diff --git a/materials/supercomputing.md b/materials/supercomputing.md index 6a779178..85d0183d 100644 --- a/materials/supercomputing.md +++ b/materials/supercomputing.md @@ -16,54 +16,7 @@ * **CSC specialist support** * **Free of charge for open science** at Finnish universities and research institutes. -## Supercomputers in Kajaani -![](./images/lumi2.jpg) - -Name | CPUs | GPUs | Pre-installed GIS tools | Finnish spatial data locally | Scope | ---- | --- | --- | --- | --- | --- | -**Puhti** | 28 000 | 240 Nvidia V100 | **20** | **Yes** | Finland | -**Mahti** | 90 000 | 96 Nvidia A100 | 1 | No | Finland | -**LUMI** | **100 000** | **10 000** AMD MI250X | 5 | No | EU | - -Puhti: -* From interactive single core to medium scale parallel analysis -* **The first option to consider for Finnish academic projects** -* [CSC Docs: Technical details about Puhti](https://docs.csc.fi/computing/systems-puhti/) - -Mahti: -* For medium and large scale parallel analysis -* Projects move from Puhti to Mahti, once Puhti recources become limiting. -* [CSC Docs: Technical details about Mahti](https://docs.csc.fi/computing/systems-mahti/) - -LUMI: -* For very large scale analysis -* **For companies and international projects** -* [LUMI Docs: Hardware overview](https://docs.lumi-supercomputer.eu/hardware/) - - -## Puhti compared to other options - -| | Puhti supercomputer| cPouta virtual machine| my laptop | -|---|---| ---|---| -|Max per job: CPU | **4000** | 48 | 4 | -|Max per job: memory, Gb | **1500** | 240 | 18 | -|Max per job: GPU | **80** | 4 | 1 | -|Pre-installed GIS tools | **Yes** | No | No | -|Main Finnish datasets | **Yes** | No | No | -|Admin rights | No | **Yes** | Yes | - - -:::{admonition} Computing speed -:class: important - -* Single core speed: supercompter ~ laptop -* **To increase speed, use many cores**: - * **Scripts for parallization** - * Tools that support parallelization out-of-the-box - * GPU tools -* Running a single core tool/script on many cores will not help -::: ### Graphical tools -> scripts @@ -85,3 +38,14 @@ LUMI: * Note, that especially with map sheets extra care might be needed for border areas, for example use overlapping map sheets with [virtual rasters](https://docs.csc.fi/support/tutorials/gis/virtual-rasters/). ::: + +:::{admonition} Computing speed +:class: important + +* Single core speed: supercompter ~ laptop +* **To increase speed, use many cores**: + * **Scripts for parallization** + * Tools that support parallelization out-of-the-box + * GPU tools +* Running a single core tool/script on many cores will not help +:::