Fix benchmarking code, add more tests

bench/src/Bench.c

@@ -4,6 +4,9 @@
 #include <stdio.h>
 
 
+#define BATCH_ITERS     1024
+
+
 struct BH_Bench
 {
     struct BH_Bench *next;
@@ -62,26 +65,30 @@ void BH_BenchAdd(const char *name,
 
 
 int BH_BenchIter(BH_Bench *state)
-{
-    if (state->started)
 {
     int64_t millis;
 
-        state->iterations++;
-        millis = BH_TimerMilliseconds(timer);
-
-        if (millis > 1000 && state->iterations > 10)
-        {
-            printf("%s\t%f ips\n", state->name, state->iterations / (millis / 1000.0f));
-            return 0;
-        }
-    }
-    else
+    if (!state->started)
     {
         state->started = 1;
+        state->iterations = 0;
         BH_TimerRestart(timer);
+        return 1;
     }
 
+    state->iterations++;
+    if (state->iterations & (BATCH_ITERS - 1))
+        return 1;
+
+    millis = BH_TimerMilliseconds(timer);
+    if (millis > 1000 || state->iterations > 1000000000)
+    {
+        float ips, ns;
+        ips = state->iterations / (millis / 1000.0f);
+        ns = (millis * 1000000.0) / state->iterations;
+        printf("%s\t%.2f ips (%.2f ns)\n", state->name, ips, ns);
+        return 0;
+    }
     return 1;
 }
 

bench/tests/BenchVec.c

@@ -0,0 +1,139 @@
+#include <BH/Bench.h>
+
+#include <BH/Math/Vec2i.h>
+#include <BH/Math/Vec3i.h>
+#include <BH/Math/Vec4i.h>
+#include <BH/Math/Vec2f.h>
+#include <BH/Math/Vec3f.h>
+#include <BH/Math/Vec4f.h>
+#include <stdlib.h>
+
+
+BH_BENCH_TEST(Vec2i)
+{
+    int a[2], b[2];
+
+    a[0] = (rand() % 100);
+    a[1] = (rand() % 100);
+
+    b[0] = (rand() % 100);
+    b[1] = (rand() % 100);
+
+    while (BH_BenchIter(state))
+    {
+        BH_Vec2iAdd(a, b, a);
+    }
+}
+
+
+BH_BENCH_TEST(Vec3i)
+{
+    int a[3], b[3];
+
+    a[0] = (rand() % 100);
+    a[1] = (rand() % 100);
+    a[2] = (rand() % 100);
+
+    b[0] = (rand() % 100);
+    b[1] = (rand() % 100);
+    b[2] = (rand() % 100);
+
+    while (BH_BenchIter(state))
+    {
+        BH_Vec3iAdd(a, b, a);
+    }
+}
+
+
+BH_BENCH_TEST(Vec4i)
+{
+    int a[4], b[4];
+
+    a[0] = (rand() % 100);
+    a[1] = (rand() % 100);
+    a[2] = (rand() % 100);
+    a[3] = (rand() % 100);
+
+    b[0] = (rand() % 100);
+    b[1] = (rand() % 100);
+    b[2] = (rand() % 100);
+    b[3] = (rand() % 100);
+
+    while (BH_BenchIter(state))
+    {
+        BH_Vec4iAdd(a, b, a);
+    }
+}
+
+
+BH_BENCH_TEST(Vec2f)
+{
+    float a[2], b[2];
+
+    a[0] = (rand() % 100) / 200.0;
+    a[1] = (rand() % 100) / 200.0;
+
+    b[0] = (rand() % 100) / 200.0;
+    b[1] = (rand() % 100) / 200.0;
+
+    while (BH_BenchIter(state))
+    {
+        BH_Vec2fAdd(a, b, a);
+    }
+}
+
+
+BH_BENCH_TEST(Vec3f)
+{
+    float a[3], b[3];
+
+    a[0] = (rand() % 100) / 200.0;
+    a[1] = (rand() % 100) / 200.0;
+    a[2] = (rand() % 100) / 200.0;
+
+    b[0] = (rand() % 100) / 200.0;
+    b[1] = (rand() % 100) / 200.0;
+    b[2] = (rand() % 100) / 200.0;
+
+    while (BH_BenchIter(state))
+    {
+        BH_Vec3fAdd(a, b, a);
+    }
+}
+
+
+BH_BENCH_TEST(Vec4f)
+{
+    float a[4], b[4];
+
+    a[0] = (rand() % 100) / 200.0;
+    a[1] = (rand() % 100) / 200.0;
+    a[2] = (rand() % 100) / 200.0;
+    a[3] = (rand() % 100) / 200.0;
+
+    b[0] = (rand() % 100) / 200.0;
+    b[1] = (rand() % 100) / 200.0;
+    b[2] = (rand() % 100) / 200.0;
+    b[3] = (rand() % 100) / 200.0;
+
+    while (BH_BenchIter(state))
+    {
+        BH_Vec4fAdd(a, b, a);
+    }
+}
+
+
+int main(int argc, char **argv)
+{
+    BH_UNUSED(argc);
+    BH_UNUSED(argv);
+
+    BH_BENCH_ADD(Vec2i);
+    BH_BENCH_ADD(Vec3i);
+    BH_BENCH_ADD(Vec4i);
+    BH_BENCH_ADD(Vec2f);
+    BH_BENCH_ADD(Vec3f);
+    BH_BENCH_ADD(Vec4f);
+
+    return BH_BenchRun();
+}

bench/tests/BenchVec3f.c

@@ -1,33 +0,0 @@
-#include <BH/Bench.h>
-#include <BH/Math/Vec3f.h>
-#include <stdlib.h>
-
-
-BH_BENCH_TEST(Vec3f)
-{
-    float a[3], b[3];
-
-    a[0] = (rand() % 100) / 200.0;
-    a[1] = (rand() % 100) / 200.0;
-    a[2] = (rand() % 100) / 200.0;
-
-    b[0] = (rand() % 100) / 200.0;
-    b[1] = (rand() % 100) / 200.0;
-    b[2] = (rand() % 100) / 200.0;
-
-    while (BH_BenchIter(state))
-    {
-        BH_Vec3fAdd(a, b, a);
-    }
-}
-
-
-int main(int argc, char **argv)
-{
-    BH_UNUSED(argc);
-    BH_UNUSED(argv);
-
-    BH_BENCH_ADD(Vec3f);
-
-    return BH_BenchRun();
-}