pshpstuningguidew p040105.doc Page 3
5.10 MP_PRINTENV ...................................................................................... 22
5.11 MP_STATISTICS.................................................................................... 23
5.12 Dropped switch packets.......................................................................... 24
5.12.1 Packets dropped because of a software problem on an endpoint.... 24
5.12.2 Packets dropped in the ML0 interface.............................................. 26
5.12.3 Packets dropped because of a hardware problem on an endpoint...27
5.12.4 Packets dropped in the switch hardware.......................................... 28
5.13 MP_INFOLEVEL..................................................................................... 28
5.14 LAPI_DEBUG_COMM_TIMEOUT.......................................................... 29
5.15 LAPI_DEBUG_PERF.............................................................................. 29
5.16 AIX 5L trace for daemon activity............................................................. 30
6.0 Conclusions and summary........................................................................... 30
7.0 Additional reading......................................................................................... 30
7.1 HPS documentation.................................................................................. 30
7.2 MPI documentation................................................................................... 31
7.3 AIX 5L performance guides...................................................................... 31
7.4 IBM Redbooks .......................................................................................... 31
7.5 POWER4 .................................................................................................. 31