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RNG seed change safer for large volumes; this is a long term solution

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This commit is contained in:
Peter Boyle 2024-02-07 00:56:39 +00:00
parent 91cf5ee312
commit 7019916294
4 changed files with 12 additions and 150 deletions
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4
Grid/lattice/Lattice_rng.h
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@ -152,6 +152,7 @@ public:
#ifdef RNG_FAST_DISCARD
static void Skip(RngEngine &eng,uint64_t site)
{
#if 0
/////////////////////////////////////////////////////////////////////////////////////
// Skip by 2^40 elements between successive lattice sites
// This goes by 10^12.
@ -179,6 +180,9 @@ public:
assert((skip >> shift)==site); // check for overflow
eng.discard(skip);
#else
eng.discardhi(site);
#endif
// std::cout << " Engine " <<site << " state " <<eng<<std::endl;
}
#endif

4
Grid/sitmo_rng/sitmo_prng_engine.hpp
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@ -218,6 +218,10 @@ public:
// -------------------------------------------------
// misc
// -------------------------------------------------
void discardhi(uint64_t z) {
_s[3] += z;
encrypt_counter();
}
// req: 26.5.1.4 Random number engine requirements, p.908 table 117, row 9
// Advances e’s state ei to ei+z by any means equivalent to z

51
systems/Aurora/benchmarks/bench.pbs
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@ -1,51 +0,0 @@
#!/bin/bash
## qsub -q EarlyAppAccess -A Aurora_Deployment -I -l select=1 -l walltime=60:00
#PBS -q EarlyAppAccess
#PBS -l select=1
#PBS -l walltime=01:00:00
#PBS -A LatticeQCD_aesp_CNDA
HDIR=/home/paboyle/
#module use /soft/testing/modulefiles/
#module load intel-UMD23.05.25593.11/23.05.25593.11
#module load tools/pti-gpu
#export LD_LIBRARY_PATH=$HDIR/tools/lib64:$LD_LIBRARY_PATH
#export PATH=$HDIR/tools/bin:$PATH
export TZ='/usr/share/zoneinfo/US/Central'
export OMP_PROC_BIND=spread
export OMP_NUM_THREADS=3
unset OMP_PLACES
cd $PBS_O_WORKDIR
source ../sourceme.sh
echo Jobid: $PBS_JOBID
echo Running on host `hostname`
echo Running on nodes `cat $PBS_NODEFILE`
echo NODES
cat $PBS_NODEFILE
NNODES=`wc -l < $PBS_NODEFILE`
NRANKS=12 # Number of MPI ranks per node
NDEPTH=4 # Number of hardware threads per rank, spacing between MPI ranks on a node
NTHREADS=$OMP_NUM_THREADS # Number of OMP threads per rank, given to OMP_NUM_THREADS
NTOTRANKS=$(( NNODES * NRANKS ))
echo "NUM_NODES=${NNODES} TOTAL_RANKS=${NTOTRANKS} RANKS_PER_NODE=${NRANKS} THREADS_PER_RANK=${OMP_NUM_THREADS}"
echo "OMP_PROC_BIND=$OMP_PROC_BIND OMP_PLACES=$OMP_PLACES"
#CMD="mpiexec -np ${NTOTRANKS} -ppn ${NRANKS} -d ${NDEPTH} --cpu-bind=depth -envall \
# ./gpu_tile_compact.sh \
# ./Benchmark_dwf_fp32 --mpi 1.1.2.6 --grid 16.32.64.192 --comms-overlap \
# --shm-mpi 0 --shm 2048 --device-mem 32000 --accelerator-threads 32"
CMD="mpiexec -np ${NTOTRANKS} -ppn ${NRANKS} -d ${NDEPTH} --cpu-bind=depth -envall \
./gpu_tile_compact.sh \
./Benchmark_memory_bandwidth --mpi 1.1.2.6 --grid 32.24.32.192 \
--shm-mpi 1 --shm 2048 --device-mem 32000 --accelerator-threads 32"
$CMD

95
systems/Aurora/benchmarks/bench2.pbs
View File

@ -1,95 +0,0 @@
#!/bin/bash
## qsub -q EarlyAppAccess -A Aurora_Deployment -I -l select=1 -l walltime=60:00
#PBS -q EarlyAppAccess
#PBS -l select=2
#PBS -l walltime=01:00:00
#PBS -A LatticeQCD_aesp_CNDA
#export OMP_PROC_BIND=spread
#export OMP_NUM_THREADS=3
#unset OMP_PLACES
cd $PBS_O_WORKDIR
source ../sourceme.sh
#echo Jobid: $PBS_JOBID
#echo Running on host `hostname`
#echo Running on nodes `cat $PBS_NODEFILE`
#echo NODES
#cat $PBS_NODEFILE
NNODES=`wc -l < $PBS_NODEFILE`
NRANKS=12 # Number of MPI ranks per node
NDEPTH=3 # Number of hardware threads per rank, spacing between MPI ranks on a node
NTHREADS=$OMP_NUM_THREADS # Number of OMP threads per rank, given to OMP_NUM_THREADS
NTOTRANKS=$(( NNODES * NRANKS ))
CMD="mpiexec -np 2 -ppn 1 -d ${NDEPTH} -envall \
./gpu_tile_compact.sh \
./Benchmark_comms_host_device --mpi 1.1.1.2 --grid 32.24.32.192 \
--shm-mpi 1 --shm 2048 --device-mem 32000 --accelerator-threads 32"
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=0
#$CMD | tee 1-to-1.comms.hmem0
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=1
#$CMD | tee 1-to-1.comms.hmem1
CMD="mpiexec -np 4 -ppn 2 -d ${NDEPTH} --cpu-bind=depth -envall \
./gpu_tile_compact.sh \
./Benchmark_comms_host_device --mpi 2.2.1.1 --grid 32.24.32.96 \
--shm-mpi 1 --shm 2048 --device-mem 32000 --accelerator-threads 32"
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=1
#$CMD | tee 2-to-2.comms.hmem1
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=0
$CMD | tee 2-to-2.comms.hmem0
CMD="mpiexec -np 6 -ppn 3 -d ${NDEPTH} --cpu-bind=depth -envall \
./gpu_tile_compact.sh \
./Benchmark_comms_host_device --mpi 3.2.1.1 --grid 32.24.32.96 \
--shm-mpi 1 --shm 2048 --device-mem 32000 --accelerator-threads 32"
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=1
#$CMD | tee 3-to-3.comms.hmem1
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=0
#$CMD | tee 3-to-3.comms.hmem0
CMD="mpiexec -np 8 -ppn 4 -d ${NDEPTH} --cpu-bind=depth -envall \
./gpu_tile_compact4a.sh \
./Benchmark_comms_host_device --mpi 2.2.2.1 --grid 32.24.32.96 \
--shm-mpi 1 --shm 2048 --device-mem 32000 --accelerator-threads 32"
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=1
#$CMD | tee 4-to-4.comms.hmem1.nic-affinity
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=0
$CMD | tee 4-to-4.comms.hmem0
#mpiexec -np 1 --ppn 1 -d 1 numactl -H | tee numa.log
CMD="mpiexec -np 12 -ppn 6 -d ${NDEPTH} --cpu-bind=depth -envall \
./gpu_tile_compact.sh \
./Benchmark_comms_host_device --mpi 3.2.2.1 --grid 32.24.32.96 \
--shm-mpi 1 --shm 2048 --device-mem 32000 --accelerator-threads 32"
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=1
#$CMD | tee 6-to-6.comms.hmem1
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=0
$CMD | tee 6-to-6.comms.hmem0
CMD="mpiexec -np ${NTOTRANKS} -ppn ${NRANKS} -d ${NDEPTH} --cpu-bind=depth -envall \
./gpu_tile_compact.sh \
./Benchmark_comms_host_device --mpi 3.2.2.2 --grid 32.24.32.192 \
--shm-mpi 1 --shm 2048 --device-mem 32000 --accelerator-threads 32"
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=1
#$CMD | tee 12-to-12.comms.hmem1
export MPIR_CVAR_CH4_OFI_ENABLE_HMEM=0
$CMD | tee 12-to-12.comms.hmem0