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rayio.c
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rayio.c
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#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <assert.h>
#include <fftw3.h>
#include <mpi.h>
#include <hdf5.h>
#include <hdf5_hl.h>
#include <gsl/gsl_math.h>
#include <gsl/gsl_sort_long.h>
#include <fitsio.h>
#include <unistd.h>
#include "raytrace.h"
#ifdef USE_FITS_RAYOUT
static void file_write_rays2fits(long fileNum, long firstTask, long lastTask, MPI_Comm fileComm);
#else
static void file_write_rays2bin(long fileNum, long firstTask, long lastTask, MPI_Comm fileComm);
#endif
static void get_ray_iodecomp(long *firstTaskFiles, long *lastTaskFiles, long *fileNum);
/* read rays from arbitrary # of files in arbitrary order
very much inspired by Gadget-2
*/
/*
void read_rays(void)
{
long i,ind,offset;
long group,NumGroups;
long firstFile,lastFile,fileNum,NumFiles;
long NumMod,NumFilesinGroup;
long *readFile;
char name[MAX_FILENAME];
herr_t status;
hid_t file_id;
//read # of files
if(ThisTask == 0)
{
sprintf(name,"%s/%s%04ld.%04ld",rayTraceData.OutputPath,rayTraceData.RayOutputName,rayTraceData.CurrentPlaneNum,0l);
file_id = H5Fopen(name,H5F_ACC_RDWR,H5P_DEFAULT);
assert(file_id >= 0);
status = H5LTread_dataset(file_id,"/NumFiles",H5T_NATIVE_LONG,&NumFiles);
assert(status >= 0);
status = H5Fclose(file_id);
assert(status >= 0);
}
MPI_Bcast(&NumFiles,1,MPI_LONG,0,MPI_COMM_WORLD);
NumGroups = NumFiles/rayTraceData.NumFilesIOInParallel;
if(NumFiles - NumGroups*rayTraceData.NumFilesIOInParallel > 0)
++NumGroups;
readFile = (long*)malloc(sizeof(long)*NumFiles);
assert(readFile != NULL);
for(i=0;i<NumFiles;++i)
readFile[i] = 0;
for(group=0;group<NumGroups;++group)
{
firstFile = group*rayTraceData.NumFilesIOInParallel;
lastFile = firstFile + rayTraceData.NumFilesIOInParallel - 1;
if(lastFile > NumFiles-1)
lastFile = NumFiles-1;
NumFilesinGroup = lastFile - firstFile + 1;
NumMod = NTasks/NumFiles;
if(NumMod > NTasks/NumFilesinGroup || NumMod < 1)
NumMod = NTasks/NumFilesinGroup;
for(i=0;i<NTasks;++i)
{
fileNum = ThisTask - i;
while(fileNum < 0)
fileNum += NTasks;
ind = fileNum/NumMod;
offset = fileNum%NumMod;
fileNum = ind + firstFile;
if(firstFile <= fileNum && fileNum <= lastFile && offset == 0)
{
#ifdef DEBUG
if(DEBUG_LEVEL > 1)
fprintf(stderr,"%d: fileNum = %ld\n",ThisTask,fileNum);
#endif
file_read_hdf52rays(fileNum);
readFile[fileNum] += 1;
}
//\\\\\\\\\\\\\\\\\\\\\\\\\\
MPI_Barrier(MPI_COMM_WORLD);
//\\\\\\\\\\\\\\\\\\\\\\\\\\
#ifdef DEBUG
if(ThisTask == 0 && DEBUG_LEVEL > 1)
fprintf(stderr,"\n");
#endif
}
#ifdef DEBUG
if(ThisTask == 0 && DEBUG_LEVEL > 1)
fprintf(stderr,"\n");
#endif
}
// error check to make sure we have read all files
for(i=0;i<NumFiles;++i)
assert(readFile[i] == 1);
free(readFile);
}
*/
/* does actual read of file
inspired by Gadget-2
*/
/*
void file_read_hdf52rays(long fileNum)
{
char name[MAX_FILENAME];
hid_t file_id,dataset_id,dataspace_id,memspace_id;
herr_t status;
hsize_t dims[1],count[1],offset[1];
hid_t memRayTypeId;
long i,j;
long *NumRaysInPeanoCell,*StartRaysInPeanoCell,peano,nest,readOrder;
sprintf(name,"%s/%s%04ld.%04ld",rayTraceData.OutputPath,rayTraceData.RayOutputName,rayTraceData.CurrentPlaneNum,fileNum);
// file layout
NumRaysInPeanoCell = (long*)malloc(sizeof(long)*NbundleCells);
assert(NumRaysInPeanoCell != NULL);
StartRaysInPeanoCell = (long*)malloc(sizeof(long)*NbundleCells);
assert(StartRaysInPeanoCell != NULL);
// build mem data type for the rays
// structure def - only reading and writing parts of it
//typedef struct {
// long nest;
// float Bk[2];
// float Bkm1[2];
// double Ak[4];
// double Akm1[4];
// #ifdef OUTPUTRAYDEFLECTIONS
// float alphakm1[2];
//#endif
// #ifdef OUTPUTPHI
// float phi;
//#endif
// } HEALPixRay;
//
memRayTypeId = H5Tcreate(H5T_COMPOUND,sizeof(HEALPixRay));
assert(memRayTypeId >= 0);
status = H5Tinsert(memRayTypeId,"nest",HOFFSET(HEALPixRay,nest),H5T_NATIVE_LONG);
assert(status >= 0);
status = H5Tinsert(memRayTypeId,"ra",HOFFSET(HEALPixRay,Bk[0]),H5T_NATIVE_DOUBLE);
assert(status >= 0);
status = H5Tinsert(memRayTypeId,"dec",HOFFSET(HEALPixRay,Bk[1]),H5T_NATIVE_DOUBLE);
assert(status >= 0);
status = H5Tinsert(memRayTypeId,"A00",HOFFSET(HEALPixRay,Ak[2*0+0]),H5T_NATIVE_DOUBLE);
assert(status >= 0);
status = H5Tinsert(memRayTypeId,"A01",HOFFSET(HEALPixRay,Ak[2*0+1]),H5T_NATIVE_DOUBLE);
assert(status >= 0);
status = H5Tinsert(memRayTypeId,"A10",HOFFSET(HEALPixRay,Ak[2*1+0]),H5T_NATIVE_DOUBLE);
assert(status >= 0);
status = H5Tinsert(memRayTypeId,"A11",HOFFSET(HEALPixRay,Ak[2*1+1]),H5T_NATIVE_DOUBLE);
assert(status >= 0);
#ifdef OUTPUTRAYDEFLECTIONS
status = H5Tinsert(memRayTypeId,"alpha0",HOFFSET(HEALPixRay,alphakm1[0]),H5T_NATIVE_DOUBLE);
assert(status >= 0);
status = H5Tinsert(memRayTypeId,"alpha1",HOFFSET(HEALPixRay,alphakm1[1]),H5T_NATIVE_DOUBLE);
assert(status >= 0);
#endif
#ifdef OUTPUTPHI
status = H5Tinsert(memRayTypeId,"phi",HOFFSET(HEALPixRay,phi),H5T_NATIVE_DOUBLE);
assert(status >= 0);
#endif
// read header info
file_id = H5Fopen(name,H5F_ACC_RDWR,H5P_DEFAULT);
assert(file_id >= 0);
status = H5LTread_dataset(file_id,"/RayHEALPixOrder",H5T_NATIVE_LONG,&readOrder);
assert(status >= 0);
assert(readOrder == rayTraceData.rayOrder);
status = H5LTread_dataset(file_id,"/PeanoCellHEALPixOrder",H5T_NATIVE_LONG,&readOrder);
assert(status >= 0);
assert(readOrder == rayTraceData.bundleOrder);
status = H5LTread_dataset(file_id,"/NumRaysInPeanoCell",H5T_NATIVE_LONG,NumRaysInPeanoCell);
assert(status >= 0);
status = H5LTread_dataset(file_id,"/StartRaysInPeanoCell",H5T_NATIVE_LONG,StartRaysInPeanoCell);
assert(status >= 0);
dataset_id = H5Dopen(file_id,"/Rays",H5P_DEFAULT);
assert(dataset_id >= 0);
dataspace_id = H5Dget_space(dataset_id);
assert(dataspace_id >= 0);
for(j=firstRestrictedPeanoIndTasks[ThisTask];j<=lastRestrictedPeanoIndTasks[ThisTask];++j)
{
nest = bundleCellsRestrictedPeanoInd2Nest[j];
assert(nest >= 0 && nest < NbundleCells);
assert(ISSETBITFLAG(bundleCells[nest].active,PRIMARY_BUNDLECELL));
peano = nest2peano(nest,rayTraceData.bundleOrder);
if(NumRaysInPeanoCell[peano] > 0)
{
dims[0] = (hsize_t) (bundleCells[nest].Nrays);
memspace_id = H5Screate_simple(1,dims,NULL);
assert(memspace_id >= 0);
offset[0] = (hsize_t) (StartRaysInPeanoCell[peano]);
count[0] = (hsize_t) (NumRaysInPeanoCell[peano]);
status = H5Sselect_hyperslab(dataspace_id,H5S_SELECT_SET,offset,NULL,count,NULL);
assert(status >= 0);
assert(count[0] == dims[0]);
status = H5Dread(dataset_id,memRayTypeId,memspace_id,dataspace_id,H5P_DEFAULT,bundleCells[nest].rays);
assert(status >= 0);
status = H5Sclose(memspace_id);
assert(status >= 0);
// convert all rays back to x-y basis
for(i=0;i<bundleCells[nest].Nrays;++i)
{
rot_ray_radec2xy(&(bundleCells[nest].rays[i]),&(bundleCells[nest].rotData));
}
}
}
status = H5Sclose(dataspace_id);
assert(status >= 0);
status = H5Dclose(dataset_id);
assert(status >= 0);
status = H5Fclose(file_id);
assert(status >= 0);
status = H5Tclose(memRayTypeId);
assert(status >= 0);
free(StartRaysInPeanoCell);
free(NumRaysInPeanoCell);
}
*/
/* write ratys to disk in HDF5 format
inspired by Gadget-2
*/
void write_rays(void)
{
long group,NumGroups,i,j;
long *firstTaskFiles,*lastTaskFiles,fileNum=-1;
MPI_Comm fileComm;
MPI_Group worldGroup,fileGroup;
int *ranks,Nranks;
double t;
t = -MPI_Wtime();
firstTaskFiles = (long*)malloc(sizeof(long)*rayTraceData.NumRayOutputFiles);
assert(firstTaskFiles != NULL);
lastTaskFiles = (long*)malloc(sizeof(long)*rayTraceData.NumRayOutputFiles);
assert(lastTaskFiles != NULL);
get_ray_iodecomp(firstTaskFiles,lastTaskFiles,&fileNum);
/*#ifdef DEBUG
#if DEBUG_LEVEL > 1
fprintf(stderr,"%d: before new comm - fileNum = %ld, my group = %ld, first,last = %ld|%ld\n",ThisTask,fileNum,fileNum/rayTraceData.NumFilesIOInParallel,
firstTaskFiles[fileNum],lastTaskFiles[fileNum]);
#endif
#endif
*/
/*make communicators for each file*/
MPI_Comm_group(MPI_COMM_WORLD,&worldGroup);
Nranks = lastTaskFiles[fileNum]-firstTaskFiles[fileNum]+1;
ranks = (int*)malloc(sizeof(int)*Nranks);
assert(ranks != NULL);
for(i=0;i<Nranks;++i)
ranks[i] = firstTaskFiles[fileNum] + i;
MPI_Group_incl(worldGroup,Nranks,ranks,&fileGroup);
MPI_Comm_create(MPI_COMM_WORLD,fileGroup,&fileComm);
/*#ifdef DEBUG
#if DEBUG_LEVEL > 1
fprintf(stderr,"%d: after new comm - fileNum = %ld, my group = %ld, first,last = %ld|%ld\n",ThisTask,fileNum,fileNum/rayTraceData.NumFilesIOInParallel,
firstTaskFiles[fileNum],lastTaskFiles[fileNum]);
#endif
#endif
*/
/* convert all rays to ra-dec basis*/
for(i=0;i<NbundleCells;++i)
{
if(ISSETBITFLAG(bundleCells[i].active,PRIMARY_BUNDLECELL))
{
for(j=0;j<bundleCells[i].Nrays;++j)
{
paratrans_ray_curr2obs(&(bundleCells[i].rays[j]));
rot_ray_ang2radec(&(bundleCells[i].rays[j]));
}
}
}
NumGroups = rayTraceData.NumRayOutputFiles/rayTraceData.NumFilesIOInParallel;
if(rayTraceData.NumRayOutputFiles - NumGroups*rayTraceData.NumFilesIOInParallel > 0)
++NumGroups;
for(group=0;group<NumGroups;++group)
{
if(fileNum/rayTraceData.NumFilesIOInParallel == group)
{
#ifdef DEBUG
#if DEBUG_LEVEL > 1
fprintf(stderr,"%d: doing write - group = %ld, fileNum = %ld, my group = %ld\n",ThisTask,group,fileNum,fileNum/rayTraceData.NumFilesIOInParallel);
#endif
#endif
#ifdef USE_FITS_RAYOUT
file_write_rays2fits(fileNum,firstTaskFiles[fileNum],lastTaskFiles[fileNum],fileComm);
#else
file_write_rays2bin(fileNum,firstTaskFiles[fileNum],lastTaskFiles[fileNum],fileComm);
#endif
}
/*\\\\\\\\\\\\\\\\\\\\\\\\\\*/
MPI_Barrier(MPI_COMM_WORLD);
/*\\\\\\\\\\\\\\\\\\\\\\\\\\*/
}
/* convert all rays back to theta-phi basis*/
for(i=0;i<NbundleCells;++i)
{
if(ISSETBITFLAG(bundleCells[i].active,PRIMARY_BUNDLECELL))
{
for(j=0;j<bundleCells[i].Nrays;++j)
{
rot_ray_radec2ang(&(bundleCells[i].rays[j]));
paratrans_ray_obs2curr(&(bundleCells[i].rays[j]));
}
}
}
free(firstTaskFiles);
free(lastTaskFiles);
free(ranks);
MPI_Comm_free(&fileComm);
MPI_Group_free(&fileGroup);
MPI_Group_free(&worldGroup);
t += MPI_Wtime();
if(ThisTask == 0)
fprintf(stderr,"writing rays to disk took %lf seconds.\n",t);
}
#ifdef USE_FITS_RAYOUT
/* does the actual write of the file */
static void file_write_rays2fits(long fileNum, long firstTask, long lastTask, MPI_Comm fileComm)
{
const char *ttype[] =
{ "nest", "ra", "dec", "A00", "A01", "A10", "A11"
#ifdef OUTPUTRAYDEFLECTIONS
, "alpha0", "alpha1"
#endif
#ifdef OUTPUTPHI
, "phi"
#endif
};
const char *tform[] =
{ "K", "D", "D", "D", "D", "D", "D"
#ifdef OUTPUTRAYDEFLECTIONS
, "D", "D"
#endif
#ifdef OUTPUTPHI
, "D"
#endif
};
char name[MAX_FILENAME];
char bangname[MAX_FILENAME];
long NumRaysInFile,i,j;
long *NumRaysInPeanoCell,*StartRaysInPeanoCell,peano;
fitsfile *fptr;
int status = 0;
int naxis = 1;
long naxes[1],fpixel[1];
LONGLONG nrows;
int tfields,colnum;
long k,chunkInd,firstInd,lastInd,NumRaysInChunkBase,NumRaysInChunk,NumChunks;
LONGLONG firstrow,firstelem,nelements;
double *darr;
long *larr;
char *buff;
double ra,dec;
long nwc=0,NtotToRecv,nw=0,nwg=0,rpeano,rowloc;
MPI_Status mpistatus;
double t0 = 0.0;
sprintf(name,"%s/%s%04ld.%04ld",rayTraceData.OutputPath,rayTraceData.RayOutputName,rayTraceData.CurrentPlaneNum,fileNum);
sprintf(bangname,"!%s",name);
/* build fits table layout*/
tfields = 7;
#ifdef OUTPUTRAYDEFLECTIONS
tfields += 2;
#endif
#ifdef OUTPUTPHI
tfields += 1;
#endif
/* build file layout*/
NumRaysInPeanoCell = (long*)malloc(sizeof(long)*NbundleCells);
assert(NumRaysInPeanoCell != NULL);
StartRaysInPeanoCell = (long*)malloc(sizeof(long)*NbundleCells);
assert(StartRaysInPeanoCell != NULL);
for(i=0;i<NbundleCells;++i)
StartRaysInPeanoCell[i] = 0;
for(i=0;i<NbundleCells;++i)
{
if(ISSETBITFLAG(bundleCells[i].active,PRIMARY_BUNDLECELL))
{
peano = nest2peano(bundleCells[i].nest,rayTraceData.bundleOrder);
StartRaysInPeanoCell[peano] = bundleCells[i].Nrays;
nwc += bundleCells[i].Nrays;
}
}
MPI_Allreduce(StartRaysInPeanoCell,NumRaysInPeanoCell,(int) NbundleCells,MPI_LONG,MPI_SUM,fileComm);
j = 0;
for(i=0;i<NbundleCells;++i)
{
StartRaysInPeanoCell[i] = j;
j += NumRaysInPeanoCell[i];
}
NumRaysInFile = j;
/* make the file and write header info */
if(ThisTask == firstTask)
{
t0 = -MPI_Wtime();
remove(name);
fits_create_file(&fptr,bangname,&status);
if(status)
fits_report_error(stderr,status);
naxes[0] = 2l*NbundleCells;
fits_create_img(fptr,LONGLONG_IMG,naxis,naxes,&status);
if(status)
fits_report_error(stderr,status);
fpixel[0] = 0+1;
fits_write_pix(fptr,TLONG,fpixel,(LONGLONG) (NbundleCells),NumRaysInPeanoCell,&status);
if(status)
fits_report_error(stderr,status);
fpixel[0] = NbundleCells+1;
fits_write_pix(fptr,TLONG,fpixel,(LONGLONG) (NbundleCells),StartRaysInPeanoCell,&status);
if(status)
fits_report_error(stderr,status);
fits_write_key(fptr,TLONG,"NumFiles",&(rayTraceData.NumRayOutputFiles),"number of files that rays are split into",&status);
if(status)
fits_report_error(stderr,status);
fits_write_key(fptr,TLONG,"PeanoCellHEALPixOrder",&(rayTraceData.bundleOrder),"HEALPix order of peano indexed cells rays are organized into",&status);
if(status)
fits_report_error(stderr,status);
fits_write_key(fptr,TLONG,"RayHEALPixOrder",&(rayTraceData.rayOrder),"HEALPix order of ray grid",&status);
if(status)
fits_report_error(stderr,status);
nrows = (LONGLONG) (NumRaysInFile);
fits_create_tbl(fptr,BINARY_TBL,nrows,tfields,ttype,tform,NULL,"Rays",&status);
if(status)
fits_report_error(stderr,status);
fits_get_rowsize(fptr,&NumRaysInChunkBase,&status);
if(status)
fits_report_error(stderr,status);
}
MPI_Bcast(&NumRaysInChunkBase,1,MPI_LONG,0,fileComm);
if(sizeof(long) > sizeof(double))
buff = (char*)malloc(sizeof(long)*NumRaysInChunkBase);
else
buff = (char*)malloc(sizeof(double)*NumRaysInChunkBase);
assert(buff != NULL);
darr = (double*) buff;
larr = (long*) buff;
for(i=firstTask;i<=lastTask;++i)
{
if(ThisTask == i)
{
#ifdef DEBUG
#if DEBUG_LEVEL > 0
fprintf(stderr,"%d: fileNum = %ld, first,last = %ld|%ld\n",ThisTask,fileNum,firstTask,lastTask);
#endif
#endif
if(ThisTask != firstTask)
MPI_Send(&nwc,1,MPI_LONG,(int) firstTask,TAG_RAYIO_TOTNUM,MPI_COMM_WORLD);
for(rpeano=0;rpeano<NrestrictedPeanoInd;++rpeano)
{
j = bundleCellsRestrictedPeanoInd2Nest[rpeano];
if(ISSETBITFLAG(bundleCells[j].active,PRIMARY_BUNDLECELL))
{
peano = nest2peano(bundleCells[j].nest,rayTraceData.bundleOrder);
assert(NumRaysInPeanoCell[peano] == ((1l) << (2*(rayTraceData.rayOrder-rayTraceData.bundleOrder))));
assert((StartRaysInPeanoCell[peano] -
((StartRaysInPeanoCell[peano])/(((1l) << (2*(rayTraceData.rayOrder-rayTraceData.bundleOrder)))))
*(((1l) << (2*(rayTraceData.rayOrder-rayTraceData.bundleOrder))))) == 0);
NumChunks = NumRaysInPeanoCell[peano]/NumRaysInChunkBase;
if(NumChunks*NumRaysInChunkBase < NumRaysInPeanoCell[peano])
NumChunks += 1;
firstrow = (LONGLONG) (StartRaysInPeanoCell[peano]) + (LONGLONG) 1;
firstelem = 1;
for(chunkInd=0;chunkInd<NumChunks;++chunkInd)
{
firstInd = chunkInd*NumRaysInChunkBase;
lastInd = (chunkInd+1)*NumRaysInChunkBase-1;
if(lastInd >= NumRaysInPeanoCell[peano]-1)
lastInd = NumRaysInPeanoCell[peano]-1;
NumRaysInChunk = lastInd - firstInd + 1;
nelements = (LONGLONG) NumRaysInChunk;
nw += NumRaysInChunk;
if(ThisTask != firstTask)
{
rowloc = firstrow;
MPI_Send(&rowloc,1,MPI_LONG,(int) firstTask,TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD);
MPI_Send(&NumRaysInChunk,1,MPI_LONG,(int) firstTask,TAG_RAYIO_NUMCHUNK,MPI_COMM_WORLD);
colnum = TAG_RAYIO_CHUNKDATA+1;
for(k=firstInd;k<=lastInd;++k)
larr[k-firstInd] = bundleCells[j].rays[k].nest;
MPI_Ssend(larr,(int) NumRaysInChunk,MPI_LONG,(int) firstTask,colnum,MPI_COMM_WORLD);
++colnum;
for(k=firstInd;k<=lastInd;++k)
{
vec2radec(bundleCells[j].rays[k].n,&ra,&dec);
darr[k-firstInd] = ra;
}
MPI_Ssend(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) firstTask,colnum,MPI_COMM_WORLD);
++colnum;
for(k=firstInd;k<=lastInd;++k)
{
vec2radec(bundleCells[j].rays[k].n,&ra,&dec);
darr[k-firstInd] = dec;
}
MPI_Ssend(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) firstTask,colnum,MPI_COMM_WORLD);
++colnum;
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].A[2*0+0];
MPI_Ssend(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) firstTask,colnum,MPI_COMM_WORLD);
++colnum;
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].A[2*0+1];
MPI_Ssend(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) firstTask,colnum,MPI_COMM_WORLD);
++colnum;
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].A[2*1+0];
MPI_Ssend(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) firstTask,colnum,MPI_COMM_WORLD);
++colnum;
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].A[2*1+1];
MPI_Ssend(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) firstTask,colnum,MPI_COMM_WORLD);
++colnum;
#ifdef OUTPUTRAYDEFLECTIONS
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].alpha[0];
MPI_Ssend(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) firstTask,colnum,MPI_COMM_WORLD);
++colnum;
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].alpha[1];
MPI_Ssend(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) firstTask,colnum,MPI_COMM_WORLD);
++colnum;
#endif
#ifdef OUTPUTPHI
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].phi;
MPI_Ssend(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) firstTask,colnum,MPI_COMM_WORLD);
++colnum;
#endif
firstrow += nelements;
}
else
{
colnum = 1;
for(k=firstInd;k<=lastInd;++k)
larr[k-firstInd] = bundleCells[j].rays[k].nest;
fits_write_col(fptr,TLONG,colnum,firstrow,firstelem,nelements,larr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
for(k=firstInd;k<=lastInd;++k)
{
vec2radec(bundleCells[j].rays[k].n,&ra,&dec);
darr[k-firstInd] = ra;
}
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
for(k=firstInd;k<=lastInd;++k)
{
vec2radec(bundleCells[j].rays[k].n,&ra,&dec);
darr[k-firstInd] = dec;
}
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].A[2*0+0];
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].A[2*0+1];
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].A[2*1+0];
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].A[2*1+1];
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
#ifdef OUTPUTRAYDEFLECTIONS
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].alpha[0];
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].alpha[1];
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
#endif
#ifdef OUTPUTPHI
for(k=firstInd;k<=lastInd;++k)
darr[k-firstInd] = bundleCells[j].rays[k].phi;
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
#endif
firstrow += nelements;
}
}// for(chunkInd=0;chunkInd<NumChunks;++chunkInd)
} //if(ISSETBITFLAG(bundleCells[j].active,PRIMARY_BUNDLECELL)).
} //for(j=0;j<NbundleCells;++j)
} //if(ThisTask == i)
if(i != firstTask && ThisTask == firstTask)
{
MPI_Recv(&NtotToRecv,1,MPI_LONG,(int) i,TAG_RAYIO_TOTNUM,MPI_COMM_WORLD,&mpistatus);
firstelem = 1;
while(NtotToRecv > 0)
{
MPI_Recv(&rowloc,1,MPI_LONG,(int) i,TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
MPI_Recv(&NumRaysInChunk,1,MPI_LONG,(int) i,TAG_RAYIO_NUMCHUNK,MPI_COMM_WORLD,&mpistatus);
firstrow = (LONGLONG) (rowloc);
nelements = (LONGLONG) NumRaysInChunk;
colnum = 1;
MPI_Recv(larr,(int) NumRaysInChunk,MPI_LONG,(int) i,colnum+TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
fits_write_col(fptr,TLONG,colnum,firstrow,firstelem,nelements,larr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
MPI_Recv(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) i,colnum+TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
MPI_Recv(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) i,colnum+TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
MPI_Recv(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) i,colnum+TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
MPI_Recv(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) i,colnum+TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
MPI_Recv(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) i,colnum+TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
MPI_Recv(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) i,colnum+TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
#ifdef OUTPUTRAYDEFLECTIONS
MPI_Recv(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) i,colnum+TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
MPI_Recv(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) i,colnum+TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
#endif
#ifdef OUTPUTPHI
MPI_Recv(darr,(int) NumRaysInChunk,MPI_DOUBLE,(int) i,colnum+TAG_RAYIO_CHUNKDATA,MPI_COMM_WORLD,&mpistatus);
fits_write_col(fptr,TDOUBLE,colnum,firstrow,firstelem,nelements,darr,&status);
if(status)
fits_report_error(stderr,status);
++colnum;
#endif
nwg += NumRaysInChunk;
NtotToRecv -= NumRaysInChunk;
}
}
//////////////////////////////
MPI_Barrier(fileComm);
//////////////////////////////
}
if(ThisTask == firstTask)
{
fits_close_file(fptr,&status);
if(status)
fits_report_error(stderr,status);
t0 += MPI_Wtime();
#ifdef DEBUG
fprintf(stderr,"writing %ld rays to file '%s' took %g seconds.\n",NumRaysInFile,name,t0);
#endif
assert(nwg == NumRaysInFile-nw); //error check # of rays recvd
}
//error check # of rays written
MPI_Allreduce(&nw,&nwg,1,MPI_LONG,MPI_SUM,fileComm);
assert(nw == nwc);
assert(nwg == NumRaysInFile);
//clean up and close files for this task
free(buff);
free(StartRaysInPeanoCell);
free(NumRaysInPeanoCell);
}
#else
static size_t fwrite_errcheck(const void *ptr, size_t size, size_t nobj, FILE *stream)
{
size_t nret;
nret = fwrite(ptr,size,nobj,stream);
if(nret != nobj)
{
fprintf(stderr,"%d: problem writing to file! size = %zu, nobj = %zu, # written = %zu\n",ThisTask,size,nobj,nret);
MPI_Abort(MPI_COMM_WORLD,666);
}
return nret;
}
/* does the actual write of the file */
static void file_write_rays2bin(long fileNum, long firstTask, long lastTask, MPI_Comm fileComm)
{
char name[MAX_FILENAME];
long NumRaysInFile,i,j;
long *NumRaysInPeanoCell,*StartRaysInPeanoCell,peano,rpeano;
size_t buffSizeMB = 10;
MPI_Status status;
char *chunkRays;
long k,chunkInd,firstInd,lastInd,NumRaysInChunkBase,NumRaysInChunk,NumChunks;
double ra,dec;
long nw=0,nwg=0,nwc=0,NtotToRecv;
struct IOheader {
long NumFiles;
long PeanoCellHEALPixOrder;
long RayHEALPixOrder;
long flag_defl;
long flag_phi;
char pad[216]; //pad to 256 bytes
} header;
int dummy;
FILE *fp = NULL;
double t0 = 0.0;
size_t rays = 0;
rays += sizeof(long);
rays += 2*sizeof(double);
rays += 4*sizeof(double);
#ifdef OUTPUTRAYDEFLECTIONS
rays += 2*sizeof(double);
#endif
#ifdef OUTPUTPHI
rays += sizeof(double);
#endif
sprintf(name,"%s/%s%04ld.%04ld",rayTraceData.OutputPath,rayTraceData.RayOutputName,rayTraceData.CurrentPlaneNum,fileNum);
NumRaysInChunkBase = buffSizeMB*1024l*1024l/rays;
chunkRays = (char*)malloc(rays*NumRaysInChunkBase);
assert(chunkRays != NULL);
/* build file layout*/
NumRaysInPeanoCell = (long*)malloc(sizeof(long)*NbundleCells);
assert(NumRaysInPeanoCell != NULL);
StartRaysInPeanoCell = (long*)malloc(sizeof(long)*NbundleCells);
assert(StartRaysInPeanoCell != NULL);
for(i=0;i<NbundleCells;++i)
StartRaysInPeanoCell[i] = 0;
for(i=0;i<NbundleCells;++i)
{
if(ISSETBITFLAG(bundleCells[i].active,PRIMARY_BUNDLECELL))
{
peano = nest2peano(bundleCells[i].nest,rayTraceData.bundleOrder);
StartRaysInPeanoCell[peano] = bundleCells[i].Nrays;
nwc += bundleCells[i].Nrays;
}
}
MPI_Allreduce(StartRaysInPeanoCell,NumRaysInPeanoCell,(int) NbundleCells,MPI_LONG,MPI_SUM,fileComm);
j = 0;
for(i=0;i<NbundleCells;++i)
{
StartRaysInPeanoCell[i] = j;
j += NumRaysInPeanoCell[i];
}
NumRaysInFile = j;
//set header
header.NumFiles = rayTraceData.NumRayOutputFiles;
header.PeanoCellHEALPixOrder = rayTraceData.bundleOrder;
header.RayHEALPixOrder = rayTraceData.rayOrder;
#ifdef OUTPUTRAYDEFLECTIONS
header.flag_defl = 1;
#else
header.flag_defl = 0;
#endif
#ifdef OUTPUTPHI
header.flag_phi = 1;
#else
header.flag_phi = 0;
#endif
/* make the file and write header info */
if(ThisTask == firstTask)
{
t0 = -MPI_Wtime();
fp = fopen(name,"w");
if(fp == NULL)
{
fprintf(stderr,"%d: could not open file '%s' for header!\n",ThisTask,name);
MPI_Abort(MPI_COMM_WORLD,666);
}
dummy = sizeof(struct IOheader);
fwrite_errcheck(&dummy,(size_t) 1,sizeof(int),fp);
fwrite_errcheck(&header,(size_t) 1,sizeof(struct IOheader),fp);
fwrite_errcheck(&dummy,(size_t) 1,sizeof(int),fp);
dummy = NbundleCells*sizeof(long);
fwrite_errcheck(&dummy,(size_t) 1,sizeof(int),fp);
fwrite_errcheck(NumRaysInPeanoCell,(size_t) NbundleCells,sizeof(long),fp);
fwrite_errcheck(&dummy,(size_t) 1,sizeof(int),fp);
dummy = NbundleCells*sizeof(long);
fwrite_errcheck(&dummy,(size_t) 1,sizeof(int),fp);
fwrite_errcheck(StartRaysInPeanoCell,(size_t) NbundleCells,sizeof(long),fp);
fwrite_errcheck(&dummy,(size_t) 1,sizeof(int),fp);
dummy = NumRaysInFile*rays;
fwrite_errcheck(&dummy,(size_t) 1,sizeof(int),fp);
}
for(i=firstTask;i<=lastTask;++i)
{
if(ThisTask == i)
{
#ifdef DEBUG
#if DEBUG_LEVEL > 0
fprintf(stderr,"%d: fileNum = %ld, first,last = %ld|%ld\n",ThisTask,fileNum,firstTask,lastTask);
#endif
#endif
if(ThisTask != firstTask)
{
MPI_Send(&nwc,1,MPI_LONG,(int) firstTask,TAG_RAYIO_TOTNUM,MPI_COMM_WORLD);
}
for(rpeano=0;rpeano<NrestrictedPeanoInd;++rpeano)
{
j = bundleCellsRestrictedPeanoInd2Nest[rpeano];
if(ISSETBITFLAG(bundleCells[j].active,PRIMARY_BUNDLECELL))
{
peano = nest2peano(bundleCells[j].nest,rayTraceData.bundleOrder);
assert(NumRaysInPeanoCell[peano] == ((1l) << (2*(rayTraceData.rayOrder-rayTraceData.bundleOrder))));
assert((StartRaysInPeanoCell[peano] -
((StartRaysInPeanoCell[peano])/(((1l) << (2*(rayTraceData.rayOrder-rayTraceData.bundleOrder)))))
*(((1l) << (2*(rayTraceData.rayOrder-rayTraceData.bundleOrder))))) == 0);
NumChunks = NumRaysInPeanoCell[peano]/NumRaysInChunkBase;
if(NumChunks*NumRaysInChunkBase < NumRaysInPeanoCell[peano])
NumChunks += 1;
for(chunkInd=0;chunkInd<NumChunks;++chunkInd)
{
firstInd = chunkInd*NumRaysInChunkBase;
lastInd = (chunkInd+1)*NumRaysInChunkBase-1;
if(lastInd >= NumRaysInPeanoCell[peano]-1)
lastInd = NumRaysInPeanoCell[peano]-1;
NumRaysInChunk = lastInd - firstInd + 1;
for(k=firstInd;k<=lastInd;++k)
{
++nw;
vec2radec(bundleCells[j].rays[k].n,&ra,&dec);
*((long*) (&(chunkRays[(k-firstInd)*rays]))) = bundleCells[j].rays[k].nest;
*((double*) (&(chunkRays[(k-firstInd)*rays + sizeof(long)]))) = ra;
*((double*) (&(chunkRays[(k-firstInd)*rays + sizeof(long) + sizeof(double)]))) = dec;
*((double*) (&(chunkRays[(k-firstInd)*rays + sizeof(long) + 2*sizeof(double)]))) = bundleCells[j].rays[k].A[0];
*((double*) (&(chunkRays[(k-firstInd)*rays + sizeof(long) + 2*sizeof(double) + sizeof(double)]))) = bundleCells[j].rays[k].A[1];
*((double*) (&(chunkRays[(k-firstInd)*rays + sizeof(long) + 2*sizeof(double) + 2*sizeof(double)]))) = bundleCells[j].rays[k].A[2];
*((double*) (&(chunkRays[(k-firstInd)*rays + sizeof(long) + 2*sizeof(double) + 3*sizeof(double)]))) = bundleCells[j].rays[k].A[3];
#ifdef OUTPUTRAYDEFLECTIONS
*((double*) (&(chunkRays[(k-firstInd)*rays + sizeof(long) + 2*sizeof(double) + 4*sizeof(double)]))) = bundleCells[j].rays[k].alpha[0];
*((double*) (&(chunkRays[(k-firstInd)*rays + sizeof(long) + 2*sizeof(double) + 4*sizeof(double) + sizeof(double)]))) = bundleCells[j].rays[k].alpha[1];
#endif
#ifdef OUTPUTPHI
*((double*) (&(chunkRays[(k-firstInd)*rays + sizeof(long) + 2*sizeof(double) + 4*sizeof(double) + 2*sizeof(double)]))) = bundleCells[j].rays[k].phi;