To be able to process data at 30 MHz, the possibility of running the full HLT1 on GPUs is currently being studied.

The repository of the project is Allen.

A full HLT1 implementation on GPUs is available and was documented in detail for the accelerator's review in June 2019:

review document

Link to review Indico page

If you want to join the effort, you are more than welcome. Please contact Daniel ( and/or Dorothea (

The mailing list is lhcb-rta-accelerators.

To do list

The list of items to be worked on, currently being worked on, and finished can be found here together with the people to whom they are assigned:

Past meetings

Past meetings since Allen is part of WP6 of RTA:

Past meetings before Allen became part of WP6 of RTA:

Minutes from the meetings:

-- DorotheaVomBruch - 2018-03-13

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Topic revision: r9 - 2019-08-05 - DorotheaVomBruch
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