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45 lines
1.4 KiB
45 lines
1.4 KiB
6 years ago
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#include <sys/time.h>
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#include <omp.h>
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#include "serial_gs_pagerank_functions.h"
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//#include "coo_sparse_matrix.h"
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struct timeval startwtime, endwtime;
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double seq_time;
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int main(int argc, char **argv) {
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CsrSparseMatrix transitionMatrix = initCsrSparseMatrix();
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double *pagerankVector;
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bool convergenceStatus;
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Parameters parameters;
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omp_set_dynamic(0);
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parseArguments(argc, argv, ¶meters);
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initialize(&transitionMatrix, &pagerankVector, ¶meters);
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// Starts wall-clock timer
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gettimeofday (&startwtime, NULL);
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int iterations = pagerank(&transitionMatrix, &pagerankVector,
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&convergenceStatus, parameters);
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if (parameters.verbose) {
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printf(ANSI_COLOR_YELLOW "\n----- RESULTS -----\n" ANSI_COLOR_RESET);
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if (convergenceStatus) {
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printf(ANSI_COLOR_GREEN "Pagerank converged after %d iterations!\n" \
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ANSI_COLOR_RESET, iterations);
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} else {
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printf(ANSI_COLOR_RED "Pagerank did not converge after max number of" \
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" iterations (%d) was reached!\n" ANSI_COLOR_RESET, iterations);
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}
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}
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// Stops wall-clock timer
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gettimeofday (&endwtime, NULL);
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double seq_time = (double)((endwtime.tv_usec - startwtime.tv_usec)/1.0e6 +
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endwtime.tv_sec - startwtime.tv_sec);
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printf("%s wall clock time = %f\n","Pagerank (Gauss-Seidel method), serial implementation",
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seq_time);
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free(pagerankVector);
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destroyCsrSparseMatrix(&transitionMatrix);
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}
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