fft.cc File Reference

#include <chrono>
#include <benchmark/benchmark.h>
#include "benchmarks/utilities.h"
#include "purify/operators.h"

Include dependency graph for fft.cc:

Go to the source code of this file.

Classes
class	FFTOperatorFixture

Functions
	BENCHMARK_DEFINE_F (FFTOperatorFixture, Apply)(benchmark
	RangeMultiplier (2) -> Range(128, 128<< 6) ->UseManualTime() ->Repetitions(10) ->ReportAggregatesOnly(true) ->Unit(benchmark::kMillisecond)
	BENCHMARK_MAIN ()

Function Documentation

BENCHMARK_DEFINE_F()

BENCHMARK_DEFINE_F	(	FFTOperatorFixture	,
		Apply
	)

Definition at line 21 of file fft.cc.

                                                                     {
  const t_uint m_imsizex = state.range(0);
  const t_uint m_imsizey = state.range(0);
  const t_uint N = m_imsizex * m_imsizey;
  const auto fftop = purify::operators::init_FFT_2d<Vector<t_complex>>(m_imsizey, m_imsizex, 1.);
  const auto& forward = std::get<0>(fftop);
 
  const Vector<t_complex> input = Vector<t_complex>::Random(N);
  Vector<t_complex> output = Vector<t_complex>::Zero(N);
  forward(output, input);
  while (state.KeepRunning()) {
    auto start = std::chrono::high_resolution_clock::now();
    forward(output, input);
    auto end = std::chrono::high_resolution_clock::now();
    state.SetIterationTime(b_utilities::duration(start, end));
  }
}

References b_utilities::duration().

BENCHMARK_MAIN()

BENCHMARK_MAIN

(

)

RangeMultiplier()

RangeMultiplier

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2

)

-> Range(128, 128<< 6) ->UseManualTime() ->Repetitions(10) ->ReportAggregatesOnly(true) ->Unit(benchmark::kMillisecond)