3 files changed, 108 insertions, 0 deletions

diff --git a/benchmark/00_gendata_h48/gendata_h48_benchmark.c b/benchmark/00_gendata_h48/gendata_h48_benchmark.c
new file mode 100644
index 0000000..1dc7c57
--- /dev/null
+++ b/benchmark/00_gendata_h48/gendata_h48_benchmark.c
@@ -0,0 +1,42 @@
+#include "../benchmark.h"
+#include "../../src/cube.h"
+
+#define MAXDEPTH 10
+#define HVALUE 2
+#define OPTIONS "2;10"
+#define LONGOPTIONS "h = 2, max depth = 10"
+
+char *buf;
+
+void run(void) {
+        uint32_t *buf32;
+        int i;
+        int64_t s;
+
+        s = nissy_gendata("H48", OPTIONS, buf);
+
+        if (s == -1) {
+                printf("Error generating table\n");
+        } else {
+                printf("Succesfully generated %" PRId64 " bytes. Table:\n", s);
+                buf32 = (uint32_t *)&buf[s-sizeof(uint32_t)*(MAXDEPTH+1)];
+                for (i = 0; i <= MAXDEPTH; i++)
+                        printf("%d:\t%" PRId32 "\n", i, buf32[i]);
+        }
+}
+
+int main() {
+        int64_t size;
+
+        size = nissy_datasize("H48", OPTIONS);
+        if (size == -1) {
+                printf("gendata_h48 benchmark: error in datasize\n");
+                return 1;
+        }
+
+        buf = malloc(size);
+
+        time_benchmark(run, "gendata_h48 " LONGOPTIONS);
+
+        return 0;
+}
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;
+}
diff --git a/benchmark/benchmark.sh b/benchmark/benchmark.sh
new file mode 100755
index 0000000..6de280c
--- /dev/null
+++ b/benchmark/benchmark.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+re="${RUN:-$@}"
+
+CC="cc -std=c99 -pedantic -Wall -Wextra \
+    -Wno-unused-parameter -Wno-unused-function -O3 -D$CUBETYPE \
+    -D_POSIX_C_SOURCE=199309L"
+
+[ "$CUBETYPE" = "CUBE_AVX2" ] && CC="$CC -mavx2"
+
+BIN="benchmark/run"
+RES="benchmark/results"
+CUBEOBJ="cube.o"
+d="$(date +'%Y-%m-%d-%H-%M-%S')"
+
+mkdir -p "$RES"
+
+for t in benchmark/*; do
+        if [ -n "$re" ] && [ -z "$(echo "$t" | grep "$re")" ]; then
+                continue
+        fi
+        if [ ! -d "$t" ] || [ "$t" = "benchmark/results" ]; then continue; fi
+        $CC -o $BIN $t/*.c $CUBEOBJ || exit 1;
+        $BIN | tee "$RES/results-$d.txt" "$RES/results-last.txt"
+done
+
+rm -rf $BIN $CUBEOBJ