skip to content

Research Computing Services

ISC 2018 - A technicians experience - Joe Stankiewicz

20 August 2018

I have been an HPC Systems Technician for two and a half years at the University of Cambridge. This was my first experience of a conference, and so was not sure what to expect; especially in terms of what the feel of the conference would be like. I scoured the schedule in advance, so as to have some plan for my activates...

Read more

ISC 2018 - Experience - Dominic Friend

5 July 2018

Sunday 24th June 2018 Today is day the first day of the week long International Supercomputing (ISC) 2018 conference which is held annually in Frankfurt, Germany. The busy schedule is split into a preliminary day of hands-on tutorials, three days of the conference proper and a final day of workshops. Outside of this, all...

Read more

Performance impact of meltdown patches on Lustre I/O

8 May 2018

We are investigating a performance problem with several key applications on CSD3. This problem appears to be linked to the Meltdown/Spectre patches and causes a performance regression in I/O. This work focuses on Lustre.

Read more

Performance impact of meltdown patches on Intel Omnipath

30 April 2018

When deploying the meltdown patches on the Intel Xeon (skylake) and Intel Xeon Phi (Knights Landing) processors on Peta 4, part of the CSD3 system at the University of Cambridge, one of the concerns was that the performance of the Intel Omnipath interconnect might be compromised.

Read more

Performance impact of meltdown patches on Infiniband

30 April 2018

When deploying the meltdown patches on the Wilkes2 supercomputer, part of the CSD3 system at the University of Cambridge, one of the concerns was that the performance of our Mellanox EDR interconnect might be compromised.

Read more