Tags

C++

• Speeding up and Parallelising R packages (using Rcpp and C++)

CUDA

• Unification of Memory on the Grace Hopper Nodes

GPU

• A look at the Grace Hopper superchip

Grace Hopper

• Unification of Memory on the Grace Hopper Nodes

HPC

• Call for testers: the next phase of Apocrita
• Call for testers: the next phase of Apocrita
• Apocrita Workshop
• Promoting Linux and High Performance Computing at QMUL
• HPC Leap Day Event
• High Performance Computing for SEMS
• High Performance Computing for the Wolfson Institute Population Health
• Let's talk about Linux and High Performance Computing
• Linux for Apocrita Workshop

Linux

• Call for testers: the next phase of Apocrita
• Apocrita Workshop
• Promoting Linux and High Performance Computing at QMUL
• HPC Leap Day Event
• High Performance Computing for SEMS
• Let's talk about Linux and High Performance Computing
• Linux for Apocrita Workshop

NVIDIA

• Unification of Memory on the Grace Hopper Nodes

PyTorch

• A Short Guide to PyTorch DDP

QMUL

• Call for testers: the next phase of Apocrita
• Apocrita Workshop
• Promoting Linux and High Performance Computing at QMUL
• HPC Leap Day Event
• High Performance Computing for SEMS
• High Performance Computing for the Wolfson Institute Population Health
• Let's talk about Linux and High Performance Computing
• Linux for Apocrita Workshop

R

• Speeding up and Parallelising R packages (using Rcpp and C++)

SEMS

• High Performance Computing for SEMS

Tier2

• Some Pleasingly Parallel GPU Case Studies in Machine Learning
• Some Strategies for Using Multiple Nodes of GPUs

WHRI

• One year of code review club with the William Harvey Research Institute

WIPH

• High Performance Computing for the Wolfson Institute Population Health

ai

• Running Machine Learning workloads on Apocrita

anaconda

• Using R inside of Anaconda
• Installing Anaconda packages more quickly using Mamba

announcement

• NAG Fortran compiler available on Apocrita for SEF

apocrita

• Using Apocrita's GPUs with OpenMP
• Remote development on Apocrita with Visual Studio Code

applications

• NAG Fortran compiler available on Apocrita for SEF
• Short queue
• Deprecated modules
• Deprecated openmpi 2.0.2-gcc module
• Development modules update
• Modules Update April 2019
• Modules Update August 2019
• Modules Update December 2019
• Modules Update December 2021
• Modules Update December 2022
• Modules Update December 2023
• Modules Update March 2019
• Update of environment modules to version 4.2.1
• Update of environment modules to version 5.3.0
• Python performance in containers
• New cluster announcement
• Changes to R in August 2023
• Upgraded highmem nodes on Apocrita
• Installing R packages more quickly using Ncpus
• Using R inside of Anaconda
• R Tutorial Part Two - R vs RStudio
• R Tutorial Part One - Top Tips
• Installing Anaconda packages more quickly using Mamba
• Creating and Using Private Modules
• Using Git projects within RStudio
• Speeding Up Grep Searches

bash

• Beginner’s Guide to Regular Expressions with Examples

beginner

• Apocrita says Hello, world! Basic use of our cluster

benchmarking

• Python performance in containers
• A look at the Grace Hopper superchip
• Performance testing with NVMe storage and Spectrum Scale 5

code review

• One year of code review club with the William Harvey Research Institute

coding

• Getting REAL with Fortran

community

• Apocrita Workshop
• Promoting Linux and High Performance Computing at QMUL
• HPC Leap Day Event
• High Performance Computing for SEMS
• High Performance Computing for the Wolfson Institute Population Health
• Let's talk about Linux and High Performance Computing
• Linux for Apocrita Workshop

compilation

• Assessing code quality with the NAG Fortran compiler
• Using compiler options to help debug programs
• Apocrita says Hello, world! Basic use of our cluster

compilers

• NAG Fortran compiler available on Apocrita for SEF
• When good compilers go bad
• Intel Parallel Studio XE 2020 update 4
• Intel Inspector 2022.2 on Apocrita

compression

• Comparing common compression tools using real-world data

containers

• Python performance in containers

cpu

• Using Apocrita's GPUs with OpenMP

crucible

• One year of code review club with the William Harvey Research Institute

deprecated

• Deprecated modules
• Deprecated openmpi 2.0.2-gcc module
• Development modules update

dev

• Development modules update
• Modules Update April 2019
• Modules Update August 2019
• Modules Update December 2019
• Modules Update December 2021
• Modules Update December 2022
• Modules Update December 2023
• Modules Update March 2019

digital humanities

• A Large Scale Ancestry Study | Living with Machines

distributed programming

• Some Pleasingly Parallel GPU Case Studies in Machine Learning
• A Short Guide to PyTorch DDP
• Some Strategies for Using Multiple Nodes of GPUs

documentation

• Using Ford to document Fortran programs

event

• Going to the HPC-SIG 2023

faq

• ITS Research FAQ regarding use of services during COVID-19 pandemic

featured

• A look at the Grace Hopper superchip
• Comparing common compression tools using real-world data
• SSH authentication and regaining access to Apocrita

fortran

• NAG Fortran compiler available on Apocrita for SEF
• Assessing code quality with the NAG Fortran compiler
• When good compilers go bad
• Parameterized derived types in Fortran - introduction
• Getting REAL with Fortran
• Using Ford to document Fortran programs

git

• Using Git projects within RStudio

github

• GitHub Enterprise Upgrade 2.16
• Using Git projects within RStudio

gpu

• Unification of Memory on the Grace Hopper Nodes
• Some Pleasingly Parallel GPU Case Studies in Machine Learning
• A Short Guide to PyTorch DDP
• Some Strategies for Using Multiple Nodes of GPUs
• Running Machine Learning workloads on Apocrita

grep

• Speeding Up Grep Searches

hpc

• Short queue
• A look at the Grace Hopper superchip
• Comparing common compression tools using real-world data
• Cluster Hardware Upgrades and Additions
• Simplification of parallel queues on Apocrita
• New cluster announcement
• Migrating to a new research storage system
• Going to the HPC-SIG 2023
• New Role at QMUL: Research Community Lead
• Apocrita newsletter - March 2020
• ITS Research FAQ regarding use of services during COVID-19 pandemic
• Unification of Memory on the Grace Hopper Nodes
• Some Pleasingly Parallel GPU Case Studies in Machine Learning
• A Short Guide to PyTorch DDP
• Some Strategies for Using Multiple Nodes of GPUs
• Running Machine Learning workloads on Apocrita
• Productivity tips for Apocrita cluster users
• Using job statistics to increase job performance and reduce queueing time
• Sizing your Apocrita jobs for quicker results
• SSH authentication and regaining access to Apocrita

infrastructure

• 1PB added storage
• Cluster Hardware Upgrades and Additions
• Performance testing with NVMe storage and Spectrum Scale 5
• New cluster announcement
• A guide to using Apocrita's scratch storage
• New high performance storage for scratch data
• Tier 2 Announcement
• Cluster update summary

introduction

• Introducing Iain Stenson, RSE
• Introducing Sherman Lo, RSE
• RSE team activities up to June 2022
• What is the ITSR RSE team?

jupyter

• Visualising HEALPix results with Jupyter Notebook

language-features

• Parameterized derived types in Fortran - introduction

maintenance

• GitHub Enterprise Upgrade 2.16

mamba

• Installing Anaconda packages more quickly using Mamba

member

• New Role at QMUL: Research Community Lead

modules

• Deprecated modules
• Deprecated openmpi 2.0.2-gcc module
• Development modules update
• Modules Update April 2019
• Modules Update August 2019
• Modules Update December 2019
• Modules Update December 2021
• Modules Update December 2022
• Modules Update December 2023
• Modules Update March 2019
• Update of environment modules to version 4.2.1
• Update of environment modules to version 5.3.0
• Creating and Using Private Modules

mpi

• Deprecated openmpi 2.0.2-gcc module
• Simplification of parallel queues on Apocrita
• Tier 2 Announcement
• Intel Parallel Studio XE 2020 update 4

networking

• Cluster Hardware Upgrades and Additions

news

• Call for testers: the next phase of Apocrita
• Apocrita Workshop
• Promoting Linux and High Performance Computing at QMUL
• HPC Leap Day Event
• High Performance Computing for SEMS
• Let's talk about Linux and High Performance Computing
• Linux for Apocrita Workshop
• Intel Parallel Studio XE 2020 update 4

nodes

• Cluster Hardware Upgrades and Additions
• New cluster announcement
• Cluster update summary
• Apocrita newsletter - March 2020

ondemand

• R Tutorial Part Two - R vs RStudio
• Visualising HEALPix results with Jupyter Notebook

openmp

• Using Apocrita's GPUs with OpenMP

optimisation

• Speeding up and Parallelising R packages (using Rcpp and C++)

optimization

• Pythonic Parallel Processing for HPC: Your Gauss is as good as mine
• A Slight Case of Overthreading

programming

• Intel Inspector 2022.2 on Apocrita
• Pythonic Parallel Processing for HPC: Your Gauss is as good as mine
• A Slight Case of Overthreading

python

• Python performance in containers
• Pythonic Parallel Processing for HPC: Your Gauss is as good as mine
• Faster Fast Fourier Transforms in Python
• Jigsaws with GIMP and Python
• A Slight Case of Overthreading
• Visualising HEALPix results with Jupyter Notebook
• Beginner’s Guide to Regular Expressions with Examples

queues

• Short queue
• Productivity tips for Apocrita cluster users
• Using job statistics to increase job performance and reduce queueing time
• Sizing your Apocrita jobs for quicker results

r

• Changes to R in August 2023
• Upgraded highmem nodes on Apocrita
• R Workflow
• Installing R packages more quickly using Ncpus
• Using R inside of Anaconda
• R Tutorial Part Two - R vs RStudio
• R Tutorial Part One - Top Tips

regex

• Beginner’s Guide to Regular Expressions with Examples

research

• Going to the HPC-SIG 2023
• New Role at QMUL: Research Community Lead

rprojects

• Using Git projects within RStudio

rse

• R Workflow
• Assessing code quality with the NAG Fortran compiler
• When good compilers go bad
• Using compiler options to help debug programs
• Parameterized derived types in Fortran - introduction
• Using Apocrita's GPUs with OpenMP
• Intel Inspector 2022.2 on Apocrita
• Introducing Iain Stenson, RSE
• Introducing Sherman Lo, RSE
• Pythonic Parallel Processing for HPC: Your Gauss is as good as mine
• Faster Fast Fourier Transforms in Python
• RSE team activities up to June 2022
• Jigsaws with GIMP and Python
• Getting REAL with Fortran
• A Slight Case of Overthreading
• Introductory computing skills for researchers: Software Carpentry with RSLondon
• Using Ford to document Fortran programs
• What is the ITSR RSE team?

rse python

• Comparison of Python Distributions on Apocrita

rstudio

• Using Git projects within RStudio

scheme

• Jigsaws with GIMP and Python

scratch

• Performance testing with NVMe storage and Spectrum Scale 5
• A guide to using Apocrita's scratch storage
• New high performance storage for scratch data

sed

• Beginner’s Guide to Regular Expressions with Examples

software engineering

• Unification of Memory on the Grace Hopper Nodes
• A Large Scale Ancestry Study | Living with Machines
• Some Pleasingly Parallel GPU Case Studies in Machine Learning
• A Short Guide to PyTorch DDP
• Some Strategies for Using Multiple Nodes of GPUs

storage

• Comparing common compression tools using real-world data
• 1PB added storage
• Cluster Hardware Upgrades and Additions
• Performance testing with NVMe storage and Spectrum Scale 5
• File Permissions
• Home and Group Directories
• Keeping Files Tidy
• New cluster announcement
• A guide to using Apocrita's scratch storage
• New high performance storage for scratch data
• Migrating to a new research storage system
• Cluster update summary

talk

• Let's talk about Linux and High Performance Computing

tensorflow

• Running Machine Learning workloads on Apocrita

tier2

• Tier 2 Announcement

training

• Introductory computing skills for researchers: Software Carpentry with RSLondon

tutorial

• R Workflow
• Assessing code quality with the NAG Fortran compiler
• When good compilers go bad
• Using compiler options to help debug programs
• Apocrita says Hello, world! Basic use of our cluster
• Faster Fast Fourier Transforms in Python
• Remote development on Apocrita with Visual Studio Code
• Installing R packages more quickly using Ncpus
• Using R inside of Anaconda
• R Tutorial Part Two - R vs RStudio
• R Tutorial Part One - Top Tips
• Running Machine Learning workloads on Apocrita
• Productivity tips for Apocrita cluster users
• Visualising HEALPix results with Jupyter Notebook
• Using job statistics to increase job performance and reduce queueing time
• Installing Anaconda packages more quickly using Mamba
• Creating and Using Private Modules
• Beginner’s Guide to Regular Expressions with Examples
• Using Git projects within RStudio
• Sizing your Apocrita jobs for quicker results
• Speeding Up Grep Searches
• SSH authentication and regaining access to Apocrita

unified memory

• Unification of Memory on the Grace Hopper Nodes

university

• Going to the HPC-SIG 2023

upgrade

• GitHub Enterprise Upgrade 2.16
• 1PB added storage
• New cluster announcement
• Migrating to a new research storage system
• Cluster update summary
• Apocrita newsletter - March 2020

visual studio code

• Remote development on Apocrita with Visual Studio Code

workshop

• High Performance Computing for SEMS
• High Performance Computing for the Wolfson Institute Population Health
• Linux for Apocrita Workshop