Optix (Visualization)
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optix.cs.uoregon.edu
IMPORTANT
Optix has been handed over to Mike Strain in the CAMCOR lab. The information on this page may no longer be accurate, and is being maintained as a reference only.
Basics
- SGI Prism (Altix 350 + ATI graphics accelerators + patched kernel)
- 16 1.5 Ghz Itanium 2 processors
- 32Gb of RAM.
- 8 nodes connected by 2 NUMAlink Switches
- 1 L1 controller per node
- 2 L2 Controllers (L2 Management Documentation)
- 2 80.4Gb SCSI Disks (2 used for software RAID)
- 2 PCI-X Broadcom Tigon3 copper NICs
- SuSE Linux Enterprise Server (modified by SGI)
- Takes up bottom 1/2 of a SGI full-height rack
Installed Software
Sample TAU configurations
# Intel compilers, SGI MPI ./configure -cc=icc -c++=icpc -fortran=intel -mpi # Intel compilers, Intel MPI ./configure -cc=icc -c++=icpc -fortran=intel -mpiinc=/opt/intel_mpi_10/include -mpilib=/opt/intel_mpi_10/lib
Vendor Resources
- http://www.sgi.com/products/visualization/prism/ SGI Prism
- http://www.intel.com/products/server/processors/server/itanium2/ Intel Itanium 2 processor
Standard operating parameters
Sample uname -a output:
Linux optix 2.6.5-7.252.1-rtgfx #1 SMP Mon Mar 20 18:27:59 PST 2006 ia64 ia64 ia64 GNU/Linux
Sample cat /proc/cpuinfo output:
processor : 0 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2214.59 siblings : 1 processor : 1 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 2 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 3 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 4 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 5 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 6 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 7 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 8 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 9 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 10 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 11 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 12 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 13 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 14 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1 processor : 15 vendor : GenuineIntel arch : IA-64 family : Itanium 2 model : 2 revision : 1 archrev : 0 features : branchlong cpu number : 0 cpu regs : 4 cpu MHz : 1500.000000 itc MHz : 1500.000000 BogoMIPS : 2239.75 siblings : 1
Sample top output:
top - 17:03:08 up 8 days, 6:41, 4 users, load average: 1.59, 1.16, 0.94 Tasks: 377 total, 2 running, 375 sleeping, 0 stopped, 0 zombie Cpu0 : 1.1% us, 1.1% sy, 0.0% ni, 97.7% id, 0.0% wa, 0.0% hi, 0.1% si Cpu1 : 4.4% us, 1.4% sy, 0.3% ni, 93.0% id, 0.9% wa, 0.0% hi, 0.0% si Cpu2 : 0.7% us, 0.7% sy, 0.0% ni, 98.6% id, 0.0% wa, 0.0% hi, 0.0% si Cpu3 : 0.8% us, 0.7% sy, 0.0% ni, 98.6% id, 0.0% wa, 0.0% hi, 0.0% si Cpu4 : 0.5% us, 0.4% sy, 0.0% ni, 99.1% id, 0.0% wa, 0.0% hi, 0.0% si Cpu5 : 0.8% us, 0.4% sy, 0.0% ni, 98.8% id, 0.0% wa, 0.0% hi, 0.0% si Cpu6 : 0.6% us, 0.4% sy, 0.0% ni, 99.0% id, 0.0% wa, 0.0% hi, 0.0% si Cpu7 : 0.8% us, 0.4% sy, 0.0% ni, 98.8% id, 0.0% wa, 0.0% hi, 0.0% si Cpu8 : 0.7% us, 0.1% sy, 0.0% ni, 99.2% id, 0.0% wa, 0.0% hi, 0.0% si Cpu9 : 0.7% us, 0.1% sy, 0.0% ni, 99.2% id, 0.0% wa, 0.0% hi, 0.0% si Cpu10 : 6.8% us, 0.3% sy, 0.0% ni, 92.8% id, 0.1% wa, 0.0% hi, 0.0% si Cpu11 : 4.2% us, 0.2% sy, 0.3% ni, 95.3% id, 0.0% wa, 0.0% hi, 0.0% si Cpu12 : 0.6% us, 0.8% sy, 0.0% ni, 98.6% id, 0.0% wa, 0.0% hi, 0.0% si Cpu13 : 0.7% us, 0.8% sy, 0.0% ni, 98.5% id, 0.0% wa, 0.0% hi, 0.0% si Cpu14 : 0.7% us, 1.0% sy, 0.0% ni, 98.3% id, 0.0% wa, 0.0% hi, 0.0% si Cpu15 : 0.6% us, 0.8% sy, 0.0% ni, 98.7% id, 0.0% wa, 0.0% hi, 0.0% si Mem: 31906928k total, 28493136k used, 3413792k free, 546992k buffers Swap: 8702880k total, 0k used, 8702880k free, 22085008k cached
Array Services (MPI)
Sometimes Array Services gets screwed up. It may be exhibited by the inability to launch MPI jobs:
optix:~> mpirun -np 4 ./a.out
MPI: aslistmachines('(null)') failed : request failed - authentication failure
This can be fixed by restarting Array Services:
optix:~ # /etc/init.d/array restart Stopping Array Services done Starting Array Services done