Irene specifications
Partitions
An overview of partitions specifications of the supercomputer Irene, as described in the official documentation, and some insights for Brainvisa use.
Skylake
Intended for regular computation.
Specs
- Partion name: skylake
- CPUs: 2x24-cores Intel Skylake@2.7GHz (AVX512)
- Cores/Node: 48
- Nodes: 1 656
- Total cores: 79 488
- RAM/Node: 180GB
- RAM/Core: 3.75GB
KNL
Intended for regular computation.
Specs
- Partition name: knl
- CPUs: 1x68-cores Intel KNL@1.4GHz
- Cores/Node: 64 (With 4 additional cores reserved for the operating system. They are referenced by the scheduler but not taken into account for hours consumption.)
- Nodes: 828
- Total cores : 52 992
- RAM/Node: 96GB
- RAM/Core: 1.4GB
- Cluster mode is set to quadrant
- MCDRAM (Multi-Channel Dynamic Random Access Memory) is set as a last-level cache (cache mode)
Rome
Intended for regular computation.
Specs
- Partition name : Rome
- CPUs: 2x64 AMD Rome@2.6Ghz (AVX2)
- Core/Node: 128
- Nodes: 2292
- Total core: 293376
- RAM/Node: 256GB
- RAM/core : 2GB
Hybrid
Intended for GPU computing and graphical usage.
Specs
- Partition name: hybrid
- CPUs: 2x24-cores Intel Skylake@2.7GHz (AVX512)
- GPUs: 1x Nvidia Pascal P100
- Cores/Node: 48
- Nodes: 20
- Total cores: 960 (+ 20 GPU)
- RAM/Node: 192GB
- RAM/Core: 4GB
- I/O: 1 HDD 250 GB + 1 SSD 800 GB/NVMe
Fat
Intended for high shared memory needs but the computation should last a reasonable amount of time and use only one node.
Specs
- Partition name: xlarge
- CPUs: 4x28-cores Intel Skylake@2.1GHz
- GPUs: 1x Nvidia Pascal P100
- Cores/Node: 112
- Nodes: 5
- Total cores: 560
- RAM/Node: 3TB
- RAM/Core: 27GB
- IO: 2 HDD de 1 TB + 1 SSD 1600 GB/NVMe
V100
Intended for GPU computing and AI.
Specs
- Partition name: V100
- CPUs: 2x20-cores Intel Cascadelake@2.1GHz (AVX512)
- GPUs: 4x Nvidia Tesla V100
- Cores/Node: 40
- Nodes: 32
- Total cores: 1280 (+ 128 GPU)
- RAM/Node: 180 GB
- RAM/Core: 4.5 GB
ARM A64FX
Intended for regular computation.
Specs
- Partition name: A64FX
- CPUs: 1x48 A64FX Armv8.2-A SVE @2.2Ghz
- Core/Node: 48
- Nodes: 80
- Total core: 3840
- RAM/Node: 34GB
- RAM/core: 698MB
Comments
- Skylake, Knl, Fat and Hybrid are only visible from Irene login, although Rome and V100 partitions are only visible from Irene AMD login.