From 92429751ed9dfaf87a5b8eb98995fa1d1f282626 Mon Sep 17 00:00:00 2001
From: Tyge Løvset <tylo@norceresearch.no>
Date: Sun, 17 Jan 2021 23:31:13 +0100
Subject: Updated examples.

---
 examples/tmap.cpp | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 examples/tmap.cpp

(limited to 'examples/tmap.cpp')

diff --git a/examples/tmap.cpp b/examples/tmap.cpp
new file mode 100644
index 00000000..793ce6cc
--- /dev/null
+++ b/examples/tmap.cpp
@@ -0,0 +1,53 @@
+#include <stc/csmap.h>
+#include <stc/cstr.h>
+#include <stc/crand.h>
+#include <stdio.h>
+#include <map>
+
+using_csmap(i, int, size_t);
+//using_csset_str();
+
+#include <time.h>
+
+int main(int argc, char **argv)
+{
+    std::map<int, size_t> tmap;
+    csmap_i map = csmap_i_init();
+    csmap_i_iter_t it;
+    time_t seed = time(NULL);
+
+    size_t n = 2000000;
+    uint64_t mask = (1ull << 22) - 1;
+
+    clock_t t1 = clock();
+    stc64_srandom(seed);
+    for (size_t i = 0; i < n; ++i) {
+        uint64_t x = stc64_random() & mask;
+        tmap.emplace(x, i);
+    }
+    size_t s1 = tmap.size();
+    stc64_srandom(seed);
+    for (size_t i = 0; i < n - 50; ++i) {
+        uint64_t x = stc64_random() & mask;
+        tmap.erase(x);
+    }
+    clock_t t2 = clock();
+
+    stc64_srandom(seed);
+    for (size_t i = 0; i < n; ++i) {
+        uint64_t x = stc64_random() & mask;
+        csmap_i_emplace(&map, x, i);
+    }
+    size_t s2 = csmap_i_size(map);
+    stc64_srandom(seed);
+    for (size_t i = 0; i < n - 50; ++i) {
+        uint64_t x = stc64_random() & mask;
+        csmap_i_erase(&map, x);
+    }
+    clock_t t3 = clock();
+
+    printf("%zu %zu\n", s1, s2);
+    printf("%zu %zu\n", tmap.size(), csmap_i_size(map));
+
+    printf("time: %f %f\n", ((float)t2-t1) / CLOCKS_PER_SEC, ((float)t3-t2) / CLOCKS_PER_SEC);
+}
-- 
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