#include<stdlib.h>
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#include<stdio.h>
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#include<math.h>
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#include<pthread.h>
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//#include<unistd.h> //usleep requires it
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//#include "io.h"
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#include "general.h"
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#include "timestep.h"
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#include "vertexmove.h"
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#include "bondflip.h"
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#include "frame.h"
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#include "vertex.h"
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#include "io.h"
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ts_bool run_simulation(ts_vesicle *vesicle, ts_uint mcsweeps, ts_uint inititer, ts_uint iterations){
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ts_uint i, j,k ;
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centermass(vesicle);
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cell_occupation(vesicle);
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ts_fprintf(stdout, "Starting simulation (first %d x %d MC sweeps will not be recorded on disk)\n", inititer, mcsweeps);
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ts_fprintf(stdout, "Starting %d threads\n",vesicle->threads);
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pthread_t *tid=(pthread_t *)malloc(sizeof(pthread_t)*vesicle->threads);
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thdata *data=(thdata *)malloc(sizeof(thdata)*vesicle->threads);
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pthread_mutex_init(&(vesicle->mutex->vtx_taint),NULL);
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pthread_mutex_init(&(vesicle->mutex->vtx_untaint),NULL);
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pthread_mutex_init(&(vesicle->mutex->cell_modify),NULL);
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for(i=0;i<vesicle->threads;i++){
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data[i].thread_no=i;
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data[i].vesicle=vesicle;
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data[i].threads=vesicle->threads;
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}
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for(i=0;i<inititer+iterations;i++){
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for(j=0;j<mcsweeps;j++){
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for(k=0;k<vesicle->threads;k++){
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pthread_create(&tid[k], NULL, single_timestep, (void *)&data[k]);
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}
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for(k=0;k<vesicle->threads;k++){
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pthread_join(tid[k],NULL);
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}
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// single_timestep(vesicle);
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}
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centermass(vesicle);
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cell_occupation(vesicle);
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if(i>inititer){
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write_vertex_xml_file(vesicle,i-inititer);
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}
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}
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pthread_mutex_destroy(&(vesicle->mutex->vtx_taint));
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pthread_mutex_destroy(&(vesicle->mutex->vtx_untaint));
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pthread_exit(NULL);
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return TS_SUCCESS;
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}
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void * single_timestep(void *thread_data){
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thdata *data;
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data=(thdata *)thread_data;
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ts_vesicle *vesicle=data->vesicle;
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ts_uint thID=data->thread_no;
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ts_uint partition_size=(ts_uint)(vesicle->vlist->n/data->threads);
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ts_uint end;
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if(thID==data->threads-1){
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end=vesicle->vlist->n;
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} else {
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end=(thID+1)*partition_size;
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}
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ts_double rnvec[3];
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ts_uint i,j,b;
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ts_vertex *vtx;
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//ts_bool retval;
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// ts_fprintf(stdout,"Thread thID=%d report for duty. My vtxes are in range from %d to %d.\n",thID,thID*partition_size, end-1);
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for(i=thID*partition_size;i<end;i++){
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rnvec[0]=drand48();
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rnvec[1]=drand48();
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rnvec[2]=drand48();
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//TODO: you only need to taint (lock) vertices, that could be shared with another partition. You can leave out the rest. How can you test for that? Well, if any of vtx neighbours are in other partition, then you need to lock vertex and that neighbor. Otherwise not!
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/**** THREAD IS POTENTIALLY LOCKED ******/
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pthread_mutex_lock(&vesicle->mutex->vtx_taint); //taint if no other process is tainting or wait until you can taint
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// ts_fprintf(stdout, "thID=%d:: Tainting vertex %d, level=%d. Waiting....\n",thID, i, vesicle->vlist->vtx[i]->locked);
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while(vertex_tainted(vesicle->vlist->vtx[i],1,1)){
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ts_fprintf(stdout, "thID=%d:: Vertex %d is tainted, so I cannot try vertexmove. Amount=%d. BU(H)TELJ!\n neigh. vtxs: ",thID, i, vesicle->vlist->vtx[i]->locked);
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for(j=0; j<vesicle->vlist->vtx[i]->neigh_no; j++){
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ts_fprintf(stdout, "%d(a=%d) ", vesicle->vlist->vtx[i]->neigh[j]->idx, vesicle->vlist->vtx[i]->neigh[j]->locked);
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}
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ts_fprintf(stdout, ".\n");
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}
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pthread_mutex_lock(&vesicle->mutex->vtx_untaint);
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vertex_taint(vesicle->vlist->vtx[i],1);
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pthread_mutex_unlock(&vesicle->mutex->vtx_untaint);
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pthread_mutex_unlock(&vesicle->mutex->vtx_taint);
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/**** THREAD IS RELEASING MUTEX RESOURCES ******/
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single_verticle_timestep(vesicle,vesicle->vlist->vtx[i],rnvec);
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pthread_mutex_lock(&vesicle->mutex->vtx_untaint);
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vertex_untaint(vesicle->vlist->vtx[i],1);
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pthread_mutex_unlock(&vesicle->mutex->vtx_untaint);
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}
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// ts_int cnt=0;
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for(i=0;i<(ts_uint)((ts_double)(vesicle->vlist->n)/(ts_double)vesicle->threads);i++){
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b=rand() % vesicle->blist->n;
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//find a bond and return a pointer to a bond...
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//call single_bondflip_timestep...
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vtx=vesicle->blist->bond[b]->vtx1;
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/**** THREAD IS POTENTIALLY LOCKED ******/
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pthread_mutex_lock(&vesicle->mutex->vtx_taint);
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while(vertex_tainted(vtx,2,1)){
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ts_fprintf(stdout, "BF:: thID=%d Vertex %d is tainted. Amount=%d. BU(H)TELJ!\n neigh. vtxs: ",thID, i, *(vesicle->vlist->vtx[i]->locked));
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for(j=0; j<vesicle->vlist->vtx[i]->neigh_no; j++){
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ts_fprintf(stdout, "%d(a=%d) ", vesicle->vlist->vtx[i]->neigh[j]->idx, *(vesicle->vlist->vtx[i]->neigh[j]->locked));
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}
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ts_fprintf(stdout, ".\n");
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}
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pthread_mutex_lock(&vesicle->mutex->vtx_untaint);
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vertex_taint(vtx,2);
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pthread_mutex_unlock(&vesicle->mutex->vtx_untaint);
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pthread_mutex_unlock(&vesicle->mutex->vtx_taint);
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/**** THREAD IS RELEASING MUTEX RESOURCES ******/
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//retval=
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single_bondflip_timestep(vesicle,vesicle->blist->bond[b],rnvec);
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pthread_mutex_lock(&vesicle->mutex->vtx_untaint);
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vertex_untaint(vtx,2);
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pthread_mutex_unlock(&vesicle->mutex->vtx_untaint);
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// if(retval==TS_SUCCESS) cnt++;
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}
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// printf("Bondflip success rate in one sweep: %d/%d=%e\n", cnt,vesicle->blist->n,(double)cnt/(double)vesicle->blist->n);
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/* if(retval);
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return TS_SUCCESS;
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*/
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pthread_exit(0); /* exit */
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}
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