project directories reorganization

driver/tests/demo/demo.cpp

@@ -1,241 +0,0 @@
-#include <iostream>
-#include <unistd.h>
-#include <string.h>
-#include <vortex.h>
-#include "common.h"
-
-const char* program_file = "kernel.bin";
-uint32_t data_stride = 0xffffffff;
-
-static void show_usage() {
-   std::cout << "Vortex Driver Test." << std::endl;
-   std::cout << "Usage: [-f: program] [-n stride] [-h: help]" << std::endl;
-}
-
-static void parse_args(int argc, char **argv) {
-  int c;
-  while ((c = getopt(argc, argv, "n:f:h?")) != -1) {
-    switch (c) {
-    case 'n':
-      data_stride = atoi(optarg);
-      break;
-    case 'f':
-      program_file = optarg;
-      break;
-    case 'h':
-    case '?': {
-      show_usage();
-      exit(0);
-    } break;
-    default:
-      show_usage();
-      exit(-1);
-    }
-  }
-
-  if (nullptr == program_file) {
-    show_usage();
-    exit(-1);
-  }
-}
-
-int run_test(vx_device_h device, 
-             vx_buffer_h buffer, 
-             const kernel_arg_t& kernel_arg,
-             uint32_t buf_size, 
-             uint32_t num_points) {
-  int ret;
-
-  // start device
-  std::cout << "start device" << std::endl;
-  ret = vx_start(device);
-  if (ret != 0) {
-    return ret;  
-  }
-
-  // wait for completion
-  std::cout << "wait for completion" << std::endl;
-  ret = vx_ready_wait(device, -1);
-  if (ret != 0) {
-    return ret;  
-  }
-
-  // flush the destination buffer caches
-  std::cout << "flush the destination buffer caches" << std::endl;
-  ret = vx_flush_caches(device, kernel_arg.dst_ptr, buf_size);
-  if (ret != 0) {
-    return ret;  
-  }
-
-  // download destination buffer
-  std::cout << "download destination buffer" << std::endl;
-  ret = vx_copy_from_dev(buffer, kernel_arg.dst_ptr, buf_size, 0);
-  if (ret != 0) {
-    return ret;  
-  }
-
-  // verify result
-  std::cout << "verify result" << std::endl;  
-  {
-    int errors = 0;
-    auto buf_ptr = (int*)vx_host_ptr(buffer);
-    for (uint32_t i = 0; i < num_points; ++i) {
-      int ref = i + i; 
-      int cur = buf_ptr[i];
-      if (cur != ref) {
-        ++errors;
-      }
-    }
-    if (errors != 0) {
-      std::cout << "Found " << errors << " errors!" << std::endl;
-      std::cout << "FAILED!" << std::endl;
-      return 1;  
-    }
-  }
-
-  return 0;
-}
-
-vx_device_h device = nullptr;
-vx_buffer_h buffer = nullptr;
-
-void cleanup() {
-  if (buffer) {
-    vx_buf_release(buffer);
-  }
-  if (device) {
-    vx_dev_close(device);
-  }
-}
-
-int main(int argc, char *argv[]) {
-  int ret;
-  size_t value; 
-  kernel_arg_t kernel_arg;
-  
-  // parse command arguments
-  parse_args(argc, argv);
-
-  uint32_t block_size = vx_dev_caps(VX_CAPS_CACHE_LINESIZE);
-  uint32_t max_cores = vx_dev_caps(VX_CAPS_MAX_CORES);
-  uint32_t max_warps = vx_dev_caps(VX_CAPS_MAX_WARPS);
-  uint32_t max_threads = vx_dev_caps(VX_CAPS_MAX_THREADS);
-
-  if (data_stride == 0xffffffff) {
-    data_stride = block_size / sizeof(uint32_t);
-  }
-
-  uint32_t num_points = max_cores * max_warps * max_threads * data_stride;
-  uint32_t buf_size = num_points * sizeof(uint32_t);
-
-  std::cout << "number of workitems: " << num_points << std::endl;
-
-  // open device connection
-  std::cout << "open device connection" << std::endl;  
-  ret = vx_dev_open(&device);
-  if (ret != 0)
-    return ret;
-
-  // upload program
-  std::cout << "upload program" << std::endl;  
-  ret = vx_upload_kernel_file(device, program_file);
-  if (ret != 0) {
-    cleanup();
-    return ret;  
-  }
-
-  // allocate device memory
-  std::cout << "allocate device memory" << std::endl;  
-
-  ret = vx_alloc_dev_mem(device, buf_size, &value);
-  if (ret != 0) {
-    cleanup();
-    return ret;  
-  }
-  kernel_arg.src0_ptr = value;
-
-  ret = vx_alloc_dev_mem(device, buf_size, &value);
-  if (ret != 0) {
-    cleanup();
-    return ret;  
-  }
-  kernel_arg.src1_ptr = value;
-
-  ret = vx_alloc_dev_mem(device, buf_size, &value);
-  if (ret != 0) {
-    cleanup();
-    return ret;  
-  }
-  kernel_arg.dst_ptr = value;
-
-  // allocate shared memory  
-  std::cout << "allocate shared memory" << std::endl;    
-  uint32_t alloc_size = std::max<uint32_t>(buf_size, sizeof(kernel_arg_t));
-  ret = vx_alloc_shared_mem(device, alloc_size, &buffer);
-  if (ret != 0) {
-    cleanup();
-    return ret;  
-  }
-
-  // populate source buffer values
-  std::cout << "populate source buffer values" << std::endl;    
-  {
-    auto buf_ptr = (int*)vx_host_ptr(buffer);
-    for (uint32_t i = 0; i < num_points; ++i) {
-      buf_ptr[i] = i;
-    }
-  }
-
-  // upload source buffers
-  std::cout << "upload source buffers" << std::endl;    
-  
-  ret = vx_copy_to_dev(buffer, kernel_arg.src0_ptr, buf_size, 0);
-  if (ret != 0) {
-    cleanup();
-    return ret;  
-  }
-
-  ret = vx_copy_to_dev(buffer, kernel_arg.src1_ptr, buf_size, 0);
-  if (ret != 0) {
-    cleanup();
-    return ret;  
-  }
-
-  // upload kernel argument
-  std::cout << "upload kernel argument" << std::endl;
-  {
-    kernel_arg.num_warps = max_warps;
-    kernel_arg.num_threads = max_threads;
-    kernel_arg.stride = data_stride;
-
-    auto buf_ptr = (int*)vx_host_ptr(buffer);
-    memcpy(buf_ptr, &kernel_arg, sizeof(kernel_arg_t));
-    ret = vx_copy_to_dev(buffer, KERNEL_ARG_DEV_MEM_ADDR, sizeof(kernel_arg_t), 0);
-    if (ret != 0) {
-      cleanup();
-      return ret;  
-    }
-  }
-
-  // run tests
-  std::cout << "run tests" << std::endl;
-  ret = run_test(device, buffer, kernel_arg, buf_size, num_points);
-  if (ret != 0) {
-    cleanup();
-    return ret;
-  }
-  
-  ret = run_test(device, buffer, kernel_arg, buf_size, num_points);
-  if (ret != 0) {
-    cleanup();
-    return ret;
-  }
-
-  // cleanup
-  std::cout << "cleanup" << std::endl;  
-  cleanup();
-
-  std::cout << "PASSED!" << std::endl;
-
-  return 0;
-}