251 lines
7.2 KiB
C++
251 lines
7.2 KiB
C++
#include <iostream>
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#include <unistd.h>
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#include <string.h>
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#include <vector>
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#include <chrono>
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#include <vortex.h>
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#include "common.h"
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#define FLOAT_ULP 6
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#define RT_CHECK(_expr) \
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do { \
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int _ret = _expr; \
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if (0 == _ret) \
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break; \
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printf("Error: '%s' returned %d!\n", #_expr, (int)_ret); \
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cleanup(); \
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exit(-1); \
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} while (false)
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///////////////////////////////////////////////////////////////////////////////
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template <typename Type>
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class Comparator {};
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template <>
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class Comparator<int> {
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public:
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static const char* type_str() {
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return "integer";
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}
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static int generate() {
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return rand();
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}
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static bool compare(int a, int b, int index, int errors) {
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if (a != b) {
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if (errors < 100) {
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printf("*** error: [%d] expected=%d, actual=%d\n", index, a, b);
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}
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return false;
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}
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return true;
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}
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};
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template <>
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class Comparator<float> {
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public:
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static const char* type_str() {
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return "float";
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}
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static int generate() {
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return static_cast<float>(rand()) / RAND_MAX;
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}
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static bool compare(float a, float b, int index, int errors) {
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union fi_t { float f; int32_t i; };
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fi_t fa, fb;
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fa.f = a;
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fb.f = b;
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auto d = std::abs(fa.i - fb.i);
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if (d > FLOAT_ULP) {
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if (errors < 100) {
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printf("*** error: [%d] expected=%f, actual=%f\n", index, a, b);
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}
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return false;
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}
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return true;
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}
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};
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static void matmul_cpu(TYPE* out, const TYPE* A, const TYPE* B, uint32_t width, uint32_t height) {
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for (uint32_t row = 0; row < height; ++row) {
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for (uint32_t col = 0; col < width; ++col) {
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TYPE sum(0);
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for (uint32_t e = 0; e < width; ++e) {
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sum += A[row * width + e] * B[e * width + col];
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}
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out[row * width + col] = sum;
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}
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}
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}
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const char* kernel_file = "kernel.bin";
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uint32_t size = 32;
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vx_device_h device = nullptr;
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std::vector<uint8_t> staging_buf;
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kernel_arg_t kernel_arg = {};
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static void show_usage() {
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std::cout << "Vortex Test." << std::endl;
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std::cout << "Usage: [-k: kernel] [-n size] [-h: help]" << std::endl;
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}
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static void parse_args(int argc, char **argv) {
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int c;
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while ((c = getopt(argc, argv, "n:k:h?")) != -1) {
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switch (c) {
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case 'n':
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size = atoi(optarg);
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break;
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case 'k':
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kernel_file = optarg;
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break;
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case 'h':
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case '?': {
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show_usage();
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exit(0);
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} break;
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default:
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show_usage();
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exit(-1);
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}
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}
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}
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void cleanup() {
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if (device) {
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vx_mem_free(device, kernel_arg.A_addr);
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vx_mem_free(device, kernel_arg.B_addr);
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vx_mem_free(device, kernel_arg.C_addr);
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vx_dev_close(device);
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}
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}
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int main(int argc, char *argv[]) {
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// parse command arguments
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parse_args(argc, argv);
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std::srand(50);
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// open device connection
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std::cout << "open device connection" << std::endl;
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RT_CHECK(vx_dev_open(&device));
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uint32_t num_points = size * size;
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uint32_t buf_size = num_points * sizeof(TYPE);
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std::cout << "data type: " << Comparator<TYPE>::type_str() << std::endl;
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std::cout << "matrix size: " << size << "x" << size << std::endl;
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std::cout << "buffer size: " << buf_size << " bytes" << std::endl;
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// upload program
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std::cout << "upload program" << std::endl;
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RT_CHECK(vx_upload_kernel_file(device, kernel_file));
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// allocate device memory
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std::cout << "allocate device memory" << std::endl;
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RT_CHECK(vx_mem_alloc(device, buf_size, VX_MEM_TYPE_GLOBAL, &kernel_arg.A_addr));
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RT_CHECK(vx_mem_alloc(device, buf_size, VX_MEM_TYPE_GLOBAL, &kernel_arg.B_addr));
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RT_CHECK(vx_mem_alloc(device, buf_size, VX_MEM_TYPE_GLOBAL, &kernel_arg.C_addr));
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kernel_arg.num_tasks = num_points;
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kernel_arg.size = size;
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std::cout << "dev_src0=0x" << std::hex << kernel_arg.A_addr << std::endl;
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std::cout << "dev_src1=0x" << std::hex << kernel_arg.B_addr << std::endl;
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std::cout << "dev_dst=0x" << std::hex << kernel_arg.C_addr << std::endl;
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// allocate staging buffer
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std::cout << "allocate staging buffer" << std::endl;
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uint32_t alloc_size = std::max<uint32_t>(buf_size, sizeof(kernel_arg_t));
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staging_buf.resize(alloc_size);
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// upload kernel argument
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std::cout << "upload kernel argument" << std::endl;
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memcpy(staging_buf.data(), &kernel_arg, sizeof(kernel_arg_t));
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RT_CHECK(vx_copy_to_dev(device, KERNEL_ARG_DEV_MEM_ADDR, staging_buf.data(), sizeof(kernel_arg_t)));
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// generate source data
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std::vector<TYPE> src_A(num_points);
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std::vector<TYPE> src_B(num_points);
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std::vector<TYPE> refs(num_points);
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for (uint32_t i = 0; i < num_points; ++i) {
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auto a = static_cast<float>(std::rand()) / RAND_MAX;
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auto b = static_cast<float>(std::rand()) / RAND_MAX;
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src_A[i] = static_cast<TYPE>(a * size);
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src_B[i] = static_cast<TYPE>(b * size);
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}
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matmul_cpu(refs.data(), src_A.data(), src_B.data(), size, size);
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// upload source buffer0
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{
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std::cout << "upload source buffer0" << std::endl;
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auto buf_ptr = (TYPE*)staging_buf.data();
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for (uint32_t i = 0; i < num_points; ++i) {
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buf_ptr[i] = src_A[i];
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}
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RT_CHECK(vx_copy_to_dev(device, kernel_arg.A_addr, staging_buf.data(), buf_size));
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}
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// upload source buffer1
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{
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std::cout << "upload source buffer1" << std::endl;
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auto buf_ptr = (TYPE*)staging_buf.data();
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for (uint32_t i = 0; i < num_points; ++i) {
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buf_ptr[i] = src_B[i];
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}
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RT_CHECK(vx_copy_to_dev(device, kernel_arg.B_addr, staging_buf.data(), buf_size));
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}
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// clear destination buffer
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std::cout << "clear destination buffer" << std::endl;
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memset(staging_buf.data(), 0, num_points * sizeof(TYPE));
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RT_CHECK(vx_copy_to_dev(device, kernel_arg.C_addr, staging_buf.data(), buf_size));
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auto time_start = std::chrono::high_resolution_clock::now();
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// start device
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std::cout << "start device" << std::endl;
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RT_CHECK(vx_start(device));
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// wait for completion
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std::cout << "wait for completion" << std::endl;
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RT_CHECK(vx_ready_wait(device, VX_MAX_TIMEOUT));
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auto time_end = std::chrono::high_resolution_clock::now();
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double elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(time_end - time_start).count();
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printf("Elapsed time: %lg ms\n", elapsed);
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// download destination buffer
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std::cout << "download destination buffer" << std::endl;
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RT_CHECK(vx_copy_from_dev(device, staging_buf.data(), kernel_arg.C_addr, buf_size));
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// verify result
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std::cout << "verify result" << std::endl;
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{
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int errors = 0;
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auto buf_ptr = (TYPE*)staging_buf.data();
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for (uint32_t i = 0; i < refs.size(); ++i) {
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auto ref = refs[i];
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auto cur = buf_ptr[i];
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if (!Comparator<TYPE>::compare(cur, ref, i, errors)) {
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++errors;
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}
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}
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if (errors != 0) {
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std::cout << "Found " << std::dec << errors << " errors!" << std::endl;
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std::cout << "FAILED!" << std::endl;
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return 1;
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}
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}
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// cleanup
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std::cout << "cleanup" << std::endl;
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cleanup();
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std::cout << "PASSED!" << std::endl;
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return 0;
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} |