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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/* $Rev$ $Date$ */
/**
* Test parallel functions.
*/
#include <assert.h>
#include "stream.hpp"
#include "string.hpp"
#include "function.hpp"
#include "list.hpp"
#include "perf.hpp"
#include "parallel.hpp"
namespace tuscany {
#ifdef WANT_THREADS
int inci = 0;
struct incPerf {
incPerf() {
}
const bool operator()() const {
inci = inci + 1;
return true;
}
};
int addi = 0;
struct addAndFetchPerf {
addAndFetchPerf() {
}
const bool operator()() const {
__sync_add_and_fetch(&addi, 1);
return true;
}
};
int muxi = 0;
struct mutexPerf {
pthread_mutex_t* mutex;
mutexPerf(pthread_mutex_t* mutex) : mutex(mutex) {
}
const bool operator()() const {
pthread_mutex_lock(mutex);
muxi = muxi + 1;
pthread_mutex_unlock(mutex);
return true;
}
};
__thread int tlsi = 0;
struct tlsPerf {
tlsPerf() {
}
const bool operator()() const {
tlsi = tlsi + 1;
return true;
}
};
bool testAtomicPerf() {
const int count = 100000;
{
const lambda<bool()> l = incPerf();
cout << "Non-atomic inc test " << time(l, 1000, count) << " ms" << endl;
assert(inci == count + 1000);
}
{
const lambda<bool()> l = addAndFetchPerf();
cout << "Atomic inc test " << time(l, 1000, count) << " ms" << endl;
assert(addi == count + 1000);
}
{
pthread_mutex_t mutex;
pthread_mutex_init(&mutex, NULL);
const lambda<bool()> l = mutexPerf(&mutex);
cout << "Locked inc test " << time(l, 1000, count) << " ms" << endl;
assert(muxi == count + 1000);
pthread_mutex_destroy(&mutex);
}
{
const lambda<bool()> l = tlsPerf();
cout << "Thread local inc test " << time(l, 1000, count) << " ms" << endl;
assert(tlsi == count + 1000);
}
return true;
}
const int mtsquare(const int x) {
for(int i = 0; i < 10000000; i++)
;
return x * x;
}
bool checkResults(const list<future<int> > r, int i) {
if (isNil(r))
return true;
assert(car(r) == i * i);
checkResults(cdr(r), i + 1);
return true;
}
const list<future<int> > submitSquares(worker& w, const int max, const int i) {
if (i == max)
return list<future<int> >();
const lambda<int()> func = curry(lambda<int(const int)> (mtsquare), i);
return cons(submit(w, func), submitSquares(w, max, i + 1));
}
bool testWorker() {
worker w(20);
{
const lambda<int()> func = curry(lambda<int(const int)> (mtsquare), 2);
assert(submit(w, func) == 4);
}
{
const int max = 20;
const list<future<int> > r(submitSquares(w, max, 0));
checkResults(r, 0);
}
shutdown(w);
return true;
}
#endif
}
int main() {
tuscany::cout << "Testing..." << tuscany::endl;
#ifdef WANT_THREADS
tuscany::testAtomicPerf();
tuscany::testWorker();
#else
tuscany::cout << "Skipped multi-thread tests" << tuscany::endl;
#endif
tuscany::cout << "OK" << tuscany::endl;
return 0;
}
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