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Commit 09f22251 authored by Dmitry I. Lyakh's avatar Dmitry I. Lyakh
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Added exatn::getMemoryUsage() API, there is a tensor buffer leak ... 


Signed-off-by: default avatarDmitry I. Lyakh <quant4me@gmail.com>
parent 2808f6f1
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src/exatn/exatn_numerics.hpp
View file @ 09f22251
/** ExaTN::Numerics: General client header (free function API)
REVISION: 2022/01/08
REVISION: 2022/01/17
Copyright (C) 2018-2022 Dmitry I. Lyakh (Liakh)
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle) **/
......@@ -1153,6 +1153,12 @@ inline std::size_t getMemoryBufferSize()
{return numericalServer->getMemoryBufferSize();}
/** Returns the current memory usage by all allocated tensors.
Note that the returned value includes buffer fragmentation overhead. **/
inline std::size_t getMemoryUsage(std::size_t * free_mem)
{return numericalServer->getMemoryUsage(free_mem);}
/** Returns the current value of the Flop counter. **/
inline double getTotalFlopCount()
{return numericalServer->getTotalFlopCount();}
......
src/exatn/num_server.cpp
View file @ 09f22251
/** ExaTN::Numerics: Numerical server
REVISION: 2022/01/14
REVISION: 2022/01/17
Copyright (C) 2018-2022 Dmitry I. Lyakh (Liakh)
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle) **/
......@@ -309,6 +309,12 @@ std::size_t NumServer::getMemoryBufferSize() const
return tensor_rt_->getMemoryBufferSize();
}
std::size_t NumServer::getMemoryUsage(std::size_t * free_mem) const
{
while(!tensor_rt_);
return tensor_rt_->getMemoryUsage(free_mem);
}
double NumServer::getTotalFlopCount() const
{
while(!tensor_rt_);
......
src/exatn/num_server.hpp
View file @ 09f22251
/** ExaTN::Numerics: Numerical server
REVISION: 2022/01/07
REVISION: 2022/01/17
Copyright (C) 2018-2022 Dmitry I. Lyakh (Liakh)
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle) **/
......@@ -306,6 +306,10 @@ public:
/** Returns the Host memory buffer size in bytes provided by the runtime. **/
std::size_t getMemoryBufferSize() const;
/** Returns the current memory usage by all allocated tensors.
Note that the returned value includes buffer fragmentation overhead. **/
std::size_t getMemoryUsage(std::size_t * free_mem) const;
/** Returns the current value of the Flop counter. **/
double getTotalFlopCount() const;
......
src/exatn/tests/NumServerTester.cpp
View file @ 09f22251
......@@ -18,10 +18,10 @@
#include "errors.hpp"
//Test activation:
/*
#define EXATN_TEST0
#define EXATN_TEST1
#define EXATN_TEST2
/*#define EXATN_TEST2
#define EXATN_TEST3
#define EXATN_TEST4
#define EXATN_TEST5
......@@ -40,19 +40,19 @@
#define EXATN_TEST18
#define EXATN_TEST19
#define EXATN_TEST20
#define EXATN_TEST21
#define EXATN_TEST21*/
#define EXATN_TEST22
#define EXATN_TEST23
#define EXATN_TEST24
#define EXATN_TEST25
#define EXATN_TEST26
//#define EXATN_TEST27 //requires input file from source
//#define EXATN_TEST28 //requires input file from source
#define EXATN_TEST27 //requires input file from source
#define EXATN_TEST28 //requires input file from source
#define EXATN_TEST29
#define EXATN_TEST30*/
//#define EXATN_TEST31 //requires input file from source
#define EXATN_TEST30
#define EXATN_TEST31 //requires input file from source
#define EXATN_TEST32
//#define EXATN_TEST33
#define EXATN_TEST33
#ifdef EXATN_TEST0
......@@ -70,7 +70,7 @@ TEST(NumServerTester, PerformanceExaTN)
//3072 for Maxwell, 4096 for Pascal and Volta
const auto TENS_ELEM_TYPE = TensorElementType::REAL32;
//exatn::resetLoggingLevel(1,2); //debug
exatn::resetLoggingLevel(1,2); //debug
//exatn::resetExecutionSerialization(true,true); //debug
......@@ -273,7 +273,7 @@ TEST(NumServerTester, PerformanceExaTN)
//Synchronize ExaTN server:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
}
#endif
......@@ -386,7 +386,7 @@ TEST(NumServerTester, ExamplarExaTN)
//Synchronize ExaTN server:
success = exatn::sync(all_processes); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
}
#endif
......@@ -476,7 +476,7 @@ TEST(NumServerTester, ParallelExaTN)
//All processes: Synchronize ExaTN server:
success = exatn::sync(all_processes); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
}
#endif
......@@ -1554,7 +1554,7 @@ TEST(NumServerTester, IsingTNO)
bool success = true;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
//Define Ising Hamiltonian constants:
constexpr std::complex<double> ZERO{ 0.0, 0.0};
......@@ -1765,7 +1765,7 @@ TEST(NumServerTester, IsingTNO)
//Synchronize:
success = exatn::sync(); assert(success);
}
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
}
#endif
......@@ -1930,7 +1930,7 @@ TEST(NumServerTester, testGarbage) {
using exatn::TensorNetwork;
using exatn::TensorElementType;
//exatn::resetLoggingLevel(2,2); // debug
//exatn::resetLoggingLevel(1,2); // debug
// Define the initial qubit state vector:
std::vector<std::complex<double>> qzero{
......@@ -2069,7 +2069,7 @@ TEST(NumServerTester, testHyper) {
const auto ltens_val = std::complex<double>{0.001,-0.0001};
const auto rtens_val = std::complex<double>{0.002,-0.0002};
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -2325,7 +2325,7 @@ TEST(NumServerTester, neurIPS) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::deactivateContrSeqCaching();
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -2340,7 +2340,7 @@ TEST(NumServerTester, MPSNorm) {
const auto TENS_ELEM_TYPE = TensorElementType::COMPLEX32;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -2404,7 +2404,7 @@ TEST(NumServerTester, MPSNorm) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -2423,7 +2423,7 @@ TEST(NumServerTester, UserDefinedMethod) {
const unsigned int num_virtuals = 36;
const unsigned int num_total = num_occupied + num_virtuals;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -2497,7 +2497,7 @@ TEST(NumServerTester, UserDefinedMethod) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -2512,7 +2512,7 @@ TEST(NumServerTester, PrintTensors) {
const auto TENS_ELEM_TYPE = TensorElementType::REAL64;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -2545,7 +2545,7 @@ TEST(NumServerTester, PrintTensors) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -2560,7 +2560,7 @@ TEST(NumServerTester, CollapseTensors) {
const auto TENS_ELEM_TYPE = TensorElementType::REAL32;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -2599,7 +2599,7 @@ TEST(NumServerTester, CollapseTensors) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -2615,7 +2615,7 @@ TEST(NumServerTester, Reconstructor) {
const auto TENS_ELEM_TYPE = TensorElementType::REAL32;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -2683,7 +2683,7 @@ TEST(NumServerTester, Reconstructor) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -2700,7 +2700,7 @@ TEST(NumServerTester, OptimizerTransverseIsing) {
const auto TENS_ELEM_TYPE = TensorElementType::REAL32;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
const int num_sites = 4, max_bond_dim = std::pow(2,num_sites/2);
double g_factor = 1e-1; // >0.0, 1e0 is critical state
......@@ -2824,7 +2824,7 @@ TEST(NumServerTester, OptimizerTransverseIsing) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -2841,7 +2841,7 @@ TEST(NumServerTester, OptimizerHubbard) {
const auto TENS_ELEM_TYPE = TensorElementType::COMPLEX32;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -3000,7 +3000,7 @@ TEST(NumServerTester, OptimizerHubbard) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -3023,7 +3023,7 @@ TEST(NumServerTester, ExaTNGenVisitor) {
const int max_layers = (num_sites - 1); //1 less CNOT gates
bool EVALUATE_FULL_TENSOR = false;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -3142,7 +3142,7 @@ TEST(NumServerTester, ExaTNGenVisitor) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -3160,7 +3160,7 @@ TEST(NumServerTester, HubbardHamiltonian) {
const auto TENS_ELEM_TYPE = TensorElementType::COMPLEX64;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -3258,7 +3258,7 @@ TEST(NumServerTester, HubbardHamiltonian) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -3276,7 +3276,7 @@ TEST(NumServerTester, MCVQEHamiltonian) {
const auto TENS_ELEM_TYPE = TensorElementType::COMPLEX64;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -3342,7 +3342,7 @@ TEST(NumServerTester, MCVQEHamiltonian) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -3360,7 +3360,7 @@ TEST(NumServerTester, TensorOperatorReconstruction) {
const auto TENS_ELEM_TYPE = TensorElementType::COMPLEX64;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -3387,7 +3387,7 @@ TEST(NumServerTester, TensorOperatorReconstruction) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -3609,7 +3609,7 @@ TEST(NumServerTester, SpinHamiltonians) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -3771,7 +3771,7 @@ TEST(NumServerTester, ExcitedMCVQE) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -3791,7 +3791,7 @@ TEST(NumServerTester, CuTensorNet) {
const int NUM_REPEATS = 10;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -3900,7 +3900,7 @@ TEST(NumServerTester, CuTensorNet) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......@@ -3918,7 +3918,7 @@ TEST(NumServerTester, TensorComposite) {
const auto TENS_ELEM_TYPE = TensorElementType::COMPLEX32;
//exatn::resetLoggingLevel(2,2); //debug
//exatn::resetLoggingLevel(1,2); //debug
bool success = true;
......@@ -4023,7 +4023,7 @@ TEST(NumServerTester, TensorComposite) {
//Synchronize:
success = exatn::sync(); assert(success);
exatn::resetLoggingLevel(0,0);
//exatn::resetLoggingLevel(0,0);
//Grab a beer!
}
#endif
......
src/runtime/executor/graph_executors/lazy/graph_executor_lazy.cpp
View file @ 09f22251
/** ExaTN:: Tensor Runtime: Tensor graph executor: Lazy
REVISION: 2022/01/10
REVISION: 2022/01/17
Copyright (C) 2018-2022 Dmitry Lyakh
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle)
......@@ -153,8 +153,11 @@ void LazyGraphExecutor::execute(TensorGraph & dag) {
if(logging_.load() != 0){
logfile_ << "Success [" << std::fixed << std::setprecision(6)
<< exatn::Timer::timeInSecHR(getTimeStampStart()) << "]" << std::endl;
std::size_t free_mem = 0;
std::size_t used_mem = this->node_executor_->getMemoryUsage(&free_mem);
logfile_ << "[" << exatn::Timer::timeInSecHR(getTimeStampStart()) << "]"
<< " Total Flop count = " << getTotalFlopCount() << std::endl;
<< " Total Flop count = " << getTotalFlopCount()
<< "; Memory usage = " << used_mem << ", Free = " << free_mem << std::endl;
#ifdef DEBUG
logfile_.flush();
#endif
......@@ -222,8 +225,11 @@ void LazyGraphExecutor::execute(TensorGraph & dag) {
logfile_ << "[" << std::fixed << std::setprecision(6) << exatn::Timer::timeInSecHR(getTimeStampStart())
<< "](LazyGraphExecutor)[EXEC_THREAD]: Synced tensor operation "
<< node << ": Opcode = " << static_cast<int>(op->getOpcode()) << std::endl;
std::size_t free_mem = 0;
std::size_t used_mem = this->node_executor_->getMemoryUsage(&free_mem);
logfile_ << "[" << exatn::Timer::timeInSecHR(getTimeStampStart()) << "]"
<< " Total Flop count = " << getTotalFlopCount() << std::endl;
<< " Total Flop count = " << getTotalFlopCount()
<< "; Memory usage = " << used_mem << ", Free = " << free_mem << std::endl;
#ifdef DEBUG
logfile_.flush();
#endif
......
src/runtime/executor/node_executors/exatensor/node_executor_exatensor.cpp
View file @ 09f22251
/** ExaTN:: Tensor Runtime: Tensor graph node executor: Exatensor
REVISION: 2021/12/24
REVISION: 2022/01/17
Copyright (C) 2018-2021 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2021 Oak Ridge National Laboratory (UT-Battelle)
Copyright (C) 2018-2022 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle)
**/
#include "node_executor_exatensor.hpp"
......@@ -40,6 +40,14 @@ std::size_t ExatensorNodeExecutor::getMemoryBufferSize() const
}
std::size_t ExatensorNodeExecutor::getMemoryUsage(std::size_t * free_mem) const
{
//`Implement
*free_mem = 0;
return 0;
}
double ExatensorNodeExecutor::getTotalFlopCount() const
{
//`Implement
......
src/runtime/executor/node_executors/exatensor/node_executor_exatensor.hpp
View file @ 09f22251
/** ExaTN:: Tensor Runtime: Tensor graph node executor: Exatensor
REVISION: 2021/12/30
REVISION: 2022/01/17
Copyright (C) 2018-2021 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2021 Oak Ridge National Laboratory (UT-Battelle)
Copyright (C) 2018-2022 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle)
Rationale:
......@@ -39,6 +39,8 @@ public:
std::size_t getMemoryBufferSize() const override;
std::size_t getMemoryUsage(std::size_t * free_mem) const override;
double getTotalFlopCount() const override;
int execute(numerics::TensorOpCreate & op,
......
src/runtime/executor/node_executors/talsh/node_executor_talsh.cpp
View file @ 09f22251
/** ExaTN:: Tensor Runtime: Tensor graph node executor: Talsh
REVISION: 2021/12/30
REVISION: 2022/01/17
Copyright (C) 2018-2021 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2021 Oak Ridge National Laboratory (UT-Battelle)
Copyright (C) 2018-2022 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle)
**/
#include "node_executor_talsh.hpp"
......@@ -100,12 +100,24 @@ void TalshNodeExecutor::activateFastMath()
std::size_t TalshNodeExecutor::getMemoryBufferSize() const
{
while(!(talsh_initialized_.load()));
std::size_t buf_size = 0;
std::size_t buf_size = talsh_host_mem_buffer_size_.load();
while(buf_size == 0) buf_size = talsh_host_mem_buffer_size_.load();
return buf_size;
}
std::size_t TalshNodeExecutor::getMemoryUsage(std::size_t * free_mem) const
{
while(!(talsh_initialized_.load()));
std::size_t total_size = talsh_host_mem_buffer_size_.load();
while(total_size == 0) total_size = talsh_host_mem_buffer_size_.load();
assert(free_mem != nullptr);
*free_mem = talshDeviceBufferFreeSize(0,DEV_HOST);
std::size_t used_size = total_size - (*free_mem);
return used_size;
}
double TalshNodeExecutor::getTotalFlopCount() const
{
return talsh_submitted_flops_.load();
......
src/runtime/executor/node_executors/talsh/node_executor_talsh.hpp
View file @ 09f22251
/** ExaTN:: Tensor Runtime: Tensor graph node executor: Talsh
REVISION: 2021/12/30
REVISION: 2022/01/17
Copyright (C) 2018-2021 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2021 Oak Ridge National Laboratory (UT-Battelle)
Copyright (C) 2018-2022 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle)
Rationale:
......@@ -48,6 +48,8 @@ public:
std::size_t getMemoryBufferSize() const override;
std::size_t getMemoryUsage(std::size_t * free_mem) const override;
double getTotalFlopCount() const override;
int execute(numerics::TensorOpCreate & op,
......
src/runtime/executor/tensor_graph_executor.hpp
View file @ 09f22251
/** ExaTN:: Tensor Runtime: Tensor graph executor
REVISION: 2022/01/08
REVISION: 2022/01/17
Copyright (C) 2018-2022 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle)
......@@ -123,6 +123,13 @@ public:
return node_executor_->getMemoryBufferSize();
}
/** Returns the current memory usage by all allocated tensors.
Note that the returned value includes buffer fragmentation overhead. **/
std::size_t getMemoryUsage(std::size_t * free_mem) const {
while(!node_executor_);
return node_executor_->getMemoryUsage(free_mem);
}
/** Returns the current value of the total Flop count executed by the node executor. **/
virtual double getTotalFlopCount() const {
while(!node_executor_);
......
src/runtime/executor/tensor_node_executor.hpp
View file @ 09f22251
/** ExaTN:: Tensor Runtime: Tensor graph node executor
REVISION: 2021/12/30
REVISION: 2022/01/17
Copyright (C) 2018-2021 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2021 Oak Ridge National Laboratory (UT-Battelle)
Copyright (C) 2018-2022 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle)
Rationale:
(a) Tensor node executor provides actual implementation of registered
......@@ -58,6 +58,10 @@ public:
/** Returns the Host memory buffer size in bytes provided by the node executor. **/
virtual std::size_t getMemoryBufferSize() const = 0;
/** Returns the current memory usage by all allocated tensors.
Note that the returned value includes buffer fragmentation overhead. **/
virtual std::size_t getMemoryUsage(std::size_t * free_mem) const = 0;
/** Returns the current value of the total Flop count executed by the node executor. **/
virtual double getTotalFlopCount() const = 0;
......
src/runtime/tensor_runtime.cpp
View file @ 09f22251
/** ExaTN:: Tensor Runtime: Task-based execution layer for tensor operations
REVISION: 2022/01/08
REVISION: 2022/01/17
Copyright (C) 2018-2022 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle)
......@@ -171,6 +171,13 @@ std::size_t TensorRuntime::getMemoryBufferSize() const
}
std::size_t TensorRuntime::getMemoryUsage(std::size_t * free_mem) const
{
while(!graph_executor_);
return graph_executor_->getMemoryUsage(free_mem);
}
double TensorRuntime::getTotalFlopCount() const
{
while(!graph_executor_);
......
src/runtime/tensor_runtime.hpp
View file @ 09f22251
/** ExaTN:: Tensor Runtime: Task-based execution layer for tensor operations
REVISION: 2022/01/07
REVISION: 2022/01/17
Copyright (C) 2018-2022 Dmitry Lyakh, Tiffany Mintz, Alex McCaskey
Copyright (C) 2018-2022 Oak Ridge National Laboratory (UT-Battelle)
......@@ -104,6 +104,10 @@ public:
/** Returns the Host memory buffer size in bytes provided by the executor. **/
std::size_t getMemoryBufferSize() const;
/** Returns the current memory usage by all allocated tensors.
Note that the returned value includes buffer fragmentation overhead. **/
std::size_t getMemoryUsage(std::size_t * free_mem) const;