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MPLR 2019
Sun 20 - Fri 25 October 2019 Athens, Greece
co-located with SPLASH 2019
Tue 22 Oct 2019 12:00 - 12:30 at Room 1 - Compilation and code manipulation Chair(s): Shigeru Chiba

With micro-services continuously gaining popularity and low-power processors making their way into data centers, efficient execution of managed runtime systems on low-power architectures is also gaining interest. Apart from the inherent performance differences between high and low power processors, porting a managed runtime system to a low-power architecture may result in spuriously introducing additional overheads and design trade-offs. In this work we investigate how the lack of strong hardware support for Self Modifying Code (SMC) in low-power architectures, influences Just-In-Time (JIT) compilation and execution in modern virtual machines. In particular, we examine how low-power architectures, with no or limited hardware support for SMC, impose restrictions on call-site implementations, when the latter need to be patchable by the runtime system. We present four different memory-safe implementations for call-site generation and discuss their advantages and disadvantages in the absence of strong hardware support for SMC. Finally, we evaluate each technique on different workloads using micro-benchmarks and we evaluate the best two techniques on the Dacapo benchmark suite showcasing performance differences up to 15%.

Tue 22 Oct
Times are displayed in time zone: Beirut change

11:00 - 12:30: Compilation and code manipulationMPLR 2019 at Room 1
Chair(s): Shigeru ChibaGraduate School of Information Science and Technology, The University of Tokyo
11:00 - 11:30
Static TypeScript: An Implementation of a Static Compiler for the TypeScript Language
MPLR 2019
Thomas BallMicrosoft Research, Peli de HalleuxMicrosoft Research, Michal MoskalMicrosoft Research
11:30 - 12:00
PorcE: A Deparallelizing Compiler
MPLR 2019
Arthur Michener PetersThe University of Texas at Austin, Texas, USA, John A. ThywissenThe University of Texas at Austin, Chris RossbachThe University of Texas at Austin and VMware Research Group
12:00 - 12:30
An Analysis of Call-site Patching Without Strong Hardware Support for Self-Modifying-Code
MPLR 2019
Tim HartleyThe University of Manchester, Foivos S. ZakkakUniversity of Manchester, UK, Christos KotselidisUniversity of Manchester, UK, Mikel LujánUniversity of Manchester
Link to publication DOI Authorizer link