Adding upstream version 0.6.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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465 changed files with 60158 additions and 0 deletions
269
regressions/ck_stack/validate/pop.c
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269
regressions/ck_stack/validate/pop.c
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/*
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* Copyright 2009-2015 Samy Al Bahra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <assert.h>
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#include <ck_cc.h>
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#include <ck_pr.h>
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#ifdef SPINLOCK
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#include <ck_spinlock.h>
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#endif
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#include <ck_stack.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <pthread.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include "../../common.h"
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#ifndef ITEMS
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#define ITEMS (5765760 * 2)
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#endif
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#define TVTOD(tv) ((tv).tv_sec+((tv).tv_usec / (double)1000000))
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struct entry {
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int value;
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#ifdef SPINLOCK
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struct entry *next;
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#else
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ck_stack_entry_t next;
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#endif
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};
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#ifdef SPINLOCK
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static struct entry *stack CK_CC_CACHELINE;
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ck_spinlock_fas_t stack_spinlock = CK_SPINLOCK_FAS_INITIALIZER;
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#define UNLOCK ck_spinlock_fas_unlock
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#if defined(EB)
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#define LOCK ck_spinlock_fas_lock_eb
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#else
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#define LOCK ck_spinlock_fas_lock
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#endif
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#else
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static ck_stack_t stack CK_CC_CACHELINE;
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CK_STACK_CONTAINER(struct entry, next, getvalue)
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#endif
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static struct affinity affinerator = AFFINITY_INITIALIZER;
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static unsigned long long nthr;
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static volatile unsigned int barrier = 0;
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static unsigned int critical;
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static void *
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stack_thread(void *unused CK_CC_UNUSED)
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{
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#if (defined(MPMC) && defined(CK_F_STACK_POP_MPMC)) || (defined(UPMC) && defined(CK_F_STACK_POP_UPMC)) || (defined(TRYMPMC) && defined(CK_F_STACK_TRYPOP_MPMC)) || (defined(TRYUPMC) && defined(CK_F_STACK_TRYPOP_UPMC))
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ck_stack_entry_t *ref;
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#endif
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struct entry *entry = NULL;
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unsigned long long i, n = ITEMS / nthr;
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unsigned int seed;
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int j, previous = INT_MAX;
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if (aff_iterate(&affinerator)) {
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perror("ERROR: failed to affine thread");
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exit(EXIT_FAILURE);
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}
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while (barrier == 0);
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for (i = 0; i < n; i++) {
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#ifdef MPMC
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#ifdef CK_F_STACK_POP_MPMC
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ref = ck_stack_pop_mpmc(&stack);
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assert(ref);
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entry = getvalue(ref);
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#endif /* CK_F_STACK_POP_MPMC */
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#elif defined(TRYMPMC)
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#ifdef CK_F_STACK_TRYPOP_MPMC
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while (ck_stack_trypop_mpmc(&stack, &ref) == false)
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ck_pr_stall();
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assert(ref);
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entry = getvalue(ref);
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#endif /* CK_F_STACK_TRYPOP_MPMC */
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#elif defined(UPMC)
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ref = ck_stack_pop_upmc(&stack);
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assert(ref);
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entry = getvalue(ref);
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#elif defined(TRYUPMC)
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while (ck_stack_trypop_upmc(&stack, &ref) == false)
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ck_pr_stall();
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assert(ref);
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entry = getvalue(ref);
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#elif defined(SPINLOCK)
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LOCK(&stack_spinlock);
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entry = stack;
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stack = stack->next;
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UNLOCK(&stack_spinlock);
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#else
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# error Undefined operation.
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#endif
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if (critical) {
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j = common_rand_r(&seed) % critical;
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while (j--)
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__asm__ __volatile__("" ::: "memory");
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}
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assert (previous >= entry->value);
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previous = entry->value;
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}
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return (NULL);
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}
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static void
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stack_assert(void)
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{
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#ifdef SPINLOCK
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assert(stack == NULL);
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#else
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assert(CK_STACK_ISEMPTY(&stack));
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#endif
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return;
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}
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static void
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push_stack(struct entry *bucket)
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{
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unsigned long long i;
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#ifdef SPINLOCK
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stack = NULL;
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#else
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ck_stack_init(&stack);
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#endif
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for (i = 0; i < ITEMS; i++) {
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bucket[i].value = i % INT_MAX;
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#ifdef SPINLOCK
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bucket[i].next = stack;
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stack = bucket + i;
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#else
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ck_stack_push_spnc(&stack, &bucket[i].next);
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#endif
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}
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#ifndef SPINLOCK
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ck_stack_entry_t *entry;
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i = 0;
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CK_STACK_FOREACH(&stack, entry) {
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i++;
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}
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assert(i == ITEMS);
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#endif
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return;
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}
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int
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main(int argc, char *argv[])
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{
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struct entry *bucket;
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unsigned long long i, d;
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pthread_t *thread;
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struct timeval stv, etv;
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#if (defined(TRYMPMC) || defined(MPMC)) && (!defined(CK_F_STACK_PUSH_MPMC) || !defined(CK_F_STACK_POP_MPMC))
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fprintf(stderr, "Unsupported.\n");
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return 0;
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#endif
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if (argc != 4) {
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ck_error("Usage: stack <threads> <delta> <critical>\n");
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}
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{
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char *e;
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nthr = strtol(argv[1], &e, 10);
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if (errno == ERANGE) {
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perror("ERROR: too many threads");
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exit(EXIT_FAILURE);
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} else if (*e != '\0') {
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ck_error("ERROR: input format is incorrect\n");
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}
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d = strtol(argv[2], &e, 10);
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if (errno == ERANGE) {
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perror("ERROR: delta is too large");
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exit(EXIT_FAILURE);
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} else if (*e != '\0') {
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ck_error("ERROR: input format is incorrect\n");
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}
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critical = strtoul(argv[3], &e, 10);
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if (errno == ERANGE) {
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perror("ERROR: critical section is too large");
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exit(EXIT_FAILURE);
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} else if (*e != '\0') {
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ck_error("ERROR: input format is incorrect\n");
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}
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}
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srand(getpid());
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affinerator.delta = d;
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bucket = malloc(sizeof(struct entry) * ITEMS);
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assert(bucket != NULL);
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thread = malloc(sizeof(pthread_t) * nthr);
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assert(thread != NULL);
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push_stack(bucket);
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for (i = 0; i < nthr; i++)
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pthread_create(&thread[i], NULL, stack_thread, NULL);
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barrier = 1;
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for (i = 0; i < nthr; i++)
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pthread_join(thread[i], NULL);
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barrier = 0;
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push_stack(bucket);
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for (i = 0; i < nthr; i++)
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pthread_create(&thread[i], NULL, stack_thread, NULL);
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common_gettimeofday(&stv, NULL);
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barrier = 1;
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for (i = 0; i < nthr; i++)
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pthread_join(thread[i], NULL);
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common_gettimeofday(&etv, NULL);
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stack_assert();
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#ifdef _WIN32
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printf("%3llu %.6f\n", nthr, TVTOD(etv) - TVTOD(stv));
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#else
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printf("%3llu %.6lf\n", nthr, TVTOD(etv) - TVTOD(stv));
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#endif
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return 0;
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}
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