Publications de Mohammad Dashti Rahmat Abadi

Push versus pull-based loop fusion in query engines

Christoph Koch, Amir Shaikhha, Mohammad Dashti Rahmat Abadi

2018

Program Analysis and Compilation Techniques for Speeding up Transactional Database Workloads

There is a trend towards increased specialization of data management software for performance reasons. The improved performance not only leads to a more efficient usage of the underlying hardware and cuts the operation costs of the system, but also is a ga ...

EPFL2017

Squall: Scalable Real-time Analytics

Christoph Koch, Ioannis Klonatos, Aleksandar Vitorovic, Mohammad Dashti Rahmat Abadi, Mohamed Elsayed Mohamed Ahmed El Seidy, Daniel Espino Timón, Minh Khue Vu, Khayyam Mubariz Oglu Guliyev

Squall is a scalable online query engine that runs complex analytics in a cluster using skew-resilient, adaptive operators. Squall builds on state-of-the-art partitioning schemes and local algorithms, including some of our own. This paper presents the over ...

VLDB Endowment Inc.2016

How to Win a Hot Dog Eating Contest: Distributed Incremental View Maintenance with Batch Updates

Christoph Koch, Milos Nikolic, Mohammad Dashti Rahmat Abadi

In the quest for valuable information, modern big data applications continuously monitor streams of data. These applications demand low latency stream processing even when faced with high volume and velocity of incoming changes and the user’s desire to ask ...

2016

How to Architect a Query Compiler

Christoph Koch, Ioannis Klonatos, Amir Shaikhha, Lionel Emile Vincent Parreaux, Mohammad Dashti Rahmat Abadi, Lewis Alexander Brown

This paper studies architecting query compilers. The state of the art in query compiler construction is lagging behind that in the compilers field. We attempt to remedy this by exploring the key causes of technical challenges in need of well founded soluti ...

2016

Challenges of Memory Management on Modern NUMA Systems

Baptiste Joseph Eustache Lepers, Mohammad Dashti Rahmat Abadi

The latency of memory access times is hence non-uniform, because it depends on where the request originates and where it is destined to go. Such systems are referred to as nonuniform memory access (or NUMA). Current x86 NUMA systems are cache coherent (cal ...

Assoc Computing Machinery2015