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test_combine14.cpp
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test_combine14.cpp
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/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* ***************************************************************************
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* As a special exception, you may use this file as part of a free software
* library without restriction. Specifically, if other files instantiate
* templates or use macros or inline functions from this file, or you compile
* this file and link it with other files to produce an executable, this
* file does not by itself cause the resulting executable to be covered by
* the GNU General Public License. This exception does not however
* invalidate any other reasons why the executable file might be covered by
* the GNU General Public License.
*
****************************************************************************
*/
/* Author: Massimo Torquati
*
*/
/* A2A( pipe(farm), A2A(comb(miHelper,Collector), Sink) )
*
* |<------------------------------------ A2A ---------------------------------------->|
* |<--------------- pipe ----------------->|
* |<--------------- a2a ------------------>| |<-------------- A2A ----------------->|
* |<----- pipe ----->| |<-------- comb ------>|
*
* | --> Worker--> Worker -->
* Generator-->| | -->|
* | --> Worker--> Worker --> | --> miHelper-->Collector --> |
* | |
* | | --> Sink
* | --> Worker--> Worker --> | --> miHelper-->Collector --> |
* Generator-->| | -->|
* | --> Worker--> Worker -->
*
*
*/
#include <ff/ff.hpp>
using namespace ff;
const long WORKTIME_TICKS=25000;
struct Generator: ff_node_t<long> {
Generator(long ntasks):ntasks(ntasks) {}
long *svc(long *) {
for(long i=1;i<=ntasks;++i)
ff_send_out((long*)i);
return EOS;
}
long ntasks;
};
struct miHelper: ff_minode_t<long> {
long *svc(long*in) { return in;};
};
struct moHelper: ff_monode_t<long> {
long *svc(long*in) { return in;};
};
struct Worker: ff_node_t<long> { // NOTE: it must be a multi-output node
long* svc(long*in) {
printf("Worker received %ld\n", (long)in);
return in;
}
};
struct Collector: ff_monode_t<long> {
Collector(int myid):myid(myid) {}
long *svc(long *in) {
printf("Collector%ld (myid=%d) received %ld from %ld\n", get_my_id(), myid, (long)in, get_channel_id());
return in;
}
void eosnotify(ssize_t) {
printf("Collector (myid=%d) received EOS\n", myid);
}
int myid=-1;
};
struct Sink: ff_minode_t<long> {
long* svc(long*) {
return GO_ON;
}
};
int main(int argc, char* argv[]) {
int nworkers=2;
int ntasks=1000;
if (argc!=1) {
if (argc!=3) {
printf("use: %s nworkers ntasks\n", argv[0]);
return -1;
}
nworkers = atoi(argv[1]);
ntasks = atoi(argv[2]);
}
// main all-to-all
ff_a2a a2a;
// L-Workers ----------------
ff_pipeline pipe1;
ff_a2a* a2a1 = new ff_a2a;
std::vector<ff_node*> L;
L.push_back(new Generator(ntasks));
a2a1->add_firstset(L,0,true);
std::vector<ff_node*> R;
for(int i=0;i<nworkers;++i) {
ff_pipeline* pipe = new ff_pipeline;
pipe->add_stage(new ff_comb(new miHelper, new Worker, true, true));
pipe->add_stage(new Worker); // it should be multi-output, see (*)
pipe->cleanup_nodes();
R.push_back(pipe);
}
a2a1->add_secondset(R, true);
pipe1.add_stage(a2a1);
pipe1.cleanup_nodes();
ff_pipeline pipe2;
ff_a2a* a2a2 = new ff_a2a;
std::vector<ff_node*> L1;
L1.push_back(new Generator(ntasks));
a2a2->add_firstset(L1,0,true);
std::vector<ff_node*> R1;
for(int i=0;i<nworkers;++i) {
ff_pipeline* pipe = new ff_pipeline;
pipe->add_stage(new ff_comb(new miHelper, new Worker, true, true));
pipe->add_stage(new Worker); // it should be multi-output, see (*)
pipe->cleanup_nodes();
R1.push_back(pipe);
}
a2a2->add_secondset(R1, true);
pipe2.add_stage(a2a2);
pipe2.cleanup_nodes();
std::vector<ff_node*> first_set;
combine_with_laststage(pipe1, new moHelper, true); // (*)
combine_with_laststage(pipe2, new moHelper, true); // (*)
first_set.push_back(&pipe1);
first_set.push_back(&pipe2);
a2a.add_firstset(first_set);
// R-Workers ----------------
ff_pipeline pipe3;
ff_a2a right_a2a;
ff_comb* comb1 = new ff_comb(new miHelper, new Collector(1), true, true);
ff_comb* comb2 = new ff_comb(new miHelper, new Collector(2), true, true);
std::vector<ff_node*> rA2A_left;
rA2A_left.push_back(comb1);
rA2A_left.push_back(comb2);
right_a2a.add_firstset(rA2A_left, 0 , true);
std::vector<ff_node*> rA2A_right;
rA2A_right.push_back(new Sink);
right_a2a.add_secondset(rA2A_right, true);
pipe3.add_stage(&right_a2a);
std::vector<ff_node*> second_set;
second_set.push_back(&pipe3);
a2a.add_secondset(second_set);
printf("cardinality %d\n", a2a.cardinality());
if (a2a.run_and_wait_end()<0) {
error("running a2a\n");
return -1;
}
printf("TEST DONE\n");
return 0;
}