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New Jet/Energy Processor Upgrade for Phase-1: Enabling Next-Generation Performance

Upgrade your Jet/Energy Processor system with the new JEP for Phase-1 to ensure optimal performance. The transition will be smooth, with limited spare parts availability being a key consideration. The new JEP will feature advanced optical signaling options and modular JEMs for enhanced functionality. The upgrade plan involves gradually integrating the nJEP alongside the current system, ensuring continuous operation. Prepare for Phase-2 compatibility by adopting the new processor and leveraging its increased input capacity and improved algorithms. Stay ahead of the curve with this essential upgrade.

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New Jet/Energy Processor Upgrade for Phase-1: Enabling Next-Generation Performance

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  1. Phase-1 with new JEP UliSchäfer Johannes Gutenberg-Universität Mainz

  2. New Jet/Energy processor • JEP will be of very old age by time of phase-1 upgrade • Limited availability of spares • FPGAs not supported by current design tools • LArgsignals will be available optically at high granularity • Tile optical signals might become available at a later stage JEP comprised of JEMs, based on modular concept (mezzanines) • Staged upgrade of JEP, so as to guarantee smooth changeover. Minimal approach: • Increase JEM optical output capacity by renewal of low-cost daughter modules • Add nJEP processor next to topology processor module, to receive JEM optical real-time output • Keep JEP running while nJEP being commissioned… • Eventually switch to nJEP based jet trigger • Use old JEMs for e/o conversion of tile signals only • Replace JEMs with simple and cheap converter modules as further spares are required • Consider feeding nJEP directly from PPr • In case we were running into a latency crisis, full JEP replacement by o/e converter modules would be effective and affordable

  3. Phase-1 upgrade with new JEP nJEP Jul 27, nJEP tile

  4. nJEP : towards phase-2 • Minimal approach is basically replacement of aging JEP • nJEP to provide plenty of spare input capacity • Improve algorithms by making use of granularity available from DPP • Add higher granularity optical input from tile as it becomes available • nJEP to be built phase-2 compliant

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