92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2020 Facebook */
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#include "bench.h"
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/* COUNT-GLOBAL benchmark */
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static struct count_global_ctx {
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struct counter hits;
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} count_global_ctx;
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static void *count_global_producer(void *input)
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{
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struct count_global_ctx *ctx = &count_global_ctx;
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while (true) {
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atomic_inc(&ctx->hits.value);
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}
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return NULL;
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}
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static void *count_global_consumer(void *input)
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{
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return NULL;
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}
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static void count_global_measure(struct bench_res *res)
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{
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struct count_global_ctx *ctx = &count_global_ctx;
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res->hits = atomic_swap(&ctx->hits.value, 0);
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}
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/* COUNT-local benchmark */
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static struct count_local_ctx {
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struct counter *hits;
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} count_local_ctx;
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static void count_local_setup()
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{
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struct count_local_ctx *ctx = &count_local_ctx;
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ctx->hits = calloc(env.consumer_cnt, sizeof(*ctx->hits));
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if (!ctx->hits)
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exit(1);
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}
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static void *count_local_producer(void *input)
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{
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struct count_local_ctx *ctx = &count_local_ctx;
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int idx = (long)input;
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while (true) {
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atomic_inc(&ctx->hits[idx].value);
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}
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return NULL;
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}
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static void *count_local_consumer(void *input)
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{
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return NULL;
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}
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static void count_local_measure(struct bench_res *res)
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{
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struct count_local_ctx *ctx = &count_local_ctx;
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int i;
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for (i = 0; i < env.producer_cnt; i++) {
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res->hits += atomic_swap(&ctx->hits[i].value, 0);
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}
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}
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const struct bench bench_count_global = {
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.name = "count-global",
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.producer_thread = count_global_producer,
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.consumer_thread = count_global_consumer,
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.measure = count_global_measure,
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.report_progress = hits_drops_report_progress,
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.report_final = hits_drops_report_final,
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};
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const struct bench bench_count_local = {
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.name = "count-local",
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.setup = count_local_setup,
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.producer_thread = count_local_producer,
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.consumer_thread = count_local_consumer,
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.measure = count_local_measure,
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.report_progress = hits_drops_report_progress,
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.report_final = hits_drops_report_final,
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};
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