29th Annual Workshop & Retreat
November 6 - 8, 2023

INFO & Agenda

A note on voting

This year we will be at the Bedford Springs Resort on election day.

For Pennsylvania residents, the following applies:

For out of state visitors, here is some information for voting in other states:


Monday, November 6, 2023: Omni Bedford Springs Resort
8:30 am - 9:15 am Registration & Continental Breakfast
9:15 am - 10:00 am Welcome

Greg Ganger - Parallel Data Lab 2023 Retreat Welcome & Overview

10:00 am - 10:40 am Morning Talk

Andy Pavlo - What Goes Around, Comes Around... and Around...

10:40 am - 12:00 pm Industry Poster Session
12:00 pm - 1:15 pm Lunch
1:15 pm - 3:30 pm Session I: Awesome use of DRAM

Juncheng Yang - FIFO Queues are All You Need for Cache Eviction

Kevin Gaffney - AceHash: Performance-Focused Perfect Hashing for Database Systems

Kaiyang Zhao - Contiguitas: The Pursuit of Physical Memory Contiguity in Datacenters

3:30 pm - 3:45 pm Break
3:45 pm - 5:15 pm Session II: Optimizing in Big Systems

Suhas Jayaram Subramanya - Sia: Heterogeneity-aware, goodput-optimized ML-cluster scheduling

Ziyue Qiu - Optimizing Hybrid Cloud Partition of Data and Compute

Wan Shen Lim - SSS! Efficiently Bootstrapping Behavior Models for Self-Driving Database Management Systems

Sara McAllister - Scaling the bandwidth-per-TB wall with Declarative Storage Interfaces

5:15 pm - 6:00 pm Special Session
6:00 pm - 7:30 pm Dinner
7:30 pm - 8:30 pm Session III: Short Work-in-Progress Talks + Poster Previews

Sam Arch - Dear User-Defined Functions, Inlining isn’t working out so great for us. Let’s try batching to make our relationship work. Sincerely, SQL

Valerie Choung - Context-Aware Memory Allocation

Abi Kim - Database Management System Extensibility

8:30 pm - 10:30 pm Reception/Poster Session I

Tuesday, November 7, 2023: Omni Bedford Springs Resort

8:15 am - 9:00 am Breakfast
9:00 am - 10:30 am Session IV: Fitting Hardware Resources to ML/AI Computation

Matt Butrovich - Embedding Database System Logic in the Operating System Is Finally a Good Idea

Daiyaan Arfeen - Heterogeneous Allocations in ML Clusters

10:30 am - 10:45 am Break
10:45 am - 12:15 pm Session V: Adaptive Caching Systems

Daniel Wong - Baleen: ML for Flash Caching

Hojin Park - MACARON: Multi-cloud/region Aware Cache Auto-configuRatiON

12:15 pm - 1:30 pm Lunch
1:30 pm - 2:45 pm Social activities or personal time
2:45 pm - 4:15 pm Session VI: Application/Storage Cooperation

Sara McAllister - FairyWREN: A Sustainable Cache for Write-Read-Erase Interfaces

Nj Mukherjee - Near Data Block Processing Using Computational Storage

4:15 pm - 4:30 pm Break
4:30 pm - 6:00 pm Session VII: Redundancy and Data Placement in Cluster Storage

Tim Kim - MorphDFS: Efficient Transcoding with Convertible Codes

Sanjith Athlur - Okapi: Decoupling Data Stripes and Redundancy Groups

6:00 pm - 7:30 pm Dinner
7:30 pm - 8:30 pm Session VIII: Short Work-In-Progress Talks

Juncheng Yang - Gl-Cache: Group-Level Learning for Efficient and High-Performance Caching

Jennifer Brana - Kobold: Cache Coherence for Near-Cache Accelerators

Jekyeom Jeon - Improving Write Amplification for ZNS Storage Clusters

Yiwei Zhao - System Design on Processing-In-Memory: Starting from Database Systems

8:30 pm - 10:00 pm Reception/Poster Session II

Wednesday, November 8, 2023: Omni Bedford Springs Resort
8:45 am - 9:30 am Breakfast
9:30 am - 11:45 am Session IX: Close Strong!

Ankush Jain - Optimizing Adaptive Physics Apps With Better Work Placement

Ziyue Qiu - FrozenHot Cache: Rethinking Cache Management for Modern Hardware

Lunch Grab lunch and sit in meeting room
11:45 am - 1:00 pm

Lunch and Industry Feedback Session

1:00 pm Informal Interactions and End of Event
1:30 pm Bus to CMU


The entire PDL Retreat will occur at the Omni Bedford Springs Resort in Bedford Springs, PA, beginning the morning of Nov 6 and concluding the afternoon of Nov 8. Attendees are responsible for reserving their own hotel rooms at the retreat venue, and should do so no later than October 13 to ensure availability and pricing. Most guests should book a room for a Nov 5 arrival and Nov 8 departure. To make your reservations, contact the Omni Bedford springs using this link or call +1-800-THE-OMNI (+1-800-843-6664), and reference " 110523CMUPDLRET" to access the special rate for the room block.


The Omni Bedford Springs resort is located in the Allegheny Mountains of Pennsylvania, just outside of the historic town of Bedford Springs. The hotel's physical address is 2138 Business 220, Bedford, Pennsylvania, 15522 (map to the property).

You may decide, based on scheduling and available flights that flying into an airport other than Pittsburgh International suits your plans better. Here is an overview map of directions and driving times from the five airports nearest to the Bedford Springs Resort.

Transportation AND Parking

Retreat attendees should plan on being present at the Omni Bedford Springs for an 8:30am start on Monday, Nov. 6.

There are several options available for getting to and from the Omni Bedford Springs and the airport. Please make your own transportation arrangements from the airport to the Omni Bedford Springs hotel.

If you are renting a car and driving from a regional airport, you can either self park at the Omni, or use their complimentary valet parking service.

Car Services

Rental Car available at the airport from all the major companies.

Airport Sedan Service (Larry Waite)
Advance reservations are required
Contact Larry Waite, 412-401-LIMO (5466)

Uber Pittsburgh

More information.



If you plan on extending your stay and visiting Pittsburgh before or after the retreat, the following hotels are located near CMU. Please feel free to contact any of these hotels and ask for the CMU rate, though your corporate rate may be better.:

Hilton Garden Inn - University Place
3454 Forbes Avenue
Pittsburgh, Pennsylvania 15213
Phone: (412) 683-2040
FAX: (412) 688-1986
Rates on inquiry, parking extra
Hampton Inn - University Center
3315 Hamlet Street
Pittsburgh PA 15213
Phone: 412-681-1000
FAX: 412-681-3022
Rates on inquiry, parking extra
Wyndham Pittsburgh University Center
100 Lytton Avenue
Pittsburgh PA 15213
Phone: 412-682-6200
FAX: 412-681-4749
Rates on inquiry, parking extra
Mention: CMU Visitor
Residence Inn Pittsburgh - Oakland/ University Place
3341 Forbes Avenue
Pittsburgh, PA 15213
Phone: 412-621-5600
Rates on inquiry, parking extra
Mention: CMU Visitor



    Director, Parallel Data Lab

    Executive Director, Parallel Data Lab

    PDL Administrative Manager
    VOICE: (412) 268-6716