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Follow the following procedures to setup an account for PSC Bridges-2

Setting up the account

Start by creating one account per team on the Access portal:

https://identity.access-ci.org/new-user - Two way authentication is needed via DUO mobile app

Login here: https://cilogon.org/

Later on, we will need your team username to be able to apply the allocation to the team.

Check your username here: https://allocations.access-ci.org/profile

You will see the “Pittsburg Supercomputing Center” username.

To reset the password, see here: https://apr.psc.edu/enter_info

And follow the steps.

Login to Bridges2

Login using your psc username and password:

bash-4.1$ ssh  maor@bridges2.psc.edu      
maor@bridges2.psc.edu's password:         
Warning: No xauth data; using fake authentication data for X11 forwarding.
********************************* W A R N I N G ********************************
You have connected to br014.ib.bridges2.psc.edu, a login node of Bridges 2.     

This computing resource is the property of the Pittsburgh Supercomputing Center. 
It is for authorized use only.  By using this system, all users acknowledge      
notice of, and agree to comply with, PSC polices including the Resource Use      
Policy, available at http://www.psc.edu/index.php/policies. Unauthorized or      
improper use of this system may result in administrative disciplinary action,    
civil charges/criminal penalties, and/or other sanctions as set forth in PSC     
policies. By continuing to use this system you indicate your awareness of and    
consent to these terms and conditions of use.                                    

LOG OFF IMMEDIATELY if you do not agree to the conditions stated in this warning


********************************* W A R N I N G ********************************

For documentation on Bridges 2, please see www.psc.edu/resources/bridges-2/user-guide/
Please contact help@psc.edu with any comments/concerns.                               
Last login: Mon Nov 15 19:58:05 2021 from 149.165.168.51                              
                                                                                      
Projects                                                                              
---------------------------------------------------------------------------------------------------------------------------------------
Project: bio220064p [Default charging account] PI: Ophir Maor                                                                          
  Regular Memory           999,979 SU remain of 1,000,000 SU    Active: Yes                                                            
  Ocean /ocean/projects/bio220064p 16k used of 4.883T                                                                                  

Use slurm to allocate a node

[maor@bridges2-login014 ~]$ sinfo
PARTITION   AVAIL  TIMELIMIT  NODES  STATE NODELIST
RM*            up   infinite      1  down* r059
RM*            up   infinite      1   drng r384
RM*            up   infinite      1  drain r191
RM*            up   infinite      2   resv r[099,174]
RM*            up   infinite     34    mix r[053-055,057-058,063,068,071,073-075,077,080-081,084-085,090,092,094,109,126-127,129,135,137,143,151,157,161,172-173,175,190,282]
RM*            up   infinite    393  alloc r[050-052,056,060-062,064-067,069-070,072,076,078-079,082-083,086-089,091,093,095-098,100-108,110-125,128,130-134,136,138-142,144-150,152-156,158-160,162-171,176-189,192-246,248-251,253-272,274-281,283-360,362-376,378-383,386-446,448-488]
RM*            up   infinite      2   idle r[247,377]
RM*            up   infinite      5   down r[252,273,361,385,447]
RM-512         up   infinite     16  alloc l[001-016]
RM-shared      up   infinite      1  down* r059
RM-shared      up   infinite      2   resv r[099,174]
RM-shared      up   infinite     70    mix r[005-008,010-013,018,020-025,027-029,031-037,039-049,053-055,057-058,063,068,071,073-075,077,080-081,084-085,090,092,094,109,126-127,129,135,137,143,151,157,161,172-173,175,190,282]
RM-shared      up   infinite    158  alloc r[009,014-017,019,026,030,038,050-052,056,060-062,064-067,069-070,072,076,078-079,082-083,086-089,091,093,095-098,100-108,110-125,128,130-134,136,138-142,144-150,152-156,158-160,162-171,176,180-181,192-196,199-204,208,223,227-229,245-246,250,257-258,260,263-264,285,289-291,293,295,301,310,319,323-325,328-330,332-333,336-337,342,344-345,347,353-354,356-360,367]
RM-small       up   infinite      2    mix r[001-002]
RM-small       up   infinite      2   idle r[003-004]
GPU            up   infinite     18    mix v[003-006,008-012,015-016,018,025,027-030,033]
GPU            up   infinite     13  alloc v[007,013-014,017,019-024,026,031-032]
GPU            up   infinite      1   idle v034
GPU-shared     up   infinite     18    mix v[003-006,008-012,015-016,018,025,027-030,033]
GPU-shared     up   infinite     13  alloc v[007,013-014,017,019-024,026,031-032]
GPU-small      up   infinite      1  alloc v002
GPU-small      up   infinite      1   idle v001
EM             up   infinite      1    mix e001
EM             up   infinite      3  alloc e[002-004]
BatComputer    up   infinite      1    mix dv001
BatComputer    up   infinite      3  alloc dv[002-004]

7. Allocate a node.

Note: For ISC23 use only RM partition and 4 node allocation.

Here is an example to allocate single node.

[maor@bridges2-login014 ~]$ salloc -N 1 -p RM                                         
salloc: Pending job allocation 5062923                                                
salloc: job 5062923 queued and waiting for resources                                  
salloc: job 5062923 has been allocated resources                                      
salloc: Granted job allocation 5062923                                                
salloc: Waiting for resource configuration                                            
salloc: Nodes r352 are ready for job

[maor@r352 ~]$ ibstat
CA 'mlx5_0'
        CA type: MT4123
        Number of ports: 1
        Firmware version: 20.30.1004
        Hardware version: 0
        Node GUID: 0x9440c9ffffac407c
        System image GUID: 0x9440c9ffffac407c
        Port 1:
                State: Active
                Physical state: LinkUp
                Rate: 200
                Base lid: 636
                LMC: 0
                SM lid: 35
                Capability mask: 0x2651e848
                Port GUID: 0x9440c9ffffac407c
                Link layer: InfiniBand

[maor@r352 ~]$ lscpu
Architecture:        x86_64
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
CPU(s):              128
On-line CPU(s) list: 0-127
Thread(s) per core:  1
Core(s) per socket:  64
Socket(s):           2
NUMA node(s):        2
Vendor ID:           AuthenticAMD
CPU family:          23
Model:               49
Model name:          AMD EPYC 7742 64-Core Processor
Stepping:            0
CPU MHz:             3335.192
BogoMIPS:            4491.35
Virtualization:      AMD-V
L1d cache:           32K
L1i cache:           32K
L2 cache:            512K
L3 cache:            16384K
NUMA node0 CPU(s):   0-63
NUMA node1 CPU(s):   64-127
Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
[maor@r352 ~]$

Installing and using HPC-X

  1. Download the above file.

  2. tar xjfp hpcx-2.13.1.tbz

  3. module use <path to hpcx-2.13.1>/modulefiles

  4. module load hpcx

  5. which mpirun

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