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Sam Arch

@samarchdb.bsky.social

PhD Student in Databases @ CMU-DB Previously a Compiler Engineer @ Apple

134 Followers  |  28 Following  |  1 Posts  |  Joined: 05.12.2024  |  2.1059

Latest posts by samarchdb.bsky.social on Bluesky

Voting NO on the DHS funding bill is the bare minimum.

Backing Kristi Noem’s impeachment is the bare minimum.

Holding law-breaking ICE agents legally accountable is the bare minimum.

ICE is beyond reform. Abolish it.

25.01.2026 21:59 β€” πŸ‘ 41810    πŸ” 10740    πŸ’¬ 737    πŸ“Œ 330
Preview
2025 in Review with Mike Stonebraker and Andy Pavlo Webcast Dec 10: DBMS researchers Mike Stonebraker (MIT / DBOS) and Andy Pavlo (CMU) discuss which data and CS trends are heating up or cooling down heading into 2026.

Do you like databases?
Do you want to hear two database professors rant about them?
Do you need one of those professors to have a Turing Award for databases?
If yes, then join Mike Stonebraker and I next Wed Dec 10 @ 1:00pm EST for database hot takes: www.dbos.dev/webcast-2025...

05.12.2025 23:29 β€” πŸ‘ 75    πŸ” 17    πŸ’¬ 3    πŸ“Œ 3

Great idea to compare plans across different systems using rows processed. A good yardstick, but slower sort-based plans from Postgres + MSSQL process fewer rows than faster hash-based plans from DuckDB. Postgres rows scanned also seem underreported. Nice to see some competition with ClickBench.

03.11.2025 17:28 β€” πŸ‘ 3    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

Here's what we've got in store for you!

πŸŽ“ E1: Torsten Grust (@teggy.org) (University of TΓΌbingen) - Recursive Common Table Expressions (CTEs) Demystified

🧨 E2: Abigail Kim (@abigalekim.bsky.social) (Carnegie Mellon University) - Anarchy in the Database (deep dive into DBMS Extensibility)

16.10.2025 17:41 β€” πŸ‘ 4    πŸ” 2    πŸ’¬ 1    πŸ“Œ 0

The latest paper from the #1 CMU-DB PhD student @samarchdb.bsky.social is wild compilation magic! He automatically makes UDFs run 300x faster on SQL Server and 1.3x faster on DuckDB.
Code: github.com/SamArch27/PR...
Paper: www.vldb.org/pvldb/vol18/...

06.12.2024 14:56 β€” πŸ‘ 53    πŸ” 10    πŸ’¬ 2    πŸ“Œ 1

@samarchdb is following 20 prominent accounts