Update job-scheduling.md

docs.it4i/cs/job-scheduling.md

@@ -203,4 +203,35 @@ Whole node allocation:
 sbatch -A PROJECT-ID -p p05-synt ./script.sh
 ```
 
+## Features
+
+Nodes have feature tags assigned to them.
+Users can select nodes based on the feature tags using --constraint option.
+
+| Feature | Description |
+| ------ | ------ |
+| aarch64 | platform |
+| x86_64 | platform |
+| amd | manufacturer |
+| intel | manufacturer |
+| icelake | processor family |
+| broadwell | processor family |
+| milan | processor family |
+| ib | Infiniband |
+| ht | Hyperthreading enabled | 
+| noht | Hyperthreading disabled | 
+
+```
+$ sinfo -o '%16N %f'
+NODELIST         AVAIL_FEATURES
+p00-arm01        aarch64,cortex-a72
+p01-arm[01-08]   aarch64,a64fx,ib
+p02-intel01      x86_64,intel,icelake,ib,fpga,bitware,nvdimm,ht
+p02-intel02      x86_64,intel,icelake,ib,fpga,bitware,nvdimm,noht
+p03-amd01        x86_64,amd,milan,ib,gpgpu,mi100,fpga,xilinx,ht
+p03-amd02        x86_64,amd,milan,ib,gpgpu,mi100,fpga,xilinx,noht
+p04-edge01       x86_64,intel,broadwell,ib,ht
+p05-synt01       x86_64,amd,milan,ib,ht
+```
+
 [1]: https://slurm.schedmd.com/