From 1bdf83262a125a40efc2b07cacec0825254fcfd2 Mon Sep 17 00:00:00 2001
From: Tyge Løvset <tylo@norceresearch.no>
Date: Mon, 21 Dec 2020 14:42:06 +0100
Subject: Added cdeq benchmark

---
 benchmarks/cdeq_benchmark.cpp | 55 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 benchmarks/cdeq_benchmark.cpp

(limited to 'benchmarks/cdeq_benchmark.cpp')

diff --git a/benchmarks/cdeq_benchmark.cpp b/benchmarks/cdeq_benchmark.cpp
new file mode 100644
index 00000000..fd01ad8b
--- /dev/null
+++ b/benchmarks/cdeq_benchmark.cpp
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <time.h>
+#include <deque>
+#include <stc/cdeq.h>
+#include <stc/crand.h>
+
+enum {N = 200000000, M = 10000, P = 5000, R = 100};
+using_cdeq(i, int);
+
+void test1() {
+    clock_t t1 = clock(), t2, t3;
+    crand_t rng = crand_init(0);
+    std::deque<int> deq;
+    for (size_t i = 1; i < N; i++) {
+        deq.push_front(crand_next(&rng));
+        if (i % M == 0)
+            for (int j = 0; j < P; j++)
+                deq.pop_back();
+    }
+    size_t n = deq.size();
+    t2 = clock();
+    printf("std::deque push/pop: %5.2f sec, sz=%zu", (float)(t2 - t1) / CLOCKS_PER_SEC, n);
+    fflush(stdout);
+    size_t sum = 0;
+    c_forrange (R) c_forrange (i, n)
+        sum += deq[i];
+    t3 = clock();
+    printf(" sum: %5.2f sec, val=%zu\n", (float)(t3 - t2) / CLOCKS_PER_SEC, sum);
+}
+
+void test2() {
+    clock_t t1 = clock(), t2, t3;
+    crand_t rng = crand_init(0);
+    cdeq_i deq = cdeq_inits;
+    for (size_t i = 1; i < N; i++) {
+        cdeq_i_push_front(&deq, crand_next(&rng));
+        if (i % M == 0)
+            for (int j = 0; j < P; j++)
+                cdeq_i_pop_back(&deq);
+    }
+    size_t n = cdeq_i_size(deq);
+    t2 = clock();
+    printf("stc/cdeq_i push/pop: %5.2f sec, sz=%zu", (float)(t2 - t1) / CLOCKS_PER_SEC, n);
+    size_t sum = 0;
+    c_forrange (R) c_forrange (i, n)
+        sum += deq.data[i];
+    t3 = clock();
+    printf(" sum: %5.2f sec, val=%zu\n", (float)(t3 - t2) / CLOCKS_PER_SEC, sum);
+}
+
+int main()
+{
+    test1();
+    test2();
+}
-- 
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