{"id":405080,"date":"2025-01-15T14:27:24","date_gmt":"2025-01-15T14:27:24","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ideal-hardware-configuration-for-fdtd-simulations\/"},"modified":"2025-01-15T14:27:24","modified_gmt":"2025-01-15T14:27:24","slug":"ideal-hardware-configuration-for-fdtd-simulations","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ideal-hardware-configuration-for-fdtd-simulations\/","title":{"rendered":"Ideal hardware configuration for FDTD simulations?"},"content":{"rendered":"

<p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Dear Lumerical community, <\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>We are currently planning on a new computer to run Lumerical simulations (FDTD solver). Our IT team sent us two quotes with slightly different configurations but the same processor and graphics card.<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”> <\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Version 1: <\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Processor: AMD Ryzen™ Threadripper™ PRO 7965WX (128 MB cache, 24 cores, 48 threads, 4.2GHz to 5.3GHz, 350 W)<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Graphics: NVIDIA® RTX™ 4000 Ada Generation<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Memory: 64 GB: 2 x 32 GB, DDR5, 5200 MT\/s, RDIMM, ECC<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>First Internal M.2 SSD: 2 TB, M.2, PCIe NVMe, SSD, Class 40<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”> <\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Version 2:<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Processor: AMD Ryzen™ Threadripper™ PRO 7965WX Processor (4.20 GHz up to 5.30 GHz)<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Graphics: NVIDIA RTX™ 4000 Ada Generation<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Memory: 16 GB DDR5-4800MHz (RDIMM, ECC) <\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Onboard M.2 SSD: 2 TB SSD M.2 2280 PCIe Gen4 Performance TLC Opal<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”> <\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>We have already checked the Ansys platform support website. Ansys has successfully tested the graphics card type of the graphic card from the two quotes. The exact processor hasn’t been tested so far. However, different versions of AMD Ryzen processors have been tested, but a note has been mentioned for these: ‘Requires specific non-unified driver for installation’.<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span style=”font-size: 12pt;”><span lang=”EN-US” style=”mso-ansi-language: EN-US;”>Does anyone have experience with which of the two configurations above would be more beneficial for the Lumerical simulations (or if there should not be any difference in performance), and what is the most important property\/component to consider when deciding on a computer for FDTD simulations?<\/span><span lang=”EN-US” style=”mso-ansi-language: EN-US;”> <\/span><\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Many thanks for your advice in advance!<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Best wishes,<\/span><\/p><p class=”MsoNormal” style=”margin-bottom: 0cm; line-height: normal;”><span lang=”EN-US” style=”font-size: 12pt;”>Jasmin<\/span><\/p><\/p>\n","protected":false},"template":"","class_list":["post-405080","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27833"],"_bbp_topic_id":["405080"],"_bbp_subscription":["495062","473055"],"_bbp_author_ip":["163.1.18.114"],"_bbp_last_reply_id":["405386"],"_bbp_last_active_id":["405386"],"_bbp_last_active_time":["2025-01-17 10:01:56"],"_bbp_reply_count":["2"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["495062","473055"],"_btv_view_count":["1313"],"_bbp_topic_status":["unanswered"],"_edit_lock":["1736972481:473055"],"_bbp_notification_enabled":["473055"]},"test":"jasmin-buergerphysics-ox-ac-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/405080","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/405080\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=405080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}