HPC Help Desk Feedback

HPC Help Desk

When to Contact the HPC Help Desk Users should contact the HPC Help Desk when assistance is needed for unclassified problems, issues, or questions.
Hours of Operation 8:00 a.m. - 8:00 p.m. Eastern, Monday - Friday (excluding Federal holidays).
HPC Centers Home Page https://centers.hpc.mil/
Help Desk Video Tutorial Getting Help: the HPC Help Desk
Phone Number 1-877-222-2039 or (937) 255-0679 (limited hours)
Help E-mail help@helpdesk.hpc.mil
Accounts E-mail accounts@helpdesk.hpc.mil
HPC Help Desk Manager E-mail manager@helpdesk.hpc.mil
After Hours Calls, e-mails and tickets received after normal operating hours will be addressed the following business day.
Mailing Address DoD HPCMP HPC Help Desk
AFRL/RCM
2435 Fifth Street
Wright-Patterson Air Force Base, OH - 45433-7802
Ticket Requests Active users may submit tickets from the Active User Help Ticket.
Inactive users may submit tickets using the Inactive User Help Ticket.

Unclassified Systems

Centennial is currently Up.

Centennial is an SGI ICE XA system located at the ARL DSRC. It has 1,784 standard compute nodes, 32 large-memory compute nodes, and 32 GPU compute nodes (a total of 1,848 compute nodes or 73,920 compute cores). It has 253 TBytes of memory and is rated at 2.6 peak PFLOPS.

More Info

Available Documentation

Node Configuration
Login Nodes Compute Nodes
Standard Memory Large Memory GPU Accelerated
Total Cores | Nodes 960 | 24 71,360 | 1,784 1,280 | 32 1,280 | 32
Operating System RHEL
Cores/Node 40 40 + 1 GPU
(1 x 2,880 GPU cores)
Core Type Intel Xeon
E5-2698v4 Broadwell		 Intel Xeon
E5-2698v4 Broadwell
+NVIDIA Tesla K40P
Core Speed 2.2 GHz 2.6 GHz 2.2 GHz
Memory/Node 256 GBytes 128 GBytes 512 GBytes 256 GBytes
Accessible Memory/Node 252 GBytes 124 GBytes 508 GBytes 252 GBytes
Memory Model Shared on node. Shared on node.
Distributed across cluster.
Interconnect Type Ethernet / InfiniBand
Queue Descriptions and Limits
Priority Queue
Name		 Job
Class		 Max Wall
Clock Time		 Max Cores
Per Job		 Comments
Highest debug Debug 1 Hour N/A User diagnostic jobs
Down arrow for decreasing priority transfer N/A 48 Hours 1 Data transfer jobs
urgent Urgent 96 Hours N/A Designated urgent jobs by DoD HPCMP
staff N/A 368 Hours N/A ARL DSRC staff testing only. System testing and user support
high High 96 Hours N/A Designated high-priority projects by service/agency
frontier Frontier 168 Hours N/A Frontier projects only
cots Standard 96 Hours N/A Abaqus, Fluent, and Cobalt jobs
interactive Standard 12 Hours N/A Interactive jobs
standard-long Standard 200 Hours N/A ARL DSRC permission required
standard Standard 168 Hours N/A Normal user jobs
Lowest background Background 24 Hours User jobs that will not be charged against the project allocation
Conrad is currently Up.

Conrad is a Cray XC40 system located at the Navy DSRC. It has 1,523 standard compute nodes, 8 large-memory compute nodes, and 168 Xeon Phi compute nodes (a total of 1,699 compute nodes or 51,008 compute cores). It has 208 TBytes of memory and is rated at 2 peak PFLOPS.

More Info

Available Documentation

Node Configuration
Login Nodes Compute Nodes
Standard Memory Large Memory Phi Accelerated
Total Cores | Nodes 192 | 6 48,736 | 1,523 256 | 8 2,016 | 168
Operating System SLES Cray Linux Environment
Cores/Node 32 12 + 1 Phi
(1 x 60 Phi cores)
Core Type Intel Xeon E5-2698v3 Intel Xeon E5-2696v2
+Intel Xeon 5120D Phi
Core Speed 2.3 GHz 2.4 GHz
+1.05 GHz
Memory/Node 256 GBytes 128 GBytes 512 GBytes 64 GBytes
+8 GBytes
Accessible Memory/Node 240 GBytes 125 GBytes 510 GBytes 63 GBytes
+7.5 GBytes
Memory Model Shared on node. Shared on node.
Distributed across cluster.
Interconnect Type Ethernet Cray Aries / Dragonfly
Queue Descriptions and Limits
Priority Queue
Name		 Job
Class		 Max Wall
Clock Time		 Max Cores
Per Job		 Comments
Highest urgent Urgent 24 Hours 768 Jobs belonging to DoD HPCMP Urgent Projects
Down arrow for decreasing priority frontier Frontier 168 Hours 16,000 Designated Frontier projects by DoD HPCMP
high High 168 Hours 16,000 Jobs belonging to DoD HPCMP High Priority Projects
debug Debug 30 Minutes 3,072 User diagnostic jobs
standard Standard 168 Hours 8,000 Standard jobs
phi N/A 168 Hours 3,200 Phi-accelerated jobs
bigmem N/A 24 Hours 224 Large-memory jobs
transfer N/A 48 Hours N/A Data transfer for user jobs
Lowest background Background 4 Hours 2,016 Unrestricted access - no allocation charge
Copper is currently Up.

Copper is a Cray XE6m Open Research system located at the ERDC DSRC. It has 460 compute nodes (a total of 14,720 total compute cores). It has 29 TBytes of memory and is rated at 135 peak TFLOPS.

More Info

Available Documentation

Node Configuration
Login Nodes Compute Nodes
Total Cores | Nodes 32 | 2 14,720 | 460
Operating System SLES Cray Linux Environment
Cores/Node 16 32
Core Type AMD 64-bit Opteron AMD Interlagos Opteron
Core Speed 2.7 GHz 2.3 GHz
Memory/Node 128 GBytes 64 GBytes
Accessible Memory/Node 8 GBytes 60 GBytes
Memory Model Shared on node. Shared on node.
Distributed across cluster.
Interconnect Type Ethernet Cray Gemini
Queue Descriptions and Limits
Priority Queue
Name		 Job
Class		 Max Wall
Clock Time		 Max Cores
Per Job		 Comments
Highest urgent Urgent 168 Hours 4,096 Designated urgent jobs by DoD HPCMP
Down arrow for decreasing priority test N/A 48 Hours N/A Staff-only testing
debug* Debug 1 Hour 512 User testing
high High 168 Hours 4,096 Designated high-priority jobs by Service/Agency
frontier Frontier 168 Hours 4,096 Frontier projects only
standard Standard 168 Hours 4,096 Normal priority jobs
transfer N/A 48 Hours 1 Data transfer for user jobs. Access to the long-term storage
Lowest background** Background 4 Hours 4,096 Unrestricted access - no allocation charge. Number of cores can be altered depending on the current system load.
Excalibur is currently Up.

Excalibur is a Cray XC40 system located at the ARL DSRC. It has 3,098 standard compute nodes, 32 large-memory compute nodes, and 32 GPU compute nodes (a total of 3,162 compute nodes or 101,184 compute cores). It has 421 TBytes of memory and is rated at 3.77 peak PFLOPS.

More Info

Available Documentation

Node Configuration
Login Nodes Compute Nodes
Standard Memory Large Memory GPU Accelerated
Total Cores | Nodes 512 | 16 99,136 | 3,098 1,024 | 32 1,024 | 32
Operating System SLES Cray Linux Environment
Cores/Node 32 32 + 1 GPU
(1 x 2,880 GPU cores)
Core Type Intel Xeon E5-2698 v3 Intel Xeon E5-2698 v3
+NVIDIA Tesla K40
Core Speed 2.3 GHz 2.5 GHz
Memory/Node 256 GBytes 128 GBytes 512 GBytes 256 GBytes
+12 GBytes
Accessible Memory/Node 2 GBytes 126 GBytes 508 GBytes 252 GBytes
Memory Model Shared on node. Shared on node.
Distributed across cluster.
Interconnect Type Ethernet / InfiniBand Cray Aries / Dragonfly Ethernet / InfiniBand
Queue Descriptions and Limits
Priority Queue
Name		 Job
Class		 Max Wall
Clock Time		 Max Cores
Per Job		 Comments
Highest urgent Urgent 168 Hours N/A Designated urgent jobs by DoD HPCMP
Down arrow for decreasing priority high High 168 Hours N/A Designated high-priority projects by service/agency
frontier Frontier 168 Hours N/A Frontier projects only
standard-long Standard 200 Hours 512 Access available by request
debug Debug 1 Hour N/A User diagnostic jobs
standard Standard 168 Hours N/A Normal user jobs
transfer N/A 48 Hours 1 Data transfer jobs
Lowest background Background 24 Hours 15,000 User jobs that will not be charged against the project allocation
Gaffney is currently Up.

Gaffney is an HPE SGI 8600 system located at the Navy DSRC. It has 704 standard compute nodes, 16 large-memory nodes, and 32 GPU-accelerated nodes (a total of 752 compute nodes or 36,096 compute cores). It has 154 TBytes of memory and is rated at 3.05 peak PFLOPS.

More Info

Available Documentation

Node Configuration
Login Nodes Compute Nodes
Standard Memory Large Memory GPU Accelerated
Total Cores | Nodes 384 | 8 33,792 | 704 768 | 16 1,536 | 32
Operating System RHEL
Cores/Node 48 48 + 1 GPU
(1 x 3,584 GPU cores)
Core Type Intel Xeon Platinum 8168 Intel Xeon Platinum 8168
+NVIDIA Tesla P100
Core Speed 2.7 GHz
Memory/Node 384 GBytes 192 GBytes 768 GBytes 384 GBytes
+16 GBytes
Accessible Memory/Node 380 GBytes 180 GBytes 744 GBytes 372 GBytes
Memory Model Shared on node. Shared on node.
Distributed across cluster.
Interconnect Type Intel Omni-Path
Queue Descriptions and Limits
Priority Queue
Name		 Job
Class		 Max Wall
Clock Time		 Max Cores
Per Job		 Comments
Highest urgent Urgent 24 Hours 768 Designated urgent projects by DoD HPCMP
Down arrow for decreasing priority frontier Frontier 168 Hours 14,400 Designated frontier projects by DoD HPCMP
high High 168 Hours 15,840 Designated high-priority jobs by Service/Agency
debug Debug 30 Minutes 2,400 User diagnostic jobs
standard Standard 168 Hours 8,160 Normal priority user jobs
serial N/A 168 Hours 1 Serial user jobs
gpu N/A 24 Hours 48 GPU-accelerated jobs
transfer N/A 48 Hours N/A Data transfer jobs
bigmem N/A 96 Hours 288 Large-memory jobs
Lowest background Background 4 Hours 1,200 User jobs that will not be charged against the project allocation
Gordon is currently Up.

Gordon is a Cray XC40 system located at the Navy DSRC. It has 1,523 standard compute nodes, 8 large-memory compute nodes, and 168 Xeon Phi compute nodes (a total of 1,699 compute nodes or 51,008 compute cores). It has 208 TBytes of memory and is rated at 2 peak PFLOPS.

More Info

Available Documentation

Node Configuration
Login Nodes Compute Nodes
Standard Memory Large Memory Phi Accelerated
Total Cores | Nodes 192 | 6 48,736 | 1,523 256 | 8 2,016 | 168
Operating System SLES Cray Linux Environment
Cores/Node 32 12 + 1 Phi
(1 x 60 Phi cores)
Core Type Intel Xeon E5-2698v3 Intel Xeon E5-2696v2
+Intel Xeon 5120D Phi
Core Speed 2.3 GHz 2.4 GHz
+1.05 GHz
Memory/Node 256 GBytes 128 GBytes 512 GBytes 64 GBytes
+8 GBytes
Accessible Memory/Node 240 GBytes 125 GBytes 510 GBytes 63 GBytes
+7.5 GBytes
Memory Model Shared on node. Shared on node.
Distributed across cluster.
Interconnect Type Ethernet Cray Aries / Dragonfly
Queue Descriptions and Limits
Priority Queue
Name		 Job
Class		 Max Wall
Clock Time		 Max Cores
Per Job		 Comments
Highest urgent Urgent 24 Hours 768 Jobs belonging to DoD HPCMP Urgent Projects
Down arrow for decreasing priority frontier Frontier 168 Hours 16,000 Designated Frontier projects by DoD HPCMP
high High 168 Hours 16,000 Jobs belonging to DoD HPCMP High Priority Projects
debug Debug 30 Minutes 3,072 User diagnostic jobs
standard Standard 168 Hours 8,000 Standard jobs
phi N/A 168 Hours 2,016 Phi-accelerated jobs
bigmem N/A 24 Hours 224 Large-memory jobs
transfer N/A 48 Hours N/A Data transfer for user jobs
Lowest background Background 4 Hours 3,200 Unrestricted access - no allocation charge
Koehr is currently Up.

Koehr is an HPE SGI 8600 system located at the Navy DSRC. It has 704 standard compute nodes, 16 large-memory nodes, and 32 GPU-accelerated nodes (a total of 752 compute nodes or 36,096 compute cores). It has 154 TBytes of memory and is rated at 3.05 peak PFLOPS.

More Info

Available Documentation

Node Configuration
Login Nodes Compute Nodes
Standard Memory Large Memory GPU Accelerated
Total Cores | Nodes 384 | 8 33,792 | 704 768 | 16 1,536 | 32
Operating System RHEL
Cores/Node 48 48 + 1 GPU
(1 x 3,584 GPU cores)
Core Type Intel Xeon Platinum 8168 Intel Xeon Platinum 8168
+NVIDIA Tesla P100
Core Speed 2.7 GHz
Memory/Node 384 GBytes 192 GBytes 768 GBytes 384 GBytes
+16 GBytes
Accessible Memory/Node 380 GBytes 180 GBytes 744 GBytes 372 GBytes
Memory Model Shared on node. Shared on node.
Distributed across cluster.
Interconnect Type Intel Omni-Path
Queue Descriptions and Limits
Priority Queue
Name		 Job
Class		 Max Wall
Clock Time		 Max Cores
Per Job		 Comments
Highest urgent Urgent 24 Hours 768 Designated urgent projects by DoD HPCMP
Down arrow for decreasing priority frontier Frontier 168 Hours 14,400 Designated frontier projects by DoD HPCMP
high High 168 Hours 15,840 Designated high-priority jobs by Service/Agency
debug Debug 30 Minutes 2,400 User diagnostic jobs
standard Standard 168 Hours 8,160 Normal priority user jobs
serial N/A 168 Hours 1 Serial user jobs
gpu N/A 24 Hours 48 GPU-accelerated jobs
transfer N/A 48 Hours N/A Data transfer jobs
bigmem N/A 96 Hours 288 Large-memory jobs
Lowest background Background 4 Hours 1,200 User jobs that will not be charged against the project allocation
Mustang is currently Up.

Mustang is an HPE SGI 8600 system located at the AFRL DSRC. It has 1,128 standard compute nodes, 24 large-memory compute nodes, and 24 GPU compute nodes (a total of 1,176 compute nodes or 56,448 compute cores). It has 244 TBytes of memory and is rated at 4.88 peak PFLOPS.

More Info

Available Documentation

Node Configuration
Login Nodes Compute Nodes
Standard Memory Large Memory GPU Accelerated
Total Cores | Nodes 576 | 12 54,144 | 1,128 1,152 | 24 1,152 | 24
Operating System RHEL
Cores/Node 48 48 + 1 GPU
(1 x 8,584 GPU cores)
Core Type Intel Xeon Platinum 8168 Intel Xeon Platinum 8168
+NVIDIA Tesla P100
Core Speed 2.7 GHz
Memory/Node 384 GBytes 192 GBytes 768 GBytes 384 GBytes
+16 GBytes
Accessible Memory/Node 380 GBytes 180 GBytes 744 GBytes 372 GBytes
Memory Model Shared on node. Shared on node.
Distributed across cluster.
Interconnect Type Intel Omni-Path
Queue Descriptions and Limits
Priority Queue
Name		 Job
Class		 Max Wall
Clock Time		 Max Cores
Per Job		 Comments
Highest urgent Urgent 168 Hours 28,224 Jobs belonging to DoD HPCMP Urgent Projects
Down arrow for decreasing priority debug Debug 1 Hour 1,152 User testing
high High 168 Hours 28,224 Jobs belonging to DoD HPCMP High Priority Projects
frontier Frontier 168 Hours 28,224 Jobs belonging to DoD HPCMP Frontier Projects
standard Standard 168 Hours 28,224 Standard jobs
HIE N/A 24 Hours 96 Rapid response for interactive work
transfer N/A 48 Hours 1 Data transfer for user jobs
Lowest background Background 120 Hours 48 Unrestricted access - no allocation charge
Onyx is currently Up.

Onyx is a Cray XC40/50 system located at the ERDC DSRC. It has 4,810 standard compute nodes, 4 large-memory compute nodes, 32 KNL nodes, and 32 GPU compute nodes (a total of 4,878 compute nodes or 214,568 compute cores). It has 616 TBytes of memory and is rated at 6.06 peak PFLOPS.

More Info

Available Documentation

Node Configuration
Login Nodes Compute Nodes
Standard Memory Large Memory KNL GPU Accelerated
Total Cores | Nodes 264 | 12 211,640 | 4,810 176 | 4 2,048 | 32 704 | 32
Operating System SLES Cray Linux Environment
Cores/Node 22 44 64 22 + 1 GPU
(1 x 3,584 GPU cores)
Core Type Intel Xeon
E5-2699v4 Broadwell		 Intel Xeon Phi 7230
(Knights Landing)		 Intel Xeon
E5-2699v4 Broadwell
+NVIDIA Pascal GPU (Tesla P100)
Core Speed 2.8 GHz 1.3 GHz 2.8 GHz
Memory/Node 256 GBytes 128 GBytes 1 TByte 96 GBytes 256 GBytes
+16 GBytes
Accessible Memory/Node 8 GBytes 121 GBytes 991 GBytes 90 GBytes 247 GBytes
+16 GBytes
Memory Model Shared on node. Shared on node.
Distributed across cluster.
Interconnect Type Ethernet Cray Aries
Queue Descriptions and Limits
Priority Queue
Name		 Max Wall
Clock Time		 Max
Jobs		 Min Cores
Per Job		 Max Cores
Per Job		 Comments
Highest urgent 24 Hours N/A 22 7,260 Designated urgent jobs by DoD HPCMP
Down arrow for decreasing priority test 24 Hours N/A 22 N/A Staff-only testing
debug 1 Hour 4 22 11,484 User testing
HIE 24 Hours 2 22 110 Rapid response for interactive work
frontier_lg 24 Hours 2 7,261 143,968 Frontier projects only (large jobs)
frontier_lw 168 Hours 15 22 15,708 Frontier projects only (long walltime)
frontier_sm 48 Hours 70 22 7,260 Frontier projects only (small jobs)
high_lg 24 Hours 2 8,449 105,820 Designated high-priority jobs by Service/Agency (large jobs)
high_lw 168 Hours 3 22 10,824 Designated high-priority jobs by Service/Agency (long walltime)
high_sm 24 Hours 70 22 8,448 Designated high-priority jobs by Service/Agency (small jobs)
frontier_md 96 Hours 2 15,709 34,540 Frontier projects only (medium sized, long walltime)
MLA 24 Hours N/A 1 N/A Jobs for the GPU (Pearl) nodes
standard_lg 24 Hours 2 7,261 105,820 Normal priority jobs (large jobs)
standard_lw 168 Hours 3 22 5,808 Normal priority jobs (long walltime)
standard_sm 24 Hours 70 22 7,260 Normal priority jobs (small jobs)
transfer 48 Hours 6 1 1 Data transfer jobs. Access to the long-term storage
Lowest background 4 Hours 6 22 7,260 Unrestricted access - no allocation charge