| /* |
| * Copyright 2011-2015 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_fifo.h> |
| #include <ck_spinlock.h> |
| #include <inttypes.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| |
| #include "../../common.h" |
| |
| #ifndef ENTRIES |
| #define ENTRIES 4096 |
| #endif |
| |
| #ifndef STEPS |
| #define STEPS 40000 |
| #endif |
| |
| int |
| main(void) |
| { |
| ck_spinlock_fas_t mutex = CK_SPINLOCK_FAS_INITIALIZER; |
| void *r; |
| uint64_t s, e, a; |
| unsigned int i; |
| unsigned int j; |
| |
| #if defined(CK_F_FIFO_SPSC) |
| ck_fifo_spsc_t spsc_fifo; |
| ck_fifo_spsc_entry_t spsc_entry[ENTRIES]; |
| ck_fifo_spsc_entry_t spsc_stub; |
| #endif |
| |
| #if defined(CK_F_FIFO_MPMC) |
| ck_fifo_mpmc_t mpmc_fifo; |
| ck_fifo_mpmc_entry_t mpmc_entry[ENTRIES]; |
| ck_fifo_mpmc_entry_t mpmc_stub; |
| ck_fifo_mpmc_entry_t *garbage; |
| #endif |
| |
| #ifdef CK_F_FIFO_SPSC |
| a = 0; |
| for (i = 0; i < STEPS; i++) { |
| ck_fifo_spsc_init(&spsc_fifo, &spsc_stub); |
| |
| s = rdtsc(); |
| for (j = 0; j < ENTRIES; j++) { |
| ck_spinlock_fas_lock(&mutex); |
| ck_fifo_spsc_enqueue(&spsc_fifo, spsc_entry + j, NULL); |
| ck_spinlock_fas_unlock(&mutex); |
| } |
| e = rdtsc(); |
| |
| a += e - s; |
| } |
| printf(" spinlock_enqueue: %16" PRIu64 "\n", a / STEPS / (sizeof(spsc_entry) / sizeof(*spsc_entry))); |
| |
| a = 0; |
| for (i = 0; i < STEPS; i++) { |
| ck_fifo_spsc_init(&spsc_fifo, &spsc_stub); |
| for (j = 0; j < ENTRIES; j++) |
| ck_fifo_spsc_enqueue(&spsc_fifo, spsc_entry + j, NULL); |
| |
| s = rdtsc(); |
| for (j = 0; j < ENTRIES; j++) { |
| ck_spinlock_fas_lock(&mutex); |
| ck_fifo_spsc_dequeue(&spsc_fifo, &r); |
| ck_spinlock_fas_unlock(&mutex); |
| } |
| e = rdtsc(); |
| a += e - s; |
| } |
| printf(" spinlock_dequeue: %16" PRIu64 "\n", a / STEPS / (sizeof(spsc_entry) / sizeof(*spsc_entry))); |
| |
| a = 0; |
| for (i = 0; i < STEPS; i++) { |
| ck_fifo_spsc_init(&spsc_fifo, &spsc_stub); |
| |
| s = rdtsc(); |
| for (j = 0; j < ENTRIES; j++) |
| ck_fifo_spsc_enqueue(&spsc_fifo, spsc_entry + j, NULL); |
| e = rdtsc(); |
| |
| a += e - s; |
| } |
| printf("ck_fifo_spsc_enqueue: %16" PRIu64 "\n", a / STEPS / (sizeof(spsc_entry) / sizeof(*spsc_entry))); |
| |
| a = 0; |
| for (i = 0; i < STEPS; i++) { |
| ck_fifo_spsc_init(&spsc_fifo, &spsc_stub); |
| for (j = 0; j < ENTRIES; j++) |
| ck_fifo_spsc_enqueue(&spsc_fifo, spsc_entry + j, NULL); |
| |
| s = rdtsc(); |
| for (j = 0; j < ENTRIES; j++) |
| ck_fifo_spsc_dequeue(&spsc_fifo, &r); |
| e = rdtsc(); |
| a += e - s; |
| } |
| printf("ck_fifo_spsc_dequeue: %16" PRIu64 "\n", a / STEPS / (sizeof(spsc_entry) / sizeof(*spsc_entry))); |
| #endif |
| |
| #ifdef CK_F_FIFO_MPMC |
| a = 0; |
| for (i = 0; i < STEPS; i++) { |
| ck_fifo_mpmc_init(&mpmc_fifo, &mpmc_stub); |
| |
| s = rdtsc(); |
| for (j = 0; j < ENTRIES; j++) |
| ck_fifo_mpmc_enqueue(&mpmc_fifo, mpmc_entry + j, NULL); |
| e = rdtsc(); |
| |
| a += e - s; |
| } |
| printf("ck_fifo_mpmc_enqueue: %16" PRIu64 "\n", a / STEPS / (sizeof(mpmc_entry) / sizeof(*mpmc_entry))); |
| |
| a = 0; |
| for (i = 0; i < STEPS; i++) { |
| ck_fifo_mpmc_init(&mpmc_fifo, &mpmc_stub); |
| for (j = 0; j < ENTRIES; j++) |
| ck_fifo_mpmc_enqueue(&mpmc_fifo, mpmc_entry + j, NULL); |
| |
| s = rdtsc(); |
| for (j = 0; j < ENTRIES; j++) |
| ck_fifo_mpmc_dequeue(&mpmc_fifo, &r, &garbage); |
| e = rdtsc(); |
| a += e - s; |
| } |
| printf("ck_fifo_mpmc_dequeue: %16" PRIu64 "\n", a / STEPS / (sizeof(mpmc_entry) / sizeof(*mpmc_entry))); |
| #endif |
| |
| return 0; |
| } |