Desmond week 3

To do - last week

• Try other mpi

• Test parameter

• user-guide

OpenMPI

Can run only one node

Mvapich2

Exit with error

IntelMPI

• Can run 4 node

• Has same effect with opnempi

IntelMPI with ib

• Can run 4 node

• Has same effect with opnempi

• slower than no ibverb

Parameter

• --tpp

• --spin

tpp

Set the number of threads per process

Rank

2 node with each node 2 thread

> 4 node with each node 1 thread

> 1 node with each node 4 thread

spin

Set the worker thread idle strategy

with 0 1 2

Rank

2 == 1 == 0

cpc

give the number of cores per physical chips, default to 0

Rank

0 == 4 == 8 == 64

gdesmond

Use precompile biniary

Reslove the dependency, and runtime with error

Trouble

mpirun ./desmond --destrier mpi meaning

To do 

prepare all things