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/*
* Copyright (c) 2018 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "OpenCLMemoryUsage.h"
#include "../Framework.h"
#include "../Utils.h"
#ifndef ARM_COMPUTE_CL
#error "You can't use OpenCLMemoryUsage without OpenCL"
#endif /* ARM_COMPUTE_CL */
#include "arm_compute/core/CL/CLKernelLibrary.h"
namespace arm_compute
{
namespace test
{
namespace framework
{
std::string OpenCLMemoryUsage::id() const
{
return "OpenCLMemoryUsage";
}
OpenCLMemoryUsage::OpenCLMemoryUsage(ScaleFactor scale_factor)
: real_clCreateBuffer(CLSymbols::get().clCreateBuffer_ptr), real_clRetainMemObject(CLSymbols::get().clRetainMemObject_ptr), real_clReleaseMemObject(CLSymbols::get().clReleaseMemObject_ptr),
real_clSVMAlloc(CLSymbols::get().clSVMAlloc_ptr), real_clSVMFree(CLSymbols::get().clSVMFree_ptr), _allocations(), _svm_allocations(), _start(), _end(), _now()
{
switch(scale_factor)
{
case ScaleFactor::NONE:
_scale_factor = 1;
_unit = "";
break;
case ScaleFactor::SCALE_1K:
_scale_factor = 1000;
_unit = "K ";
break;
case ScaleFactor::SCALE_1M:
_scale_factor = 1000000;
_unit = "M ";
break;
default:
ARM_COMPUTE_ERROR("Invalid scale");
}
}
void OpenCLMemoryUsage::test_start()
{
_now = Stats();
ARM_COMPUTE_ERROR_ON(CLSymbols::get().clCreateBuffer_ptr == nullptr);
CLSymbols::get().clCreateBuffer_ptr = [this](
cl_context context,
cl_mem_flags flags,
size_t size,
void *host_ptr,
cl_int * errcode_ret)
{
cl_mem retval = this->real_clCreateBuffer(context, flags, size, host_ptr, errcode_ret);
if(host_ptr != nullptr)
{
// If it's an SVM / external allocation;
size = 0;
}
else
{
_now.num_allocations++;
_now.in_use += size;
_now.total_allocated += size;
if(_now.in_use > _now.max_in_use)
{
_now.max_in_use = _now.in_use;
}
}
this->_allocations[retval] = Allocation(size);
return retval;
};
ARM_COMPUTE_ERROR_ON(CLSymbols::get().clRetainMemObject_ptr == nullptr);
CLSymbols::get().clRetainMemObject_ptr = [this](cl_mem memobj)
{
cl_int retval = this->real_clRetainMemObject(memobj);
this->_allocations[memobj].refcount++;
return retval;
};
ARM_COMPUTE_ERROR_ON(CLSymbols::get().clReleaseMemObject_ptr == nullptr);
CLSymbols::get().clReleaseMemObject_ptr = [this](cl_mem memobj)
{
cl_int retval = this->real_clRetainMemObject(memobj);
Allocation &alloc = this->_allocations[memobj];
if(--alloc.refcount == 0)
{
_now.in_use -= alloc.size;
}
return retval;
};
//Only intercept the function if it exists:
if(CLSymbols::get().clSVMAlloc_ptr != nullptr)
{
CLSymbols::get().clSVMAlloc_ptr = [this](cl_context context, cl_svm_mem_flags flags, size_t size, cl_uint alignment)
{
void *retval = this->real_clSVMAlloc(context, flags, size, alignment);
if(retval != nullptr)
{
_svm_allocations[retval] = size;
_now.num_allocations++;
_now.in_use += size;
_now.total_allocated += size;
if(_now.in_use > _now.max_in_use)
{
_now.max_in_use = _now.in_use;
}
}
return retval;
};
}
//Only intercept the function if it exists:
if(CLSymbols::get().clSVMFree_ptr != nullptr)
{
CLSymbols::get().clSVMFree_ptr = [this](cl_context context, void *svm_pointer)
{
this->real_clSVMFree(context, svm_pointer);
auto iterator = _svm_allocations.find(svm_pointer);
if(iterator != _svm_allocations.end())
{
size_t size = iterator->second;
_svm_allocations.erase(iterator);
_now.in_use -= size;
}
};
}
}
void OpenCLMemoryUsage::start()
{
_start = _now;
}
void OpenCLMemoryUsage::stop()
{
_end = _now;
}
void OpenCLMemoryUsage::test_stop()
{
// Restore real function
CLSymbols::get().clCreateBuffer_ptr = real_clCreateBuffer;
CLSymbols::get().clRetainMemObject_ptr = real_clRetainMemObject;
CLSymbols::get().clReleaseMemObject_ptr = real_clReleaseMemObject;
CLSymbols::get().clSVMAlloc_ptr = real_clSVMAlloc;
CLSymbols::get().clSVMFree_ptr = real_clSVMFree;
}
Instrument::MeasurementsMap OpenCLMemoryUsage::measurements() const
{
MeasurementsMap measurements;
measurements.emplace("Num buffers allocated per run", Measurement(_end.num_allocations - _start.num_allocations, ""));
measurements.emplace("Total memory allocated per run", Measurement((_end.total_allocated - _start.total_allocated) / _scale_factor, _unit));
measurements.emplace("Memory in use at start of run", Measurement(_start.in_use / _scale_factor, _unit));
return measurements;
}
Instrument::MeasurementsMap OpenCLMemoryUsage::test_measurements() const
{
MeasurementsMap measurements;
measurements.emplace("Num buffers", Measurement(_now.num_allocations, ""));
measurements.emplace("Total memory allocated", Measurement(_now.total_allocated / _scale_factor, _unit));
measurements.emplace("Max memory allocated", Measurement(_now.max_in_use / _scale_factor, _unit));
measurements.emplace("Memory leaked", Measurement(_now.in_use / _scale_factor, _unit));
size_t num_programs = CLKernelLibrary::get().get_built_programs().size();
size_t total_size = 0;
for(auto it : CLKernelLibrary::get().get_built_programs())
{
std::vector<size_t> binary_sizes = it.second.getInfo<CL_PROGRAM_BINARY_SIZES>();
total_size = std::accumulate(binary_sizes.begin(), binary_sizes.end(), total_size);
}
measurements.emplace("Num programs in cache", Measurement(num_programs, ""));
measurements.emplace("Total programs memory in cache", Measurement(total_size / _scale_factor, _unit));
return measurements;
}
} // namespace framework
} // namespace test
} // namespace arm_compute
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