Comments (3)
paboyle
commented on June 19, 2024
Just a comment -- I'm aware of this and it is on my todo list. Christoph also is reporting.
Chunk size read in on "read" needs to be much bigger. Plan to expand to an "x-strip" and hope this is big enough.
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paboyle
commented on June 19, 2024
Making progress on this now; getting 1GB/s on the BNL KNL GPFS system
on parallel writes and accelerates both configuration (Lattice) and RNG I/O
pretty well. Switching to use MPI-2 I/O.
However; this is presently in a feature branch (feature/parallelio) and I haven't yet finished
the RNG state (need to add in the serial RNG state).
See issue 111 for a bug/gotcha in Intel MPI running on GPFS.
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paboyle
commented on June 19, 2024
Committed back to develop. Can close this now as we have comprehensive SciDAC support, ILDG and MPI2 IO implemented
from grid.
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