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#include <cusp/coo_matrix.h>
#include <cusp/csr_matrix.h>
#include <cusp/dia_matrix.h>
#include <cusp/ell_matrix.h>
#include <cusp/hyb_matrix.h>
#include <cusp/gallery/poisson.h>
#include <cusp/io/matrix_market.h>
#include <cusp/blas.h>
#include <thrust/binary_search.h>
#include <iostream>
#include <string>
#include <map>
#include <cmath>
#include <stdio.h>
#include "../timer.h"
template <typename SourceType, typename DestinationType, typename InputType>
float time_conversion(const InputType& A)
{
unsigned int N = 10;
SourceType S;
try
{
S = A;
}
catch (cusp::format_conversion_exception)
{
return -1;
}
try
{
DestinationType D(S);
}
catch (cusp::format_conversion_exception)
{
return -1;
}
timer t;
for(unsigned int i = 0; i < N; i++)
DestinationType D(S);
return t.milliseconds_elapsed() / N;
}
template <typename SourceType, typename InputType>
void for_each_destination(const InputType& A)
{
typedef typename SourceType::index_type I;
typedef typename SourceType::value_type V;
typedef typename SourceType::memory_space M;
typedef cusp::coo_matrix<I,V,M> COO;
typedef cusp::csr_matrix<I,V,M> CSR;
typedef cusp::dia_matrix<I,V,M> DIA;
typedef cusp::ell_matrix<I,V,M> ELL;
typedef cusp::hyb_matrix<I,V,M> HYB;
printf(" %9.2f |", time_conversion<SourceType, COO>(A));
printf(" %9.2f |", time_conversion<SourceType, CSR>(A));
printf(" %9.2f |", time_conversion<SourceType, DIA>(A));
printf(" %9.2f |", time_conversion<SourceType, ELL>(A));
printf(" %9.2f |", time_conversion<SourceType, HYB>(A));
}
template <typename MemorySpace, typename InputType>
void for_each_source(const InputType& A)
{
typedef typename InputType::index_type I;
typedef typename InputType::value_type V;
typedef cusp::coo_matrix<I,V,MemorySpace> COO;
typedef cusp::csr_matrix<I,V,MemorySpace> CSR;
typedef cusp::dia_matrix<I,V,MemorySpace> DIA;
typedef cusp::ell_matrix<I,V,MemorySpace> ELL;
typedef cusp::hyb_matrix<I,V,MemorySpace> HYB;
printf(" From \\ To | COO | CSR | DIA | ELL | HYB |\n");
printf(" COO |"); for_each_destination<COO>(A); printf("\n");
printf(" CSR |"); for_each_destination<CSR>(A); printf("\n");
printf(" DIA |"); for_each_destination<DIA>(A); printf("\n");
printf(" ELL |"); for_each_destination<ELL>(A); printf("\n");
printf(" HYB |"); for_each_destination<HYB>(A); printf("\n");
}
int main(int argc, char ** argv)
{
cudaSetDevice(0);
typedef int IndexType;
typedef float ValueType;
cusp::csr_matrix<IndexType, ValueType, cusp::host_memory> A;
if (argc == 1)
{
// no input file was specified, generate an example
cusp::gallery::poisson5pt(A, 500, 500);
}
else if (argc == 2)
{
// an input file was specified, read it from disk
cusp::io::read_matrix_market_file(A, argv[1]);
}
std::cout << "Input matrix has shape (" << A.num_rows << "," << A.num_cols << ") and " << A.num_entries << " entries" << "\n\n";
printf("Host Conversions (milliseconds per conversion)\n");
for_each_source<cusp::host_memory>(A);
printf("\n\n");
printf("Device Conversions (milliseconds per conversion)\n");
for_each_source<cusp::device_memory>(A);
return 0;
}
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