8 September 2023 - 8:00pm
Introducing scrp-data, our second generation all-flash distributed storage system. This new, custom-built system will provide four times the capacity and double the sustained throughout of our previous distributed file system, all contained within a 2U rackmount server. Once it is online, this new system will be one of the fastest installed among all academic HPC systems in Hong Kong.
20 June 2023 - 10:00am
During the June 2023 maintenance,the cluster has suffered data loss on the distributed storage (
~/large-data) due to software issues. This preliminary report detail what had happened and what we plan to do to avoid similar incidents in the future.
3 December 2022 - 1:00am
The video version of this post is avaiable here.
1 September 2022 - 2:00pm
Running RStudio within Jupyter has been possible for quite some time with
jupyter-server-proxy. Doing so has its benefits, notably the ability to leverage JupyterHub’s
systemdspawner to control the amount of resources users can use, a feature that is not available in the free version of RStudio.
7 February 2022 - 3:47pm
This is the first of a multi-part series on how to optimize linear algebra performance as of January 2022. We will go over how to optimize BLAS/LAPACK performance on AMD CPUs, focusing on R because it is most affected by this process. In Part 2, we will compare the performance of various software commonly used in economics.