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which uses 2 MPI processes and 8 threads each, i.e. one full node.
--hpx:print-bind outputs
0 0: PU L#0(P#0), Core L#0(P#0), Socket L#0(P#0), Node L#0(P#0)
1: PU L#1(P#1), Core L#1(P#1), Socket L#0(P#0), Node L#0(P#0)
2: PU L#2(P#2), Core L#2(P#2), Socket L#0(P#0), Node L#0(P#0)
3: PU L#3(P#3), Core L#3(P#3), Socket L#0(P#0), Node L#0(P#0)
4: PU L#4(P#4), Core L#4(P#4), Socket L#0(P#0), Node L#0(P#0)
5: PU L#5(P#5), Core L#5(P#5), Socket L#0(P#0), Node L#0(P#0)
6: PU L#6(P#6), Core L#6(P#6), Socket L#0(P#0), Node L#0(P#0)
7: PU L#7(P#7), Core L#7(P#7), Socket L#0(P#0), Node L#0(P#0)
: PU L#0(P#0), Core L#0(P#0), Socket L#0(P#0), Node L#0(P#0)
1: PU L#1(P#1), Core L#1(P#1), Socket L#0(P#0), Node L#0(P#0)
2: PU L#2(P#2), Core L#2(P#2), Socket L#0(P#0), Node L#0(P#0)
3: PU L#3(P#3), Core L#3(P#3), Socket L#0(P#0), Node L#0(P#0)
4: PU L#4(P#4), Core L#4(P#4), Socket L#0(P#0), Node L#0(P#0)
5: PU L#5(P#5), Core L#5(P#5), Socket L#0(P#0), Node L#0(P#0)
6: PU L#6(P#6), Core L#6(P#6), Socket L#0(P#0), Node L#0(P#0)
7: PU L#7(P#7), Core L#7(P#7), Socket L#0(P#0), Node L#0(P#0)
which (apart from the mis-formatting) is wrong: This output indicates that both localities are running on the first 8 processes. I used hwloc to check, and the second locality actually runs on PUs 8 to 15, not 0 to 7.
The text was updated successfully, but these errors were encountered:
I am using --hpx:print-bind on Stampede.
I am starting my application with
which uses 2 MPI processes and 8 threads each, i.e. one full node.
--hpx:print-bind outputs
which (apart from the mis-formatting) is wrong: This output indicates that both localities are running on the first 8 processes. I used hwloc to check, and the second locality actually runs on PUs 8 to 15, not 0 to 7.
The text was updated successfully, but these errors were encountered: