Create csc_supercomputers.md

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+# CSC Supercomputers
+
+![](./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:
+* Owned by LUMI consortium: 11 countries + EU
+* For very large scale analysis
+* Mainly GPU-machine -> for deep learning projects
+* **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 |