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EnhancedSolver port complete

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This commit is contained in:
Aditya Ujeniya
2024-07-27 02:19:56 +02:00
parent 8091c714e2
commit d81313f293
199 changed files with 16030 additions and 310 deletions
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EnhancedSolver/3D-mpi/src/vtkWriter-mpi.c Normal file
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/*
* Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
* All rights reserved. This file is part of nusif-solver.
* Use of this source code is governed by a MIT style
* license that can be found in the LICENSE file.
*/
#include <mpi.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "allocate.h"
#include "comm.h"
#include "vtkWriter.h"
// reset fileview for output of string headers
static void resetFileview(VtkOptions* o)
{
MPI_Offset disp;
MPI_File_sync(o->fh);
MPI_Barrier(o->comm.comm);
MPI_File_get_size(o->fh, &disp);
MPI_File_set_view(o->fh, disp, MPI_CHAR, MPI_CHAR, "native", MPI_INFO_NULL);
}
static void writeVersion(VtkOptions* o)
{
char header[50] = "# vtk DataFile Version 3.0\n";
// always overwrite exiting files
MPI_File_set_view(o->fh, 0, MPI_CHAR, MPI_CHAR, "native", MPI_INFO_NULL);
if (commIsMaster(&o->comm)) {
MPI_File_write(o->fh, header, (int)strlen(header), MPI_CHAR, MPI_STATUS_IGNORE);
}
}
static void writeHeader(VtkOptions* o)
{
char header[400];
char* cursor = header;
cursor += sprintf(cursor, "PAMPI cfd solver output\n");
cursor += sprintf(cursor, "BINARY\n");
cursor += sprintf(cursor, "DATASET STRUCTURED_POINTS\n");
cursor += sprintf(cursor,
"DIMENSIONS %d %d %d\n",
o->grid->imax,
o->grid->jmax,
o->grid->kmax);
cursor += sprintf(cursor,
"ORIGIN %f %f %f\n",
o->grid->dx * 0.5,
o->grid->dy * 0.5,
o->grid->dz * 0.5);
cursor += sprintf(cursor, "SPACING %f %f %f\n", o->grid->dx, o->grid->dy, o->grid->dz);
cursor += sprintf(cursor,
"POINT_DATA %d\n",
o->grid->imax * o->grid->jmax * o->grid->kmax);
if (commIsMaster(&o->comm)) {
MPI_File_write(o->fh, header, (int)strlen(header), MPI_CHAR, MPI_STATUS_IGNORE);
}
}
void vtkOpen(VtkOptions* o, char* problem)
{
char filename[50];
snprintf(filename, 50, "%s-p%d.vtk", problem, o->comm.size);
MPI_File_open(o->comm.comm,
filename,
MPI_MODE_WRONLY | MPI_MODE_CREATE,
MPI_INFO_NULL,
&o->fh);
if (commIsMaster(&o->comm)) {
printf("Writing VTK output for %s\n", problem);
}
writeVersion(o);
writeHeader(o);
}
void vtkScalar(VtkOptions* o, char* name, double* s)
{
resetFileview(o);
if (commIsMaster(&o->comm)) printf("Register scalar %s\n", name);
char header[100];
char* cursor = header;
cursor += sprintf(cursor, "SCALARS %s double\n", name);
if (commIsMaster(&o->comm)) {
MPI_File_write(o->fh, header, (int)strlen(header), MPI_CHAR, MPI_STATUS_IGNORE);
}
int offsets[NDIMS];
commGetOffsets(&o->comm, offsets, o->grid->kmax, o->grid->jmax, o->grid->imax);
// set global view in file
MPI_Offset disp;
MPI_Datatype fileViewType;
MPI_File_sync(o->fh);
MPI_Barrier(o->comm.comm);
MPI_File_get_size(o->fh, &disp);
MPI_Type_create_subarray(NDIMS,
(int[NDIMS]) { o->grid->kmax, o->grid->jmax, o->grid->imax },
(int[NDIMS]) { o->comm.kmaxLocal, o->comm.jmaxLocal, o->comm.imaxLocal },
offsets,
MPI_ORDER_C,
MPI_DOUBLE,
&fileViewType);
MPI_Type_commit(&fileViewType);
MPI_File_set_view(o->fh, disp, MPI_DOUBLE, fileViewType, "external32", MPI_INFO_NULL);
#ifdef VERBOSE
printf("Rank: %d, Disp: %lld, Size(k,j,i): %d %d %d, Offset(k,j,i): %d %d %d\n",
o->comm.rank,
disp,
o->comm.kmaxLocal,
o->comm.jmaxLocal,
o->comm.imaxLocal,
offsets[KDIM],
offsets[JDIM],
offsets[IDIM]);
#endif
// create local bulk type
MPI_Datatype bulkType;
MPI_Type_create_subarray(NDIMS,
(int[NDIMS]) { o->comm.kmaxLocal + 2,
o->comm.jmaxLocal + 2,
o->comm.imaxLocal + 2 }, // oldsizes
(int[NDIMS]) { o->comm.kmaxLocal,
o->comm.jmaxLocal,
o->comm.imaxLocal }, // newsizes
(int[NDIMS]) { 1, 1, 1 }, // offsets
MPI_ORDER_C,
MPI_DOUBLE,
&bulkType);
MPI_Type_commit(&bulkType);
MPI_File_write(o->fh, s, 1, bulkType, MPI_STATUS_IGNORE);
MPI_Type_free(&bulkType);
MPI_Type_free(&fileViewType);
// Binary segment must be terminated with newline character
resetFileview(o);
if (commIsMaster(&o->comm)) {
MPI_File_write(o->fh, "\n", 1, MPI_CHAR, MPI_STATUS_IGNORE);
}
}
#define G(v, i, j, k) \
v[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
void vtkVector(VtkOptions* o, char* name, VtkVector vec)
{
int imaxLocal = o->comm.imaxLocal;
int jmaxLocal = o->comm.jmaxLocal;
int kmaxLocal = o->comm.kmaxLocal;
if (commIsMaster(&o->comm)) printf("Register vector %s\n", name);
const size_t MAX_HEADER = 100;
char* header = (char*)malloc(MAX_HEADER);
sprintf(header, "VECTORS %s double\n", name);
resetFileview(o);
if (commIsMaster(&o->comm)) {
MPI_File_write(o->fh, header, (int)strlen(header), MPI_CHAR, MPI_STATUS_IGNORE);
}
int offsets[NDIMS];
commGetOffsets(&o->comm, offsets, o->grid->kmax, o->grid->jmax, o->grid->imax);
// set global view in file
MPI_Offset disp;
MPI_Datatype fileViewType, vectorType;
MPI_File_sync(o->fh);
MPI_Barrier(o->comm.comm);
MPI_File_get_size(o->fh, &disp);
MPI_Type_contiguous(NDIMS, MPI_DOUBLE, &vectorType);
MPI_Type_commit(&vectorType);
MPI_Type_create_subarray(NDIMS,
(int[NDIMS]) { o->grid->kmax, o->grid->jmax, o->grid->imax },
(int[NDIMS]) { kmaxLocal, jmaxLocal, imaxLocal },
offsets,
MPI_ORDER_C,
vectorType,
&fileViewType);
MPI_Type_commit(&fileViewType);
MPI_File_set_view(o->fh, disp, MPI_DOUBLE, fileViewType, "external32", MPI_INFO_NULL);
size_t cnt = imaxLocal * jmaxLocal * kmaxLocal;
double* tmp = allocate(64, cnt * NDIMS * sizeof(double));
int idx = 0;
for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) {
tmp[idx++] = (G(vec.u, i, j, k) + G(vec.u, i - 1, j, k)) / 2.0;
tmp[idx++] = (G(vec.v, i, j, k) + G(vec.v, i, j - 1, k)) / 2.0;
tmp[idx++] = (G(vec.w, i, j, k) + G(vec.w, i, j, k - 1)) / 2.0;
}
}
}
if (commIsMaster(&o->comm)) printf("Write %d vectors\n", (int)cnt);
MPI_File_write(o->fh, tmp, cnt, vectorType, MPI_STATUS_IGNORE);
MPI_Type_free(&fileViewType);
MPI_Type_free(&vectorType);
// Binary segment must be terminated with newline character
resetFileview(o);
if (commIsMaster(&o->comm)) {
MPI_File_write(o->fh, "\n", 1, MPI_CHAR, MPI_STATUS_IGNORE);
}
}
void vtkClose(VtkOptions* o) { MPI_File_close(&o->fh); }