{"id":2900,"date":"2024-03-22T09:43:38","date_gmt":"2024-03-22T09:43:38","guid":{"rendered":"https:\/\/blogs.qub.ac.uk\/dipsa\/?page_id=2900"},"modified":"2026-05-01T01:06:59","modified_gmt":"2026-05-01T00:06:59","slug":"kll","status":"publish","type":"page","link":"https:\/\/blogs.qub.ac.uk\/dipsa\/kll\/","title":{"rendered":"Kelvin Living Lab"},"content":{"rendered":"\n<h2 data-wp-context---core-fit-text=\"core\/fit-text::{&quot;fontSize&quot;:&quot;&quot;}\" data-wp-init---core-fit-text=\"core\/fit-text::callbacks.init\" data-wp-interactive data-wp-style--font-size=\"core\/fit-text::context.fontSize\" class=\"wp-block-heading has-fit-text\">Towards Net Zero High-Performance Computing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The purpose of the Kelvin Living Lab is to evaluate options which reduce the carbon emissions of the Kelvin-2 high-performance computing (HPC) to zero or negative. This will be achieved by improving efficiency and implementing scheduling and complementary technologies. HPC is a large electricity consumer and has a commensurate cooling requirement, which can significantly increase power consumption. Therefore, targeting the processing efficiency and waste heat offers the greatest opportunity to decarbonise. We aim to improve the sustainability of HPC through a multi-pronged approach:<\/p>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-2&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-2-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-2\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Developing software and hardware-based solutions towards sustainable computing \u200b<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-2\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-2-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">In the last two decades, various research has proposed ways to improve the energy efficiency of HPC systems, such as efficient scheduling of parallel applications, dynamic parallelism control and dynamic voltage and frequency scaling, including research by Hans Vandierendonck and Bronis de Supinski (e.g., EP\/M01147X\/1, EP\/L000555\/1 and EP\/M015742\/1). However, these techniques have not transitioned from research to practise due to unknown risks in the service. Our goal is to re-evaluate and adjust such techniques on an isolated slice of the Kelvin-2 system. Additionally, we will explore alternative node architectures, as different node architectures may present better energy efficiency for specific applications. We will, moreover, investigate whether we can leverage dynamic voltage and frequency scaling to help maintain the electrical utility grid&#8217;s stability, as renewable energy sources reduce the grid&#8217;s ability to counter dynamic stability problems, which limits their adoption. Based on expertise in time-synchronised instrumentation (OpenPMU), we will explore the adaptation of power consumption of HPC infrastructures in real time to counter electrical grid frequency fluctuations.<\/p>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-1&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-1-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-1\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\"><\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-1\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-1-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-3&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-3-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-3\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">User engagement with sustainability<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-3\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-3-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">It is an open question for HPC centres how to incentivise users to execute jobs sustainably. We can however inform users on the environmental impact of their jobs, e.g., through reporting energy and carbon usage. The missing links are operational policies and scheduling algorithms that prioritise jobs with environmental impact in mind. This requires a fair charging scheme that reflects on the optimality of the time-vs-energy trade-off of executing jobs (avoiding penalising large energy-efficient jobs because of their size).<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-4&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-4-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-4\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Operations for Net Zero HPC<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-4\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-4-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Utilising renewable sources can reduce the emissions associated with data processing significantly. By integrating HPC with other technologies which utilise the waste heat to capture or reduce the emissions of other processes they can be truly net zero. Using temperature data we will investigate various options for thermal enabled decarbonisation such as evaluation of novel direct air carbon capture (DAC) and co-location with heat consumers.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">We will maximise the impact of this project through knowledge sharing with other HPC facilities and stakeholders, which will be supported through collaborations with <a href=\"https:\/\/ni-hpc.ac.uk\/\">Northern Ireland HPC<\/a>, the eFutures 3.0 network on electronics, and industry partners Dell Technologies, AlcesFlight and Northern Ireland Electricity Networks.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:18% auto\"><figure class=\"wp-block-media-text__media\"><img fetchpriority=\"high\" decoding=\"async\" width=\"861\" height=\"856\" src=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/urja-logo.png\" alt=\"\" class=\"wp-image-3800 size-full\" srcset=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/urja-logo.png 861w, https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/urja-logo-300x298.png 300w, https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/urja-logo-150x150.png 150w, https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/urja-logo-768x764.png 768w\" sizes=\"(max-width: 861px) 100vw, 861px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h2 class=\"wp-block-heading has-text-align-center\">Introducing URJA<\/h2>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">A lightweight, non-intrusive user-space framework for profiling user applications and improving the energy efficiency of multi-threaded workloads by dynamically adjusting CPU frequencies through Dynamic Voltage and Frequency Scaling (DVFS).<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-outline is-style-outline--5\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"https:\/\/github.com\/DIPSA-QUB\/URJA\">Find on GitHub<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">People<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">Principal Investigator<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hans Vandierendonck, Electronics, Electrical Engineering &amp; Computer Science, Queen&#8217;s University Belfast<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Other Investigator<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>David Rooney, Chemistry and Chemical Engineering, Queen&#8217;s University Belfast<\/li>\n\n\n\n<li>David Laverty, Electronics, Electrical Engineering &amp; Computer Science, Queen&#8217;s University Belfast<\/li>\n\n\n\n<li>Bronis de Supinski, Electronics, Electrical Engineering &amp; Computer Science, Queen&#8217;s University Belfast<\/li>\n\n\n\n<li>Roger Woods, Electronics, Electrical Engineering &amp; Computer Science, Queen&#8217;s University Belfast<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Post-Doctoral Research Associate<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Syed Ibtisam Tauhidi, Electronics, Electrical Engineering &amp; Computer Science, Queen&#8217;s University Belfast<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Latest News<\/h2>\n\n\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 has-dates has-author wp-block-latest-posts\"><li><div class=\"wp-block-latest-posts__featured-image\"><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2025\/08\/cf973c88-02be-4493-b13c-3face3e98b73-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/user-behaviour-on-kelvin2-hpc\/\">User behaviour on Kelvin2 HPC<\/a><div class=\"wp-block-latest-posts__post-author\">by Syed Tauhidi<\/div><time datetime=\"2026-05-01T05:11:51+01:00\" class=\"wp-block-latest-posts__post-date\">1 May 2026<\/time><div class=\"wp-block-latest-posts__post-excerpt\">1. User Job Distribution: A Heavy-Tailed Workload The cluster&#8217;s workload is heavily concentrated among a very small fraction of the total user base.\u2026 <a class=\"wp-block-latest-posts__read-more\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/user-behaviour-on-kelvin2-hpc\/\" rel=\"noopener noreferrer\">Read more<span class=\"screen-reader-text\">: User behaviour on Kelvin2 HPC<\/span><\/a><\/div><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/05\/DATA4-Group-DATACENTER-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" srcset=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/05\/DATA4-Group-DATACENTER-150x150.jpeg 150w, https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/05\/DATA4-Group-DATACENTER-510x510.jpeg 510w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/analysis-of-kelvin2-slurm-logs\/\">Analysis of Kelvin2 SLURM logs<\/a><div class=\"wp-block-latest-posts__post-author\">by Syed Tauhidi<\/div><time datetime=\"2026-05-01T04:49:56+01:00\" class=\"wp-block-latest-posts__post-date\">1 May 2026<\/time><div class=\"wp-block-latest-posts__post-excerpt\">1. What predicts the waiting time? The factors that best predict how long a job will wait in the queue vary significantly depending\u2026 <a class=\"wp-block-latest-posts__read-more\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/analysis-of-kelvin2-slurm-logs\/\" rel=\"noopener noreferrer\">Read more<span class=\"screen-reader-text\">: Analysis of Kelvin2 SLURM logs<\/span><\/a><\/div><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/IMG_5345-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" srcset=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/IMG_5345-150x150.jpeg 150w, https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/IMG_5345-510x510.jpeg 510w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/mini-workshop-organised-at-collaboration-workshop-2026-cw26\/\">The Role of Research Software in Sustainable Computing<\/a><div class=\"wp-block-latest-posts__post-author\">by Syed Tauhidi<\/div><time datetime=\"2026-04-30T20:18:42+01:00\" class=\"wp-block-latest-posts__post-date\">30 April 2026<\/time><div class=\"wp-block-latest-posts__post-excerpt\">On 29 April 2026, during the Software Sustainability Institute&#8217;s (SSI) Collaborations Workshop 2026 (CW26) organised at ICC, Belfast, Syed Tauhidi and Hans Vandierendonck\u2026 <a class=\"wp-block-latest-posts__read-more\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/mini-workshop-organised-at-collaboration-workshop-2026-cw26\/\" rel=\"noopener noreferrer\">Read more<span class=\"screen-reader-text\">: The Role of Research Software in Sustainable Computing<\/span><\/a><\/div><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2024\/12\/PXL_20241210_082602436-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" srcset=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2024\/12\/PXL_20241210_082602436-150x150.jpg 150w, https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2024\/12\/PXL_20241210_082602436-510x510.jpg 510w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/introducing-urja\/\">Introducing URJA<\/a><div class=\"wp-block-latest-posts__post-author\">by Syed Tauhidi<\/div><time datetime=\"2026-03-01T03:46:52+00:00\" class=\"wp-block-latest-posts__post-date\">1 March 2026<\/time><div class=\"wp-block-latest-posts__post-excerpt\">In the world of high-performance computing, we often prioritise speed above all else. But as our applications grow more complex, they consume massive\u2026 <a class=\"wp-block-latest-posts__read-more\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/introducing-urja\/\" rel=\"noopener noreferrer\">Read more<span class=\"screen-reader-text\">: Introducing URJA<\/span><\/a><\/div><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/20251104_120159658_iOS-1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" srcset=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/20251104_120159658_iOS-1-150x150.jpg 150w, https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2026\/04\/20251104_120159658_iOS-1-510x510.jpg 510w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/we-were-at-the-ni-hpc-conference\/\">Talk and poster presentation at the NI-HPC 2025 conference<\/a><div class=\"wp-block-latest-posts__post-author\">by Syed Tauhidi<\/div><time datetime=\"2025-11-05T16:40:00+00:00\" class=\"wp-block-latest-posts__post-date\">5 November 2025<\/time><div class=\"wp-block-latest-posts__post-excerpt\">We attended the NI-HPC conference held on 4 November 2025 at Riddel Hall, Queen&#8217;s University, Belfast. Hans Vandierendonck presented and talked about the\u2026 <a class=\"wp-block-latest-posts__read-more\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/we-were-at-the-ni-hpc-conference\/\" rel=\"noopener noreferrer\">Read more<span class=\"screen-reader-text\">: Talk and poster presentation at the NI-HPC 2025 conference<\/span><\/a><\/div><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2025\/09\/PXL_20250905_122328203-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" srcset=\"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2025\/09\/PXL_20250905_122328203-150x150.jpg 150w, https:\/\/blogs.qub.ac.uk\/dipsa\/wp-content\/uploads\/sites\/14\/2025\/09\/PXL_20250905_122328203-510x510.jpg 510w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/poster-presentation-at-the-cluster-2025-conference\/\">Poster presentation on NI-ORCA at the CLUSTER 2025 conference<\/a><div class=\"wp-block-latest-posts__post-author\">by Syed Tauhidi<\/div><time datetime=\"2025-09-08T17:19:00+01:00\" class=\"wp-block-latest-posts__post-date\">8 September 2025<\/time><div class=\"wp-block-latest-posts__post-excerpt\">We attended the CLUSTER 2025 conference organised at the University of Edinburgh, Scotland, United Kingdom, between 2 and 5 September 2025. Syed Tauhidi\u2026 <a class=\"wp-block-latest-posts__read-more\" href=\"https:\/\/blogs.qub.ac.uk\/dipsa\/poster-presentation-at-the-cluster-2025-conference\/\" rel=\"noopener noreferrer\">Read more<span class=\"screen-reader-text\">: Poster presentation on NI-ORCA at the CLUSTER 2025 conference<\/span><\/a><\/div><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Towards Net Zero High-Performance Computing The purpose of the Kelvin Living Lab is to evaluate options which reduce the carbon emissions of the Kelvin-2 high-performance computing (HPC) to zero or negative. This will be achieved by improving efficiency and implementing scheduling and complementary technologies. HPC is a large electricity consumer and has a commensurate cooling [&hellip;]<\/p>\n","protected":false},"author":974,"featured_media":2872,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2900","page","type-page","status-publish","has-post-thumbnail","czr-hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-json\/wp\/v2\/pages\/2900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-json\/wp\/v2\/users\/974"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-json\/wp\/v2\/comments?post=2900"}],"version-history":[{"count":20,"href":"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-json\/wp\/v2\/pages\/2900\/revisions"}],"predecessor-version":[{"id":3808,"href":"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-json\/wp\/v2\/pages\/2900\/revisions\/3808"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-json\/wp\/v2\/media\/2872"}],"wp:attachment":[{"href":"https:\/\/blogs.qub.ac.uk\/dipsa\/wp-json\/wp\/v2\/media?parent=2900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}