API

struct AgentData

#include <GetClosestNumaNode.hpp>

Public Members

bool isInitialized

std::vector<hsa_agent_t> cpuAgents

std::vector<hsa_agent_t> gpuAgents

std::vector<int> closestNumaNode

class EnvVars

#include <EnvVars.hpp>

Public Functions

inline EnvVars()

inline void DisplayEnvVars() const

inline void DisplayP2PBenchmarkEnvVars() const

inline void DisplaySweepEnvVars() const

Public Members

int const DEFAULT_NUM_WARMUPS = 1

int const DEFAULT_NUM_ITERATIONS = 10

int const DEFAULT_SAMPLING_FACTOR = 1

int const DEFAULT_P2P_NUM_CPU_SE = 4

std::string const DEFAULT_SWEEP_SRC = "CG"

std::string const DEFAULT_SWEEP_EXE = "CDG"

std::string const DEFAULT_SWEEP_DST = "CG"

int const DEFAULT_SWEEP_MIN = 1

int const DEFAULT_SWEEP_MAX = 24

int const DEFAULT_SWEEP_TEST_LIMIT = 0

int const DEFAULT_SWEEP_TIME_LIMIT = 0

int blockBytes

int byteOffset

int continueOnError

int numCpuDevices

int numGpuDevices

int numIterations

int numWarmups

int outputToCsv

int samplingFactor

int sharedMemBytes

int showIterations

int useInteractive

int usePcieIndexing

int usePrepSrcKernel

int useSingleStream

int validateDirect

std::vector<float> fillPattern

int useRemoteRead

int useDmaCopy

int numGpuSubExecs

int numCpuSubExecs

int sweepMin

int sweepMax

int sweepTestLimit

int sweepTimeLimit

int sweepXgmiMin

int sweepXgmiMax

int sweepSeed

int sweepRandBytes

std::string sweepSrc

std::string sweepExe

std::string sweepDst

int enableDebug

int gpuKernel

ConfigModeEnum configMode

std::default_random_engine *generator

std::vector<int> numCpusPerNuma

Public Static Functions

static inline void DisplayUsage()

static inline int GetEnvVar(std::string const &varname, int defaultValue)

static inline std::string GetEnvVar(std::string const &varname, std::string const &defaultValue)

struct ExecutorInfo

#include <TransferBench.hpp>

Public Members

std::vector<Transfer*> transfers

size_t totalBytes

int totalSubExecs

SubExecParam *subExecParamGpu

std::vector<hipStream_t> streams

std::vector<hipEvent_t> startEvents

std::vector<hipEvent_t> stopEvents

double totalTime

struct SubExecParam

#include <Kernels.hpp>

Public Members

size_t N

int numSrcs

int numDsts

float *src[MAX_SRCS]

float *dst[MAX_DSTS]

long long startCycle

long long stopCycle

struct Transfer

#include <TransferBench.hpp>

Public Functions

void PrepareSubExecParams(EnvVars const &ev)

bool PrepareSrc(EnvVars const &ev)

void ValidateDst(EnvVars const &ev)

void PrepareReference(EnvVars const &ev, std::vector<float> &buffer, int bufferIdx)

std::string SrcToStr() const

std::string DstToStr() const

Public Members

int transferIndex

ExeType exeType

int exeIndex

int numSubExecs

size_t numBytes

size_t numBytesActual

double transferTime

int numSrcs

std::vector<MemType> srcType

std::vector<int> srcIndex

std::vector<float*> srcMem

int numDsts

std::vector<MemType> dstType

std::vector<int> dstIndex

std::vector<float*> dstMem

std::vector<SubExecParam> subExecParam

SubExecParam *subExecParamGpuPtr

std::vector<double> perIterationTime

namespace std

STL namespace.

file Compatibility.hpp

#include <hip/hip_ext.h>

#include <hip/hip_runtime.h>

#include <hsa/hsa_ext_amd.h>

file EnvVars.hpp

#include <algorithm>

#include <random>

#include <time.h>

#include “Compatibility.hpp”

#include “Kernels.hpp”

Defines

TB_VERSION

PRINT_EV(NAME, VALUE, DESCRIPTION)

PRINT_ES(NAME, VALUE, DESCRIPTION)

Enums

enum ConfigModeEnum

Values:

enumerator CFG_FILE

enumerator CFG_P2P

enumerator CFG_SWEEP

enumerator CFG_SCALE

enumerator CFG_A2A

Variables

char const MemTypeStr[]

char const ExeTypeStr[]

file GetClosestNumaNode.hpp

Defines

HSA_CHECK(cmd)

Functions

hsa_status_t MemPoolInfoCallback(hsa_amd_memory_pool_t pool, void *data)

hsa_status_t AgentInfoCallback(hsa_agent_t agent, void *data)

AgentData &GetAgentData()

int GetClosestNumaNode(int gpuIdx)

file Kernels.hpp

Defines

PackedFloat_t

WARP_SIZE

BLOCKSIZE

FLOATS_PER_PACK

MEMSET_CHAR

MEMSET_VAL

MAX_SRCS

MAX_DSTS

NUM_GPU_KERNELS

Typedefs

typedef void (*GpuKernelFuncPtr)(SubExecParam*)

Functions

void CpuReduceKernel(SubExecParam const &p)

std::string PrepSrcValueString()

__host__ __device__ float PrepSrcValue (int srcBufferIdx, size_t idx)

__global__ void PrepSrcDataKernel (float *ptr, size_t N, int srcBufferIdx)

template<typename T> __device__ __forceinline__ T MemsetVal ()

template<> __device__ __forceinline__ float MemsetVal ()

template<int LOOP1_UNROLL> __global__ void __launch_bounds__ (BLOCKSIZE) GpuReduceKernel(SubExecParam *params)

template<typename FLOAT_TYPE, int UNROLL_FACTOR> __device__ size_t GpuReduceFuncImpl2 (SubExecParam const &p, size_t const offset, size_t const N)

template<typename FLOAT_TYPE, int UNROLL_FACTOR> __device__ size_t GpuReduceFuncImpl (SubExecParam const &p, size_t const offset, size_t const N)

template<typename FLOAT_TYPE> __device__ size_t GpuReduceFunc (SubExecParam const &p, size_t const offset, size_t const N, int const unroll)

Variables

GpuKernelFuncPtr GpuKernelTable[NUM_GPU_KERNELS] = {GpuReduceKernel<8>, GpuReduceKernel<1>, GpuReduceKernel<2>, GpuReduceKernel<3>, GpuReduceKernel<4>, GpuReduceKernel<5>, GpuReduceKernel<6>, GpuReduceKernel<7>, GpuReduceKernel<8>, GpuReduceKernel<9>, GpuReduceKernel<10>, GpuReduceKernel<11>, GpuReduceKernel<12>, GpuReduceKernel<13>, GpuReduceKernel<14>, GpuReduceKernel<15>, GpuReduceKernel<16>, GpuReduceKernel2}

std::string GpuKernelNames[NUM_GPU_KERNELS] = {"Default - 8xUnroll", "Unroll x1", "Unroll x2", "Unroll x3", "Unroll x4", "Unroll x5", "Unroll x6", "Unroll x7", "Unroll x8", "Unroll x9", "Unroll x10", "Unroll x11", "Unroll x12", "Unroll x13", "Unroll x14", "Unroll x15", "Unroll x16", "8xUnrollB",}

file TransferBench.hpp

#include <vector>

#include <sstream>

#include <chrono>

#include <cstdio>

#include <cstdlib>

#include <cstdint>

#include <set>

#include <unistd.h>

#include <map>

#include <iostream>

#include “Compatibility.hpp”

#include “EnvVars.hpp”

Defines

HIP_CALL(cmd)

Typedefs

typedef std::pair<ExeType, int> Executor

typedef std::map<Executor, ExecutorInfo> TransferMap

Enums

enum MemType

Values:

enumerator MEM_CPU

enumerator MEM_GPU

enumerator MEM_CPU_FINE

enumerator MEM_GPU_FINE

enumerator MEM_CPU_UNPINNED

enumerator MEM_NULL

enum ExeType

Values:

enumerator EXE_CPU

enumerator EXE_GPU_GFX

enumerator EXE_GPU_DMA

Functions

bool IsGpuType(MemType m)

bool IsCpuType(MemType m)

bool IsGpuType(ExeType e)

bool IsCpuType(ExeType e)

inline MemType CharToMemType(char const c)

inline ExeType CharToExeType(char const c)

void DisplayUsage(char const *cmdName)

void DisplayTopology(bool const outputToCsv)

void PopulateTestSizes(size_t const numBytesPerTransfer, int const samplingFactor, std::vector<size_t> &valuesofN)

void ParseMemType(std::string const &token, int const numCpus, int const numGpus, std::vector<MemType> &memType, std::vector<int> &memIndex)

void ParseExeType(std::string const &token, int const numCpus, int const numGpus, ExeType &exeType, int &exeIndex)

void ParseTransfers(char *line, int numCpus, int numGpus, std::vector<Transfer> &transfers)

void ExecuteTransfers(EnvVars const &ev, int const testNum, size_t const N, std::vector<Transfer> &transfers, bool verbose = true, double *totalBandwidthCpu = nullptr)

void EnablePeerAccess(int const deviceId, int const peerDeviceId)

void AllocateMemory(MemType memType, int devIndex, size_t numBytes, void **memPtr)

void DeallocateMemory(MemType memType, void *memPtr, size_t const size = 0)

void CheckPages(char *byteArray, size_t numBytes, int targetId)

void RunTransfer(EnvVars const &ev, int const iteration, ExecutorInfo &exeInfo, int const transferIdx)

void RunPeerToPeerBenchmarks(EnvVars const &ev, size_t N)

void RunScalingBenchmark(EnvVars const &ev, size_t N, int const exeIndex, int const maxSubExecs)

void RunSweepPreset(EnvVars const &ev, size_t const numBytesPerTransfer, int const numGpuSubExec, int const numCpuSubExec, bool const isRandom)

void RunAllToAllBenchmark(EnvVars const &ev, size_t const numBytesPerTransfer, int const numSubExecs)

std::string GetLinkTypeDesc(uint32_t linkType, uint32_t hopCount)

int RemappedIndex(int const origIdx, bool const isCpuType)

int GetWallClockRate(int deviceId)

void LogTransfers(FILE *fp, int const testNum, std::vector<Transfer> const &transfers)

std::string PtrVectorToStr(std::vector<float*> const &strVector, int const initOffset)

Variables

size_t const DEFAULT_BYTES_PER_TRANSFER = (1 << 26)

char const MemTypeStr[7] = "CGBFUN"

char const ExeTypeStr[4] = "CGD"

char const ExeTypeName[3][4] = {"CPU", "GPU", "DMA"}

file TransferBench.cpp

#include <numa.h>

#include <numaif.h>

#include <random>

#include <stack>

#include <thread>

#include “TransferBench.hpp”

#include “GetClosestNumaNode.hpp”

Functions

int main(int argc, char **argv)

void ExecuteTransfers(EnvVars const &ev, int const testNum, size_t const N, std::vector<Transfer> &transfers, bool verbose, double *totalBandwidthCpu)

void DisplayUsage(char const *cmdName)

int RemappedIndex(int const origIdx, bool const isCpuType)

void DisplayTopology(bool const outputToCsv)

void ParseMemType(std::string const &token, int const numCpus, int const numGpus, std::vector<MemType> &memTypes, std::vector<int> &memIndices)

void ParseExeType(std::string const &token, int const numCpus, int const numGpus, ExeType &exeType, int &exeIndex)

void ParseTransfers(char *line, int numCpus, int numGpus, std::vector<Transfer> &transfers)

void EnablePeerAccess(int const deviceId, int const peerDeviceId)

void AllocateMemory(MemType memType, int devIndex, size_t numBytes, void **memPtr)

void DeallocateMemory(MemType memType, void *memPtr, size_t const bytes)

void CheckPages(char *array, size_t numBytes, int targetId)

void RunTransfer(EnvVars const &ev, int const iteration, ExecutorInfo &exeInfo, int const transferIdx)

void RunPeerToPeerBenchmarks(EnvVars const &ev, size_t N)

void RunScalingBenchmark(EnvVars const &ev, size_t N, int const exeIndex, int const maxSubExecs)

void RunAllToAllBenchmark(EnvVars const &ev, size_t const numBytesPerTransfer, int const numSubExecs)

int GetWallClockRate(int deviceId)

void RunSweepPreset(EnvVars const &ev, size_t const numBytesPerTransfer, int const numGpuSubExecs, int const numCpuSubExecs, bool const isRandom)

void LogTransfers(FILE *fp, int const testNum, std::vector<Transfer> const &transfers)

std::string PtrVectorToStr(std::vector<float*> const &strVector, int const initOffset)

dir /home/docs/checkouts/readthedocs.org/user_builds/advanced-micro-devices-transferbench/checkouts/docs-5.7.0/src/include

dir /home/docs/checkouts/readthedocs.org/user_builds/advanced-micro-devices-transferbench/checkouts/docs-5.7.0/src