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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 {
int inci = 0;
const gc_ptr<int> tlsic() {
const gc_ptr<int> i = new (gc_new<int>()) int();
*i = 0;
return i;
}
const perthread_ptr<int> tlsi(tlsic);
#ifdef WANT_THREADS
int addi = 0;
int muxi = 0;
#endif
const bool testAtomicPerf() {
const int count = 100000;
{
const blambda l = []() -> const bool {
inci = inci + 1;
return true;
};
cout << "Non-atomic inc test " << time(l, 1000, count) << " ms" << endl;
assert(inci == count + 1000);
}
#ifdef WANT_THREADS
{
const blambda l = []() -> const bool {
__sync_add_and_fetch(&addi, 1);
return true;
};
cout << "Atomic inc test " << time(l, 1000, count) << " ms" << endl;
assert(addi == count + 1000);
}
{
pthread_mutex_t mutex;
pthread_mutex_init(&mutex, NULL);
const blambda l = [&mutex]() -> const bool {
pthread_mutex_lock(&mutex);
muxi = muxi + 1;
pthread_mutex_unlock(&mutex);
return true;
};
cout << "Locked inc test " << time(l, 1000, count) << " ms" << endl;
assert(muxi == count + 1000);
pthread_mutex_destroy(&mutex);
}
#endif
{
const blambda l = []() -> const bool {
*tlsi = *tlsi + 1;
return true;
};
cout << "Thread local inc test " << time(l, 1000, count) << " ms" << endl;
assert(*tlsi == count + 1000);
}
return true;
}
#ifdef WANT_THREADS
const int mtsquare(const int x) {
for(int i = 0; i < 10000000; i++)
;
return x * x;
}
const list<future<int> > submitSquares(worker& w, const int max, const int i) {
if (i == max)
return list<future<int> >();
const lambda<const int()> func = curry(lambda<const int(const int)> (mtsquare), i);
return cons(submit(w, func), submitSquares(w, max, i + 1));
}
bool checkSquareResults(const list<future<int> > r, int i) {
if (isNil(r))
return true;
assert(car(r) == i * i);
checkSquareResults(cdr(r), i + 1);
return true;
}
const gc_ptr<unsigned long> tlsvc() {
const gc_ptr<unsigned long> i = new (gc_new<unsigned long>()) unsigned long();
*i = 0l;
return i;
}
const perthread_ptr<unsigned long> tlsv(tlsvc);
const long int tlsset(gc_ptr<wqueue<bool>> wq, gc_ptr<wqueue<bool>> xq) {
const unsigned long v = *tlsv;
*tlsv = threadId();
enqueue(*xq, true);
dequeue(*wq);
return v;
}
const bool tlscheck(gc_ptr<wqueue<bool>> wq, gc_ptr<wqueue<bool>> xq) {
const bool r = *tlsv == threadId();
enqueue(*xq, true);
dequeue(*wq);
return r;
}
const bool waitForWorkers(wqueue<bool>& xq, const int n) {
if (n == 0)
return true;
dequeue(xq);
return waitForWorkers(xq, n - 1);
}
const bool unblockWorkers(wqueue<bool>& wq, const int n) {
if (n == 0)
return true;
enqueue(wq, true);
return unblockWorkers(wq, n - 1);
}
const list<future<long int> > submitTLSSets(worker& w, wqueue<bool>& wq, wqueue<bool>& xq, const int max, const int i) {
if (i == max)
return list<future<long int> >();
const lambda<const long int()> func = curry(lambda<const long int(gc_ptr<wqueue<bool>>, gc_ptr<wqueue<bool>>)>(tlsset), (gc_ptr<wqueue<bool>>)&wq, (gc_ptr<wqueue<bool>>)&xq);
return cons(submit(w, func), submitTLSSets(w, wq, xq, max, i + 1));
}
const bool checkTLSSets(const list<future<long int> > s) {
if (isNil(s))
return true;
assert(car(s) == 0);
return checkTLSSets(cdr(s));
}
const list<future<bool> > submitTLSChecks(worker& w, wqueue<bool>& wq, wqueue<bool>& xq, const int max, const int i) {
if (i == max)
return list<future<bool> >();
const blambda func = curry(lambda<const bool(gc_ptr<wqueue<bool>>, gc_ptr<wqueue<bool>>)>(tlscheck), (gc_ptr<wqueue<bool>>)&wq, (gc_ptr<wqueue<bool>>)&xq);
return cons(submit(w, func), submitTLSChecks(w, wq, xq, max, i + 1));
}
const bool checkTLSResults(const list<future<bool> > r) {
if (isNil(r))
return true;
assert(car(r) == true);
return checkTLSResults(cdr(r));
}
const bool testWorker() {
const int max = 100;
worker w(max);
{
const lambda<const int()> func = curry(lambda<const int(const int)> (mtsquare), 2);
assert(submit(w, func) == 4);
}
{
const list<future<int> > r(submitSquares(w, max, 0));
checkSquareResults(r, 0);
}
{
wqueue<bool> wq(max);
unblockWorkers(wq, max);
waitForWorkers(wq, max);
unblockWorkers(wq, max);
waitForWorkers(wq, max);
}
{
wqueue<bool> wq(max);
wqueue<bool> xq(max);
const list<future<long int> > s(submitTLSSets(w, wq, xq, max, 0));
waitForWorkers(xq, max);
unblockWorkers(wq, max);
checkTLSSets(s);
const list<future<bool> > r(submitTLSChecks(w, wq, xq, max, 0));
waitForWorkers(xq, max);
unblockWorkers(wq, max);
checkTLSResults(r);
}
shutdown(w);
return true;
}
#endif
}
int main() {
const tuscany::gc_scoped_pool p;
tuscany::cout << "Testing..." << tuscany::endl;
tuscany::testAtomicPerf();
#ifdef WANT_THREADS
tuscany::testWorker();
#else
tuscany::cout << "Skipped multi-thread tests" << tuscany::endl;
#endif
tuscany::cout << "OK" << tuscany::endl;
return 0;
}
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