benchmark/radix_sort-bench.cc
author alpar
Wed, 01 Feb 2006 11:33:16 +0000
changeset 1937 7a7a1f95cc24
child 1956 a055123339d5
permissions -rw-r--r--
Some useful scripts:
check-compiler: test whether the repo compiles warningless
with various compilers.
check-integrity: checks whether everything is svn-added,
the makefiles are correct etc.
release: creates a version numbered release. Is modifies the repository.
DO NOT PLAY WITH IT!
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#define NDEBUG
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#include <lemon/time_measure.h>
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#include <lemon/smart_graph.h>
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#include <lemon/graph_utils.h>
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#include <lemon/maps.h>
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#include <lemon/error.h>
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#include <lemon/radix_sort.h>
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#include <vector>
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#include <algorithm>
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#include <cmath>
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using namespace std;
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using namespace lemon;
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void testRadixSort() {
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  int n = 10000000;
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  vector<int> data(n);
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  for (int i = 0; i < n; ++i) {
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    data[i] = (int)(1000 * (rand() / (RAND_MAX + 1.0))) - 500;
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  }
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  radixSort(data.begin(), data.end());
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}
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void testCounterSort() {
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  int n = 10000000;
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  vector<int> data(n);
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  for (int i = 0; i < n; ++i) {
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    data[i] = (int)(1000 * (rand() / (RAND_MAX + 1.0))) - 500;
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  }
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  counterSort(data.begin(), data.end());
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}
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void testSort() {
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  int n = 10000000;
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  vector<int> data(n);
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  for (int i = 0; i < n; ++i) {
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    data[i] = (int)(1000 * (rand() / (RAND_MAX + 1.0))) - 500;
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  }
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  sort(data.begin(), data.end());
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}
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void testStableSort() {
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  int n = 10000000;
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  vector<int> data(n);
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  for (int i = 0; i < n; ++i) {
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    data[i] = (int)(1000 * (rand() / (RAND_MAX + 1.0))) - 500;
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  }
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  stable_sort(data.begin(), data.end());
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}
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void testSorts() {
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  {
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    int n = 10000000;
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    vector<int> data(n);
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  }
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  cout << "Radix sort: " << runningTimeTest(testRadixSort, 60) << endl;
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  cout << "Counter sort: " << runningTimeTest(testCounterSort, 60) << endl;
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  cout << "Standard sort: " << runningTimeTest(testSort, 60) << endl;
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  cout << "Stable sort: " << runningTimeTest(testStableSort, 60) << endl;
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}
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int main() {
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  testSorts();
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  return 0;
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}