, NULL, NULL);
+
+	cl_program prog = clCreateProgramWithBinary(
+      context, 1, device_list, &kernel_size, (const uint8_t**)&kernel_bin, &binary_status, &err);
+  if (err != CL_SUCCESS) {
+    printf("ERROR: clCreateProgramWithBinary() => %d\n", err);
+    return -1;
+  }
+
+  free(kernel_bin);
+
+  err = clBuildProgram(prog, 1, &device_list[0], NULL, NULL, NULL);
   { // show warnings/errors
     //	static char log[65536]; memset(log, 0, sizeof(log));
     //	cl_device_id device_id = 0;
@@ -226,6 +239,7 @@ int allocate(int n_points, int n_features, int n_clusters, float **feature) {
     printf("ERROR: clCreateKernel() 0 => %d\n", err);
     return -1;
   }
+
   kernel2 = clCreateKernel(prog, kernel_swap, &err);
   if (err != CL_SUCCESS) {
     printf("ERROR: clCreateKernel() 0 => %d\n", err);
@@ -241,6 +255,7 @@ int allocate(int n_points, int n_features, int n_clusters, float **feature) {
            n_points * n_features, err);
     return -1;
   }
+
   d_feature_swap =
       clCreateBuffer(context, CL_MEM_READ_WRITE,
                      n_points * n_features * sizeof(float), NULL, &err);
@@ -249,6 +264,7 @@ int allocate(int n_points, int n_features, int n_clusters, float **feature) {
            n_points * n_features, err);
     return -1;
   }
+
   d_cluster =
       clCreateBuffer(context, CL_MEM_READ_WRITE,
                      n_clusters * n_features * sizeof(float), NULL, &err);
@@ -257,6 +273,7 @@ int allocate(int n_points, int n_features, int n_clusters, float **feature) {
            n_clusters * n_features, err);
     return -1;
   }
+
   d_membership = clCreateBuffer(context, CL_MEM_READ_WRITE,
                                 n_points * sizeof(int), NULL, &err);
   if (err != CL_SUCCESS) {
@@ -296,6 +313,8 @@ int allocate(int n_points, int n_features, int n_clusters, float **feature) {
   }
 
   membership_OCL = (int *)malloc(n_points * sizeof(int));
+
+  return 0;
 }
 
 void deallocateMemory() {