SGN F2F UWM – April 6 - April 10
Schedule:
Every morning: pastries/bagels & coffee
All other meals, with the exception of a face-to-face dinner, will not be provided.
The face-to-face dinner will be on Tuesday April 7, 2026 at 6 pm at Cafe Hollander.
Monday : KIRC 2175
| time | topic | details |
|---|---|---|
| 9:00 AM | Tell us about your IR1 nightmares | Each of sgn-cal, sgnl, sgnllai will report on what is keeping them up at night for IR1 |
| 9:20 AM | Tell us about your IR1 dreams | Each of sgn-cal, sgnl, sgnllai will report what would make IR1 bliss |
| 9:40 AM | (Re)Framing the Framework | Stakeholders should bring well curated and thought-through actionalble critiques of the sgn* framework |
| 10:00 | Plan out the week’s hackathons | |
| 10:30 | Hackathon 1 | TBD |
| 12:00 | Lunch | On your own |
| 1:00 | Hackathon 2 | TBD |
| 2:45 | Hackathon 3 | TBD |
| 4:30 | Recap and debrief | Report the status of hacking and items to bring to the groups attention; discuss agenda for tomorrow |
| ??? | Dinner | self organized |
Tuesday : KIRC 2035
| time | topic | details |
|---|---|---|
| 9:00 AM | SGN DQ | New scope projects to help streamline detchar / DQ tasks |
| 9:45 AM | Streaming ecosystem (scald, kafka, influx, grafana) | Describe how people can instrument monitoring and streaming results |
| 10:30 | Hackathon 4 | TBD |
| 12:00 | Lunch | On your own |
| 1:00 | Hackathon 5 | TBD |
| 2:45 | Hackathon 6 | TBD |
| 4:30 | Recap and debrief | Report the status of hacking and items to bring to the groups attention; discuss agenda for tomorrow |
| 6:00 | Dinner at Cafe Hollander | Be there or be Kenilworth Square! |
Wednesday : KIRC 2175 (till 1 pm); KIRC 2035 (after 1 pm)
| time | topic | details |
|---|---|---|
| 9:00 AM | Hackathon 7 | TBD |
| 12:00 | Lunch | On your own take your stuff with you |
| 1:00 | Hackathon 8 | TBD |
| 2:45 | Hackathon 9 | TBD |
| 4:30 | Recap and debrief | Report the status of hacking and items to bring to the groups attention; discuss agenda for tomorrow |
| ??? | Dinner | Self organized |
Thursday : KIRC 2035
| time | topic | details |
|---|---|---|
| 9:00 AM | Code review | Learn about how we will conduct code review in sgn* and actually try some reviews |
| 10:30 | Hackathon 10 | TBD |
| 12:00 | Lunch | On your own take your stuff with you |
| 1:00 | Hackathon 11 | TBD |
| 2:45 | Hackathon 12 | TBD |
| 4:30 | Recap and debrief | Report the status of hacking and items to bring to the groups attention; discuss agenda for tomorrow |
| ??? | Dinner | Self organized |
Friday : KIRC 2175 (till 12:30 pm); KIRC 2035 (after 2 pm)
Registration
Please register by adding your name here
If you have questions please reach out to Pratyusava Baral (pbaral@uwm.edu)
Location Details
Kenwood Interdisciplinary Research Complex (KIRC)
- 3135 N Maryland Ave, Milwaukee, WI 53211
- Room number: KIRC 2175 and KIRC 2035 (See schedule for more details)
- Zoom connection info available here
Travel Info:
Useful places in Milwaukee:
Use this interactive map to find recommended places to eat and things to do during your visit!
Lodging:
There are lots of hotels in downtown MKE which are a short uber/lyft ride from campus. UWM guest housing may also be available within walking distance of campus.
UWM Guest Housing
- Guest Housing offers two-bedroom fully-furnished apartment units in Kenilworth Square Apartments at $132 per night. Consider sharing with someone else to save money!
- You can book rooms yourself by creating an account using this link. Select guest housing and that will take you through the registration process. Select “guest of uwm organization or uwm department”, and please enter Pratyusava Baral for name and pbaral@uwm.edu for email in the next page.
- Many food options nearby. Close to the beach.
- 1.2 mi/38 min walk to campus
- 10 min bus ride
- Free shuttle to and from campus.
Hyatt Regency Milwaukee
- Downtown with many food/activity options
- 3.3 mi/12 min drive to campus
- 30 min bus ride
Hilton Milwaukee City Center
- Downtown with many food/activity options
- 3.8 mi/14 min drive to campus
- 30 min bus ride
Fairfield Inn & Suites Milwaukee Downtown
- Downtown with many food/activity options
- 3.5 mi/14 min drive to campus
- 30 min bus ride
Airbnb
- There are many Airbnb options in Milwaukee
- Check distance to UWM’s campus
Airports:
MKE (Milwaukee Mitchell International Airport)
- Uber or take the green line to reach Kenilworth.
- Can rent a car if desired.
- Might have to get a connection through Chicago
ORD (Chicago O’Hare International Airport)
- May be able to get direct flight
- Rent a car for 1-2 hour drive to MKE
- Or take a Coach USA bus from the Multi-Modal/Rental Car Facility at ORD to Milwaukee Intermodal/Amtrak Station in downtown MKE, then uber/bus/walk to accommodation. Book Coach USA bus tickets here.
MDW (Chicago Midway International Airport)
- May be able to get direct flight
- Rent a car for 1-2 hour drive to MKE
Meeting summary
Arrakis
- Get arrakis to be able to read from archive frame data (frame back-end) at both sites
- Get arrakis working at LLO generally
- Get arrakis able to run a replay
- Get LLDD able to use the arrakis kafka to be able to use it for h(t) everywhere (as a bridge)
- Get arrakis able to archive live channels
SGN-cal
- Get sgn-cal running on current broken live data
- Get sgn-cal processing offline one-month of O4 data to compare to gstlal-calibration on the same stretch of data (NOTE - should be used for the replay when it is ready)
- Get sgn-cal running on a live replay of O4
- Get sgn-cal monitoring working
- Get sgn-cal line subraction working
- Will nonsense be used? If so we need another sgn pipeline to do this…
SGN DQ
- Run seg gen; DQ vector and gwistat on new virtual machines at the sites
- Work to get those results published in the proper place
- Decide if Virgo will run a low latency trigger generator for LIGO data
- If not push harder on SNAX
- Get arrakis hook for data input into DQR
- NOTE IF WE NEED VIRGO DATA FOR A REPLAY (AUX) ASK SOON BEFORE ITS GONE
SGNL
- Continue running on O3 replay
- Try an MDC with arrakis
- Write an injection pipeline to add to the data and republish to arrakis
- gracedb via kafka
- new test suite; new snr optimizer; in mdc
SGN-LLAI
- by end of today
- running and listening to gracedb-test and publishing to cit-2 (LPIC)
- that includes everything demo’d in the LL call
- by May 1
- ??? FIGURE THIS OUT (though honestly the ^^ will be pretty good…)
- Work to get feature parity with gw-celery up to and including alerts.
Cross-cutting
- We all ^^ participate in one grand O4 replay that looks like a complete live simulation with all of these pieces working correctly. JULY 6, 2026
- IR1 confluence call on wed at 3:00?
- glreview everything