Merge branch 'kernels' of https://github.com/hansungk/vortex into kernels

tests/regression/sgemm_wg/.gitignore

@@ -0,0 +1,5 @@
+*.bin
+*.dump
+*.elf
+sgemm_wg
+.depend

tests/regression/sgemm_wg/Makefile

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+PROJECT = sgemm_wg
+
+SRCS = main.cpp
+
+VX_SRCS = kernel.cpp
+
+OPTS ?= -n256
+
+include ../common.mk

tests/regression/sgemm_wg/common.h

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+#ifndef _COMMON_H_
+#define _COMMON_H_
+
+#define KERNEL_ARG_DEV_MEM_ADDR 0x7ffff000
+
+typedef struct {
+  uint32_t num_points;
+  uint64_t src_addr;
+  uint64_t dst_addr;  
+} kernel_arg_t;
+
+#endif

tests/regression/sgemm_wg/kernel.cpp

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+#include <stdint.h>
+#include <vx_intrinsics.h>
+#include <vx_spawn.h>
+#include "common.h"
+
+void kernel_body(int task_id, kernel_arg_t* __UNIFORM__ arg) {
+	uint32_t num_points = arg->num_points;
+	float* src_ptr = (float*)arg->src_addr;
+	float* dst_ptr = (float*)arg->dst_addr;
+
+	dst_ptr[task_id] = 2 * src_ptr[task_id];
+}
+
+int main() {
+	kernel_arg_t* arg = (kernel_arg_t*)KERNEL_ARG_DEV_MEM_ADDR;
+	vx_spawn_tasks(arg->num_points, (vx_spawn_tasks_cb)kernel_body, arg);
+	return 0;
+}

tests/regression/sgemm_wg/main.cpp

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+#include <iostream>
+#include <unistd.h>
+#include <string.h>
+#include <vortex.h>
+#include <vector>
+#include "common.h"
+
+#define RT_CHECK(_expr)                                         \
+   do {                                                         \
+     int _ret = _expr;                                          \
+     if (0 == _ret)                                             \
+       break;                                                   \
+     printf("Error: '%s' returned %d!\n", #_expr, (int)_ret);   \
+	 cleanup();			                                              \
+     exit(-1);                                                  \
+   } while (false)
+
+///////////////////////////////////////////////////////////////////////////////
+
+const char* kernel_file = "kernel.bin";
+uint32_t count = 0;
+
+std::vector<float> src_data;
+std::vector<float> ref_data;
+
+vx_device_h device = nullptr;
+std::vector<uint8_t> staging_buf;
+kernel_arg_t kernel_arg = {};
+
+static void show_usage() {
+   std::cout << "Vortex Test." << std::endl;
+   std::cout << "Usage: [-k: kernel] [-n words] [-h: help]" << std::endl;
+}
+
+static void parse_args(int argc, char **argv) {
+  int c;
+  while ((c = getopt(argc, argv, "n:k:h?")) != -1) {
+    switch (c) {
+    case 'n':
+      count = atoi(optarg);
+      break;
+    case 'k':
+      kernel_file = optarg;
+      break;
+    case 'h':
+    case '?': {
+      show_usage();
+      exit(0);
+    } break;
+    default:
+      show_usage();
+      exit(-1);
+    }
+  }
+}
+
+void cleanup() {
+  if (device) {
+    vx_mem_free(device, kernel_arg.src_addr);
+    vx_mem_free(device, kernel_arg.dst_addr);
+    vx_dev_close(device);
+  }
+}
+
+void gen_input_data(uint32_t len) {
+  src_data.resize(len);
+
+  for (uint32_t i = 0; i < len; ++i) {
+    src_data[i] = (float)i;
+    std::cout << i << ": value=" << src_data[i] << std::endl;
+  }  
+}
+
+void gen_ref_data(uint32_t num_points) {
+  ref_data.resize(num_points);
+
+  for (uint32_t i = 0; i < num_points; ++i) {
+    float ref_value = 2 * src_data.at(i);
+    ref_data.at(i) = ref_value;
+  }
+}
+
+int run_test(const kernel_arg_t& kernel_arg,
+             uint32_t buf_size, 
+             uint32_t num_points) {
+  // start device
+  std::cout << "start device" << std::endl;
+  RT_CHECK(vx_start(device));
+
+  // wait for completion
+  std::cout << "wait for completion" << std::endl;
+  RT_CHECK(vx_ready_wait(device, VX_MAX_TIMEOUT));
+
+  // download destination buffer
+  std::cout << "download destination buffer" << std::endl;
+  RT_CHECK(vx_copy_from_dev(device, staging_buf.data(), kernel_arg.dst_addr, buf_size));
+
+  // verify result
+  std::cout << "verify result" << std::endl;  
+  {
+    int errors = 0;
+    auto buf_ptr = (float*)staging_buf.data();
+    for (uint32_t i = 0; i < num_points; ++i) {
+      float ref = ref_data.at(i);
+      float cur = buf_ptr[i];
+      if (cur != ref) {
+        std::cout << "error at result #" << std::dec << i
+                  << std::hex << ": actual=" << cur << ", expected=" << ref << std::endl;
+        ++errors;
+      }
+    }
+    if (errors != 0) {
+      std::cout << "Found " << std::dec << errors << " errors!" << std::endl;
+      std::cout << "FAILED!" << std::endl;
+      return 1;  
+    }
+  }
+
+  return 0;
+}
+
+int main(int argc, char *argv[]) {  
+  // parse command arguments
+  parse_args(argc, argv);
+
+  if (count == 0) {
+    count = 1;
+  }
+
+  std::srand(50);
+
+  // open device connection
+  std::cout << "open device connection" << std::endl;  
+  RT_CHECK(vx_dev_open(&device));
+
+  uint32_t num_points = count;
+
+  // generate input data
+  gen_input_data(num_points);
+
+  // generate reference data
+  gen_ref_data(num_points);
+
+  uint32_t src_buf_size = src_data.size() * sizeof(int32_t);  
+  uint32_t dst_buf_size = ref_data.size() * sizeof(int32_t);
+
+  std::cout << "number of points: " << num_points << std::endl;
+  std::cout << "buffer size: " << dst_buf_size << " bytes" << std::endl;
+
+  // upload program
+  std::cout << "upload program" << std::endl;  
+  RT_CHECK(vx_upload_kernel_file(device, kernel_file));
+
+  // allocate device memory
+  std::cout << "allocate device memory" << std::endl;
+  RT_CHECK(vx_mem_alloc(device, src_buf_size, VX_MEM_TYPE_GLOBAL, &kernel_arg.src_addr));
+  RT_CHECK(vx_mem_alloc(device, dst_buf_size, VX_MEM_TYPE_GLOBAL, &kernel_arg.dst_addr));
+
+  kernel_arg.num_points = num_points;
+
+  std::cout << "dev_src=0x" << std::hex << kernel_arg.src_addr << std::endl;
+  std::cout << "dev_dst=0x" << std::hex << kernel_arg.dst_addr << std::endl;
+  
+  // allocate staging buffer  
+  {
+    std::cout << "allocate staging buffer" << std::endl;    
+    uint32_t staging_buf_size = std::max<uint32_t>(src_buf_size,
+                                    std::max<uint32_t>(dst_buf_size, 
+                                      sizeof(kernel_arg_t)));
+    staging_buf.resize(staging_buf_size);
+  }
+  
+  // upload kernel argument  
+  {
+    std::cout << "upload kernel argument" << std::endl;
+    auto buf_ptr = staging_buf.data();
+    memcpy(buf_ptr, &kernel_arg, sizeof(kernel_arg_t));
+    RT_CHECK(vx_copy_to_dev(device, KERNEL_ARG_DEV_MEM_ADDR, staging_buf.data(), sizeof(kernel_arg_t)));
+  }
+
+  // upload source buffer
+  {
+    std::cout << "upload source buffer" << std::endl;
+    auto buf_ptr = staging_buf.data();
+    memcpy(buf_ptr, src_data.data(), num_points * sizeof(float));      
+    RT_CHECK(vx_copy_to_dev(device, kernel_arg.src_addr, staging_buf.data(), src_buf_size));
+  }
+
+  // clear destination buffer
+  {
+    std::cout << "clear destination buffer" << std::endl;
+    auto buf_ptr = (int32_t*)staging_buf.data();
+    for (uint32_t i = 0; i < num_points; ++i) {
+      buf_ptr[i] = 0xdeadbeef;
+    }    
+    RT_CHECK(vx_copy_to_dev(device, kernel_arg.dst_addr, staging_buf.data(), dst_buf_size));  
+  }
+
+  // run tests
+  std::cout << "run tests" << std::endl;
+  RT_CHECK(run_test(kernel_arg, dst_buf_size, num_points));
+
+  // cleanup
+  std::cout << "cleanup" << std::endl;  
+  cleanup();
+
+  std::cout << "PASSED!" << std::endl;
+
+  return 0;
+}