Restructured folders: examples, benchmarks, tests into misc folder.

1 files changed, 143 insertions, 0 deletions

diff --git a/misc/benchmarks/plotbench/csmap_benchmark.cpp b/misc/benchmarks/plotbench/csmap_benchmark.cpp
new file mode 100644
index 00000000..46bd695c
--- /dev/null
+++ b/misc/benchmarks/plotbench/csmap_benchmark.cpp
@@ -0,0 +1,143 @@
+#include <stdio.h>
+#include <time.h>
+#define i_static
+#include <stc/crandom.h>
+
+#ifdef __cplusplus
+#include <map>
+#endif
+
+enum {INSERT, ERASE, FIND, ITER, DESTRUCT, N_TESTS};
+const char* operations[] = {"insert", "erase", "find", "iter", "destruct"};
+typedef struct { time_t t1, t2; uint64_t sum; float fac; } Range;
+typedef struct { const char* name; Range test[N_TESTS]; } Sample;
+enum {SAMPLES = 2, N = 4000000, R = 4};
+uint64_t seed = 1, mask1 = 0xfffffff;
+
+static float secs(Range s) { return (float)(s.t2 - s.t1) / CLOCKS_PER_SEC; }
+
+#define i_key size_t
+#define i_val size_t
+#define i_tag x
+#include <stc/csmap.h>
+
+#ifdef __cplusplus
+Sample test_std_map() {
+    typedef std::map<size_t, size_t> container;
+    Sample s = {"std,map"};
+    {
+        csrandom(seed);
+        s.test[INSERT].t1 = clock();
+        container con;
+        c_forrange (i, N/2) con.emplace(crandom() & mask1, i);
+        c_forrange (i, N/2) con.emplace(i, i);
+        s.test[INSERT].t2 = clock();
+        s.test[INSERT].sum = con.size();
+        csrandom(seed);
+        s.test[ERASE].t1 = clock();
+        c_forrange (N) con.erase(crandom() & mask1);
+        s.test[ERASE].t2 = clock();
+        s.test[ERASE].sum = con.size();
+     }{
+        container con;
+        csrandom(seed);
+        c_forrange (i, N/2) con.emplace(crandom() & mask1, i);
+        c_forrange (i, N/2) con.emplace(i, i);
+        csrandom(seed);
+        s.test[FIND].t1 = clock();
+        size_t sum = 0;
+        container::iterator it;
+        c_forrange (N) if ((it = con.find(crandom() & mask1)) != con.end()) sum += it->second;
+        s.test[FIND].t2 = clock();
+        s.test[FIND].sum = sum;
+        s.test[ITER].t1 = clock();
+        sum = 0;
+        c_forrange (R) for (auto i: con) sum += i.second;
+        s.test[ITER].t2 = clock();
+        s.test[ITER].sum = sum;
+        s.test[DESTRUCT].t1 = clock();
+     }
+     s.test[DESTRUCT].t2 = clock();
+     s.test[DESTRUCT].sum = 0;
+     return s;
+}
+#else
+Sample test_std_map() { Sample s = {"std-map"}; return s;}
+#endif
+
+
+
+Sample test_stc_map() {
+    typedef csmap_x container;
+    Sample s = {"STC,map"};
+    {
+        csrandom(seed);
+        s.test[INSERT].t1 = clock();
+        container con = csmap_x_init();
+        c_forrange (i, N/2) csmap_x_insert(&con, crandom() & mask1, i);
+        c_forrange (i, N/2) csmap_x_insert(&con, i, i);
+        s.test[INSERT].t2 = clock();
+        s.test[INSERT].sum = csmap_x_size(&con);
+        csrandom(seed);
+        s.test[ERASE].t1 = clock();
+        c_forrange (N) csmap_x_erase(&con, crandom() & mask1);
+        s.test[ERASE].t2 = clock();
+        s.test[ERASE].sum = csmap_x_size(&con);
+        csmap_x_drop(&con);
+     }{
+        container con = csmap_x_init();
+        csrandom(seed);
+        c_forrange (i, N/2) csmap_x_insert(&con, crandom() & mask1, i);
+        c_forrange (i, N/2) csmap_x_insert(&con, i, i);
+        csrandom(seed);
+        s.test[FIND].t1 = clock();
+        size_t sum = 0;
+        const csmap_x_value* val;
+        c_forrange (N) 
+            if ((val = csmap_x_get(&con, crandom() & mask1)))
+                sum += val->second;
+        s.test[FIND].t2 = clock();
+        s.test[FIND].sum = sum;
+        s.test[ITER].t1 = clock();
+        sum = 0;
+        c_forrange (R) c_foreach (i, csmap_x, con) sum += i.ref->second;
+        s.test[ITER].t2 = clock();
+        s.test[ITER].sum = sum;
+        s.test[DESTRUCT].t1 = clock();
+        csmap_x_drop(&con);
+     }
+     s.test[DESTRUCT].t2 = clock();
+     s.test[DESTRUCT].sum = 0;
+     return s;
+}
+
+int main(int argc, char* argv[])
+{
+    Sample std_s[SAMPLES + 1], stc_s[SAMPLES + 1];
+    c_forrange (i, SAMPLES) {
+        std_s[i] = test_std_map();
+        stc_s[i] = test_stc_map();
+        if (i > 0) c_forrange (j, N_TESTS) {
+            if (secs(std_s[i].test[j]) < secs(std_s[0].test[j])) std_s[0].test[j] = std_s[i].test[j];
+            if (secs(stc_s[i].test[j]) < secs(stc_s[0].test[j])) stc_s[0].test[j] = stc_s[i].test[j];
+            if (stc_s[i].test[j].sum != stc_s[0].test[j].sum) printf("Error in sum: test %lld, sample %lld\n", i, j);
+        }
+    }
+    const char* comp = argc > 1 ? argv[1] : "test";
+    bool header = (argc > 2 && argv[2][0] == '1');
+    float std_sum = 0, stc_sum = 0;
+
+    c_forrange (j, N_TESTS) {
+        std_sum += secs(std_s[0].test[j]);
+        stc_sum += secs(stc_s[0].test[j]);
+    }
+    if (header) printf("Compiler,Library,C,Method,Seconds,Ratio\n");
+
+    c_forrange (j, N_TESTS)
+        printf("%s,%s n:%d,%s,%.3f,%.3f\n", comp, std_s[0].name, N, operations[j], secs(std_s[0].test[j]), 1.0f);
+    printf("%s,%s n:%d,%s,%.3f,%.3f\n", comp, std_s[0].name, N, "total", std_sum, 1.0f);
+
+    c_forrange (j, N_TESTS)
+        printf("%s,%s n:%d,%s,%.3f,%.3f\n", comp, stc_s[0].name, N, operations[j], secs(stc_s[0].test[j]), secs(std_s[0].test[j]) ? secs(stc_s[0].test[j])/secs(std_s[0].test[j]) : 1.0f);
+    printf("%s,%s n:%d,%s,%.3f,%.3f\n", comp, stc_s[0].name, N, "total", stc_sum, stc_sum/std_sum);
+}