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13th international conference on generative programming: concepts and experiences, gpce 2014

ISBN: (纸本)9781450331616

the proceedings contain 16 papers. the topics discussed include: extensible language implementation with object algebras;projectional editing of variational software;efficient testing of software product lines via centralization;automatic feature selection in large-scale system-software product lines;emergent gummy modules modular representation of emergent behavior;code specialization for memory efficient hash tries;specializing planners for hierarchical multi-way dataflow constraint systems;automatic locality-friendly interface extension of numerical functions;a transformational approach to data visualization;yin-yang: concealing the deep embedding of DSLs;optimization by runtime specialization for sparse matrix-vector multiplication;specialization through dynamic Staging;LibDSL: a library for developing embedded domain specific languages in d via template metaprogramming;and a domain-specific language for building self-optimizing AST interpreters.

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gpce 2019 - Proceedings of the 18th ACM SIGPLAN international conference on generative programming: concepts and experiences, co-located with SPLASH 2019

GPCE 2019 - Proceedings of the 18th ACM SIGPLAN Internationa...

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18th ACM SIGPLAN international conference on generative programming: concepts and experiences, gpce 2019, co-located with ACM SIGPLAN conference on Systems, programming, Languages, and Applications: Software for Humanity, SPLASH 2019

ISBN: (纸本)9781450369800

the proceedings contain 13 papers. the topics discussed include: a language feature to unbundle data at will;parallel nondeterministic programming as a language extension to C;agile construction of data science DSLs;a stage-polymorphic IR for compiling MATLAB-style dynamic tensor expressions;reflection in attribute grammars;automated metamodel augmentation for seamless model evolution tracking and planning;floorplan: spatial layout in memory management systems;and compiler generation for performance-oriented embedded DSLs.

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Pin++: An object-oriented framework for writing pintools 2014

Pin++: An object-oriented framework for writing pintools

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13th international conference on generative programming: concepts and experiences, gpce 2014

作者： Hill, James H. Feiock, Dennis C. Department of Computer and Information Science Indiana University-Purdue University Indianapolis IndianapolisIN United States

ISBN: (纸本)9781450331616

this paper presents a framework named Pin++. Pin++ is an objectoriented framework that uses template metaprogramming to implement Pintools, which are analysis tools for the dynamic binary instrumentation tool named Pin. the goal of Pin++ is to simplify programming a Pintool and promote reuse of its components across different Pintools. Our results show that Pintools implemented using Pin++ can have a 54% reduction in complexity, increase its modularity, and up to 60% reduction in instrumentation overhead. Copyright 2014 ACM.

关键词： Object oriented programming

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Automatic Locality-Friendly Interface Extension of Numerical Functions 2014

Automatic Locality-Friendly Interface Extension of Numerical...

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13th conference on generative programming - concepts and experiences (gpce)

作者： Hess, Benjamin Gross, thomas R. Pueschel, Markus Swiss Fed Inst Technol Dept Comp Sci Zurich Switzerland

ISBN: (纸本)9781450331616

Raising the level of abstraction is a key concern of software engineering, and libraries (either used directly or as a target of a program generation system) are a successful technique to raise programmer productivity and to improve software quality. Unfortunately successful libraries may contain functions that may not be general enough. For example, many numeric performance libraries contain functions that work on one-or higher-dimensional arrays. A problem arises if a program wants to invoke such a function on a non-contiguous subarray (e.g., in C the column of a matrix or a subarray of an image). If the library developer did not foresee this scenario, the client program must include explicit copy steps before and after the library function call, incurring a possibly high performance penalty. A better solution would be an enhanced library function that allows for the desired access pattern. Exposing the access pattern allows the compiler to optimize for the intended usage scenario(s). As we do not want the library developer to generate all interesting versions manually, we present a tool that takes a library function written in C and generates such a customized function for typical accesses. We describe the approach, discuss limitations, and report on the performance. As example access patterns we consider those most common in numerical applications: striding and block striding, general permutations, as well as scaling. We evaluate the tool on various library functions including filters, scans, reductions, sorting, FFTs, and linear algebra operations. the automatically generated custom version is in most cases significantly faster than using individual steps, offering speed-ups that are typically in the range of 1.2-1.8x.

关键词： Performance Design Libraries components performance interface extension preprocessors programming language features interaction software product lines

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Model-driven generative Framework for Automated OMG DDS Performance Testing in the Cloud 13

Model-driven Generative Framework for Automated OMG DDS Perf...

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12th international conference on generative programming: concepts and experiences

作者： An, Kyoungho Kuroda, Takayuki Gokhale, Aniruddha Tambe, Sumant Sorbini, Andrea Vanderbilt Univ ISIS Nashville TN 37235 USA RTI Sunnyvale CA USA

ISBN: (纸本)9781450323734

the Object Management Group's (OMG) Data Distribution Service (DDS) provides many configurable policies which determine end-to-end quality of service (QoS) of applications. It is challenging to predict the system's performance in terms of latencies, throughput, and resource usage because diverse combinations of QoS configurations influence QoS of applications in different ways. To overcome this problem, design-time formal methods have been applied with mixed success, but lack of sufficient accuracy in prediction, tool support, and understanding of formalism has prevented wider adoption of the formal techniques. A promising approach to address this challenge is to emulate system behavior and gather data on the QoS parameters of interest by experimentation. To realize this approach, which is preferred over formal methods due to their limitations in accurately predicting QoS, we have developed a model-based automatic performance testing framework with generative capabilities to reduce manual efforts in generating a large number of relevant QoS configurations that can be deployed and tested on a cloud platform. this paper describes our initial efforts in developing and using this technology.

关键词： Model-driven Engineering generative programming Publish/Subscribe Performance Testing

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A Comparison of Product-based, Feature-based, and Family-based Type Checking 13

A Comparison of Product-based, Feature-based, and Family-bas...

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12th international conference on generative programming: concepts and experiences

作者： Kolesnikov, Sergiy von Rhein, Alexander Hunsen, Claus Apel, Sven Univ Passau Passau Germany

ISBN: (纸本)9781450323734

Analyzing software product lines is difficult, due to their inherent variability. In the past, several strategies for product-line analysis have been proposed, in particular, product-based, feature-based, and family-based strategies. Despite recent attempts to conceptually and empirically compare different strategies, there is no work that empirically compares all of the three strategies in a controlled setting. We close this gap by extending a compiler for feature-oriented programming with support for product-based, feature-based, and family-based type checking. We present and discuss the results of a comparative performance evaluation that we conducted on a set of 12 feature-oriented, JAVA-based product lines. Most notably, we found that the family-based strategy is superior for all subject product lines: it is substantially faster, it detects all kinds of errors, and provides the most detailed information about them.

关键词： Feature-oriented programming product-line analysis type checking Fuji

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Scalaness/nesT: Type Specialized Staged programming for Sensor Networks 13

Scalaness/nesT: Type Specialized Staged Programming for Sens...

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12th international conference on generative programming: concepts and experiences

作者： Chapin, Peter Skalka, Christian Smith, Scott Watson, Michael Univ Vermont Burlington VT 05405 USA Johns Hopkins Univ Baltimore MD 21218 USA

ISBN: (纸本)9781450323734

programming wireless embedded networks is challenging due to severe limitations on processing speed, memory, and bandwidth. Staged programming can help bridge the gap between high level code refinement techniques and efficient device level programs by allowing a first stage program to specialize device level code. Here we introduce a two stage programming system for wireless sensor networks. the first stage program is written in our extended dialect of Scala, called Scalaness, where components written in our type safe dialect of nesC, called nesT, are composed and specialized. Scalaness programs can dynamically construct TinyOS-compliant nesT device images that can be deployed to motes. A key result, called cross-stage type safety, shows that successful static type checking of a Scalaness program means no type errors will arise either during programmatic composition and specialization of WSN code, or later on the WSN itself. Scalaness has been implemented through direct modification of the Scala compiler. Implementation of a staged public-key cryptography calculation shows the sensor memory footprint can be significantly reduced by staging.

关键词： Staged programming Scala nesC

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Efficient High-Level Abstractions for Web programming 13

Efficient High-Level Abstractions for Web Programming

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12th international conference on generative programming: concepts and experiences

作者： Richard-Foy, Julien Barais, Olivier Jezequel, Jean-Marc Univ Rennes 1 IRISA F-35014 Rennes France

ISBN: (纸本)9781450323734

Writing large Web applications is known to be difficult. One challenge comes from the fact that the application's logic is scattered into heterogeneous clients and servers, making it difficult to share code between both sides or to move code from one side to the other. Another challenge is performance: while Web applications rely on ever more code on the client-side, they may run on smart phones with limited hardware capabilities. these two challenges raise the following problem: how to benefit from high-level languages and libraries making code complexity easier to manage and abstracting over the clients and servers differences without trading this ease of engineering for performance? this article presents high-level abstractions defined as deep embedded DSLs in Scala that can generate efficient code leveraging the characteristics of both client and server environments. We compare performance on client-side against other candidate technologies and against hand written low-level JavaScript code. though code written with our DSL has a high level of abstraction, our benchmark on a real world application reports that it runs as fast as hand tuned low-level JavaScript code.

关键词： Heterogeneous code generation Domain-specific languages Scala Web

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Customizing host IDE for non-programming users of pure embedded DSLs: A case study

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COMPUTER LANGUAGES SYSTEMS & STRUCTURES 2017年 49卷 101-118页

作者： Nosal, Milan Poruban, Jaroslav Sulir, Matus Svagant Mlynska 28 Kosice Slovakia Tech Univ Kosice Fac Elect Engn & Informat Dept Comp & Informat Letna 9 Kosice 04200 Slovakia

Pure embedding as an implementation strategy of domain-specific languages (DSLs) benefits from low implementation costs. On the other hand, it introduces undesired syntactic noise that impedes involvement of non-programming domain experts. Due to this, pure embedded DSLs are generally not intended for, nor used by, non-programmers. In this work, we try to challenge this state by experimenting with inexpensive customizations of the host IDE (Integrated Development Environment) to reduce the negative impact of syntactic noise. We present several techniques and recommendations based on standard IDE features (e.g., file templates, code folding, etc.) that aim to reduce syntactic noise and generally improve the user experience with pure embedded DSLs. the techniques are presented using a NetBeans IDE case study. the goal of the proposed techniques is to improve the user experience with pure embedded DSLs with a focus on the involvement of non-programming domain experts (or non-programmers in general). the proposed techniques were evaluated using a controlled experiment. the experiment compared a group using Ruby and non-modified RubyMine IDE versus a group using Java and NetBeans IDE customized to use the proposed techniques. Experiment results indicate that even inexpensive host IDE customizations can significantly alleviate issues caused by the syntactic noise: Java with its inflexible syntax performed better than Ruby with its concise syntax. (C) 2017 Elsevier Ltd. All rights reserved.

关键词： Domain-specific language Pure embedding Syntactic noise Controlled experiment

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Forge: Generating a High Performance DSL Implementation from a Declarative Specification 13

Forge: Generating a High Performance DSL Implementation from...

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12th international conference on generative programming: concepts and experiences

作者： Sujeeth, Arvind K. Gibbons, Austin Brown, Kevin J. Lee, HyoukJoong Rompf, Tiark Odersky, Martin Olukotun, Kunle Stanford Univ Stanford CA 94305 USA Oracle Labs Columbus OH USA Ecole Polytech Fed Lausanne Lausanne Switzerland

ISBN: (纸本)9781450323734

Domain-specific languages provide a promising path to automatically compile high-level code to parallel, heterogeneous, and distributed hardware. However, in practice high performance DSLs still require considerable software expertise to develop and force users into tool-chains that hinder prototyping and debugging. To address these problems, we present Forge, a new meta DSL for declaratively specifying high performance embedded DSLs. Forge provides DSL authors with high-level abstractions (e.g., data structures, parallel patterns, effects) for specifying their DSL in a way that permits high performance. From this high-level specification, Forge automatically generates both a naive Scala library implementation of the DSL and a high performance version using the Delite DSL framework. Users of a Forge-generated DSL can prototype their application using the library version, and then switch to the Delite version to run on multicore CPUs, GPUs, and clusters without changing the application code. Forge-generated Delite DSLs perform within 2x of hand-optimized C++ and up to 40x better than Spark, an alternative high-level distributed programming environment. Compared to a manually implemented Delite DSL, Forge provides a factor of 3-6x reduction in lines of code and does not sacrifice any performance. Furthermore, Forge specifications can be generated from existing Scala libraries, are easy to maintain, shield DSL developers from changes in the Delite framework, and enable DSLs to be retargeted to other frameworks transparently.

关键词： Code Generation Multi-Stage programming Domain-Specific Languages Parallel programming

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