Colossus is the TSD HPC cluster and is offered by UiO in collaboration with Sigma2 AS. Colossus access is a service on demand and any applicant will get access to the small UiO allocation by default. We strongly recommend you to use the much larger Sigma2 owned resources on Colossus, send an application to Sigma2.
Key numbers
Colossus is a cluster designed to handle multiple concurrent jobs and accommodate users with different requirements. The cluster profile is for medium range parallel applications with high memory and/or IO demands. Colossus consists of 64 compute nodes, 4 big memory nodes, 6 GPU accelerated nodes and 2 FPGA accelerated bioinformatics nodes running CentOS 7. The nodes are connected via Infiniband interconnect to a 3PB+ IBM ESS GPFS filesystem.
Allocations
The resources have been split across 3 allocations and access depends on whether quota/resources have been assigned to the project:
- Sigma2 allocation: available to projects which have requested and received quota from Sigma2
- TSD/UiO allocation: available to projects with HPC access set up
- Dedicated resources: several projects acquired one or more nodes for exclusive access
Resources per allocation
The following resources are available per allocation:
| Allocation | Node type | Allocation units: available resources per node |
|---|---|---|
|
Sigma2 (--account=pXX) |
24 compute nodes |
cores: 64 (2x AMD EPYC 7551/7452 32-core processors) memory: 487 GiB |
|
2 GPU accelerated nodes (--partition=accel) |
cores: 96 (2x AMD EPYC 7642 48-core processors) memory: 982 GiB gpus: 4 (Nvidia Tesla A100 40GB) |
|
|
4 bigmem nodes (--partition=bigmem) |
cores: 128 (2x AMD AMD EPYC 7702 64-core processors) memory: 3955 GiB localscratch: 7 TiB NVMe disk NOTE: Sigma2 has allocated 2 to a dedicated resource from 240514 until 241001. |
|
|
TSD/UiO (--account=pXX_tsd) |
12 compute nodes |
cores: 64 (2x AMD EPYC 7551/7452 32-core processors) memory: 487 GiB |
|
2 GPU accelerated nodes (--partition=accel) |
cores: 64 (2x AMD EPYC 7551 32-core processors) memory: 487 GiB gpus: 2 (Nvidia Tesla V100 32GB) |
|
|
Dedicated resources (--account=pXX_reservation) |
28 compute nodes |
cores: 64 (2x AMD EPYC 7551/7452 32-core processors) memory: 487 GiB |
|
2 GPU accelerated nodes (--partition=accel) |
cores: 64/96 (2x AMD EPYC 7551 32-core/7552 48-core processors) memory: 487 GiB gpus: 2 (Nvidia Tesla V100 32GB) |
|
|
2 FPGA accelerated Dragen (--account=pXX_dragen) |
cores: 24 (2x Intel Xeon Gold 6226 12-core processors) memory: 250 GiB Illumina Dragen software |
Seach the user manual
Call us
Opening hours are weekdays from 08:30 to 17:00 and Saturdays from 10:00 to 15:00.
Phone number: 22 84 00 04
Book a Zoom meeting
Students and employees can book a Zoom meeting with UiO Helpdesk. Available hours are Tuesday to Thursday between 11:00 and 13:00.
Book a video call