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177 lines
4.4 KiB
177 lines
4.4 KiB
/*
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* Copyright 2011-2013 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 <ck_stack.h>
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#include <ck_spinlock.h>
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#include <inttypes.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "../../common.h"
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#ifndef ENTRIES
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#define ENTRIES 4096
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#endif
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#ifndef STEPS
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#define STEPS 40000
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#endif
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/*
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* Note the redundant post-increment of r. This is to silence
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* some irrelevant GCC warnings.
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*/
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static ck_stack_t stack CK_CC_CACHELINE;
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int
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main(void)
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{
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ck_stack_entry_t entry[ENTRIES];
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ck_spinlock_fas_t mutex = CK_SPINLOCK_FAS_INITIALIZER;
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volatile ck_stack_entry_t * volatile r;
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uint64_t s, e, a;
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unsigned int i;
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unsigned int j;
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a = 0;
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for (i = 0; i < STEPS; i++) {
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ck_stack_init(&stack);
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s = rdtsc();
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for (j = 0; j < ENTRIES; j++) {
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ck_spinlock_fas_lock(&mutex);
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ck_stack_push_spnc(&stack, entry + j);
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ck_spinlock_fas_unlock(&mutex);
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}
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e = rdtsc();
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a += e - s;
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}
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printf(" spinlock_push: %16" PRIu64 "\n", a / STEPS / ENTRIES);
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a = 0;
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for (i = 0; i < STEPS; i++) {
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ck_stack_init(&stack);
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for (j = 0; j < ENTRIES; j++)
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ck_stack_push_spnc(&stack, entry + j);
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s = rdtsc();
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for (j = 0; j < ENTRIES; j++) {
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ck_spinlock_fas_lock(&mutex);
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r = ck_stack_pop_npsc(&stack);
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ck_spinlock_fas_unlock(&mutex);
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}
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e = rdtsc();
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a += e - s;
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}
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printf(" spinlock_pop: %16" PRIu64 "\n", a / STEPS / ENTRIES);
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r++;
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#ifdef CK_F_STACK_PUSH_UPMC
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a = 0;
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for (i = 0; i < STEPS; i++) {
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ck_stack_init(&stack);
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s = rdtsc();
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for (j = 0; j < ENTRIES; j++)
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ck_stack_push_upmc(&stack, entry + j);
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e = rdtsc();
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a += e - s;
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}
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printf("ck_stack_push_upmc: %16" PRIu64 "\n", a / STEPS / ENTRIES);
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#endif /* CK_F_STACK_PUSH_UPMC */
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#ifdef CK_F_STACK_PUSH_MPMC
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a = 0;
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for (i = 0; i < STEPS; i++) {
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ck_stack_init(&stack);
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s = rdtsc();
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for (j = 0; j < ENTRIES; j++)
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ck_stack_push_mpmc(&stack, entry + j);
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e = rdtsc();
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a += e - s;
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}
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printf("ck_stack_push_mpmc: %16" PRIu64 "\n", a / STEPS / ENTRIES);
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#endif /* CK_F_STACK_PUSH_MPMC */
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#ifdef CK_F_STACK_PUSH_MPNC
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a = 0;
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for (i = 0; i < STEPS; i++) {
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ck_stack_init(&stack);
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s = rdtsc();
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for (j = 0; j < ENTRIES; j++)
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ck_stack_push_mpnc(&stack, entry + j);
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e = rdtsc();
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a += e - s;
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}
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printf("ck_stack_push_mpnc: %16" PRIu64 "\n", a / STEPS / ENTRIES);
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#endif /* CK_F_STACK_PUSH_MPNC */
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#if defined(CK_F_STACK_PUSH_UPMC) && defined(CK_F_STACK_POP_UPMC)
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a = 0;
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for (i = 0; i < STEPS; i++) {
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ck_stack_init(&stack);
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for (j = 0; j < ENTRIES; j++)
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ck_stack_push_upmc(&stack, entry + j);
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s = rdtsc();
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for (j = 0; j < ENTRIES; j++)
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r = ck_stack_pop_upmc(&stack);
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e = rdtsc();
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a += e - s;
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}
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printf(" ck_stack_pop_upmc: %16" PRIu64 "\n", a / STEPS / (sizeof(entry) / sizeof(*entry)));
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#endif /* CK_F_STACK_PUSH_UPMC && CK_F_STACK_POP_UPMC */
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#if defined(CK_F_STACK_POP_MPMC) && defined(CK_F_STACK_PUSH_MPMC)
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a = 0;
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for (i = 0; i < STEPS; i++) {
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ck_stack_init(&stack);
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for (j = 0; j < ENTRIES; j++)
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ck_stack_push_mpmc(&stack, entry + j);
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s = rdtsc();
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for (j = 0; j < ENTRIES; j++)
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r = ck_stack_pop_mpmc(&stack);
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e = rdtsc();
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a += e - s;
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}
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printf(" ck_stack_pop_mpmc: %16" PRIu64 "\n", a / STEPS / (sizeof(entry) / sizeof(*entry)));
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r++;
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#endif
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return 0;
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}
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