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May 22, 2012, 09:01 |
need help for parallelize a serial UDF
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#1 |
Member
Sandeep
Join Date: Apr 2009
Location: Munich, Germany
Posts: 30
Rep Power: 17 |
I'm trig to run a UDF that should do the followings:
1-reading some values from a text file in HOST 2-transfering these values to the NODES 3-seting as the boundary condition in NODES the codes is this. DEFINE_PROFILE (Temperature_profile,t,j) { int node_zero = 0; int node_host = 999999; int node_one = 1; int node_serial = 1000000; int zone_ID; int names[48]; int ID[48]; double temp[48]; double emiss[48]; double tempp; int i,ii,iii,pe; ii=0; iii=329; pe=0; for (i=0; i<48; i++) { names[i]=20; ID[i]=0; temp[i]=0; emiss[i]=0; } #if !RP_NODE FILE *fi=fopen("input.txt","r"); if(fi==NULL) return 1; #endif #if RP_HOST for (i=0; i<48; i++) { fscanf(fi, "%d",&names[i]); fscanf(fi, "%d",&ID[i]); fscanf(fi, "%lf",&temp[i]); fscanf(fi, "%lf",&emiss[i]); } #endif /*????????????????????????????????????????????????? ??????????????????????? I don't know how to make the communication between host and nodes, I also used host_to_nodes but it didn't work ************************************************** *******************************************/ #if !RP_HOST zone_ID=THREAD_ID(t); face_t f; for(i=0;i<48;i++) { ii=5; if(zone_ID==ID[i]) { ii=i; tempp=temp[i]; } } /*????????????????????????????????????????????????? ??????????????????????? I don't know whether it's right to use "compute_node_loop_not_zero (pe)" here!!!!! ************************************************** *********************************************/ compute_node_loop_not_zero (pe) { begin_f_loop(f,t) { if PRINCIPAL_FACE_P(f,t) { F_PROFILE(f,t,j)=temp[ii] } } end_f_loop(f,t) } #endif #if !RP_NODE fclose(fi); #endif } |
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