Julia Jiang
88 lines
2.6 KiB
C++
Executable File
88 lines
2.6 KiB
C++
Executable File
#ifndef HIP_FAT_BINARY_HPP
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#define HIP_FAT_BINARY_HPP
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#include "hip/hip_runtime.h"
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#include "hip/hip_runtime_api.h"
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#include "hip_internal.hpp"
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#include "platform/program.hpp"
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namespace hip {
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//Fat Binary Per Device info
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class FatBinaryDeviceInfo {
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public:
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FatBinaryDeviceInfo (const void* binary_image, size_t binary_size, size_t binary_offset)
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: binary_image_(binary_image), binary_size_(binary_size),
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binary_offset_(binary_offset), program_(nullptr),
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add_dev_prog_(false), prog_built_(false) {}
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~FatBinaryDeviceInfo();
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private:
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const void* binary_image_; // binary image ptr
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size_t binary_size_; // binary image size
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size_t binary_offset_; // image offset from original
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amd::Program* program_; // reinterpreted as hipModule_t
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friend class FatBinaryInfo;
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//Control Variables
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bool add_dev_prog_;
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bool prog_built_;
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};
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// Fat Binary Info
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class FatBinaryInfo {
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public:
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FatBinaryInfo(const char* fname, const void* image);
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~FatBinaryInfo();
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// Loads Fat binary from file or image, unbundles COs for devices.
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hipError_t ExtractFatBinary(const std::vector<hip::Device*>& devices);
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hipError_t AddDevProgram(const int device_id);
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hipError_t BuildProgram(const int device_id);
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// Device Id bounds check
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inline void DeviceIdCheck(const int device_id) const {
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guarantee(device_id >= 0, "Invalid DeviceId less than 0");
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guarantee(static_cast<size_t>(device_id) < fatbin_dev_info_.size(), "Invalid DeviceId, greater than no of fatbin device info!");
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}
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// Getter Methods
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amd::Program* GetProgram(int device_id) {
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DeviceIdCheck(device_id);
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return fatbin_dev_info_[device_id]->program_;
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}
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hipModule_t Module(int device_id) const {
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DeviceIdCheck(device_id);
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return reinterpret_cast<hipModule_t>(as_cl(fatbin_dev_info_[device_id]->program_));
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}
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hipError_t GetModule(int device_id, hipModule_t* hmod) const {
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DeviceIdCheck(device_id);
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*hmod = reinterpret_cast<hipModule_t>(as_cl(fatbin_dev_info_[device_id]->program_));
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return hipSuccess;
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}
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private:
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std::string fname_; // File name
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amd::Os::FileDesc fdesc_; // File descriptor
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size_t fsize_; // Total file size
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// Even when file is passed image will be mmapped till ~desctructor.
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const void* image_; // Image
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// Only used for FBs where image is directly passed
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std::string uri_; // Uniform resource indicator
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// Per Device Info, like corresponding binary ptr, size.
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std::vector<FatBinaryDeviceInfo*> fatbin_dev_info_;
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};
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}; /* namespace hip */
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#endif /* HIP_FAT_BINARY_HPP */
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