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