Added benchmark; removed old folder

1 files changed, 39 insertions, 0 deletions

diff --git a/benchmark/benchmark.h b/benchmark/benchmark.h
new file mode 100644
index 0000000..e9361a8
--- /dev/null
+++ b/benchmark/benchmark.h
@@ -0,0 +1,39 @@
+#include <stdbool.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+double
+time_benchmark(void (*run)(void), char *name)
+{
+        struct timespec start, end;
+        double tdiff, tdsec, tdnano;
+
+        printf("\n");
+        fflush(stdout);
+
+        if (run == NULL) {
+                printf("> %s: nothing to run!\n", name);
+                fflush(stdout);
+                return -1.0;
+        }
+
+        printf("Benchmark: %s\n\n", name);
+        printf("==========\n");
+        fflush(stdout);
+
+        clock_gettime(CLOCK_MONOTONIC, &start);
+        run();
+        clock_gettime(CLOCK_MONOTONIC, &end);
+
+        tdsec = end.tv_sec - start.tv_sec;
+        tdnano = end.tv_nsec - start.tv_nsec;
+        tdiff = tdsec + 1e-9 * tdnano;
+
+        printf("==========\n");
+        printf("\nTotal time: %.4fs\n", tdiff);
+        fflush(stdout);
+
+        return tdiff;
+}