mirror of
https://github.com/Lizonghang/prima.cpp.git
synced 2025-09-06 01:49:42 +00:00
591 lines
18 KiB
C++
591 lines
18 KiB
C++
#include "log.h"
|
|
#include "profiler.h"
|
|
#include "ggml.h"
|
|
#include "ggml-backend.h"
|
|
#include "llama.h"
|
|
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
#include <windows.h>
|
|
#elif defined(__linux__)
|
|
#include <unistd.h>
|
|
#include <sys/sysinfo.h>
|
|
#elif defined(__APPLE__) && defined(__MACH__)
|
|
#include <sys/sysctl.h>
|
|
#include <mach/mach.h>
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include <chrono>
|
|
#include <fstream>
|
|
#include <string>
|
|
#include <cstring>
|
|
#include <sstream>
|
|
#include <sys/types.h>
|
|
#include <vector>
|
|
|
|
const char * device_name() {
|
|
static char device_name[256];
|
|
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
DWORD size = sizeof(device_name);
|
|
if (GetComputerNameA(device_name, &size) == 0) {
|
|
strncpy(device_name, "Unknown Windows Device", sizeof(device_name));
|
|
}
|
|
#elif defined(__linux__)
|
|
if (gethostname(device_name, sizeof(device_name)) != 0) {
|
|
strncpy(device_name, "Unknown Linux Device", sizeof(device_name));
|
|
}
|
|
#elif defined(__APPLE__) && defined(__MACH__)
|
|
if (gethostname(device_name, sizeof(device_name)) != 0) {
|
|
strncpy(device_name, "Unknown Mac Device", sizeof(device_name));
|
|
}
|
|
#else
|
|
strncpy(device_name, "Unknown Device", sizeof(device_name));
|
|
#endif
|
|
|
|
return device_name;
|
|
}
|
|
|
|
uint32_t device_cpu_cores() {
|
|
unsigned int core_count = 1; // default to 1 in case of failure
|
|
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
SYSTEM_INFO sysinfo;
|
|
GetSystemInfo(&sysinfo);
|
|
core_count = sysinfo.dwNumberOfProcessors;
|
|
#elif defined(__linux__)
|
|
core_count = sysconf(_SC_NPROCESSORS_ONLN);
|
|
#elif defined(__APPLE__) && defined(__MACH__)
|
|
int mib[4];
|
|
size_t len = sizeof(core_count);
|
|
|
|
mib[0] = CTL_HW;
|
|
mib[1] = HW_AVAILCPU;
|
|
|
|
if (sysctl(mib, 2, &core_count, &len, NULL, 0) != 0 || core_count < 1) {
|
|
mib[1] = HW_NCPU; // total number of cpus
|
|
if (sysctl(mib, 2, &core_count, &len, NULL, 0) != 0 || core_count < 1) {
|
|
core_count = 1; // default to 1 if sysctl fails
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return core_count;
|
|
}
|
|
|
|
uint64_t device_physical_memory(bool available) {
|
|
uint64_t memory = 0;
|
|
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
MEMORYSTATUSEX status;
|
|
status.dwLength = sizeof(status);
|
|
GlobalMemoryStatusEx(&status);
|
|
if (available) {
|
|
memory = status.ullAvailPhys;
|
|
} else {
|
|
memory = status.ullTotalPhys;
|
|
}
|
|
|
|
#elif defined(__linux__)
|
|
if (available) {
|
|
// read available memory from /proc/meminfo
|
|
std::ifstream meminfo("/proc/meminfo");
|
|
std::string line;
|
|
if (meminfo.is_open()) {
|
|
while (std::getline(meminfo, line)) {
|
|
if (line.find("MemAvailable:") == 0) {
|
|
std::istringstream iss(line);
|
|
std::string key;
|
|
uint64_t kb;
|
|
iss >> key >> kb;
|
|
memory = kb * 1024;
|
|
break;
|
|
}
|
|
}
|
|
meminfo.close();
|
|
}
|
|
} else {
|
|
// get total memory using sysinfo
|
|
struct sysinfo info;
|
|
if (sysinfo(&info) == 0) {
|
|
memory = info.totalram * info.mem_unit;
|
|
}
|
|
}
|
|
|
|
#elif defined(__APPLE__) && defined(__MACH__)
|
|
if (available) {
|
|
mach_port_t host = mach_host_self();
|
|
vm_statistics64_data_t vm_stats;
|
|
mach_msg_type_number_t count = HOST_VM_INFO64_COUNT;
|
|
|
|
if (host_statistics64(host, HOST_VM_INFO64, (host_info64_t)&vm_stats, &count) == KERN_SUCCESS) {
|
|
memory = (vm_stats.free_count + vm_stats.inactive_count) * sysconf(_SC_PAGESIZE);
|
|
}
|
|
} else {
|
|
int mib[2];
|
|
size_t len = sizeof(memory);
|
|
mib[0] = CTL_HW;
|
|
mib[1] = HW_MEMSIZE;
|
|
sysctl(mib, 2, &memory, &len, NULL, 0);
|
|
}
|
|
#endif
|
|
|
|
return memory;
|
|
}
|
|
|
|
uint64_t device_swap_memory(bool available) {
|
|
uint64_t swap_memory = 0;
|
|
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
PERFORMANCE_INFORMATION performance_info;
|
|
performance_info.cb = sizeof(performance_info);
|
|
if (GetPerformanceInfo(&performance_info, sizeof(performance_info))) {
|
|
if (available) {
|
|
swap_memory = (performance_info.PageFileTotal - performance_info.PageFileUsage) * performance_info.PageSize;
|
|
} else {
|
|
swap_memory = performance_info.PageFileTotal * performance_info.PageSize;
|
|
}
|
|
}
|
|
#elif defined(__linux__)
|
|
std::ifstream meminfo("/proc/meminfo");
|
|
std::string line;
|
|
uint64_t total_swap = 0;
|
|
uint64_t free_swap = 0;
|
|
|
|
if (meminfo.is_open()) {
|
|
while (std::getline(meminfo, line)) {
|
|
if (line.find("SwapTotal:") == 0) {
|
|
std::istringstream iss(line);
|
|
std::string key;
|
|
uint64_t kb;
|
|
iss >> key >> kb;
|
|
total_swap = kb * 1024;
|
|
} else if (line.find("SwapFree:") == 0) {
|
|
std::istringstream iss(line);
|
|
std::string key;
|
|
uint64_t kb;
|
|
iss >> key >> kb;
|
|
free_swap = kb * 1024;
|
|
}
|
|
}
|
|
meminfo.close();
|
|
}
|
|
|
|
if (available) {
|
|
swap_memory = free_swap;
|
|
} else {
|
|
swap_memory = total_swap;
|
|
}
|
|
|
|
#elif defined(__APPLE__) && defined(__MACH__)
|
|
int mib[2] = {CTL_VM, VM_SWAPUSAGE};
|
|
struct xsw_usage swap;
|
|
size_t len = sizeof(swap);
|
|
|
|
if (sysctl(mib, 2, &swap, &len, NULL, 0) == 0) {
|
|
if (available) {
|
|
swap_memory = swap.xsu_avail;
|
|
} else {
|
|
swap_memory = swap.xsu_total;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return swap_memory;
|
|
}
|
|
|
|
uint64_t device_disk_read_bw(const char * test_file, size_t buffer_size_mb) {
|
|
uint64_t speed = 0;
|
|
size_t buffer_size = buffer_size_mb * 1024 * 1024; // buffer size in bytes
|
|
|
|
try {
|
|
// open a file for reading
|
|
std::ifstream file(test_file, std::ios::binary | std::ios::in);
|
|
if (!file) {
|
|
LOG_ERR("Unable to open the file at path: %s\n", test_file);
|
|
return speed;
|
|
}
|
|
|
|
// prepare buffer for reading
|
|
std::vector<char> buffer(buffer_size);
|
|
|
|
auto start_time = std::chrono::high_resolution_clock::now();
|
|
|
|
// read file into buffer
|
|
file.read(buffer.data(), buffer.size());
|
|
if (!file) {
|
|
LOG_ERR("Failed to read enough data from the test file\n");
|
|
return speed;
|
|
}
|
|
|
|
auto end_time = std::chrono::high_resolution_clock::now();
|
|
std::chrono::duration<double> elapsed_time = end_time - start_time;
|
|
|
|
// speed in bytes per second
|
|
if (elapsed_time.count() > 0) {
|
|
speed = static_cast<uint64_t>(buffer.size() / elapsed_time.count());
|
|
}
|
|
|
|
buffer.clear();
|
|
buffer.shrink_to_fit();
|
|
} catch (const std::exception &e) {
|
|
LOG_ERR("Exception while calculating disk read speed: %s\n", e.what());
|
|
}
|
|
|
|
return speed;
|
|
}
|
|
|
|
uint64_t device_memory_bw(size_t buffer_size_mb) {
|
|
uint64_t speed = 0;
|
|
size_t test_size = buffer_size_mb * 1024 * 1024; // convert MB to bytes
|
|
|
|
try {
|
|
// allocate memory for speed test
|
|
std::vector<char> buffer(test_size, 1);
|
|
|
|
// measure write speed
|
|
auto start_time = std::chrono::high_resolution_clock::now();
|
|
memset(buffer.data(), 0xAB, buffer.size());
|
|
auto end_time = std::chrono::high_resolution_clock::now();
|
|
std::chrono::duration<double> elapsed_time = end_time - start_time;
|
|
double write_speed = static_cast<double>(test_size) / elapsed_time.count();
|
|
|
|
// measure read speed
|
|
start_time = std::chrono::high_resolution_clock::now();
|
|
volatile char temp = 0;
|
|
for (size_t i = 0; i < buffer.size(); i += 64) {
|
|
temp += buffer[i]; // read in steps of cache line size to minimize cache thrashing
|
|
}
|
|
end_time = std::chrono::high_resolution_clock::now();
|
|
elapsed_time = end_time - start_time;
|
|
double read_speed = static_cast<double>(test_size) / elapsed_time.count();
|
|
|
|
// average speed
|
|
speed = static_cast<uint64_t>((write_speed + read_speed) / 2.0);
|
|
|
|
buffer.clear();
|
|
buffer.shrink_to_fit();
|
|
} catch (const std::exception &e) {
|
|
LOG_ERR("Exception while calculating memory speed: %s\n", e.what());
|
|
}
|
|
|
|
return speed;
|
|
}
|
|
|
|
int device_has_metal(void) {
|
|
return ggml_cpu_has_metal();
|
|
}
|
|
|
|
int device_has_cuda(void) {
|
|
return ggml_cpu_has_cuda();
|
|
}
|
|
|
|
int device_has_vulkan(void) {
|
|
return ggml_cpu_has_vulkan();
|
|
}
|
|
|
|
int device_has_kompute(void) {
|
|
return ggml_cpu_has_kompute();
|
|
}
|
|
|
|
int device_has_gpublas(void) {
|
|
return ggml_cpu_has_gpublas();
|
|
}
|
|
|
|
int device_has_blas(void) {
|
|
return ggml_cpu_has_blas();
|
|
}
|
|
|
|
int device_has_sycl(void) {
|
|
return ggml_cpu_has_sycl();
|
|
}
|
|
|
|
void device_get_props(struct llama_model * model, int device, struct ggml_backend_dev_props * props) {
|
|
ggml_backend_buffer_type_t buft_type;
|
|
if (device == -1) { // type cpu
|
|
buft_type = ggml_backend_cpu_buffer_type();
|
|
} else { // type gpu
|
|
buft_type = llama_dev_buffer_type(model, device);
|
|
}
|
|
ggml_backend_dev_t dev = ggml_backend_buft_get_device(buft_type);
|
|
ggml_backend_dev_get_props(dev, props);
|
|
}
|
|
|
|
void device_print_props(struct device_info * dev_info_set, int n) {
|
|
LOG_INF("\n-------------------------------------------------------------------------------------------\n");
|
|
LOG_INF("| Property ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| Rank %-8d", i);
|
|
GGML_ASSERT(dev_info_set[i].rank == i);
|
|
}
|
|
LOG_INF("\n-------------------------------------------------------------------------------------------\n");
|
|
|
|
LOG_INF("| Device Name ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.10s ", dev_info_set[i].device_name);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| CPU Name ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.10s ", dev_info_set[i].cpu_props.name);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| CPU Description ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.10s ", dev_info_set[i].cpu_props.description);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| Number of CPU cores ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10u ", dev_info_set[i].cpu_props.cores);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| Physical Mem Total (GB) ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.2f ", dev_info_set[i].memory.total_physical);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| Physical Mem Available (GB) ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.2f ", dev_info_set[i].memory.available_physical);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| Swap Mem Total (GB) ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.2f ", dev_info_set[i].memory.total_swap);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| Swap Mem Available (GB) ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.2f ", dev_info_set[i].memory.available_swap);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| Mem Bandwidth (GB/s) ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.2f ", dev_info_set[i].memory.bandwidth);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| Disk Read Bandwidth (GB/s) ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.2f ", dev_info_set[i].disk_read_bandwidth);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| GPU Metal ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10d ", dev_info_set[i].gpu_support.metal);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| GPU CUDA ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10d ", dev_info_set[i].gpu_support.cuda);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| GPU Vulkan ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10d ", dev_info_set[i].gpu_support.vulkan);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| GPU Kompute ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10d ", dev_info_set[i].gpu_support.kompute);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| GPU BLAS ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10d ", dev_info_set[i].gpu_support.gpublas);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| BLAS ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10d ", dev_info_set[i].gpu_support.blas);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| SYCL ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10d ", dev_info_set[i].gpu_support.sycl);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| GPU Name ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.10s ", dev_info_set[i].gpu_props.name);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| GPU Description ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.10s ", dev_info_set[i].gpu_props.description);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| GPU Mem Free (GB) ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.2f ", dev_info_set[i].gpu_props.memory_free);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("| GPU Mem Total (GB) ");
|
|
for (int i = 0; i < n; ++i) {
|
|
LOG_INF("| %-10.2f ", dev_info_set[i].gpu_props.memory_total);
|
|
}
|
|
LOG_INF("\n");
|
|
|
|
LOG_INF("-------------------------------------------------------------------------------------------\n\n");
|
|
}
|
|
|
|
|
|
size_t serialize(const struct device_info * dev_info, char ** buffer) {
|
|
// calculate total size for serialized buffer
|
|
size_t device_name_len = strlen(dev_info->device_name) + 1;
|
|
size_t cpu_name_len = strlen(dev_info->cpu_props.name) + 1;
|
|
size_t cpu_description_len = strlen(dev_info->cpu_props.description) + 1;
|
|
size_t gpu_name_len = strlen(dev_info->gpu_props.name) + 1;
|
|
size_t gpu_description_len = strlen(dev_info->gpu_props.description) + 1;
|
|
|
|
size_t total_size = sizeof(uint32_t)
|
|
+ sizeof(size_t) * 5 // for lengths of strings
|
|
+ device_name_len
|
|
+ cpu_name_len
|
|
+ cpu_description_len
|
|
+ gpu_name_len
|
|
+ gpu_description_len
|
|
+ sizeof(float) // disk_read_bandwidth
|
|
+ sizeof(uint32_t) // cpu_props.cores
|
|
+ sizeof(struct memory_info)
|
|
+ sizeof(struct gpu_support)
|
|
+ sizeof(float) * 2; // gpu_props.memory_free and gpu_props.memory_total
|
|
|
|
*buffer = (char *)malloc(total_size);
|
|
char * ptr = *buffer;
|
|
|
|
// rank
|
|
memcpy(ptr, &dev_info->rank, sizeof(uint32_t));
|
|
ptr += sizeof(uint32_t);
|
|
|
|
// copy string lengths and string data
|
|
memcpy(ptr, &device_name_len, sizeof(size_t));
|
|
ptr += sizeof(size_t);
|
|
memcpy(ptr, dev_info->device_name, device_name_len);
|
|
ptr += device_name_len;
|
|
|
|
memcpy(ptr, &cpu_name_len, sizeof(size_t));
|
|
ptr += sizeof(size_t);
|
|
memcpy(ptr, dev_info->cpu_props.name, cpu_name_len);
|
|
ptr += cpu_name_len;
|
|
|
|
memcpy(ptr, &cpu_description_len, sizeof(size_t));
|
|
ptr += sizeof(size_t);
|
|
memcpy(ptr, dev_info->cpu_props.description, cpu_description_len);
|
|
ptr += cpu_description_len;
|
|
|
|
memcpy(ptr, &gpu_name_len, sizeof(size_t));
|
|
ptr += sizeof(size_t);
|
|
memcpy(ptr, dev_info->gpu_props.name, gpu_name_len);
|
|
ptr += gpu_name_len;
|
|
|
|
memcpy(ptr, &gpu_description_len, sizeof(size_t));
|
|
ptr += sizeof(size_t);
|
|
memcpy(ptr, dev_info->gpu_props.description, gpu_description_len);
|
|
ptr += gpu_description_len;
|
|
|
|
// copy the non-string members
|
|
memcpy(ptr, &dev_info->disk_read_bandwidth, sizeof(float));
|
|
ptr += sizeof(float);
|
|
|
|
memcpy(ptr, &dev_info->cpu_props.cores, sizeof(uint32_t));
|
|
ptr += sizeof(uint32_t);
|
|
|
|
memcpy(ptr, &dev_info->memory, sizeof(struct memory_info));
|
|
ptr += sizeof(struct memory_info);
|
|
|
|
memcpy(ptr, &dev_info->gpu_support, sizeof(struct gpu_support));
|
|
ptr += sizeof(struct gpu_support);
|
|
|
|
memcpy(ptr, &dev_info->gpu_props.memory_free, sizeof(float));
|
|
ptr += sizeof(float);
|
|
|
|
memcpy(ptr, &dev_info->gpu_props.memory_total, sizeof(float));
|
|
|
|
return total_size;
|
|
}
|
|
|
|
void deserialize(const char * buffer, struct device_info * dev_info) {
|
|
const char * ptr = buffer;
|
|
|
|
// rank
|
|
memcpy(&dev_info->rank, ptr, sizeof(uint32_t));
|
|
ptr += sizeof(uint32_t);
|
|
|
|
// device_name
|
|
size_t device_name_len;
|
|
memcpy(&device_name_len, ptr, sizeof(size_t));
|
|
ptr += sizeof(size_t);
|
|
dev_info->device_name = (char *)malloc(device_name_len);
|
|
memcpy((void *)dev_info->device_name, ptr, device_name_len);
|
|
ptr += device_name_len;
|
|
|
|
// cpu_props.name
|
|
size_t cpu_name_len;
|
|
memcpy(&cpu_name_len, ptr, sizeof(size_t));
|
|
ptr += sizeof(size_t);
|
|
dev_info->cpu_props.name = (char *)malloc(cpu_name_len);
|
|
memcpy((void *)dev_info->cpu_props.name, ptr, cpu_name_len);
|
|
ptr += cpu_name_len;
|
|
|
|
// cpu_props.description
|
|
size_t cpu_description_len;
|
|
memcpy(&cpu_description_len, ptr, sizeof(size_t));
|
|
ptr += sizeof(size_t);
|
|
dev_info->cpu_props.description = (char *)malloc(cpu_description_len);
|
|
memcpy((void *)dev_info->cpu_props.description, ptr, cpu_description_len);
|
|
ptr += cpu_description_len;
|
|
|
|
// gpu_props.name
|
|
size_t gpu_name_len;
|
|
memcpy(&gpu_name_len, ptr, sizeof(size_t));
|
|
ptr += sizeof(size_t);
|
|
dev_info->gpu_props.name = (char *)malloc(gpu_name_len);
|
|
memcpy((void *)dev_info->gpu_props.name, ptr, gpu_name_len);
|
|
ptr += gpu_name_len;
|
|
|
|
// gpu_props.description
|
|
size_t gpu_description_len;
|
|
memcpy(&gpu_description_len, ptr, sizeof(size_t));
|
|
ptr += sizeof(size_t);
|
|
dev_info->gpu_props.description = (char *)malloc(gpu_description_len);
|
|
memcpy((void *)dev_info->gpu_props.description, ptr, gpu_description_len);
|
|
ptr += gpu_description_len;
|
|
|
|
// other non-string members
|
|
memcpy(&dev_info->disk_read_bandwidth, ptr, sizeof(float));
|
|
ptr += sizeof(float);
|
|
|
|
memcpy(&dev_info->cpu_props.cores, ptr, sizeof(uint32_t));
|
|
ptr += sizeof(uint32_t);
|
|
|
|
memcpy(&dev_info->memory, ptr, sizeof(struct memory_info));
|
|
ptr += sizeof(struct memory_info);
|
|
|
|
memcpy(&dev_info->gpu_support, ptr, sizeof(struct gpu_support));
|
|
ptr += sizeof(struct gpu_support);
|
|
|
|
memcpy(&dev_info->gpu_props.memory_free, ptr, sizeof(float));
|
|
ptr += sizeof(float);
|
|
memcpy(&dev_info->gpu_props.memory_total, ptr, sizeof(float));
|
|
}
|