Wed 17 Jul 2019 18:00 - 19:30 at Mancy - Poster session

Modern Just-in-Time compilers make extensive use of runtime profiling data as part of their optimization strategies - past behaviour is assumed to predict future behaviour. The profiling data exploited by these compilers includes both the relative execution frequencies of different program paths as well as the values observed for specific program intermediate values. The Eclipse OpenJ9 compiler currently has a form of software profiling used at high optimization levels to gather detailed information about a program’s behaviour. This profiling infrastructure incurs a very high throughput performance penalty in excess of 90% throughput as well as consuming a significant amount of memory. The overhead of profiling is lowered using sampling techniques, but this can lead to loss of precision in profiling results when the period of events coincides even loosely with the sampling frequency of the profiling instrumentation.

Over the last year and a half we have built a new software profiling framework for Eclipse OpenJ9 called JProfiling. This profiling technology lowers the throughput penalty of profiling to approximately a 30% throughput penalty without sampling. Profiling of only execution path frequency can be obtained for a throughput penalty of approximately 10%. This talk will present the profiling techniques we are using as well as our most recent work to make the profiling patchable so that we can include it in nearly all of the compiled bodies produced by our compiler for minimal throughput overhead. This patchable profiling is targeted to help the OpenJ9 runtime adapt to phase changes where past behaviour ceases to be a good predictor of future behaviour. We plan for this infrastructure to be promoted to OMR once some enabling infrastructure is refactored between the OMR and OpenJ9 projects.

Wed 17 Jul
Times are displayed in time zone: Belfast change

18:00 - 19:30
Poster sessionPosters at Mancy
18:00
90m
Poster
MagpieBridge: A General Approach to Integrating Static Analyses into IDEs and EditorsECOOP posterDemonstration
Posters
Linghui LuoPaderborn University, Julian DolbyIBM Research, Eric BoddenHeinz Nixdorf Institut, Paderborn University and Fraunhofer IEM
File Attached
18:00
90m
Poster
A Parallel Spreadsheet Interpreter With Cycle Detection
Posters
Alexander Asp BockIT University of Copenhagen
18:00
90m
Poster
Specifying I/O using Abstract Nested Hoare Triples in Separation LogicFTfJP posterDemonstration
Posters
Willem PenninckxKU Leuven, Amin Timanyimec-Distrinet KU-Leuven, Bart JacobsKU Leuven
18:00
90m
Poster
Reliable State Machines: A Framework for Programming Reliable Cloud ServicesECOOP posterDemonstration
Posters
Suvam MukherjeeIndian Institute of Science, Nitin John RajInternational Institute of Information Technology, Hyderabad, Krishnan GovindrajMicrosoft Research, Pantazis DeligiannisMicrosoft Research, Chandramouleswaran RavichandranMicrosoft Azure, Akash LalMicrosoft Research India, Aseem RastogiMicrosoft Research, Raja KrishnaswamyMicrosoft Azure
18:00
90m
Poster
RML: Runtime Monitoring LanguageVORTEX poster
Posters
Luca FranceschiniDIBRIS, University of Genova, Italy
File Attached
18:00
90m
Poster
Precise, Efficient and Secure Just-In-Time Analysis of Java ProgramsAORTA poster
Posters
Manas ThakurIIT Madras, V Krishna NandivadaIIT Madras
18:00
90m
Poster
Fling---A Fluent API GeneratorECOOP poster
Posters
Yossi GilTechnion—Israel Institute of Technology, Ori RothTechnion
File Attached
18:00
90m
Poster
TornadoVM: Dynamic Optimisation of Heterogeneous Java AccelerationAORTA posterDemonstration
Posters
Juan FumeroUniversity of Manchester, UK, Michail PapadimitriouUniversity of Manchester, UK, Christos KotselidisUniversity of Manchester, UK
File Attached
18:00
90m
Poster
Static Analysis for Asynchronous JavaScript ProgramsECOOP poster
Posters
Thodoris SotiropoulosAthens University of Economics and Business, Benjamin LivshitsImperial College London, UK
18:00
90m
Poster
To Async or Not to Async: Better Cooperative Multithreading is the Answer
Posters
18:00
90m
Poster
TinyCORP: A Calculus for Context-Oriented Reactive ProgrammingCOP poster
Posters
Tetsuo KaminaOita University, Tomoyuki AotaniTokyo Institute of Technology
18:00
90m
Poster
Semantic Patches for Java Program TransformationECOOP posterDemonstration
Posters
Hong Jin KangSchool of Information Systems, Singapore Management University, Ferdian Thung, Julia LawallInria/LIP6, Gilles MullerLIP6-INRIA/UPMC, Lingxiao JiangSingapore Management University, David LoSingapore Management University
18:00
90m
Poster
Static Analysis in Real-World Operational ScenariosDoctoral Symposium posterDemonstration
Posters
Philipp Dominik SchubertHeinz Nixdorf Institut, Paderborn University
File Attached
18:00
90m
Poster
IIFA: Modular Inter-app Intent Information Flow Analysis of Android Applications
Posters
Abhishek TiwariUniversity of Potsdam, Sascha GroßUniversity of Potsdam, Christian HammerUniversity of Potsdam
File Attached
18:00
90m
Poster
Towards Language-Parametric Semantic Editor ServicesECOOP posterDemonstration
Posters
Daniel A. A. PelsmaekerDelft University of Technology, Netherlands, Hendrik van AntwerpenTU Delft, Eelco VisserDelft University of Technology
18:00
90m
Poster
Type-Safe Data Plane Programming with SafeP4ECOOP poster
Posters
Matthias Eichholz, Eric CampbellCornell University, Nate FosterCornell University, Guido SalvaneschiTU Darmstadt, Mira MeziniTU Darmstadt, Germany
18:00
90m
Poster
Create your own Interpreter with a JITAORTA poster
Posters
Igor BragaIBM Canada
File Attached
18:00
90m
Poster
Lifting the Burden of Static Analysis Tool Configuration with Rule Graphs
Posters
Lisa Nguyen Quang DoPaderborn University, Eric BoddenHeinz Nixdorf Institut, Paderborn University and Fraunhofer IEM
File Attached
18:00
90m
Poster
NumLin: Linear Types for Linear AlgebraECOOP posterDemonstration
Posters
Dhruv MakwanaUnaffiliated, Neel KrishnaswamiComputer Laboratory, University of Cambridge
File Attached
18:00
90m
Poster
Towards Resilience Testing of Actor Programs through Test PerturbationsScala poster
Posters
Jonas De BleserSofware Languages Lab, Vrije Universiteit Brussel, Coen De RooverVrije Universiteit Brussel
18:00
90m
Poster
JIT as a Service: Compilation Paradigm for the CloudAORTA poster
Posters
Xiaoli LiangIBM Canada, Daryl MaierIBM Canada
18:00
90m
Poster
Transferring Obligations Through SynchronizationsECOOP posterDemonstration
Posters
Jafar Haminimec-DistriNet, Depatrmant of Computer Science, KU Leuven, Belgium, Bart JacobsRadboud University Nijmegen
18:00
90m
Poster
Automated Large-scale Multi-language Dynamic Program Analysis in the WildECOOP poster
Posters
Alex VillazónUniversidad Privada Boliviana, Bolivia, Haiyang SunUniversità della Svizzera italiana, Andrea RosàUniversity of Lugano, Switzerland, Eduardo RosalesUniversity of Lugano, Switzerland, Daniele BonettaOracle Labs, Isabella DefilippisUniversidad Privada Boliviana (UPB), Sergio OportoUniversidad Privada Boliviana (UPB), Walter BinderUniversity of Lugano, Switzerland
18:00
90m
Poster
Garbage-free Abstract Interpretation through Abstract Reference CountingECOOP poster
Posters
Noah Van EsSofware Languages Lab, Vrije Universiteit Brussel, Quentin StiévenartVrije Universiteit Brussel, Belgium, Coen De RooverVrije Universiteit Brussel
File Attached
18:00
90m
Poster
Finally, a Polymorphic Linear Algebra LanguageECOOP poster
Posters
Amir ShaikhhaUniversity of Oxford, Lionel ParreauxEPFL
18:00
90m
Poster
Multiverse Debugging: Non-deterministic Debugging for Non-deterministic ProgramsECOOP posterDemonstration
Posters
Carmen Torres LopezVrije Universiteit Brussel, Robbert Gurdeep SinghUniversiteit Gent, Belgium, Stefan MarrUniversity of Kent, Elisa Gonzalez BoixVrije Universiteit Brussel, Belgium, Christophe ScholliersUniversiteit Gent, Belgium
18:00
90m
Poster
Lifestate: Event-Driven Protocols and Callback Control FlowECOOP poster
Posters
Shawn MeierUniversity of Colorado, Boulder, Sergio MoverEcole Polytechnique, Bor-Yuh Evan ChangUniversity of Colorado Boulder
18:00
90m
Poster
Distributed System Development with ScalaLociECOOP poster
Posters
Pascal WeisenburgerTechnische Universität Darmstadt, Guido SalvaneschiTU Darmstadt
18:00
90m
Poster
Lightweight Software Profiling of Compiled CodeAORTA poster
Posters
Andrew CraikIBM Canada, Rahil ShahIBM Canada, Ben ThomasIBM Canada, Devin PapineauIBM Canada
18:00
90m
Poster
Android App Analysis Query LanguageBenchWork posterDemonstration
Posters
Felix PauckPaderborn University, Germany
Media Attached
18:00
90m
Poster
DynaSOAr: A Parallel Memory Allocator for OOP on GPUsECOOP poster
Posters
Matthias SpringerTokyo Institute of Technology, Hidehiko MasuharaTokyo Institute of Technology
18:00
90m
Poster
Godot: All the Benefits of Implicit and Explicit FuturesECOOP poster
Posters
Kiko Fernandez-ReyesUppsala University, Dave ClarkeUppsala Univ. Sweden and KU Leuvern, Ludovic HenrioCNRS, Einar Broch JohnsenUniversity of Oslo, Tobias WrigstadUppsala University
File Attached
18:00
90m
Poster
Deep Static Modeling of invokedynamicECOOP poster
Posters
George FourtounisUniversity of Athens, Yannis SmaragdakisUniversity of Athens