41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
#include <vector>
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#include <string>
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#include <stdint.h>
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#include "spdlog/spdlog.h"
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#include "acl/acl.h"
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std::vector<int> get_npu_ids() {
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std::vector<int> npu_ids;
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uint32_t device_count = 0;
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aclError error_code = aclrtGetDeviceCount(&device_count);
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if (error_code != 0) {
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spdlog::error("Failed to get NPU device count, error code: {}", error_code);
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throw std::runtime_error("Failed to get NPU device count");
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}
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const char *env_available_npu = getenv("ASCEND_RT_VISIBLE_DEVICES");
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if (env_available_npu) {
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std::string npu_str(env_available_npu);
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size_t start = 0;
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while (start < npu_str.size()) {
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size_t next = npu_str.find(',', start);
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if (next == std::string::npos) {
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next = npu_str.size();
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}
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npu_ids.push_back(std::stoi(npu_str.substr(start, next - start)));
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start = next + 1;
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if (npu_ids.size() >= device_count) {
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break;
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}
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}
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} else {
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for (uint32_t i = 0; i < device_count; ++i) {
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npu_ids.push_back(static_cast<int>(i));
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}
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}
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return npu_ids;
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}
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