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Fix indices. Introduce cdim index for data types

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This commit is contained in:
Jan Eitzinger
2024-02-13 09:02:34 +01:00
parent 3e020396c5
commit 5d33bb9d57
4 changed files with 39 additions and 38 deletions
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2
BasicSolver/2D-mpi/config.mk
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@@ -2,7 +2,7 @@
TAG ?= CLANG
ENABLE_MPI ?= true
ENABLE_OPENMP ?= false
COMM_TYPE ?= v2
COMM_TYPE ?= v3
#Feature options
OPTIONS += -DARRAY_ALIGNMENT=64

28
BasicSolver/2D-mpi/src/comm-v2.c
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@@ -42,18 +42,18 @@ static void assembleResult(Comm* c, double* src, double* dst, int imax, int jmax
int starts[NDIMS] = { 1, 1 };
if (commIsBoundary(c, LEFT)) {
newSizes[IDIM] += 1;
starts[IDIM] = 0;
newSizes[CIDIM] += 1;
starts[CIDIM] = 0;
}
if (commIsBoundary(c, RIGHT)) {
newSizes[IDIM] += 1;
newSizes[CIDIM] += 1;
}
if (commIsBoundary(c, BOTTOM)) {
newSizes[JDIM] += 1;
starts[JDIM] = 0;
newSizes[CJDIM] += 1;
starts[CJDIM] = 0;
}
if (commIsBoundary(c, TOP)) {
newSizes[JDIM] += 1;
newSizes[CJDIM] += 1;
}
MPI_Type_create_subarray(NDIMS,
@@ -68,8 +68,8 @@ static void assembleResult(Comm* c, double* src, double* dst, int imax, int jmax
int newSizesI[c->size];
int newSizesJ[c->size];
MPI_Gather(&newSizes[IDIM], 1, MPI_INT, newSizesI, 1, MPI_INT, 0, MPI_COMM_WORLD);
MPI_Gather(&newSizes[JDIM], 1, MPI_INT, newSizesJ, 1, MPI_INT, 0, MPI_COMM_WORLD);
MPI_Gather(&newSizes[CIDIM], 1, MPI_INT, newSizesI, 1, MPI_INT, 0, MPI_COMM_WORLD);
MPI_Gather(&newSizes[CJDIM], 1, MPI_INT, newSizesJ, 1, MPI_INT, 0, MPI_COMM_WORLD);
/* rank 0 assembles the subdomains */
if (c->rank == 0) {
@@ -87,12 +87,12 @@ static void assembleResult(Comm* c, double* src, double* dst, int imax, int jmax
i,
coords[IDIM],
coords[JDIM],
oldSizes[IDIM],
oldSizes[JDIM],
newSizes[IDIM],
newSizes[JDIM],
starts[IDIM],
starts[JDIM]);
oldSizes[CIDIM],
oldSizes[CJDIM],
newSizes[CIDIM],
newSizes[CJDIM],
starts[CIDIM],
starts[CJDIM]);
MPI_Type_create_subarray(NDIMS,
oldSizes,

44
BasicSolver/2D-mpi/src/comm-v3.c
View File

@@ -42,18 +42,18 @@ static void assembleResult(Comm* c, double* src, double* dst, int imax, int jmax
int starts[NDIMS] = { 1, 1 };
if (commIsBoundary(c, LEFT)) {
newSizes[IDIM] += 1;
starts[IDIM] = 0;
newSizes[CIDIM] += 1;
starts[CIDIM] = 0;
}
if (commIsBoundary(c, RIGHT)) {
newSizes[IDIM] += 1;
newSizes[CIDIM] += 1;
}
if (commIsBoundary(c, BOTTOM)) {
newSizes[JDIM] += 1;
starts[JDIM] = 0;
newSizes[CJDIM] += 1;
starts[CJDIM] = 0;
}
if (commIsBoundary(c, TOP)) {
newSizes[JDIM] += 1;
newSizes[CJDIM] += 1;
}
MPI_Type_create_subarray(NDIMS,
@@ -68,8 +68,8 @@ static void assembleResult(Comm* c, double* src, double* dst, int imax, int jmax
int newSizesI[c->size];
int newSizesJ[c->size];
MPI_Gather(&newSizes[IDIM], 1, MPI_INT, newSizesI, 1, MPI_INT, 0, MPI_COMM_WORLD);
MPI_Gather(&newSizes[JDIM], 1, MPI_INT, newSizesJ, 1, MPI_INT, 0, MPI_COMM_WORLD);
MPI_Gather(&newSizes[CIDIM], 1, MPI_INT, newSizesI, 1, MPI_INT, 0, MPI_COMM_WORLD);
MPI_Gather(&newSizes[CJDIM], 1, MPI_INT, newSizesJ, 1, MPI_INT, 0, MPI_COMM_WORLD);
/* rank 0 assembles the subdomains */
if (c->rank == 0) {
@@ -87,12 +87,12 @@ static void assembleResult(Comm* c, double* src, double* dst, int imax, int jmax
i,
coords[IDIM],
coords[JDIM],
oldSizes[IDIM],
oldSizes[JDIM],
newSizes[IDIM],
newSizes[JDIM],
starts[IDIM],
starts[JDIM]);
oldSizes[CIDIM],
oldSizes[CJDIM],
newSizes[CIDIM],
newSizes[CJDIM],
starts[CIDIM],
starts[CJDIM]);
MPI_Type_create_subarray(NDIMS,
oldSizes,
@@ -253,15 +253,15 @@ void commPartition(Comm* c, int jmax, int imax)
c->bufferTypes[TOP] = jBufferType;
size_t dblsize = sizeof(double);
c->sdispls[LEFT] = ((imaxLocal + 2) + 1) * dblsize; // send left
c->sdispls[RIGHT] = ((imaxLocal + 2) + imaxLocal) * dblsize; // send right
c->sdispls[BOTTOM] = ((imaxLocal + 2) + 1) * dblsize; // send bottom
c->sdispls[TOP] = (jmaxLocal * (imaxLocal + 2) + 1) * dblsize; // send top
c->sdispls[LEFT] = ((imaxLocal + 2) + 1) * dblsize;
c->sdispls[RIGHT] = ((imaxLocal + 2) + imaxLocal) * dblsize;
c->sdispls[BOTTOM] = ((imaxLocal + 2) + 1) * dblsize;
c->sdispls[TOP] = (jmaxLocal * (imaxLocal + 2) + 1) * dblsize;
c->rdispls[LEFT] = (imaxLocal + 2) * dblsize; // recv left
c->rdispls[RIGHT] = ((imaxLocal + 2) + (imaxLocal + 1)) * dblsize; // recv right
c->rdispls[BOTTOM] = 1 * dblsize; // recv bottom
c->rdispls[TOP] = ((jmaxLocal + 1) * (imaxLocal + 2) + 1) * dblsize; // recv top
c->rdispls[LEFT] = (imaxLocal + 2) * dblsize;
c->rdispls[RIGHT] = ((imaxLocal + 2) + (imaxLocal + 1)) * dblsize;
c->rdispls[BOTTOM] = 1 * dblsize;
c->rdispls[TOP] = ((jmaxLocal + 1) * (imaxLocal + 2) + 1) * dblsize;
#else
c->imaxLocal = imax;
c->jmaxLocal = jmax;

3
BasicSolver/2D-mpi/src/comm.h
View File

@@ -11,7 +11,8 @@
#endif
enum direction { LEFT = 0, RIGHT, BOTTOM, TOP, NDIRS };
enum dimension { JDIM = 0, IDIM, NDIMS };
enum dimension { IDIM = 0, JDIM, NDIMS };
enum cdimension { CJDIM = 0, CIDIM };
enum layer { HALO = 0, BULK };
enum op { MAX = 0, SUM };