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handle-data.h
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handle-data.h
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#include <cassert>
#include <functional>
#include <mpi.h>
enum nbFunction {
nbf_unknown = -1,
nbf_MPI_Isend,
nbf_MPI_Issend,
nbf_MPI_Irsend,
nbf_MPI_Ibsend,
nbf_MPI_Irecv,
nbf_MPI_Send_init,
nbf_MPI_Ssend_init,
nbf_MPI_Rsend_init,
nbf_MPI_Bsend_init,
nbf_MPI_Recv_init,
nbf_MPI_Iallgather,
nbf_MPI_Iallgatherv,
nbf_MPI_Iallreduce,
nbf_MPI_Ialltoall,
nbf_MPI_Ialltoallv,
nbf_MPI_Ialltoallw,
nbf_MPI_Ibarrier,
nbf_MPI_Ibcast,
nbf_MPI_Iexscan,
nbf_MPI_Igather,
nbf_MPI_Igatherv,
nbf_MPI_Ireduce,
nbf_MPI_Ireduce_scatter,
nbf_MPI_Ireduce_scatter_block,
nbf_MPI_Iscan,
nbf_MPI_Iscatter,
nbf_MPI_Iscatterv,
nbf_MPI_Allgather_init,
nbf_MPI_Allgatherv_init,
nbf_MPI_Allreduce_init,
nbf_MPI_Alltoall_init,
nbf_MPI_Alltoallv_init,
nbf_MPI_Alltoallw_init,
nbf_MPI_Barrier_init,
nbf_MPI_Bcast_init,
nbf_MPI_Exscan_init,
nbf_MPI_Gather_init,
nbf_MPI_Gatherv_init,
nbf_MPI_Reduce_init,
nbf_MPI_Reduce_scatter_init,
nbf_MPI_Reduce_scatter_block_init,
nbf_MPI_Scan_init,
nbf_MPI_Scatter_init,
nbf_MPI_Scatterv_init,
nbf_MPI_Neighbor_iallgather,
nbf_MPI_Neighbor_iallgatherv,
nbf_MPI_Neighbor_iallreduce,
nbf_MPI_Neighbor_ialltoall,
nbf_MPI_Neighbor_ialltoallv,
nbf_MPI_Neighbor_ialltoallw,
nbf_MPI_Neighbor_ibarrier,
nbf_MPI_Neighbor_ibcast,
nbf_MPI_Neighbor_iexscan,
nbf_MPI_Neighbor_igather,
nbf_MPI_Neighbor_igatherv,
nbf_MPI_Neighbor_ireduce,
nbf_MPI_Neighbor_ireduce_scatter,
nbf_MPI_Neighbor_ireduce_scatter_block,
nbf_MPI_Neighbor_iscan,
nbf_MPI_Neighbor_iscatter,
nbf_MPI_Neighbor_iscatterv,
nbf_MPI_Neighbor_allgather_init,
nbf_MPI_Neighbor_allgatherv_init,
nbf_MPI_Neighbor_allreduce_init,
nbf_MPI_Neighbor_alltoall_init,
nbf_MPI_Neighbor_alltoallv_init,
nbf_MPI_Neighbor_alltoallw_init,
nbf_MPI_Neighbor_barrier_init,
nbf_MPI_Neighbor_bcast_init,
nbf_MPI_Neighbor_exscan_init,
nbf_MPI_Neighbor_gather_init,
nbf_MPI_Neighbor_gatherv_init,
nbf_MPI_Neighbor_reduce_init,
nbf_MPI_Neighbor_reduce_scatter_init,
nbf_MPI_Neighbor_reduce_scatter_block_init,
nbf_MPI_Neighbor_scan_init,
nbf_MPI_Neighbor_scatter_init,
nbf_MPI_Neighbor_scatterv_init
};
#define NUM_UC_DOUBLE 4
#define NUM_UC_INT64 0
template <typename M, auto E> class alignas(64) HandleData {
protected:
public:
static M nullHandle;
M handle{nullHandle};
HandleData() {}
HandleData(const HandleData &o) { this->init(o.handle); }
HandleData(HandleData &&o) noexcept { this->init(o.handle); }
virtual void init(M group) { handle = group; }
virtual void fini() {}
};
class alignas(64) CommData {
MPI_Comm dupComm{MPI_COMM_NULL};
int size{0};
int rank{-1};
public:
static MPI_Comm nullHandle;
MPI_Comm handle{nullHandle};
void init(MPI_Comm comm) {
this->handle = comm;
if (comm == MPI_COMM_NULL)
return;
PMPI_Comm_dup(comm, &dupComm);
PMPI_Comm_size(comm, &size);
PMPI_Comm_rank(comm, &rank);
}
void fini() { PMPI_Comm_free(&dupComm); }
int getSize() { return size; }
int getRank() { return rank; }
MPI_Comm &getDupComm() { return dupComm; }
};
typedef enum {
ISEND = 0,
IRECV,
IMRECV,
MPROBE,
ICOLL,
IREDUCE,
IALLREDUCE,
IBCAST,
PSEND,
PRECV,
PCOLL,
PREDUCE,
PALLREDUCE,
PBCAST
} KIND;
class ipcData {
public:
double uc_double[NUM_UC_DOUBLE];
int64_t uc_int64[NUM_UC_INT64];
static int num_uc_double;
static int num_uc_int64;
static MPI_Datatype ipcMpiType;
static void initIpcData();
static void finiIpcData();
void IBcast(int root, CommData *cData, MPI_Request *reqs) {
PMPI_Ibcast(uc_double, 1, ipcData::ipcMpiType, root, cData->getDupComm(),
reqs);
}
void IAllreduce(CommData *cData, MPI_Request *reqs) {
if (num_uc_double > 0)
PMPI_Iallreduce(MPI_IN_PLACE, uc_double, num_uc_double, MPI_DOUBLE,
MPI_MAX, cData->getDupComm(), reqs);
if (num_uc_int64 > 0)
PMPI_Iallreduce(MPI_IN_PLACE, uc_int64, num_uc_int64, MPI_INT64_T,
MPI_MAX, cData->getDupComm(), reqs + 1);
}
void Allreduce(CommData *cData) {
if (num_uc_double > 0)
PMPI_Allreduce(MPI_IN_PLACE, uc_double, num_uc_double, MPI_DOUBLE,
MPI_MAX, cData->getDupComm());
if (num_uc_int64 > 0)
PMPI_Allreduce(MPI_IN_PLACE, uc_int64, num_uc_int64, MPI_INT64_T, MPI_MAX,
cData->getDupComm());
}
void IReduce(int root, CommData *cData, MPI_Request *reqs) {
if (root == cData->getRank()) {
if (num_uc_double > 0)
PMPI_Ireduce(MPI_IN_PLACE, uc_double, num_uc_double, MPI_DOUBLE,
MPI_MAX, root, cData->getDupComm(), reqs);
if (num_uc_int64 > 0)
PMPI_Ireduce(MPI_IN_PLACE, uc_int64, num_uc_int64, MPI_INT64_T, MPI_MAX,
root, cData->getDupComm(), reqs + 1);
} else {
if (num_uc_double > 0)
PMPI_Ireduce(uc_double, NULL, num_uc_double, MPI_DOUBLE, MPI_MAX, root,
cData->getDupComm(), reqs);
if (num_uc_int64 > 0)
PMPI_Ireduce(uc_int64, NULL, num_uc_int64, MPI_INT64_T, MPI_MAX, root,
cData->getDupComm(), reqs + 1);
}
}
#ifdef HAVE_PCOLL
void BcastInit(int root, CommData *cData, MPI_Request *reqs) {
PMPI_Bcast_init(uc_double, 1, ipcData::ipcMpiType, root,
cData->getDupComm(), MPI_INFO_NULL, reqs);
}
void AllreduceInit(CommData *cData, MPI_Request *reqs) {
if (num_uc_double > 0)
PMPI_Allreduce_init(MPI_IN_PLACE, uc_double, num_uc_double, MPI_DOUBLE,
MPI_MAX, cData->getDupComm(), MPI_INFO_NULL, reqs);
if (num_uc_int64 > 0)
PMPI_Allreduce_init(MPI_IN_PLACE, uc_int64, num_uc_int64, MPI_INT64_T,
MPI_MAX, cData->getDupComm(), MPI_INFO_NULL,
reqs + 1);
}
void ReduceInit(int root, CommData *cData, MPI_Request *reqs) {
if (root == cData->getRank()) {
if (num_uc_double > 0)
PMPI_Reduce_init(MPI_IN_PLACE, uc_double, num_uc_double, MPI_DOUBLE,
MPI_MAX, root, cData->getDupComm(), MPI_INFO_NULL,
reqs);
if (num_uc_int64 > 0)
PMPI_Reduce_init(MPI_IN_PLACE, uc_int64, num_uc_int64, MPI_INT64_T,
MPI_MAX, root, cData->getDupComm(), MPI_INFO_NULL,
reqs + 1);
} else {
if (num_uc_double > 0)
PMPI_Reduce_init(uc_double, NULL, num_uc_double, MPI_DOUBLE, MPI_MAX,
root, cData->getDupComm(), MPI_INFO_NULL, reqs);
if (num_uc_int64 > 0)
PMPI_Reduce_init(uc_int64, NULL, num_uc_int64, MPI_INT64_T, MPI_MAX,
root, cData->getDupComm(), MPI_INFO_NULL, reqs + 1);
}
}
#endif
};
class alignas(64) RequestData : public ipcData {
bool persistent{false};
std::function<void(RequestData *)> startCallback{};
std::function<void(RequestData *)> cancelCallback{};
std::function<void(RequestData *, MPI_Status *)> completionCallback{};
bool freed{true};
bool cancelled{false};
protected:
public:
KIND kind{ISEND};
MPI_Request pb_reqs[2]{MPI_REQUEST_NULL, MPI_REQUEST_NULL};
int remote{-42};
int tag{-42};
int root{-42};
CommData *comm{nullptr};
static MPI_Request nullHandle;
RequestData() {}
~RequestData() {}
MPI_Request handle{MPI_REQUEST_NULL};
void init(MPI_Request request, KIND _kind, int _remote = -1, int _tag = -1,
CommData *_comm = nullptr, int _root = -1,
bool _persistent = false) {
handle = request;
kind = _kind;
remote = _remote;
tag = _tag;
comm = _comm;
root = _root;
persistent = _persistent;
freed = false;
cancelled = false;
}
template <typename M> void init(M request, bool _persistent = false) {
persistent = _persistent;
handle = (MPI_Request)request;
freed = false;
cancelled = false;
}
void start() {
assert(!freed);
if (startCallback) {
startCallback(this);
}
}
void cancel() {
assert(!freed);
assert(!cancelled);
cancelled = true;
if (cancelCallback) {
cancelCallback(this);
}
}
void complete(MPI_Status *status) {
assert(!freed);
if (completionCallback) {
completionCallback(this, status);
}
}
void fini(MPI_Status *status) {
complete(status);
fini();
}
void fini() {
handle = MPI_REQUEST_NULL;
pb_reqs[0] = MPI_REQUEST_NULL;
pb_reqs[1] = MPI_REQUEST_NULL;
completionCallback = nullptr;
startCallback = nullptr;
cancelCallback = nullptr;
remote = -42;
tag = -42;
root = -42;
kind = ISEND;
freed = true;
cancelled = false;
}
bool isFreed() { return freed; }
bool isPersistent() {
assert(!freed);
return persistent;
}
bool isCancelled() {
bool ret = cancelled;
cancelled = false;
return ret;
}
void setStartCallback(std::function<void(RequestData *)> sc) {
persistent = true;
startCallback = sc;
}
void setCancelCallback(std::function<void(RequestData *)> cc) {
cancelCallback = cc;
}
void
setCompletionCallback(std::function<void(RequestData *, MPI_Status *)> cc) {
completionCallback = cc;
}
};