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Diffstat (limited to '3rdparty/libuv/test/benchmark-async-pummel.c')
-rw-r--r--3rdparty/libuv/test/benchmark-async-pummel.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/3rdparty/libuv/test/benchmark-async-pummel.c b/3rdparty/libuv/test/benchmark-async-pummel.c
deleted file mode 100644
index cca3de1062b..00000000000
--- a/3rdparty/libuv/test/benchmark-async-pummel.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#include "task.h"
-#include "uv.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#define NUM_PINGS (1000 * 1000)
-#define ACCESS_ONCE(type, var) (*(volatile type*) &(var))
-
-static unsigned int callbacks;
-static volatile int done;
-
-static const char running[] = "running";
-static const char stop[] = "stop";
-static const char stopped[] = "stopped";
-
-
-static void async_cb(uv_async_t* handle) {
- if (++callbacks == NUM_PINGS) {
- /* Tell the pummel thread to stop. */
- ACCESS_ONCE(const char*, handle->data) = stop;
-
- /* Wait for for the pummel thread to acknowledge that it has stoppped. */
- while (ACCESS_ONCE(const char*, handle->data) != stopped)
- uv_sleep(0);
-
- uv_close((uv_handle_t*) handle, NULL);
- }
-}
-
-
-static void pummel(void* arg) {
- uv_async_t* handle = (uv_async_t*) arg;
-
- while (ACCESS_ONCE(const char*, handle->data) == running)
- uv_async_send(handle);
-
- /* Acknowledge that we've seen handle->data change. */
- ACCESS_ONCE(const char*, handle->data) = stopped;
-}
-
-
-static int test_async_pummel(int nthreads) {
- uv_thread_t* tids;
- uv_async_t handle;
- uint64_t time;
- int i;
-
- tids = calloc(nthreads, sizeof(tids[0]));
- ASSERT(tids != NULL);
-
- ASSERT(0 == uv_async_init(uv_default_loop(), &handle, async_cb));
- ACCESS_ONCE(const char*, handle.data) = running;
-
- for (i = 0; i < nthreads; i++)
- ASSERT(0 == uv_thread_create(tids + i, pummel, &handle));
-
- time = uv_hrtime();
-
- ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
-
- time = uv_hrtime() - time;
- done = 1;
-
- for (i = 0; i < nthreads; i++)
- ASSERT(0 == uv_thread_join(tids + i));
-
- printf("async_pummel_%d: %s callbacks in %.2f seconds (%s/sec)\n",
- nthreads,
- fmt(callbacks),
- time / 1e9,
- fmt(callbacks / (time / 1e9)));
-
- free(tids);
-
- MAKE_VALGRIND_HAPPY();
- return 0;
-}
-
-
-BENCHMARK_IMPL(async_pummel_1) {
- return test_async_pummel(1);
-}
-
-
-BENCHMARK_IMPL(async_pummel_2) {
- return test_async_pummel(2);
-}
-
-
-BENCHMARK_IMPL(async_pummel_4) {
- return test_async_pummel(4);
-}
-
-
-BENCHMARK_IMPL(async_pummel_8) {
- return test_async_pummel(8);
-}