Real-time computing
Study of hardware and software systems that have a 'real-time constraint'""
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We include updates on Uptime, OpenVibe, Earliest deadline first scheduling, Rate-monotonic scheduling, Whirlwind I, Priority inheritance, Worst-case execution time, Priority ceiling protocol, Timing failure, Window of opportunity, JackBe, Temporal isolation, AQuoSA, Stephen J. Mellor, Real Time Information Group, Stack resource policy ... and more.
| March 11 2024 |
GTFS Realtime
The Stop and Trip Modifications proposal was merged and released by GTFS maintainers.
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| 2023 |
Earliest eligible virtual deadline first scheduling
Peter Zijlstra proposed replacing the Completely Fair Scheduler (CFS) in the Linux kernel with an Earliest Eligible Virtual Deadline First (EEVDF) process scheduler, aiming to remove the need for CFS 'latency nice' patches.
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| October 2023 |
AQuoSA
With the release of Linux Kernel 6.6, EDF (now known as EEVDF) was incorporated into the mainline Kernel as a replacement for the long-standing CFS scheduler.
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| September 2023 |
GTFS Realtime
Swiftly and Transit app proposed two additional feed entity types: Stop and Trip Modifications, enabling agencies to broadcast route detour paths and temporary stops.
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| 2022 |
GTFS Realtime
CalTrans' Integrated Travel Project began validating GTFS Schedule and Realtime feeds for California's municipal and county public transport agencies, publishing monthly error reports.
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| 2022 | Awarded the CONCUR Test of Time award. |
| 2021 | Received Villum Investigator grant of 30 million Danish Kroner from Villum Foundation. |
| August 30 2021 |
GTFS Realtime
An experimental 'Shapes' feed entity type was released, allowing real-time route shape updates to reflect detours.
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| 2018 | Appointed as a Foreign Expert and Distinguished Professor at Northeastern University in China. |
| 2016 | Served as an international chair at the National Institute for Research in Digital Science and Technology (INRIA), a position he held until 2020. |
| 2015 | Became director of the Center for Data-Intensive Cyber-Physical Systems (DiCyPS), funded by an unspecified source, a role he maintained until 2021. |
| 2015 | Started heading the Learning, Analysis, Synthesis, and Optimization of Cyber-Physical Systems (LASSO) project, funded by an ERC Advanced Grant, which he led until 2020. |
| August 15 2015 |
GTFS Realtime
The proposal to combine feed entity types was merged, enabling more flexible data representation.
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| July 28 2015 |
GTFS Realtime
A proposal was created to allow combining multiple feed entity types into a single feed.
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| 2013 | Received the CAV Award, recognizing significant contributions to computer science. |
| 2012 |
AQuoSA
SCHED_DEADLINE evolved into PREEMPT RT.
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| July 2012 |
GTFS Realtime
Google Maps began displaying alerts from GTFS-rt, enhancing real-time transit information for users.
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| 2011 | Became the Danish co-lead of the Danish-Chinese Center for IDEA4CPS: Foundations for Cyber-Physical Systems, a position he held until 2017. |
| August 22 2011 |
GTFS Realtime
Google released the first version of GTFS-rt, which was shown to Google Maps users, introducing real-time public transport data visualization.
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This contents of the box above is based on material from the Wikipedia articles Earliest eligible virtual deadline first scheduling, GTFS Realtime, Temporal isolation among virtual machines, Kim Guldstrand Larsen, Timing failure & AQuoSA, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.