From c04a283a7ab97903683f5f7268068aef69f5bddf Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Thu, 13 Jun 2024 22:28:49 +0200
Subject: Added benchmark; removed old folder

---
 benchmark/00_gendata_h48/gendata_h48_benchmark.c | 42 ++++++++++++++++++++++++
 benchmark/benchmark.h                            | 39 ++++++++++++++++++++++
 benchmark/benchmark.sh                           | 27 +++++++++++++++
 3 files changed, 108 insertions(+)
 create mode 100644 benchmark/00_gendata_h48/gendata_h48_benchmark.c
 create mode 100644 benchmark/benchmark.h
 create mode 100755 benchmark/benchmark.sh

(limited to 'benchmark')

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
-- 
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