58 lines
1.1 KiB
C++
58 lines
1.1 KiB
C++
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/*
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* @file timeVectorConfig.cpp
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* @brief Performs timing and profiling for VectorConfig operations
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* @author Frank Dellaert
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*/
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#include <iostream>
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#include <boost/timer.hpp>
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#include "VectorConfig.h"
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using namespace std;
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using namespace gtsam;
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/*
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* Results:
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* Frank's machine:
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*/
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double timeAssignment(size_t n, size_t m, size_t r) {
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// assign a large VectorConfig
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// n = number of times to loop
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// m = number of vectors
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// r = rows per vector
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// Create 2 VectorConfigs
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VectorConfig a, b;
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for (int i = 0; i < m; ++i) {
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Vector v = zero(r);
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Symbol key('x', i);
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a.add(key, v);
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b.add(key, v);
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}
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// start timing
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double elapsed;
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{
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boost::timer t;
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for (int j = 0; j < n; ++j)
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a = b;
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elapsed = t.elapsed();
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}
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return elapsed;
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}
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int main(int argc, char ** argv) {
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// Time assignment operator
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cout << "Starting operator=() Timing" << endl;
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size_t n = 1000, m = 10000, r = 3;
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double time = timeAssignment(n, m, r);
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cout << "Average Elapsed time for assigning " << m << "*" << r
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<< " VectorConfigs: " << 10e3 * time / n << "ms." << endl;
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return 0;
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}
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