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Trigger Upgrades Roadmap

Explore the recent progress, challenges, and potential of CMS trigger upgrades for Lvl-1 systems, focusing on architecture, firmware, online software, manpower resources, and more. Gain insights from workshops and discussions on standardizing hardware platforms, upgrading the Calorimeter-Trigger, and the future trigger designs. Discover the importance of infrastructure, global trigger integration, and criteria for selecting trigger systems. Stay updated on trigger firmware, organization, and recommendations for successful upgrades. Get a comprehensive summary and understand the substantial tasks ahead for a successful upgrade journey in the CMS trigger system.

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Trigger Upgrades Roadmap

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  1. Trigger Upgrades Roadmap • We have had a two day trigger session: • During the first day we went over all the on-going activities going on in the various institutions which are involved in the Lvl-1 trigger upgrade. The general conclusions from this session are: • A number of groups is currently developing uTCA devices for triggering • Two architectures have emerged as good candidates for a future system. • We believe that at the moment we have the expertise, but not necessarily the manpower, to carry on a successful upgrade. • All these independent efforts need to be brought in a coherent program. • During the second day we heard ideas on how to proceed in then next few years and insure a successful trigger upgrade. The topics addressed where: • What will be the next Lvl-1 trigger architecture ? • How will the firmware be organised ? • What online software model do we want to follow ? • What have we learned from LHC ? • What is the necessary infrastructure ? • Do we have the manpower resources to proceed ? • Did not discuss financial resources which are bound to be considerable. CMS Upgrades Workshop FNAL – 28.10.08

  2. uTCA Demonstrators CMS Upgrades Workshop FNAL – 30.10.09

  3. Common Hardware Platform • All this progress is very good because it shows that CMS is adapting to new technologies and standards and several groups can produce themselves devices using advanced technologies. • However, we have also moved away from our stated goal to have standard hardware platforms. • We cannot afford to proceed again like LHC with n-different designs and n-different experts even if this is something easier to agree on. CMS Upgrades Workshop FNAL – 30.10.09

  4. A plan on how to upgrade the Lvl-1 Calorimeter-Trigger Incomplete CMS Upgrades Workshop FNAL – 28.10.09

  5. Remaining Questions: • How does Global Trigger (GT) comes this picture ? • GT must upgrade is inputs to receive the new GCT optical links. • Need also to enhance the GT algorithm capability utilizing larger FPGs. • Does this mean that the muon-trigger interfaces have to adapt to this ? • The CSC trigger will be upgraded • Progress was reported by the Florida and Rice groups. • In the future we will hear surely about their design and see how does it fit in the new trigger chain. CMS Upgrades Workshop FNAL – 30.10.09

  6. Designs for the next trigger - I This has profound implications in the Trigger Primitive Generator System CMS Upgrades Workshop FNAL – 18.11.08

  7. Designs for the next trigger - II CMS Upgrades Workshop FNAL – 30.10.09

  8. Criteria for Choosing one of them: • Potential for extending CMS physics capability. • Cost and reliability. • Which one is easier to maintain ? • This has to be resolved by April 2010 !! CMS Upgrades Workshop FNAL – 18.11.08

  9. Online Software: R. Frazier • No effort has been devoted to this so far. • There was a good review yesterday by R. Frazier who reviewed the advantages and disadvantages of the LHC online framework who recommended: CMS Upgrades Workshop FNAL – 30.11.09

  10. Online Software-II CMS Upgrades Workshop FNAL – 18.11.08

  11. Online Software-III Manpower is urgently needed here CMS Upgrades Workshop FNAL – 30.10.09

  12. Trigger Firmware • Firmware introduces a great degree of flexibility in trigger systems provided that: • The designers have foreseen future needs and designed the hardware with enough spare capability. • Have strict rules, procedures, validation tests and the necessary organization to design, test and carry out successful firmware upgrades. This is far from trivial. • More and more firmware introduces a large ‘software component’ in to trigger groups similar to the offline one. We need to adapt to this. CMS Upgrades Workshop FNAL – 30.10.09

  13. Firmware Organization: M. Schulte CMS Upgrades Workshop FNAL – 30.10.09

  14. Firmware: Concluding Recommendations CMS Upgrades Workshop FNAL – 30.10.09

  15. M. Hansen: Infrastructure CMS Upgrades Workshop FNAL – 30.10.09

  16. Summary • We got a first and very preliminary picture of the problem we have in our hands. • We have still to address question of resources both in terms of manpower and in terms of money. • Based on these I tried to put together a first chart which by no means you should take seriously: We got a first taste of how big is the problem we have in our hands: Effort to locate the FTEs which make this schedule realistic started during this meeting and will no doubt continue in the near future…Please fill in a .xls sheet provided during the meeting. It can be found on the agenda page. CMS Upgrades Workshop FNAL – 30.10.09

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