Brief notes from a mtg on Oct. 4 2021 with Mona, Elliott, Seema, Iris, Seshu, Chris
Link to psana2 user-documentation is here: psana
- psana is now "dgram-type" driven (a.k.a "multirun" concept)
- "broadcast": calibration constants, configurations, 1Hz "slow update" transitions
- support destination/filter/srv callbacks
- support step scans
- support environment store (motor positions, temperatures broadcast in slow-update transitions
- psana supports four modes of running: single-file, shmem, serial, parallel (will also support running in daq/drp in the future)
- legion only needs to support parallel mode, but shouldn't interfere with the other modes
- not ideal: keep the callback interface for legion, vs. loop interface for psana?
- ideally run all tests: but could be difficult with two interfaces (callback/loop)
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