pshpstuningguidewp040105.doc Page 22
• For HAL libraries: dsh sum /usr/sni/aix52/lib/libhal_r.a
• For MPI libraries: dsh sum /usr/lpp/ppe.poe/lib/libmpi_r.a (or run
with MP_PRINTENV=yes)
To make sure you are running the correct combination of HAL, LAPI, and MPI, check the
Service Pack Release Notes.
5.10 MP_PRINTENV
If you set MP_PRINTENV=YES or MP_PRINTENV=script_name, the output includes the
following information about environmental variables. The output for the user script is also
printed, if it was specified.
Hostname
Job ID (MP_PARTITION)
Number of Tasks (MP_PROCS)
Number of Nodes (MP_NODES)
Number of Tasks per Node (MP_TASKS_PER_NODE)
Library Specifier (MP_EUILIB)
Adapter Name
IP Address
Window ID
Network ID
Device Name (MP_EUIDEVICE)
Window Instances (MP_INSTANCES)
Striping Setup
Protocols in Use (MP_MSG_API)
Effective Libpath (LIBPATH)
Current Directory
64 Bit Mode
Threaded Library
Requested Thread Scope (AIXTHREAD_SCOPE)
Thread Stack Allocation (MP_THREAD_STACKSIZE/Bytes)
CPU Use (MP_CPU_USE)
Adapter Use (MP_ADAPTER_USE)
Clock Source (MP_CLOCK_SOURCE)
Priority Class (MP_PRIORITY)
Connection Timeout (MP_TIMEOUT/sec)
Adapter Interrupts Enabled (MP_CSS_INTERRUPT)
Polling Interval (MP_POLLING_INTERVAL/sec)
Use Flow Control (MP_USE_FLOW_CONTROL)
Buffer Memory (MP_BUFFER_MEM/Bytes)
Message Eager Limit (MP_EAGER_LIMIT/Bytes)
Message Wait Mode(MP_WAIT_MODE)
Retransmit Interval (MP_RETRANSMIT_INTERVAL/count)
Shared Memory Enabled (MP_SHARED_MEMORY)
Shared Memory Collective (MP_SHM_CC)
Collective Shared Memory Segment Page Size (KBytes)
Large Page Environment
Large Page Memory Page Size (KBytes)
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