Merge remote-tracking branch 'origin/cognet'

ck_pring
Samy Al Bahra 11 years ago
commit 76e43825a7

@ -0,0 +1,131 @@
/*
* Copyright 2012-2014 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.
*/
#ifndef _CK_HS_H
#define _CK_HS_H
#include <ck_cc.h>
#include <ck_malloc.h>
#include <ck_md.h>
#include <ck_pr.h>
#include <ck_stdint.h>
#include <stdbool.h>
#include <stddef.h>
/*
* Indicates a single-writer many-reader workload. Mutually
* exclusive with CK_RHS_MODE_MPMC
*/
#define CK_RHS_MODE_SPMC 1
/*
* Indicates that values to be stored are not pointers but
* values. Allows for full precision. Mutually exclusive
* with CK_RHS_MODE_OBJECT.
*/
#define CK_RHS_MODE_DIRECT 2
/*
* Indicates that the values to be stored are pointers.
* Allows for space optimizations in the presence of pointer
* packing. Mutually exclusive with CK_RHS_MODE_DIRECT.
*/
#define CK_RHS_MODE_OBJECT 8
/*
* Indicated that the load is read-mostly, so get should be optimized
* over put and delete
*/
#define CK_RHS_MODE_READ_MOSTLY 16
/* Currently unsupported. */
#define CK_RHS_MODE_MPMC (void)
/*
* Hash callback function.
*/
typedef unsigned long ck_rhs_hash_cb_t(const void *, unsigned long);
/*
* Returns pointer to object if objects are equivalent.
*/
typedef bool ck_rhs_compare_cb_t(const void *, const void *);
#if defined(CK_MD_POINTER_PACK_ENABLE) && defined(CK_MD_VMA_BITS)
#define CK_RHS_PP
#define CK_RHS_KEY_MASK ((1U << ((sizeof(void *) * 8) - CK_MD_VMA_BITS)) - 1)
#endif
struct ck_rhs_map;
struct ck_rhs {
struct ck_malloc *m;
struct ck_rhs_map *map;
unsigned int mode;
unsigned long seed;
ck_rhs_hash_cb_t *hf;
ck_rhs_compare_cb_t *compare;
};
typedef struct ck_rhs ck_rhs_t;
struct ck_rhs_stat {
unsigned long n_entries;
unsigned int probe_maximum;
};
struct ck_rhs_iterator {
void **cursor;
unsigned long offset;
};
typedef struct ck_rhs_iterator ck_rhs_iterator_t;
#define CK_RHS_ITERATOR_INITIALIZER { NULL, 0 }
/* Convenience wrapper to table hash function. */
#define CK_RHS_HASH(T, F, K) F((K), (T)->seed)
void ck_rhs_iterator_init(ck_rhs_iterator_t *);
bool ck_rhs_next(ck_rhs_t *, ck_rhs_iterator_t *, void **);
bool ck_rhs_move(ck_rhs_t *, ck_rhs_t *, ck_rhs_hash_cb_t *,
ck_rhs_compare_cb_t *, struct ck_malloc *);
bool ck_rhs_init(ck_rhs_t *, unsigned int, ck_rhs_hash_cb_t *,
ck_rhs_compare_cb_t *, struct ck_malloc *, unsigned long, unsigned long);
void ck_rhs_destroy(ck_rhs_t *);
void *ck_rhs_get(ck_rhs_t *, unsigned long, const void *);
bool ck_rhs_put(ck_rhs_t *, unsigned long, const void *);
bool ck_rhs_put_unique(ck_rhs_t *, unsigned long, const void *);
bool ck_rhs_set(ck_rhs_t *, unsigned long, const void *, void **);
bool ck_rhs_fas(ck_rhs_t *, unsigned long, const void *, void **);
void *ck_rhs_remove(ck_rhs_t *, unsigned long, const void *);
bool ck_rhs_grow(ck_rhs_t *, unsigned long);
bool ck_rhs_rebuild(ck_rhs_t *);
bool ck_rhs_gc(ck_rhs_t *);
unsigned long ck_rhs_count(ck_rhs_t *);
bool ck_rhs_reset(ck_rhs_t *);
bool ck_rhs_reset_size(ck_rhs_t *, unsigned long);
void ck_rhs_stat(ck_rhs_t *, struct ck_rhs_stat *);
#endif /* _CK_HS_H */

@ -0,0 +1,17 @@
.PHONY: clean distribution
OBJECTS=serial parallel_bytestring
all: $(OBJECTS)
serial: serial.c ../../../include/ck_rhs.h ../../../src/ck_rhs.c
$(CC) $(CFLAGS) -o serial serial.c ../../../src/ck_rhs.c
parallel_bytestring: parallel_bytestring.c ../../../include/ck_rhs.h ../../../src/ck_rhs.c ../../../src/ck_epoch.c
$(CC) $(PTHREAD_CFLAGS) $(CFLAGS) -o parallel_bytestring parallel_bytestring.c ../../../src/ck_rhs.c ../../../src/ck_epoch.c
clean:
rm -rf *~ *.o $(OBJECTS) *.dSYM *.exe
include ../../../build/regressions.build
CFLAGS+=-D_GNU_SOURCE

@ -0,0 +1,599 @@
/*
* Copyright 2012 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 copyrighs
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyrighs
* 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 "../../common.h"
#include <ck_rhs.h>
#include "../../../src/ck_ht_hash.h"
#include <assert.h>
#include <ck_epoch.h>
#include <ck_malloc.h>
#include <ck_pr.h>
#include <ck_spinlock.h>
#include <errno.h>
#include <inttypes.h>
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
static ck_rhs_t hs CK_CC_CACHELINE;
static char **keys;
static size_t keys_length = 0;
static size_t keys_capacity = 128;
static ck_epoch_t epoch_hs;
static ck_epoch_record_t epoch_wr;
static int n_threads;
static bool next_stage;
enum state {
HS_STATE_STOP = 0,
HS_STATE_GET,
HS_STATE_STRICT_REPLACEMENT,
HS_STATE_DELETION,
HS_STATE_REPLACEMENT,
HS_STATE_COUNT
};
static ck_spinlock_t mtx = CK_SPINLOCK_INITIALIZER;
static struct affinity affinerator = AFFINITY_INITIALIZER;
static uint64_t accumulator[HS_STATE_COUNT];
static int barrier[HS_STATE_COUNT];
static int state;
struct hs_epoch {
ck_epoch_entry_t epoch_entry;
};
COMMON_ALARM_DECLARE_GLOBAL(hs_alarm, alarm_event, next_stage)
static void
alarm_handler(int s)
{
(void)s;
next_stage = true;
return;
}
static unsigned long
hs_hash(const void *object, unsigned long seed)
{
const char *c = object;
unsigned long h;
h = (unsigned long)MurmurHash64A(c, strlen(c), seed);
return h;
}
static bool
hs_compare(const void *previous, const void *compare)
{
return strcmp(previous, compare) == 0;
}
static void
hs_destroy(ck_epoch_entry_t *e)
{
free(e);
return;
}
static void *
hs_malloc(size_t r)
{
ck_epoch_entry_t *b;
b = malloc(sizeof(*b) + r);
return b + 1;
}
static void
hs_free(void *p, size_t b, bool r)
{
struct hs_epoch *e = p;
(void)b;
if (r == true) {
/* Destruction requires safe memory reclamation. */
ck_epoch_call(&epoch_hs, &epoch_wr, &(--e)->epoch_entry, hs_destroy);
} else {
free(--e);
}
return;
}
static struct ck_malloc my_allocator = {
.malloc = hs_malloc,
.free = hs_free
};
static void
set_init(void)
{
unsigned int mode = CK_RHS_MODE_OBJECT | CK_RHS_MODE_SPMC;
ck_epoch_init(&epoch_hs);
ck_epoch_register(&epoch_hs, &epoch_wr);
common_srand48((long int)time(NULL));
if (ck_rhs_init(&hs, mode, hs_hash, hs_compare, &my_allocator, 65536, common_lrand48()) == false) {
perror("ck_rhs_init");
exit(EXIT_FAILURE);
}
return;
}
static bool
set_remove(const char *value)
{
unsigned long h;
h = CK_RHS_HASH(&hs, hs_hash, value);
return (bool)ck_rhs_remove(&hs, h, value);
}
static bool
set_replace(const char *value)
{
unsigned long h;
void *previous;
h = CK_RHS_HASH(&hs, hs_hash, value);
return ck_rhs_set(&hs, h, value, &previous);
}
static bool
set_swap(const char *value)
{
unsigned long h;
void *previous;
h = CK_RHS_HASH(&hs, hs_hash, value);
return ck_rhs_fas(&hs, h, value, &previous);
}
static void *
set_get(const char *value)
{
unsigned long h;
void *v;
h = CK_RHS_HASH(&hs, hs_hash, value);
v = ck_rhs_get(&hs, h, value);
return v;
}
static bool
set_insert(const char *value)
{
unsigned long h;
h = CK_RHS_HASH(&hs, hs_hash, value);
return ck_rhs_put(&hs, h, value);
}
static size_t
set_count(void)
{
return ck_rhs_count(&hs);
}
static bool
set_reset(void)
{
return ck_rhs_reset(&hs);
}
static void *
reader(void *unused)
{
size_t i;
ck_epoch_record_t epoch_record;
int state_previous = HS_STATE_STOP;
int n_state = 0;
uint64_t s, j, a;
(void)unused;
if (aff_iterate(&affinerator) != 0)
perror("WARNING: Failed to affine thread");
s = j = a = 0;
ck_epoch_register(&epoch_hs, &epoch_record);
for (;;) {
j++;
ck_epoch_begin(&epoch_hs, &epoch_record);
s = rdtsc();
for (i = 0; i < keys_length; i++) {
char *r;
r = set_get(keys[i]);
if (r == NULL) {
if (n_state == HS_STATE_STRICT_REPLACEMENT) {
ck_error("ERROR: Did not find during replacement: %s\n", keys[i]);
}
continue;
}
if (strcmp(r, keys[i]) == 0)
continue;
ck_error("ERROR: Found invalid value: [%s] but expected [%s]\n", (char *)r, keys[i]);
}
a += rdtsc() - s;
ck_epoch_end(&epoch_hs, &epoch_record);
n_state = ck_pr_load_int(&state);
if (n_state != state_previous) {
ck_spinlock_lock(&mtx);
accumulator[state_previous] += a / (j * keys_length);
ck_spinlock_unlock(&mtx);
ck_pr_inc_int(&barrier[state_previous]);
while (ck_pr_load_int(&barrier[state_previous]) != n_threads + 1)
ck_pr_stall();
state_previous = n_state;
s = j = a = 0;
}
}
return NULL;
}
static uint64_t
acc(size_t i)
{
uint64_t r;
ck_spinlock_lock(&mtx);
r = accumulator[i];
ck_spinlock_unlock(&mtx);
return r;
}
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, repeated;
char **t;
pthread_t *readers;
double p_r, p_d;
COMMON_ALARM_DECLARE_LOCAL(hs_alarm, alarm_event)
r = 20;
s = 8;
p_d = 0.5;
p_r = 0.5;
n_threads = CORES - 1;
if (argc < 2) {
ck_error("Usage: parallel <dictionary> [<interval length> <initial size> <readers>\n"
" <probability of replacement> <probability of deletion> <epoch threshold>]\n");
}
if (argc >= 3)
r = atoi(argv[2]);
if (argc >= 4)
s = (uint64_t)atoi(argv[3]);
if (argc >= 5) {
n_threads = atoi(argv[4]);
if (n_threads < 1) {
ck_error("ERROR: Number of readers must be >= 1.\n");
}
}
if (argc >= 6) {
p_r = atof(argv[5]) / 100.00;
if (p_r < 0) {
ck_error("ERROR: Probability of replacement must be >= 0 and <= 100.\n");
}
}
if (argc >= 7) {
p_d = atof(argv[6]) / 100.00;
if (p_d < 0) {
ck_error("ERROR: Probability of deletion must be >= 0 and <= 100.\n");
}
}
COMMON_ALARM_INIT(hs_alarm, alarm_event, r)
affinerator.delta = 1;
readers = malloc(sizeof(pthread_t) * n_threads);
assert(readers != NULL);
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;
set_init();
for (i = 0; i < (size_t)n_threads; i++) {
if (pthread_create(&readers[i], NULL, reader, NULL) != 0) {
ck_error("ERROR: Failed to create thread %zu.\n", i);
}
}
for (i = 0; i < keys_length; i++)
d += set_insert(keys[i]) == false;
fprintf(stderr, " [S] %d readers, 1 writer.\n", n_threads);
fprintf(stderr, " [S] %zu entries stored and %u duplicates.\n\n",
set_count(), d);
fprintf(stderr, " ,- BASIC TEST\n");
fprintf(stderr, " | Executing SMR test...");
a = 0;
for (j = 0; j < r; j++) {
if (set_reset() == false) {
ck_error("ERROR: Failed to reset hash table.\n");
}
s = rdtsc();
for (i = 0; i < keys_length; i++)
d += set_insert(keys[i]) == false;
e = rdtsc();
a += e - s;
}
fprintf(stderr, "done (%" PRIu64 " ticks)\n", a / (r * keys_length));
fprintf(stderr, " | Executing replacement test...");
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++)
set_replace(keys[i]);
e = rdtsc();
a += e - s;
}
fprintf(stderr, "done (%" PRIu64 " ticks)\n", a / (r * keys_length));
fprintf(stderr, " | Executing get test...");
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++) {
if (set_get(keys[i]) == NULL) {
ck_error("ERROR: Unexpected NULL value.\n");
}
}
e = rdtsc();
a += e - s;
}
fprintf(stderr, "done (%" PRIu64 " ticks)\n", a / (r * keys_length));
a = 0;
fprintf(stderr, " | Executing removal test...");
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++)
set_remove(keys[i]);
e = rdtsc();
a += e - s;
for (i = 0; i < keys_length; i++)
set_insert(keys[i]);
}
fprintf(stderr, "done (%" PRIu64 " ticks)\n", a / (r * keys_length));
fprintf(stderr, " | Executing negative look-up test...");
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++) {
set_get("\x50\x03\x04\x05\x06\x10");
}
e = rdtsc();
a += e - s;
}
fprintf(stderr, "done (%" PRIu64 " ticks)\n", a / (r * keys_length));
ck_epoch_record_t epoch_temporary = epoch_wr;
ck_epoch_synchronize(&epoch_hs, &epoch_wr);
fprintf(stderr, " '- Summary: %u pending, %u peak, %lu reclamations -> "
"%u pending, %u peak, %lu reclamations\n\n",
epoch_temporary.n_pending, epoch_temporary.n_peak, epoch_temporary.n_dispatch,
epoch_wr.n_pending, epoch_wr.n_peak, epoch_wr.n_dispatch);
fprintf(stderr, " ,- READER CONCURRENCY\n");
fprintf(stderr, " | Executing reader test...");
ck_pr_store_int(&state, HS_STATE_GET);
while (ck_pr_load_int(&barrier[HS_STATE_STOP]) != n_threads)
ck_pr_stall();
ck_pr_inc_int(&barrier[HS_STATE_STOP]);
common_sleep(r);
ck_pr_store_int(&state, HS_STATE_STRICT_REPLACEMENT);
while (ck_pr_load_int(&barrier[HS_STATE_GET]) != n_threads)
ck_pr_stall();
fprintf(stderr, "done (reader = %" PRIu64 " ticks)\n",
acc(HS_STATE_GET) / n_threads);
fprintf(stderr, " | Executing strict replacement test...");
a = repeated = 0;
common_alarm(alarm_handler, &alarm_event, r);
ck_pr_inc_int(&barrier[HS_STATE_GET]);
for (;;) {
repeated++;
s = rdtsc();
for (i = 0; i < keys_length; i++) {
if (i & 1) {
set_replace(keys[i]);
} else {
set_swap(keys[i]);
}
}
e = rdtsc();
a += e - s;
if (next_stage == true) {
next_stage = false;
break;
}
}
ck_pr_store_int(&state, HS_STATE_DELETION);
while (ck_pr_load_int(&barrier[HS_STATE_STRICT_REPLACEMENT]) != n_threads)
ck_pr_stall();
set_reset();
ck_epoch_synchronize(&epoch_hs, &epoch_wr);
fprintf(stderr, "done (writer = %" PRIu64 " ticks, reader = %" PRIu64 " ticks)\n",
a / (repeated * keys_length), acc(HS_STATE_STRICT_REPLACEMENT) / n_threads);
common_alarm(alarm_handler, &alarm_event, r);
fprintf(stderr, " | Executing deletion test (%.2f)...", p_d * 100);
a = repeated = 0;
ck_pr_inc_int(&barrier[HS_STATE_STRICT_REPLACEMENT]);
for (;;) {
double delete;
repeated++;
s = rdtsc();
for (i = 0; i < keys_length; i++) {
set_insert(keys[i]);
if (p_d != 0.0) {
delete = common_drand48();
if (delete <= p_d)
set_remove(keys[i]);
}
}
e = rdtsc();
a += e - s;
if (next_stage == true) {
next_stage = false;
break;
}
}
ck_pr_store_int(&state, HS_STATE_REPLACEMENT);
while (ck_pr_load_int(&barrier[HS_STATE_DELETION]) != n_threads)
ck_pr_stall();
set_reset();
ck_epoch_synchronize(&epoch_hs, &epoch_wr);
fprintf(stderr, "done (writer = %" PRIu64 " ticks, reader = %" PRIu64 " ticks)\n",
a / (repeated * keys_length), acc(HS_STATE_DELETION) / n_threads);
common_alarm(alarm_handler, &alarm_event, r);
fprintf(stderr, " | Executing replacement test (%.2f)...", p_r * 100);
a = repeated = 0;
ck_pr_inc_int(&barrier[HS_STATE_DELETION]);
for (;;) {
double delete, replace;
repeated++;
s = rdtsc();
for (i = 0; i < keys_length; i++) {
set_insert(keys[i]);
if (p_d != 0.0) {
delete = common_drand48();
if (delete <= p_d)
set_remove(keys[i]);
} else {
delete = 0.0;
}
if (p_r != 0.0) {
replace = common_drand48();
if (replace <= p_r) {
if ((i & 1) || (delete <= p_d)) {
set_replace(keys[i]);
} else {
set_swap(keys[i]);
}
}
}
}
e = rdtsc();
a += e - s;
if (next_stage == true) {
next_stage = false;
break;
}
}
ck_pr_store_int(&state, HS_STATE_STOP);
while (ck_pr_load_int(&barrier[HS_STATE_REPLACEMENT]) != n_threads)
ck_pr_stall();
set_reset();
ck_epoch_synchronize(&epoch_hs, &epoch_wr);
fprintf(stderr, "done (writer = %" PRIu64 " ticks, reader = %" PRIu64 " ticks)\n",
a / (repeated * keys_length), acc(HS_STATE_REPLACEMENT) / n_threads);
ck_pr_inc_int(&barrier[HS_STATE_REPLACEMENT]);
epoch_temporary = epoch_wr;
ck_epoch_synchronize(&epoch_hs, &epoch_wr);
fprintf(stderr, " '- Summary: %u pending, %u peak, %lu reclamations -> "
"%u pending, %u peak, %lu reclamations\n\n",
epoch_temporary.n_pending, epoch_temporary.n_peak, epoch_temporary.n_dispatch,
epoch_wr.n_pending, epoch_wr.n_peak, epoch_wr.n_dispatch);
return 0;
}

@ -0,0 +1,517 @@
/*
* Copyright 2012 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 copyrighs
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyrighs
* 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_rhs.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"
#include "../../../src/ck_ht_hash.h"
static ck_rhs_t hs;
static char **keys;
static size_t keys_length = 0;
static size_t keys_capacity = 128;
static unsigned long global_seed;
static void *
hs_malloc(size_t r)
{
return malloc(r);
}
static void
hs_free(void *p, size_t b, bool r)
{
(void)b;
(void)r;
free(p);
return;
}
static struct ck_malloc my_allocator = {
.malloc = hs_malloc,
.free = hs_free
};
static unsigned long
hs_hash(const void *object, unsigned long seed)
{
const char *c = object;
unsigned long h;
h = (unsigned long)MurmurHash64A(c, strlen(c), seed);
return h;
}
static bool
hs_compare(const void *previous, const void *compare)
{
return strcmp(previous, compare) == 0;
}
static void
set_destroy(void)
{
ck_rhs_destroy(&hs);
return;
}
static void
set_init(unsigned int size, unsigned int mode)
{
if (ck_rhs_init(&hs, CK_RHS_MODE_OBJECT | CK_RHS_MODE_SPMC | mode, hs_hash, hs_compare,
&my_allocator, size, global_seed) == false) {
perror("ck_rhs_init");
exit(EXIT_FAILURE);
}
return;
}
static bool
set_remove(const char *value)
{
unsigned long h;
h = CK_RHS_HASH(&hs, hs_hash, value);
return ck_rhs_remove(&hs, h, value) != NULL;
}
static bool
set_swap(const char *value)
{
unsigned long h;
void *previous;
h = CK_RHS_HASH(&hs, hs_hash, value);
return ck_rhs_fas(&hs, h, value, &previous);
}
static bool
set_replace(const char *value)
{
unsigned long h;
void *previous;
h = CK_RHS_HASH(&hs, hs_hash, value);
ck_rhs_set(&hs, h, value, &previous);
return previous != NULL;
}
static void *
set_get(const char *value)
{
unsigned long h;
void *v;
h = CK_RHS_HASH(&hs, hs_hash, value);
v = ck_rhs_get(&hs, h, value);
return v;
}
static bool
set_insert(const char *value)
{
unsigned long h;
h = CK_RHS_HASH(&hs, hs_hash, value);
return ck_rhs_put(&hs, h, value);
}
static bool
set_insert_unique(const char *value)
{
unsigned long h;
h = CK_RHS_HASH(&hs, hs_hash, value);
return ck_rhs_put_unique(&hs, h, value);
}
static size_t
set_count(void)
{
return ck_rhs_count(&hs);
}
static bool
set_reset(void)
{
return ck_rhs_reset(&hs);
}
static void
set_gc(void)
{
ck_rhs_gc(&hs);
return;
}
static void
set_rebuild(void)
{
ck_rhs_rebuild(&hs);
return;
}
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;
}
static void
run_test(const char *file, size_t r, unsigned int size, unsigned int mode)
{
FILE *fp;
char buffer[512];
size_t i, j;
unsigned int d = 0;
uint64_t s, e, a, ri, si, ai, sr, rg, sg, ag, sd, ng, ss, sts, su, sgc, sb;
struct ck_rhs_stat st;
char **t;
keys = malloc(sizeof(char *) * keys_capacity);
assert(keys != NULL);
fp = fopen(file, "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;
set_init(size, mode);
for (i = 0; i < keys_length; i++)
d += set_insert(keys[i]) == false;
ck_rhs_stat(&hs, &st);
fprintf(stderr, "# %zu entries stored, %u duplicates, %u probe.\n",
set_count(), d, st.probe_maximum);
a = 0;
for (j = 0; j < r; j++) {
if (set_reset() == false) {
ck_error("ERROR: Failed to reset hash table.\n");
}
s = rdtsc();
for (i = keys_length; i > 0; i--)
d += set_insert(keys[i - 1]) == false;
e = rdtsc();
a += e - s;
}
ri = a / (r * keys_length);
a = 0;
for (j = 0; j < r; j++) {
if (set_reset() == false) {
ck_error("ERROR: Failed to reset hash table.\n");
}
s = rdtsc();
for (i = 0; i < keys_length; i++)
d += set_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 (set_reset() == false) {
ck_error("ERROR: Failed to reset hash table.\n");
}
s = rdtsc();
for (i = 0; i < keys_length; i++)
d += set_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++)
set_swap(keys[i]);
e = rdtsc();
a += e - s;
}
ss = a / (r * keys_length);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++)
set_replace(keys[i]);
e = rdtsc();
a += e - s;
}
sr = a / (r * keys_length);
set_reset();
for (i = 0; i < keys_length; i++)
set_insert(keys[i]);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = keys_length; i > 0; i--) {
if (set_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 (set_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 (set_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++)
set_remove(keys[i]);
e = rdtsc();
a += e - s;
for (i = 0; i < keys_length; i++)
set_insert(keys[i]);
}
sd = a / (r * keys_length);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++) {
set_get("\x50\x03\x04\x05\x06\x10");
}
e = rdtsc();
a += e - s;
}
ng = a / (r * keys_length);
set_reset();
for (i = 0; i < keys_length; i++)
set_insert(keys[i]);
for (i = 0; i < keys_length; i++)
set_remove(keys[i]);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++)
set_insert(keys[i]);
e = rdtsc();
a += e - s;
for (i = 0; i < keys_length; i++)
set_remove(keys[i]);
}
sts = a / (r * keys_length);
set_reset();
/* Prune duplicates. */
for (i = 0; i < keys_length; i++) {
if (set_insert(keys[i]) == true)
continue;
free(keys[i]);
keys[i] = keys[--keys_length];
}
for (i = 0; i < keys_length; i++)
set_remove(keys[i]);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++)
set_insert_unique(keys[i]);
e = rdtsc();
a += e - s;
for (i = 0; i < keys_length; i++)
set_remove(keys[i]);
}
su = a / (r * keys_length);
for (i = 0; i < keys_length; i++)
set_insert_unique(keys[i]);
for (i = 0; i < keys_length / 2; i++)
set_remove(keys[i]);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
set_gc();
e = rdtsc();
a += e - s;
}
sgc = a / r;
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
set_rebuild();
e = rdtsc();
a += e - s;
}
sb = a / r;
printf("%zu "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 "\n",
keys_length, ri, si, ai, ss, sr, rg, sg, ag, sd, ng, sts, su, sgc, sb);
fclose(fp);
for (i = 0; i < keys_length; i++) {
free(keys[i]);
}
free(keys);
keys_length = 0;
set_destroy();
return;
}
int
main(int argc, char *argv[])
{
unsigned int r, size;
common_srand48((long int)time(NULL));
if (argc < 2) {
ck_error("Usage: ck_rhs <dictionary> [<repetitions> <initial size>]\n");
}
r = 16;
if (argc >= 3)
r = atoi(argv[2]);
size = 8;
if (argc >= 4)
size = atoi(argv[3]);
global_seed = common_lrand48();
run_test(argv[1], r, size, 0);
run_test(argv[1], r, size, CK_RHS_MODE_READ_MOSTLY);
fprintf(stderr, "# reverse_insertion serial_insertion random_insertion serial_swap "
"serial_replace reverse_get serial_get random_get serial_remove negative_get tombstone "
"set_unique gc rebuild\n\n");
return 0;
}

@ -0,0 +1,17 @@
.PHONY: check clean distribution
OBJECTS=serial
all: $(OBJECTS)
serial: serial.c ../../../include/ck_rhs.h ../../../src/ck_rhs.c
$(CC) $(CFLAGS) -o serial serial.c ../../../src/ck_rhs.c
check: all
./serial
clean:
rm -rf *~ *.o $(OBJECTS) *.dSYM *.exe
include ../../../build/regressions.build
CFLAGS+=-D_GNU_SOURCE

@ -0,0 +1,245 @@
/*
* Copyright 2012 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 copyrighs
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyrighs
* 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_rhs.h>
#include <assert.h>
#include <ck_malloc.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../../common.h"
static void *
hs_malloc(size_t r)
{
return malloc(r);
}
static void
hs_free(void *p, size_t b, bool r)
{
(void)b;
(void)r;
free(p);
return;
}
static struct ck_malloc my_allocator = {
.malloc = hs_malloc,
.free = hs_free
};
const char *test[] = { "Samy", "Al", "Bahra", "dances", "in", "the", "wind.", "Once",
"upon", "a", "time", "his", "gypsy", "ate", "one", "itsy",
"bitsy", "spider.", "What", "goes", "up", "must",
"come", "down.", "What", "is", "down", "stays",
"down.", "A", "B", "C", "D", "E", "F", "G", "H",
"I", "J", "K", "L", "M", "N", "O", "P", "Q" };
const char *negative = "negative";
/* Purposefully crappy hash function. */
static unsigned long
hs_hash(const void *object, unsigned long seed)
{
const char *c = object;
unsigned long h;
(void)seed;
h = c[0];
return h;
}
static bool
hs_compare(const void *previous, const void *compare)
{
return strcmp(previous, compare) == 0;
}
static void
run_test(unsigned int is, unsigned int ad)
{
ck_rhs_t hs[16];
const size_t size = sizeof(hs) / sizeof(*hs);
size_t i, j;
const char *blob = "#blobs";
unsigned long h;
if (ck_rhs_init(&hs[0], CK_RHS_MODE_SPMC | CK_RHS_MODE_OBJECT | ad, hs_hash, hs_compare, &my_allocator, is, 6602834) == false)
ck_error("ck_rhs_init\n");
for (j = 0; j < size; j++) {
for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
h = test[i][0];
if (ck_rhs_get(&hs[j], h, test[i]) != NULL) {
continue;
}
if (ck_rhs_put_unique(&hs[j], h, test[i]) == false)
ck_error("ERROR [%zu]: Failed to insert unique (%s)\n", j, test[i]);
if (ck_rhs_remove(&hs[j], h, test[i]) == false)
ck_error("ERROR [%zu]: Failed to remove unique (%s)\n", j, test[i]);
break;
}
for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
h = test[i][0];
ck_rhs_put(&hs[j], h, test[i]);
if (ck_rhs_put(&hs[j], h, test[i]) == true) {
ck_error("ERROR [%u] [1]: put must fail on collision (%s).\n", is, test[i]);
}
if (ck_rhs_get(&hs[j], h, test[i]) == NULL) {
ck_error("ERROR [%u]: get must not fail after put\n", is);
}
}
/* Test grow semantics. */
ck_rhs_grow(&hs[j], 128);
for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
h = test[i][0];
if (ck_rhs_put(&hs[j], h, test[i]) == true) {
ck_error("ERROR [%u] [2]: put must fail on collision.\n", is);
}
if (ck_rhs_get(&hs[j], h, test[i]) == NULL) {
ck_error("ERROR [%u]: get must not fail\n", is);
}
}
h = blob[0];
if (ck_rhs_get(&hs[j], h, blob) == NULL) {
if (j > 0)
ck_error("ERROR [%u]: Blob must always exist after first.\n", is);
if (ck_rhs_put(&hs[j], h, blob) == false) {
ck_error("ERROR [%u]: A unique blob put failed.\n", is);
}
} else {
if (ck_rhs_put(&hs[j], h, blob) == true) {
ck_error("ERROR [%u]: Duplicate blob put succeeded.\n", is);
}
}
/* Grow set and check get semantics. */
ck_rhs_grow(&hs[j], 512);
for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
h = test[i][0];
if (ck_rhs_get(&hs[j], h, test[i]) == NULL) {
ck_error("ERROR [%u]: get must not fail\n", is);
}
}
/* Delete and check negative membership. */
for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
void *r;
h = test[i][0];
if (ck_rhs_get(&hs[j], h, test[i]) == NULL)
continue;
if (r = ck_rhs_remove(&hs[j], h, test[i]), r == NULL) {
ck_error("ERROR [%u]: remove must not fail\n", is);
}
if (strcmp(r, test[i]) != 0) {
ck_error("ERROR [%u]: Removed incorrect node (%s != %s)\n", (char *)r, test[i], is);
}
}
/* Test replacement semantics. */
for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
void *r;
bool d;
h = test[i][0];
d = ck_rhs_get(&hs[j], h, test[i]) != NULL;
if (ck_rhs_set(&hs[j], h, test[i], &r) == false) {
ck_error("ERROR [%u]: Failed to set\n", is);
}
/* Expected replacement. */
if (d == true && (r == NULL || strcmp(r, test[i]) != 0)) {
ck_error("ERROR [%u]: Incorrect previous value: %s != %s\n",
is, test[i], (char *)r);
}
/* Replacement should succeed. */
if (ck_rhs_fas(&hs[j], h, test[i], &r) == false)
ck_error("ERROR [%u]: ck_rhs_fas must succeed.\n", is);
if (strcmp(r, test[i]) != 0) {
ck_error("ERROR [%u]: Incorrect replaced value: %s != %s\n",
is, test[i], (char *)r);
}
if (ck_rhs_fas(&hs[j], h, negative, &r) == true)
ck_error("ERROR [%u]: Replacement of negative should fail.\n", is);
if (ck_rhs_set(&hs[j], h, test[i], &r) == false) {
ck_error("ERROR [%u]: Failed to set [1]\n", is);
}
if (strcmp(r, test[i]) != 0) {
ck_error("ERROR [%u]: Invalid &hs[j]: %s != %s\n", (char *)r, test[i], is);
}
}
if (j == size - 1)
break;
if (ck_rhs_move(&hs[j + 1], &hs[j], hs_hash, hs_compare, &my_allocator) == false)
ck_error("Failed to move hash table");
ck_rhs_gc(&hs[j + 1]);
if (ck_rhs_rebuild(&hs[j + 1]) == false)
ck_error("Failed to rebuild");
}
return;
}
int
main(void)
{
unsigned int k;
for (k = 16; k <= 64; k <<= 1) {
run_test(k, 0);
break;
}
return 0;
}

@ -16,6 +16,7 @@ OBJECTS=ck_barrier_centralized.o \
ck_ht.o \
ck_hp.o \
ck_hs.o \
ck_rhs.o \
ck_array.o
all: libck.so libck.a

File diff suppressed because it is too large Load Diff
Loading…
Cancel
Save