1 files changed, 387 insertions, 0 deletions
diff --git a/regressions/ck_ht/benchmark/serial.c b/regressions/ck_ht/benchmark/serial.c
new file mode 100644
index 0000000..0daa45c
--- /dev/null
+++ b/regressions/ck_ht/benchmark/serial.c
@@ -0,0 +1,387 @@
+/*
+ * Copyright 2012-2015 Samy Al Bahra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <ck_ht.h>
+
+#include <assert.h>
+#include <ck_malloc.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "../../common.h"
+
+static ck_ht_t ht;
+static char **keys;
+static size_t keys_length = 0;
+static size_t keys_capacity = 128;
+
+static void *
+ht_malloc(size_t r)
+{
+
+	return malloc(r);
+}
+
+static void
+ht_free(void *p, size_t b, bool r)
+{
+
+	(void)b;
+	(void)r;
+
+	free(p);
+
+	return;
+}
+
+static struct ck_malloc my_allocator = {
+	.malloc = ht_malloc,
+	.free = ht_free
+};
+
+static void
+table_init(void)
+{
+	unsigned int mode = CK_HT_MODE_BYTESTRING;
+
+#ifdef HT_DELETE
+	mode |= CK_HT_WORKLOAD_DELETE;
+#endif
+
+	common_srand48((long int)time(NULL));
+	if (ck_ht_init(&ht, mode, NULL, &my_allocator, 8, common_lrand48()) == false) {
+		perror("ck_ht_init");
+		exit(EXIT_FAILURE);
+	}
+
+	return;
+}
+
+static bool
+table_remove(const char *value)
+{
+	ck_ht_entry_t entry;
+	ck_ht_hash_t h;
+	size_t l = strlen(value);
+
+	ck_ht_hash(&h, &ht, value, l);
+	ck_ht_entry_key_set(&entry, value, l);
+	return ck_ht_remove_spmc(&ht, h, &entry);
+}
+
+static bool
+table_replace(const char *value)
+{
+	ck_ht_entry_t entry;
+	ck_ht_hash_t h;
+	size_t l = strlen(value);
+
+	ck_ht_hash(&h, &ht, value, l);
+	ck_ht_entry_set(&entry, h, value, l, "REPLACED");
+	return ck_ht_set_spmc(&ht, h, &entry);
+}
+
+static void *
+table_get(const char *value)
+{
+	ck_ht_entry_t entry;
+	ck_ht_hash_t h;
+	size_t l = strlen(value);
+	void *v = NULL;
+
+	ck_ht_hash(&h, &ht, value, l);
+	ck_ht_entry_key_set(&entry, value, l);
+
+	if (ck_ht_get_spmc(&ht, h, &entry) == true) {
+		v = ck_ht_entry_value(&entry);
+	}
+	return v;
+}
+
+static bool
+table_insert(const char *value)
+{
+	ck_ht_entry_t entry;
+	ck_ht_hash_t h;
+	size_t l = strlen(value);
+
+	ck_ht_hash(&h, &ht, value, l);
+	ck_ht_entry_set(&entry, h, value, l, "VALUE");
+	return ck_ht_put_spmc(&ht, h, &entry);
+}
+
+static size_t
+table_count(void)
+{
+
+	return ck_ht_count(&ht);
+}
+
+static bool
+table_gc(void)
+{
+
+	return ck_ht_gc(&ht, 0, common_lrand48());
+}
+
+static bool
+table_reset(void)
+{
+
+	return ck_ht_reset_spmc(&ht);
+}
+
+static void
+keys_shuffle(char **k)
+{
+	size_t i, j;
+	char *t;
+
+	for (i = keys_length; i > 1; i--) {
+		j = rand() % (i - 1);
+
+		if (j != i - 1) {
+			t = k[i - 1];
+			k[i - 1] = k[j];
+			k[j] = t;
+		}
+	}
+
+	return;
+}
+
+int
+main(int argc, char *argv[])
+{
+	FILE *fp;
+	char buffer[512];
+	size_t i, j, r;
+	unsigned int d = 0;
+	uint64_t s, e, a, ri, si, ai, sr, rg, sg, ag, sd, ng, gg;
+	char **t;
+	struct ck_ht_stat st;
+
+	r = 20;
+	s = 8;
+	srand(time(NULL));
+
+	if (argc < 2) {
+		ck_error("Usage: ck_ht <dictionary> [<repetitions> <initial size>]\n");
+	}
+
+	if (argc >= 3)
+		r = atoi(argv[2]);
+
+	if (argc >= 4)
+		s = (uint64_t)atoi(argv[3]);
+
+	keys = malloc(sizeof(char *) * keys_capacity);
+	assert(keys != NULL);
+
+	fp = fopen(argv[1], "r");
+	assert(fp != NULL);
+
+	while (fgets(buffer, sizeof(buffer), fp) != NULL) {
+		buffer[strlen(buffer) - 1] = '\0';
+		keys[keys_length++] = strdup(buffer);
+		assert(keys[keys_length - 1] != NULL);
+
+		if (keys_length == keys_capacity) {
+			t = realloc(keys, sizeof(char *) * (keys_capacity *= 2));
+			assert(t != NULL);
+			keys = t;
+		}
+	}
+
+	t = realloc(keys, sizeof(char *) * keys_length);
+	assert(t != NULL);
+	keys = t;
+
+	table_init();
+
+	for (i = 0; i < keys_length; i++)
+		d += table_insert(keys[i]) == false;
+	ck_ht_stat(&ht, &st);
+
+	fprintf(stderr, "# %zu entries stored, %u duplicates, %" PRIu64 " probe.\n",
+	    table_count(), d, st.probe_maximum);
+
+	fprintf(stderr, "#    reverse_insertion serial_insertion random_insertion serial_replace reverse_get serial_get random_get serial_remove negative_get garbage_collect\n\n");
+
+	a = 0;
+	for (j = 0; j < r; j++) {
+		if (table_reset() == false) {
+			ck_error("ERROR: Failed to reset hash table.\n");
+		}
+
+		s = rdtsc();
+		for (i = keys_length; i > 0; i--)
+			d += table_insert(keys[i - 1]) == false;
+		e = rdtsc();
+		a += e - s;
+	}
+	ri = a / (r * keys_length);
+
+	a = 0;
+	for (j = 0; j < r; j++) {
+		if (table_reset() == false) {
+			ck_error("ERROR: Failed to reset hash table.\n");
+		}
+
+		s = rdtsc();
+		for (i = 0; i < keys_length; i++)
+			d += table_insert(keys[i]) == false;
+		e = rdtsc();
+		a += e - s;
+	}
+	si = a / (r * keys_length);
+
+	a = 0;
+	for (j = 0; j < r; j++) {
+		keys_shuffle(keys);
+
+		if (table_reset() == false) {
+			ck_error("ERROR: Failed to reset hash table.\n");
+		}
+
+		s = rdtsc();
+		for (i = 0; i < keys_length; i++)
+			d += table_insert(keys[i]) == false;
+		e = rdtsc();
+		a += e - s;
+	}
+	ai = a / (r * keys_length);
+
+	a = 0;
+	for (j = 0; j < r; j++) {
+		s = rdtsc();
+		for (i = 0; i < keys_length; i++)
+			table_replace(keys[i]);
+		e = rdtsc();
+		a += e - s;
+	}
+	sr = a / (r * keys_length);
+
+	table_reset();
+	for (i = 0; i < keys_length; i++)
+		table_insert(keys[i]);
+
+	a = 0;
+	for (j = 0; j < r; j++) {
+		s = rdtsc();
+		for (i = keys_length; i > 0; i--) {
+			if (table_get(keys[i - 1]) == NULL) {
+				ck_error("ERROR: Unexpected NULL value.\n");
+			}
+		}
+		e = rdtsc();
+		a += e - s;
+	}
+	rg = a / (r * keys_length);
+
+	a = 0;
+	for (j = 0; j < r; j++) {
+		s = rdtsc();
+		for (i = 0; i < keys_length; i++) {
+			if (table_get(keys[i]) == NULL) {
+				ck_error("ERROR: Unexpected NULL value.\n");
+			}
+		}
+		e = rdtsc();
+		a += e - s;
+	}
+	sg = a / (r * keys_length);
+
+	a = 0;
+	for (j = 0; j < r; j++) {
+		keys_shuffle(keys);
+
+		s = rdtsc();
+		for (i = 0; i < keys_length; i++) {
+			if (table_get(keys[i]) == NULL) {
+				ck_error("ERROR: Unexpected NULL value.\n");
+			}
+		}
+		e = rdtsc();
+		a += e - s;
+	}
+	ag = a / (r * keys_length);
+
+	a = 0;
+	for (j = 0; j < r; j++) {
+		s = rdtsc();
+		for (i = 0; i < keys_length; i++)
+			table_remove(keys[i]);
+		e = rdtsc();
+		a += e - s;
+
+		for (i = 0; i < keys_length; i++)
+			table_insert(keys[i]);
+	}
+	sd = a / (r * keys_length);
+
+	for (i = 0; i < keys_length / 2; i++)
+		table_remove(keys[i]);
+
+	a = 0;
+	for (j = 0; j < r; j++) {
+		s = rdtsc();
+		table_gc();
+		e = rdtsc();
+		a += e - s;
+	}
+	gg = a / r;
+
+	a = 0;
+	for (j = 0; j < r; j++) {
+		s = rdtsc();
+		for (i = 0; i < keys_length; i++) {
+			table_get("\x50\x03\x04\x05\x06\x10");
+		}
+		e = rdtsc();
+		a += e - s;
+	}
+	ng = a / (r * keys_length);
+
+	printf("%zu "
+	    "%" PRIu64 " "
+	    "%" PRIu64 " "
+	    "%" PRIu64 " "
+	    "%" PRIu64 " "
+	    "%" PRIu64 " "
+	    "%" PRIu64 " "
+	    "%" PRIu64 " "
+	    "%" PRIu64 " "
+	    "%" PRIu64 " "
+	    "%" PRIu64 "\n",
+	    keys_length, ri, si, ai, sr, rg, sg, ag, sd, ng, gg);
+
+	return 0;
+}