diff options
Diffstat (limited to 'regressions/ck_sequence/benchmark/ck_sequence.c')
| -rw-r--r-- | regressions/ck_sequence/benchmark/ck_sequence.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/regressions/ck_sequence/benchmark/ck_sequence.c b/regressions/ck_sequence/benchmark/ck_sequence.c deleted file mode 100644 index f720c31d8b1f..000000000000 --- a/regressions/ck_sequence/benchmark/ck_sequence.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Copyright 2013-2015 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_cc.h> -#include <ck_sequence.h> -#include <errno.h> -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <inttypes.h> - -#include "../../common.h" - -#ifndef STEPS -#define STEPS (65536 * 64) -#endif - -static ck_sequence_t seqlock CK_CC_CACHELINE = CK_SEQUENCE_INITIALIZER; - -int -main(void) -{ - unsigned int i = 0; - unsigned int version; - uint64_t a, s; - - /* Read-side latency. */ - a = 0; - for (i = 0; i < STEPS / 4; i++) { - s = rdtsc(); - ck_sequence_read_retry(&seqlock, ck_sequence_read_begin(&seqlock)); - ck_sequence_read_retry(&seqlock, ck_sequence_read_begin(&seqlock)); - ck_sequence_read_retry(&seqlock, ck_sequence_read_begin(&seqlock)); - ck_sequence_read_retry(&seqlock, ck_sequence_read_begin(&seqlock)); - a += rdtsc() - s; - } - printf("read: %" PRIu64 "\n", a / STEPS); - - a = 0; - for (i = 0; i < STEPS / 4; i++) { - s = rdtsc(); - CK_SEQUENCE_READ(&seqlock, &version); - CK_SEQUENCE_READ(&seqlock, &version); - CK_SEQUENCE_READ(&seqlock, &version); - CK_SEQUENCE_READ(&seqlock, &version); - a += rdtsc() - s; - } - printf("READ %" PRIu64 "\n", a / STEPS); - - /* Write-side latency. */ - a = 0; - for (i = 0; i < STEPS / 4; i++) { - s = rdtsc(); - ck_sequence_write_begin(&seqlock); - ck_sequence_write_end(&seqlock); - ck_sequence_write_begin(&seqlock); - ck_sequence_write_end(&seqlock); - ck_sequence_write_begin(&seqlock); - ck_sequence_write_end(&seqlock); - ck_sequence_write_begin(&seqlock); - ck_sequence_write_end(&seqlock); - a += rdtsc() - s; - } - printf("write: %" PRIu64 "\n", a / STEPS); - - return 0; -} - |