Revision c2f28aaed97ab601d30035756a47535caaf5c634 authored by Eh Tan on 12 November 2007, 22:50:32 UTC, committed by Eh Tan on 12 November 2007, 22:50:32 UTC
svn+ssh://svn@geodynamics.org/cig/mc/3D/CitcomS/trunk ........ r8278 | tan2 | 2007-11-12 14:38:36 -0800 (Mon, 12 Nov 2007) | 1 line Added mishing header file to the makefile, also avoided compiling unused code. ........ r8279 | tan2 | 2007-11-12 14:42:56 -0800 (Mon, 12 Nov 2007) | 1 line Updated the version number and file NEWS ........
1 parent 4cab4ca
Regional_tracer_advection.c
/*
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
*<LicenseText>
*
* CitcomS by Louis Moresi, Shijie Zhong, Lijie Han, Eh Tan,
* Clint Conrad, Michael Gurnis, and Eun-seo Choi.
* Copyright (C) 1994-2005, California Institute of Technology.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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
*
*</LicenseText>
*
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <mpi.h>
#include <math.h>
#include <sys/types.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "element_definitions.h"
#include "global_defs.h"
#include "composition_related.h"
#include "parallel_related.h"
static void write_trace_instructions(struct All_variables *E);
static void make_mesh_ijk(struct All_variables *E);
static void put_lost_tracers(struct All_variables *E,
int *send_size, double *send,
int kk, int j);
static void put_found_tracers(struct All_variables *E,
int recv_size, double *recv,
int j);
int isearch_neighbors(double *array, int nsize,
double a, int hint);
int isearch_all(double *array, int nsize, double a);
void regional_tracer_setup(struct All_variables *E)
{
char output_file[255];
void get_neighboring_caps();
/* Some error control */
if (E->sphere.caps_per_proc>1) {
fprintf(stderr,"This code does not work for multiple caps per processor!\n");
parallel_process_termination();
}
/* open tracing output file */
sprintf(output_file,"%s.tracer_log.%d",E->control.data_file,E->parallel.me);
E->trace.fpt=fopen(output_file,"w");
/* reset statistical counters */
E->trace.istat_isend=0;
E->trace.istat_iempty=0;
E->trace.istat_elements_checked=0;
E->trace.istat1=0;
/* some obscure initial parameters */
/* This parameter specifies how close a tracer can get to the boundary */
E->trace.box_cushion=0.00001;
/* Determine number of tracer quantities */
/* advection_quantites - those needed for advection */
E->trace.number_of_basic_quantities=12;
/* extra_quantities - used for flavors, composition, etc. */
/* (can be increased for additional science i.e. tracing chemistry */
E->trace.number_of_extra_quantities = 0;
if (E->trace.nflavors > 0)
E->trace.number_of_extra_quantities += 1;
E->trace.number_of_tracer_quantities =
E->trace.number_of_basic_quantities +
E->trace.number_of_extra_quantities;
/* Fixed positions in tracer array */
/* Flavor is always in extraq position 0 */
/* Current coordinates are always kept in basicq positions 0-5 */
/* Other positions may be used depending on science being done */
/* Some error control regarding size of pointer arrays */
if (E->trace.number_of_basic_quantities>99) {
fprintf(E->trace.fpt,"ERROR(initialize_trace)-increase 2nd position size of basic in tracer_defs.h\n");
fflush(E->trace.fpt);
parallel_process_termination();
}
if (E->trace.number_of_extra_quantities>99) {
fprintf(E->trace.fpt,"ERROR(initialize_trace)-increase 2nd position size of extraq in tracer_defs.h\n");
fflush(E->trace.fpt);
parallel_process_termination();
}
if (E->trace.number_of_tracer_quantities>99) {
fprintf(E->trace.fpt,"ERROR(initialize_trace)-increase 2nd position size of rlater in tracer_defs.h\n");
fflush(E->trace.fpt);
parallel_process_termination();
}
write_trace_instructions(E);
/* The bounding box of neiboring processors */
get_neighboring_caps(E);
make_mesh_ijk(E);
if (E->composition.on)
composition_setup(E);
return;
}
/**** WRITE TRACE INSTRUCTIONS ***************/
static void write_trace_instructions(struct All_variables *E)
{
int i;
fprintf(E->trace.fpt,"\nTracing Activated! (proc: %d)\n",E->parallel.me);
fprintf(E->trace.fpt," Allen K. McNamara 12-2003\n\n");
if (E->trace.ic_method==0) {
fprintf(E->trace.fpt,"Generating New Tracer Array\n");
fprintf(E->trace.fpt,"Tracers per element: %d\n",E->trace.itperel);
}
if (E->trace.ic_method==1) {
fprintf(E->trace.fpt,"Reading tracer file %s\n",E->trace.tracer_file);
}
if (E->trace.ic_method==2) {
fprintf(E->trace.fpt,"Read individual tracer files\n");
}
fprintf(E->trace.fpt,"Number of tracer flavors: %d\n", E->trace.nflavors);
if (E->trace.nflavors && E->trace.ic_method==0) {
fprintf(E->trace.fpt,"Initialized tracer flavors by: %d\n", E->trace.ic_method_for_flavors);
if (E->trace.ic_method_for_flavors == 0) {
fprintf(E->trace.fpt,"Layered tracer flavors\n");
for (i=0; i<E->trace.nflavors-1; i++)
fprintf(E->trace.fpt,"Interface Height: %d %f\n",i,E->trace.z_interface[i]);
}
else {
fprintf(E->trace.fpt,"Sorry-This IC methods for Flavors are Unavailable %d\n",E->trace.ic_method_for_flavors);
fflush(E->trace.fpt);
parallel_process_termination();
}
}
for (i=0; i<E->trace.nflavors-2; i++) {
if (E->trace.z_interface[i] < E->trace.z_interface[i+1]) {
fprintf(E->trace.fpt,"Sorry - The %d-th z_interface is smaller than the next one.\n", i);
fflush(E->trace.fpt);
parallel_process_termination();
}
}
/* more obscure stuff */
fprintf(E->trace.fpt,"Box Cushion: %f\n",E->trace.box_cushion);
fprintf(E->trace.fpt,"Number of Basic Quantities: %d\n",
E->trace.number_of_basic_quantities);
fprintf(E->trace.fpt,"Number of Extra Quantities: %d\n",
E->trace.number_of_extra_quantities);
fprintf(E->trace.fpt,"Total Number of Tracer Quantities: %d\n",
E->trace.number_of_tracer_quantities);
if (E->trace.itracer_warnings==0) {
fprintf(E->trace.fpt,"\n WARNING EXITS ARE TURNED OFF! TURN THEM ON!\n");
fprintf(stderr,"\n WARNING EXITS ARE TURNED OFF! TURN THEM ON!\n");
fflush(E->trace.fpt);
}
write_composition_instructions(E);
return;
}
static void make_mesh_ijk(struct All_variables *E)
{
int m,i,j,k,node;
int nox,noy,noz;
nox=E->lmesh.nox;
noy=E->lmesh.noy;
noz=E->lmesh.noz;
E->trace.x_space=(double*) malloc(nox*sizeof(double));
E->trace.y_space=(double*) malloc(noy*sizeof(double));
E->trace.z_space=(double*) malloc(noz*sizeof(double));
/***comment by Vlad 1/26/2005
reading the local mesh coordinate
***/
for(m=1;m<=E->sphere.caps_per_proc;m++) {
for(i=0;i<nox;i++)
E->trace.x_space[i]=E->sx[m][1][i*noz+1];
for(j=0;j<noy;j++)
E->trace.y_space[j]=E->sx[m][2][j*nox*noz+1];
for(k=0;k<noz;k++)
E->trace.z_space[k]=E->sx[m][3][k+1];
} /* end of m */
/* debug *
for(i=0;i<nox;i++)
fprintf(E->trace.fpt, "i=%d x=%e\n", i, E->trace.x_space[i]);
for(j=0;j<noy;j++)
fprintf(E->trace.fpt, "j=%d y=%e\n", j, E->trace.y_space[j]);
for(k=0;k<noz;k++)
fprintf(E->trace.fpt, "k=%d z=%e\n", k, E->trace.z_space[k]);
/**
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.7, 0));
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.7, 1));
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.7, 2));
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.7, 3));
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.7, 4));
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.56, 0));
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.56, 1));
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.56, 2));
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.99, 2));
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.99, 3));
fprintf(stderr, "%d\n", isearch_neighbors(E->trace.z_space, noz, 0.99, 4));
fprintf(stderr, "%d\n", isearch_all(E->trace.z_space, noz, 0.5));
fprintf(stderr, "%d\n", isearch_all(E->trace.z_space, noz, 1.1));
fprintf(stderr, "%d\n", isearch_all(E->trace.z_space, noz, 0.55));
fprintf(stderr, "%d\n", isearch_all(E->trace.z_space, noz, 1.0));
fprintf(stderr, "%d\n", isearch_all(E->trace.z_space, noz, 0.551));
fprintf(stderr, "%d\n", isearch_all(E->trace.z_space, noz, 0.99));
fprintf(stderr, "%d\n", isearch_all(E->trace.z_space, noz, 0.7));
fprintf(stderr, "%d\n", isearch_all(E->trace.z_space, noz, 0.75));
fprintf(stderr, "%d\n", isearch_all(E->trace.z_space, noz, 0.775));
fprintf(stderr, "%d\n", isearch_all(E->trace.z_space, noz, 0.7750001));
parallel_process_termination();
/**/
return;
}
/********** IGET ELEMENT *****************************************/
/* */
/* This function returns the the real element for a given point. */
/* Returns -99 in not in this cap. */
/* iprevious_element, if known, is the last known element. If */
/* it is not known, input a negative number. */
int regional_iget_element(struct All_variables *E,
int m, int iprevious_element,
double dummy1, double dummy2, double dummy3,
double theta, double phi, double rad)
{
int e, i, j, k;
int ii, jj, kk;
int elx, ely, elz;
elx = E->lmesh.elx;
ely = E->lmesh.ely;
elz = E->lmesh.elz;
//TODO: take care of south west bound
/* Search neighboring elements if the previous element is known */
if (iprevious_element > 0) {
e = iprevious_element - 1;
k = e % elz;
i = (e / elz) % elx;
j = e / (elz*elx);
ii = isearch_neighbors(E->trace.x_space, elx+1, theta, i);
jj = isearch_neighbors(E->trace.y_space, ely+1, phi, j);
kk = isearch_neighbors(E->trace.z_space, elz+1, rad, k);
if (ii>=0 && jj>=0 && kk>=0)
return jj*elx*elz + ii*elz + kk + 1;
}
/* Search all elements if either the previous element is unknown */
/* or failed to find in the neighboring elements */
ii = isearch_all(E->trace.x_space, elx+1, theta);
jj = isearch_all(E->trace.y_space, ely+1, phi);
kk = isearch_all(E->trace.z_space, elz+1, rad);
if (ii<0 || jj<0 || kk<0)
return -99;
return jj*elx*elz + ii*elz + kk + 1;
}
/* array is an ordered array of length nsize */
/* return an index i, such that array[i] <= a < array[i+1] */
/* return -1 if not found. */
/* Note that -1 is returned if a == array[nsize-1] */
int isearch_all(double *array, int nsize, double a)
{
int high, i, low;
/* check the min/max bound */
if ((a < array[0]) || (a >= array[nsize-1]))
return -1;
/* binary search */
for (low=0, high=nsize-1; high-low>1;) {
i = (high+low) / 2;
if ( a < array[i] ) high = i;
else low = i;
}
return low;
}
/* Similar the isearch_all(), but with a hint */
int isearch_neighbors(double *array, int nsize,
double a, int hint)
{
/* search the nearest neighbors only */
const int number_of_neighbors = 3;
int neighbors[5];
int n, i;
neighbors[0] = hint;
neighbors[1] = hint-1;
neighbors[2] = hint+1;
neighbors[3] = hint-2;
neighbors[4] = hint+2;
/**/
for (n=0; n<number_of_neighbors; n++) {
i = neighbors[n];
if ((i >= 0) && (i < nsize-1) &&
(a >= array[i]) && (a < array[i+1]))
return i;
}
return -1;
}
/* */
/* This function serves to determine if a point lies within */
/* a given cap */
/* */
int regional_icheck_cap(struct All_variables *E, int icap,
double theta, double phi, double rad, double junk)
{
double theta_min, theta_max;
double phi_min, phi_max;
/* corner 2 is the north-west corner */
/* corner 4 is the south-east corner */
theta_min = E->trace.theta_cap[icap][2];
theta_max = E->trace.theta_cap[icap][4];
phi_min = E->trace.phi_cap[icap][2];
phi_max = E->trace.phi_cap[icap][4];
if ((theta >= theta_min) && (theta < theta_max) &&
(phi >= phi_min) && (phi < phi_max))
return 1;
//TODO: deal with south west bounds
return 0;
}
static void get_shape_functions(struct All_variables *E,
double w[9], int nelem,
double theta, double phi, double rad)
{
int e, i, j, k;
int elx, ely, elz;
double tr_dx, tr_dy, tr_dz;
double dx, dy, dz;
double volume;
elx = E->lmesh.elx;
ely = E->lmesh.ely;
elz = E->lmesh.elz;
e = nelem - 1;
k = e % elz;
i = (e / elz) % elx;
j = e / (elz*elx);
/*** comment by Tan2 1/25/2005
Find the element that contains the tracer.
node(i) tracer node(i+1)
| * |
<----------->
tr_dx
<-------------------------------->
dx
***/
tr_dx = theta - E->trace.x_space[i];
dx = E->trace.x_space[i+1] - E->trace.x_space[i];
tr_dy = phi - E->trace.y_space[j];
dy = E->trace.y_space[j+1] - E->trace.y_space[j];
tr_dz = rad - E->trace.z_space[k];
dz = E->trace.z_space[k+1] - E->trace.z_space[k];
/*** comment by Tan2 1/25/2005
Calculate shape functions from tr_dx, tr_dy, tr_dz
This assumes linear element
***/
/* compute volumetic weighting functions */
volume = dx*dz*dy;
w[1] = (dx-tr_dx) * (dy-tr_dy) * (dz-tr_dz) / volume;
w[2] = tr_dx * (dy-tr_dy) * (dz-tr_dz) / volume;
w[3] = tr_dx * tr_dy * (dz-tr_dz) / volume;
w[4] = (dx-tr_dx) * tr_dy * (dz-tr_dz) / volume;
w[5] = (dx-tr_dx) * (dy-tr_dy) * tr_dz / volume;
w[6] = tr_dx * (dy-tr_dy) * tr_dz / volume;
w[7] = tr_dx * tr_dy * tr_dz / volume;
w[8] = (dx-tr_dx) * tr_dy * tr_dz / volume;
/** debug **
fprintf(E->trace.fpt, "dr=(%e,%e,%e) tr_dr=(%e,%e,%e)\n",
dx, dy, dz, tr_dx, tr_dy, tr_dz);
fprintf(E->trace.fpt, "shp: %e %e %e %e %e %e %e %e\n",
w[1], w[2], w[3], w[4], w[5], w[6], w[7], w[8]);
fprintf(E->trace.fpt, "sum(shp): %e\n",
w[1]+ w[2]+ w[3]+ w[4]+ w[5]+ w[6]+ w[7]+ w[8]);
fflush(E->trace.fpt);
/**/
return;
}
/******** GET VELOCITY ***************************************/
void regional_get_velocity(struct All_variables *E,
int m, int nelem,
double theta, double phi, double rad,
double *velocity_vector)
{
void velo_from_element_d();
double weight[9], VV[4][9], tmp;
int n, d, node;
const int sphere_key = 0;
/* get shape functions at (theta, phi, rad) */
get_shape_functions(E, weight, nelem, theta, phi, rad);
/* get cartesian velocity */
velo_from_element_d(E, VV, m, nelem, sphere_key);
/*** comment by Tan2 1/25/2005
Interpolate the velocity on the tracer position
***/
for(d=1; d<=3; d++)
velocity_vector[d] = 0;
for(d=1; d<=3; d++) {
for(n=1; n<=8; n++)
velocity_vector[d] += VV[d][n] * weight[n];
}
/** debug **
for(d=1; d<=3; d++) {
fprintf(E->trace.fpt, "VV: %e %e %e %e %e %e %e %e: %e\n",
VV[d][1], VV[d][2], VV[d][3], VV[d][4],
VV[d][5], VV[d][6], VV[d][7], VV[d][8],
velocity_vector[d]);
}
tmp = 0;
for(n=1; n<=8; n++)
tmp += E->sx[m][1][E->ien[m][nelem].node[n]] * weight[n];
fprintf(E->trace.fpt, "THETA: %e -> %e\n", theta, tmp);
fflush(E->trace.fpt);
/**/
return;
}
void regional_keep_within_bounds(struct All_variables *E,
double *x, double *y, double *z,
double *theta, double *phi, double *rad)
{
void sphere_to_cart();
int changed = 0;
if (*theta > E->control.theta_max - E->trace.box_cushion) {
*theta = E->control.theta_max - E->trace.box_cushion;
changed = 1;
}
if (*theta < E->control.theta_min + E->trace.box_cushion) {
*theta = E->control.theta_min + E->trace.box_cushion;
changed = 1;
}
if (*phi > E->control.fi_max - E->trace.box_cushion) {
*phi = E->control.fi_max - E->trace.box_cushion;
changed = 1;
}
if (*phi < E->control.fi_min + E->trace.box_cushion) {
*phi = E->control.fi_min + E->trace.box_cushion;
changed = 1;
}
if (*rad > E->sphere.ro - E->trace.box_cushion) {
*rad = E->sphere.ro - E->trace.box_cushion;
changed = 1;
}
if (*rad < E->sphere.ri + E->trace.box_cushion) {
*rad = E->sphere.ri + E->trace.box_cushion;
changed = 1;
}
if (changed)
sphere_to_cart(E, *theta, *phi, *rad, x, y, z);
return;
}
void regional_lost_souls(struct All_variables *E)
{
/* This part only works if E->sphere.caps_per_proc==1 */
const int j = 1;
int lev = E->mesh.levmax;
int i, d, kk;
int max_send_size, isize, itemp_size;
int ngbr_rank[6+1];
double bounds[3][2];
double *send[2];
double *recv[2];
void expand_tracer_arrays();
int icheck_that_processor_shell();
int ipass;
MPI_Status status[4];
MPI_Request request[4];
E->trace.istat_isend = E->trace.ilater[j];
/* the bounding box */
for (d=0; d<E->mesh.nsd; d++) {
bounds[d][0] = E->sx[j][d+1][1];
bounds[d][1] = E->sx[j][d+1][E->lmesh.nno];
}
/* set up ranks for neighboring procs */
/* if ngbr_rank is -1, there is no neighbor on this side */
ipass = 1;
for (kk=1; kk<=6; kk++) {
if (E->parallel.NUM_PASS[lev][j].bound[kk] == 1) {
ngbr_rank[kk] = E->parallel.PROCESSOR[lev][j].pass[ipass];
ipass++;
}
else {
ngbr_rank[kk] = -1;
}
}
/* debug *
for (kk=1; kk<=E->trace.istat_isend; kk++) {
fprintf(E->trace.fpt, "tracer#=%d xx=(%g,%g,%g)\n", kk,
E->trace.rlater[j][0][kk],
E->trace.rlater[j][1][kk],
E->trace.rlater[j][2][kk]);
}
for (d=0; d<E->mesh.nsd; d++) {
fprintf(E->trace.fpt, "bounds(dim=%d) = (%e, %e)\n",
d, bounds[d][0], bounds[d][1]);
}
for (kk=1; kk<=6; kk++) {
fprintf(E->trace.fpt, "pass=%d neighbor_rank=%d\n",
kk, ngbr_rank[kk]);
}
fflush(E->trace.fpt);
parallel_process_sync(E);
/**/
/* Allocate Maximum Memory to Send Arrays */
max_send_size = max(2*E->trace.ilater[j], E->trace.ntracers[j]/100);
itemp_size = max_send_size * E->trace.number_of_tracer_quantities;
if ((send[0] = (double *)malloc(itemp_size*sizeof(double)))
== NULL) {
fprintf(E->trace.fpt,"Error(lost souls)-no memory (u388)\n");
fflush(E->trace.fpt);
exit(10);
}
if ((send[1] = (double *)malloc(itemp_size*sizeof(double)))
== NULL) {
fprintf(E->trace.fpt,"Error(lost souls)-no memory (u389)\n");
fflush(E->trace.fpt);
exit(10);
}
for (d=0; d<E->mesh.nsd; d++) {
int original_size = E->trace.ilater[j];
int idb;
int kk = 1;
int isend[2], irecv[2];
isend[0] = isend[1] = 0;
/* move out-of-bound tracers to send array */
while (kk<=E->trace.ilater[j]) {
double coord;
/* Is the tracer within the bounds in the d-th dimension */
coord = E->trace.rlater[j][d][kk];
if (coord < bounds[d][0]) {
put_lost_tracers(E, &(isend[0]), send[0], kk, j);
}
else if (coord >= bounds[d][1]) {
put_lost_tracers(E, &(isend[1]), send[1], kk, j);
}
else {
/* check next tracer */
kk++;
}
/* reallocate send if size too small */
if ((isend[0] > max_send_size - 5) ||
(isend[1] > max_send_size - 5)) {
isize = max_send_size + max_send_size/4 + 10;
itemp_size = isize * E->trace.number_of_tracer_quantities;
if ((send[0] = (double *)realloc(send[0],
itemp_size*sizeof(double)))
== NULL) {
fprintf(E->trace.fpt,"Error(lost souls)-no memory (s4)\n");
fflush(E->trace.fpt);
exit(10);
}
if ((send[1] = (double *)realloc(send[1],
itemp_size*sizeof(double)))
== NULL) {
fprintf(E->trace.fpt,"Error(lost souls)-no memory (s5)\n");
fflush(E->trace.fpt);
exit(10);
}
fprintf(E->trace.fpt,"Expanding physical memory of send to "
"%d from %d\n",
isize, max_send_size);
max_send_size = isize;
}
} /* end of while kk */
/* check the total # of tracers is conserved */
if ((isend[0] + isend[1] + E->trace.ilater[j]) != original_size) {
fprintf(E->trace.fpt, "original_size: %d, rlater_size: %d, "
"send_size: %d\n",
original_size, E->trace.ilater[j], kk);
}
/** debug **
for (i=0; i<2; i++) {
for (kk=0; kk<isend[i]; kk++) {
fprintf(E->trace.fpt, "dim:%d side:%d kk=%d coord[kk]=%e\n",
d, i, kk,
send[i][kk*E->trace.number_of_tracer_quantities+d]);
}
}
fflush(E->trace.fpt);
/**/
/* Send info to other processors regarding number of send tracers */
/* check whether there is a neighbor in this pass*/
idb = 0;
for (i=0; i<2; i++) {
int target_rank;
kk = d*2 + i + 1;
target_rank = ngbr_rank[kk];
if (target_rank >= 0) {
MPI_Isend(&isend[i], 1, MPI_INT, target_rank,
11, E->parallel.world, &request[idb++]);
MPI_Irecv(&irecv[i], 1, MPI_INT, target_rank,
11, E->parallel.world, &request[idb++]);
}
else {
irecv[i] = 0;
}
} /* end of for i */
/* Wait for non-blocking calls to complete */
MPI_Waitall(idb, request, status);
/** debug **
for (i=0; i<2; i++) {
int target_rank;
kk = d*2 + i + 1;
target_rank = ngbr_rank[kk];
if (target_rank >= 0) {
fprintf(E->trace.fpt, "%d: %d send %d to proc %d\n",
d, i, isend[i], target_rank);
fprintf(E->trace.fpt, "%d: %d recv %d from proc %d\n",
d, i, irecv[i], target_rank);
}
}
parallel_process_sync(E);
/**/
/* Allocate memory in receive arrays */
for (i=0; i<2; i++) {
isize = irecv[i] * E->trace.number_of_tracer_quantities;
itemp_size = max(1, isize);
if ((recv[i] = (double *)malloc(itemp_size*sizeof(double)))
== NULL) {
fprintf(E->trace.fpt, "Error(lost souls)-no memory (c721)\n");
fflush(E->trace.fpt);
exit(10);
}
}
/* Now, send the tracers to proper procs */
idb = 0;
for (i=0; i<2; i++) {
int target_rank;
kk = d*2 + i + 1;
target_rank = ngbr_rank[kk];
if (target_rank >= 0) {
isize = isend[i] * E->trace.number_of_tracer_quantities;
MPI_Isend(send[i], isize, MPI_DOUBLE, target_rank,
12, E->parallel.world, &request[idb++]);
isize = irecv[i] * E->trace.number_of_tracer_quantities;
MPI_Irecv(recv[i], isize, MPI_DOUBLE, target_rank,
12, E->parallel.world, &request[idb++]);
}
}
/* Wait for non-blocking calls to complete */
MPI_Waitall(idb, request, status);
/** debug **
for (i=0; i<2; i++) {
for (kk=1; kk<=irecv[i]; kk++) {
fprintf(E->trace.fpt, "recv: %d %e %e %e\n",
kk,
recv[i][(kk-1)*E->trace.number_of_tracer_quantities],
recv[i][(kk-1)*E->trace.number_of_tracer_quantities+1],
recv[i][(kk-1)*E->trace.number_of_tracer_quantities+2]);
}
}
fflush(E->trace.fpt);
parallel_process_sync(E);
/**/
/* put the received tracers */
for (i=0; i<2; i++) {
put_found_tracers(E, irecv[i], recv[i], j);
}
free(recv[0]);
free(recv[1]);
} /* end of for d */
/* rlater should be empty by now */
if (E->trace.ilater[j] > 0) {
fprintf(E->trace.fpt, "Error(regional_lost_souls) lost tracers\n");
for (kk=1; kk<=E->trace.ilater[j]; kk++) {
fprintf(E->trace.fpt, "lost #%d xx=(%e, %e, %e)\n", kk,
E->trace.rlater[j][0][kk],
E->trace.rlater[j][1][kk],
E->trace.rlater[j][2][kk]);
}
fflush(E->trace.fpt);
exit(10);
}
/* Free Arrays */
free(send[0]);
free(send[1]);
return;
}
static void put_lost_tracers(struct All_variables *E,
int *send_size, double *send,
int kk, int j)
{
int ilast_tracer, isend_position, ipos;
int pp;
/* move the tracer from rlater to send */
isend_position = (*send_size) * E->trace.number_of_tracer_quantities;
for (pp=0; pp<E->trace.number_of_tracer_quantities; pp++) {
ipos = isend_position + pp;
send[ipos] = E->trace.rlater[j][pp][kk];
}
(*send_size)++;
/* eject the tracer from rlater */
ilast_tracer = E->trace.ilater[j];
for (pp=0; pp<E->trace.number_of_tracer_quantities; pp++) {
E->trace.rlater[j][pp][kk] = E->trace.rlater[j][pp][ilast_tracer];
}
E->trace.ilater[j]--;
return;
}
/****************************************************************/
/* Put the received tracers in basiq & extraq, if within bounds */
/* Otherwise, append to rlater for sending to another proc */
static void put_found_tracers(struct All_variables *E,
int recv_size, double *recv,
int j)
{
void expand_tracer_arrays();
void expand_later_array();
int icheck_processor_shell();
int kk, pp;
int ipos, ilast, inside, iel;
double theta, phi, rad;
for (kk=0; kk<recv_size; kk++) {
ipos = kk * E->trace.number_of_tracer_quantities;
theta = recv[ipos];
phi = recv[ipos + 1];
rad = recv[ipos + 2];
/* check whether this tracer is inside this proc */
/* check radius first, since it is cheaper */
inside = icheck_processor_shell(E, j, rad);
if (inside == 1)
inside = regional_icheck_cap(E, 0, theta, phi, rad, rad);
else
inside = 0;
/** debug **
fprintf(E->trace.fpt, "kk=%d, inside=%d, xx=(%e, %e, %e)\n",
kk, inside, theta, phi, rad);
fprintf(E->trace.fpt, "before: %d %d\n",
E->trace.ilater[j], E->trace.ntracers[j]);
/**/
if (inside) {
E->trace.ntracers[j]++;
ilast = E->trace.ntracers[j];
if (E->trace.ntracers[j] > (E->trace.max_ntracers[j]-5))
expand_tracer_arrays(E, j);
for (pp=0; pp<E->trace.number_of_basic_quantities; pp++)
E->trace.basicq[j][pp][ilast] = recv[ipos+pp];
ipos += E->trace.number_of_basic_quantities;
for (pp=0; pp<E->trace.number_of_extra_quantities; pp++)
E->trace.extraq[j][pp][ilast] = recv[ipos+pp];
/* found the element */
iel = regional_iget_element(E, j, -99, 0, 0, 0, theta, phi, rad);
if (iel<1) {
fprintf(E->trace.fpt, "Error(regional lost souls) - "
"element not here?\n");
fprintf(E->trace.fpt, "theta, phi, rad: %f %f %f\n",
theta, phi, rad);
fflush(E->trace.fpt);
exit(10);
}
E->trace.ielement[j][ilast] = iel;
}
else {
if (E->trace.ilatersize[j]==0) {
E->trace.ilatersize[j]=E->trace.max_ntracers[j]/5;
for (kk=0;kk<E->trace.number_of_tracer_quantities;kk++) {
if ((E->trace.rlater[j][kk]=(double *)malloc(E->trace.ilatersize[j]*sizeof(double)))==NULL) {
fprintf(E->trace.fpt,"AKM(put_found_tracers)-no memory (%d)\n",kk);
fflush(E->trace.fpt);
exit(10);
}
}
} /* end first particle initiating memory allocation */
E->trace.ilater[j]++;
ilast = E->trace.ilater[j];
if (E->trace.ilater[j] > (E->trace.ilatersize[j]-5))
expand_later_array(E, j);
for (pp=0; pp<E->trace.number_of_tracer_quantities; pp++)
E->trace.rlater[j][pp][ilast] = recv[ipos+pp];
} /* end of if-else */
/** debug **
fprintf(E->trace.fpt, "after: %d %d\n",
E->trace.ilater[j], E->trace.ntracers[j]);
fflush(E->trace.fpt);
/**/
} /* end of for kk */
return;
}
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