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-rw-r--r--misc/benchmarks/plotbench/cpque_benchmark.cpp71
1 files changed, 71 insertions, 0 deletions
diff --git a/misc/benchmarks/plotbench/cpque_benchmark.cpp b/misc/benchmarks/plotbench/cpque_benchmark.cpp
new file mode 100644
index 00000000..a729c09f
--- /dev/null
+++ b/misc/benchmarks/plotbench/cpque_benchmark.cpp
@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include <time.h>
+#define i_static
+#include <stc/crandom.h>
+
+#define i_val float
+#define i_cmp -c_default_cmp
+#define i_tag f
+#include <stc/cpque.h>
+
+#include <queue>
+
+static const uint32_t seed = 1234;
+
+void std_test()
+{
+ stc64_t rng;
+ int N = 10000000;
+
+ std::priority_queue<float, std::vector<float>, std::greater<float>> pq;
+ rng = stc64_new(seed);
+ clock_t start = clock();
+ c_forrange (i, N)
+ pq.push((float) stc64_randf(&rng)*100000);
+
+ printf("Built priority queue: %f secs\n", (clock() - start) / (float) CLOCKS_PER_SEC);
+ printf("%g ", pq.top());
+
+ start = clock();
+ c_forrange (i, N) {
+ pq.pop();
+ }
+
+ printf("\npopped PQ: %f secs\n\n", (clock() - start) / (float) CLOCKS_PER_SEC);
+}
+
+
+void stc_test()
+{
+ stc64_t rng;
+ int N = 10000000, M = 10;
+
+ c_auto (cpque_f, pq)
+ {
+ rng = stc64_new(seed);
+ clock_t start = clock();
+ c_forrange (i, N)
+ cpque_f_push(&pq, (float) stc64_randf(&rng)*100000);
+
+ printf("Built priority queue: %f secs\n", (clock() - start) / (float) CLOCKS_PER_SEC);
+ printf("%g ", *cpque_f_top(&pq));
+
+ c_forrange (i, M) {
+ cpque_f_pop(&pq);
+ }
+
+ start = clock();
+ c_forrange (i, M, N)
+ cpque_f_pop(&pq);
+ printf("\npopped PQ: %f secs\n", (clock() - start) / (float) CLOCKS_PER_SEC);
+ }
+}
+
+
+int main()
+{
+ puts("STD P.QUEUE:");
+ std_test();
+ puts("\nSTC P.QUEUE:");
+ stc_test();
+}