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The architecture and structures used by the MacPitts silicon compiler to design integrated circuits are described, and the capabilities and limitations of the compiler are discussed. The performance of several combinational and pipeline adders designed by MacPitts and a hand-crafted pipeline adder are compared. Several different MacPitts design errors are documented. Tutorial material is presented to aid in using the MacPitts interpreter and to illustrate timing analysis of MacPitts-designed circuits using the program Crystal. Keywords include: VLSI Design; MacPitts silicon compiler; Pipeline adder; Block carry look ahead addition; Data-Path; and Weinberger Array.

The ILLIAC FORTRAN Compiler may be characterized as a series of transformations on the source input stream. FORTRAN code is transformed into a representation which exploits ILLIAC parallelism. This transformation is accomplished by detecting individual statements within DO loops which may be executed in parallel for values of the DO indices, and determining an ordering which preserves data dependencies. While the result of this effort affords ILLIAC parallelism, it is insensitive to two major characteristics of ILLIAC hardware: an enormous disk latency, and an ability to overlap execution of sequential and parallel components of the hardware. In order to fully exploit the capabilities of the ILLIAC, two more transformations are effected. First, code is restructured to minimize the effect of disk latency. Second, operations are allocated to maximize CU-PE overlap. At this stage it is appropriate to generate ILLIAC code.

Among our research goals is the development of 'mechanical design compilers'; that is, programs which take as input a schematic (or other high- level description) of a mechanical design, plus specifications and a cost function, and return a description of the optimal implementation of the design, sufficiently detailed to support manufacture. Such programs should decrease design time and cost, increase design quality, and allow designers to explore more alternatives in greater depth. We have chosen to work initially in the domain of mechanical and hydraulic power transmission systems built from cataloged components. For this domain we have substantially accomplished our goal; this paper presents the evidence for that success, and discusses its limitations. After mentioning some related work, we provide a very brief over-view of the compiler, intended only to allow the reader to understand our performance evaluation. Artificial intelligence.

The document describes the FORTRAN transcribes used in conjunction with the Paralyzer on the Illiac 4 computer. After the Paralyzer has made its transformations on the original FORTRAN program, the transcriber can output the newly created program in standard FORTRAN source format. The output file can then be edited and fed back to the FORTRAN compiler. Storage allocator routines are described along with flow analysis routines and the Macro Expander and Optimizer phases.

The logic modules and data structures composing the Meta-translator module are desribed. This module is responsible for the actual generation of the executable language compiler as a function of the input Meta-language. Machine definitions are also processed and are placed as encoded data on the compiler library data file. The transformation of intermediate language in target language object text is described.

The logic modules and data structures composing the Meta-translator module are desribed. This module is responsible for the actual generation of the executable language compiler as a function of the input Meta-language. Machine definitions are also processed and are placed as encoded data on the compiler library data file. The transformation of intermediate language in target language object text is described.

GATE CSE Resources Compiler Design These notes/pdfs are created by Applied AI, and I have uploaded here so that everyone can easily access them. You can also download the complete GATE CSE syllabus notes at this link:  https://archive.org/details/gate-applied-ai-notes NOTE: Complete syllabus file is huge (530 MB) If you need some more resources for GATE, you can check out my GitHub repo:  https://github.com/AnuragAnalog/GateResources

Language and compiler design are fundamental aspects of computer science. High-level languages are how most developers interact with computers, so it's hard to overstate the significance of compiler engineering or the aesthetics of language syntax. C# is a general-purpose high-level language that was created by Anders Hejlsberg at Microsoft in 2000, and was open-sourced in

A compiler and runtime support mechanism is described and demonstrated. The methods presented are capable of solving a wide range of sparse and unstructured problems in scientific computing. The compiler takes as input a FORTRAN 77 program enhanced with specifications for distributing data, and the compiler outputs a message passing program that runs on a distributed memory computer. The runtime support for this compiler is a library of primitives designed to efficiently support irregular patterns of distributed array accesses and irregular distributed array partitions. A variety of Intel iPSC/860 performance results obtained through the use of this compiler are presented.

Trimester 1 2016/2017

Object-oriented relationships, such as inheritance and covering can not be readily incorporated in classic data models. This thesis addresses this problem by the design and implementation of an object-oriented data model (O-ODM), that incorporates the object-oriented paradigm. A Multimodel and Multilingual Database System called M2DBS has been developed at the Naval Postgraduate School. This system incorporates the classic database data models along with a recently developed object-oriented data model (O-ODM). The problem addressed by this work is to design a new object-oriented data manipulation language (O-ODML) for the O-ODM. The approach is to develop and construct an O-ODML Compiler. Then assimilate the compiler with the Kernel Mapping System (KMS) of the M2DBS. The result of this thesis is a compiler for the O-ODML of the O-ODM. This O-ODML compiler takes an O-ODM query converts it into a low level intermediate language before translating it into a format that the Real Time Monitor can execute on the M2DBS. (AN)

Object-oriented relationships, such as inheritance and covering can not be readily incorporated in classic data models. This thesis addresses this problem by the design and implementation of an object-oriented data model (O-ODM), that incorporates the object-oriented paradigm. A Multimodel and Multilingual Database System called M2DBS has been developed at the Naval Postgraduate School. This system incorporates the classic database data models along with a recently developed object-oriented data model (O-ODM). The problem addressed by this work is to design a new object-oriented data manipulation language (O-ODML) for the O-ODM. The approach is to develop and construct an O-ODML Compiler. Then assimilate the compiler with the Kernel Mapping System (KMS) of the M2DBS. The result of this thesis is a compiler for the O-ODML of the O-ODM. This O-ODML compiler takes an O-ODM query converts it into a low level intermediate language before translating it into a format that the Real Time Monitor can execute on the M2DBS. (AN)

Trimester 1 2015/2016

The programmer's most powerful tool for controlling complexity in program design is abstraction. We seek to use abstraction in the design of concurrent programs, so as to separate design decisions concerned with decomposition, communication, synchronization, mapping, granularity, and load balancing. This paper describes programming and compiler techniques intended to facilitate this design strategy. The programming techniques are based on a core programming notation with two important properties: the ability to separate concurrent programming concerns, and extensibility with reusable programmer defined abstractions. The compiler techniques are based on a simple transformation system together with a set of compilation transformations and portable run-time support. The transformation system allows programmer-defined abstractions to be defined as source-to- source transformations that convert abstractions into the core notation. The same transformation system is used to apply compilation transformations that incrementally transform the core notation toward an abstract concurrent machine. This machine can be implemented on a variety of concurrent architectures using simple run-time support.

Conversion of the MacPitts Silicon Compiler from NMOS to Scalable CMOS technology includes the custom design of SCMOS organelles to replace the NMOS organelles in the data-path. Three arithmetic organelles, the incrementor, decrementor and subtractor, are designed using the Magic layout editor. Cell insertions are made to the MacPitts Silicon Compiler installed on I SI workstations.

Conversion of the MacPitts Silicon Compiler from NMOS to Scalable CMOS technology includes the custom design of SCMOS organelles to replace the NMOS organelles in the data-path. Three arithmetic organelles, the incrementor, decrementor and subtractor, are designed using the Magic layout editor. Cell insertions are made to the MacPitts Silicon Compiler installed on I SI workstations.

Construction within the Meta language for both language and target machine specification is reported. The elements of the function language as a meaning and syntax are presented, and the structure of the target language is described which represents the target dependent object text representation of applications programs.

Project Oberon: The Design of an Operating System, a Compiler, and a Computer (Revised Edition 2013) by Niklaus Wirth and Jürg Gutknecht ISBN 0-201-54428-8 Source: https://people.inf.ethz.ch/wirth/ProjectOberon/index.html

Project Oberon: The Design of an Operating System, a Compiler, and a Computer (Revised Edition 2013) by Niklaus Wirth and Jürg Gutknecht ISBN 0-201-54428-8 Source: https://people.inf.ethz.ch/wirth/ProjectOberon/index.html

Project Oberon: The Design of an Operating System, a Compiler, and a Computer (Revised Edition 2013) by Niklaus Wirth and Jürg Gutknecht ISBN 0-201-54428-8 Source: https://people.inf.ethz.ch/wirth/ProjectOberon/index.html

Project Oberon: The Design of an Operating System, a Compiler, and a Computer (Revised Edition 2013) by Niklaus Wirth and Jürg Gutknecht ISBN 0-201-54428-8 Source: https://people.inf.ethz.ch/wirth/ProjectOberon/index.html

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Testability issues concerning the need for including Design for Testability (DFT) techniques in VLSI (Very Large Scale Integration) designs are discussed. Types of fault models, the use of fault simulation and the DFT techniques of Scan Path and Built in Test are described. An engineering methodology that uses the Genesil Silicon Compiler to produce a VLSI design, DFT-CHIP, which utilizes the DFT Scan Path technique is presented. Included are the procedures for using Genesil's simulation, timing analysis and automatic test generation features. The steps taken to fabricate the DFT-CHIP design through MOSIS are discussed. The methodology used to test the fabricated DFT- CHIP design on the Tektronix DAS 9100 tester is described. Appendix A and Appendix B provide copies of the Genesil check functions written for use during simulation on the DFT-CHIP design. Appendix C specifies the Genesil timing information for the DFT-CHIP design. Appendix D lists the conversion program which translates Genesil produced test vector files to the file format used during testing on the Tektronix tester.

The purpose of this project was to introduce the language Ada into our complier design curriculum as the development language. To this end our course which had been traditionally taught using Pascal was to be reworked so that the programming portion would now be done in Ada. In addition, while a subset of Pascal had been normally used as the target design complier, the course was now to have a language similiar to a subset of Ada as the target design complier. This in fact was carried out and the ensuing report describes some aspects of the course development

The purpose of this project was to introduce the language Ada into our complier design curriculum as the development language. To this end our course which had been traditionally taught using Pascal was to be reworked so that the programming portion would now be done in Ada. In addition, while a subset of Pascal had been normally used as the target design complier, the course was now to have a language similiar to a subset of Ada as the target design complier. This in fact was carried out and the ensuing report describes some aspects of the course development

The purpose of this project was to introduce the language Ada into our complier design curriculum as the development language. To this end our course which had been traditionally taught using Pascal was to be reworked so that the programming portion would now be done in Ada. In addition, while a subset of Pascal had been normally used as the target design complier, the course was now to have a language similiar to a subset of Ada as the target design complier. This in fact was carried out and the ensuing report describes some aspects of the course development

Compiler

Object-oriented relationships, such as inheritance and covering can not be readily incorporated in classic data models. This thesis addresses this problem by the design and implementation of an object-oriented data model (O- ODM), that incorporates the object-oriented paradigm. A Multimodel and Multilingual Database System called M2DBS has been developed at the Naval Postgraduate School. This system incorporates the classic database data models along with a recently developed object-oriented data model (O-ODM). The problem addressed by this work is to design a new object-oriented data manipulation language (O-ODML) for the O-ODM. The approach is to develop and construct an O- ODML Compiler. Then assimilate the compiler with the Kernel Mapping System (KMS) of the M2DBS. The result of this thesis is a compiler for the O-ODML of the O- ODM. This O-ODML compiler takes an O-ODM query converts it into a low level intermediate language before translating it into a format that the Real Time Monitor can execute on the M2DBS. (AN)

Trimester 2 2017/2018

A Sense/Compute/Control (SCC) application is one that interacts with the physical environment. Such applications are pervasive in domains such as building automation, assisted living, and autonomic computing. Developing an SCC application is complex because: (1) the implementation must address both the interaction with the environment and the application logic; (2) any evolution in the environment must be reflected in the implementation of the application; (3) correctness is essential, as effects on the physical environment can have irreversible consequences. The SCC architectural pattern and the DiaSpec domain-specific design language propose a framework to guide the design of such applications. From a design description in DiaSpec, the DiaSpec compiler is capable of generating a programming framework that guides the developer in implementing the design and that provides runtime support. In this paper, we report on an experiment using DiaSpec (both the design language and compiler) to develop a standard robotics application. We discuss the benefits and problems of using DiaSpec in a robotics setting and present some changes that would make DiaSpec a better framework in this setting.

Trimester 1 2019/2020

Compiler design is a course that discusses ideas used in construction of programming language compilers. Students learn how a program written in high level programming language and designed for humans understanding is systematically converted into low level assembly language understood by machines. We propose and implement a Case-based and Project-based Learning environment for teaching important Compiler design concepts (CPLC) to B.Tech third year students of a Delhi University (India) college. A case is a text that describes a real-life situation providing information but not solution. Previous research shows that case-based teaching helps students to apply the principles discussed in the class for solving complex practical problems. We divide one main project into sub-projects to give to students in order to enhance their practical experience of designing a compiler. To measure the effectiveness of case-based discussions, students complete a survey on their perceptions of benefits of case-based learning. The survey is analyzed using frequency distribution and chi square test of association. The results of the survey show that case-based teaching of compiler concepts does enhance students skills of learning, critical thinking, engagement, communication skills and team work.

The technique of formal abstraction provides an appropriate tool for specifying an interface between layers of computer hardware and software. An abstract machine called AM has been built to address the problem of portability and reusability of software. This thesis is the design and implementation of a C Compiler for this abstract machine. (Author)

The technique of formal abstraction provides an appropriate tool for specifying an interface between layers of computer hardware and software. An abstract machine called AM has been built to address the problem of portability and reusability of software. This thesis is the design and implementation of a C Compiler for this abstract machine. (Author)

The technique of formal abstraction provides an appropriate tool for specifying an interface between layers of computer hardware and software. An abstract machine called AM has been built to address the problem of portability and reusability of software. This thesis is the design and implementation of a C Compiler for this abstract machine. (Author)

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This paper presents the ideas underlying a computer program that takes as input a schematic of a mechanical or hydraulic power transmission system, plus specifications and a utility function, and returns catalog numbers from predefined catalogs for the optimal selection of components implementing the design. Unlike programs for designing single components or systems, this program provides the designer with a high level 'language' in which to compose new designs. It then performs some of the detailed design process for him. The process of 'compilation', or transformation from a high to a low level description, is based on a formalization of quantitative inferences about hierarchically organized sets of artifacts and operating conditions. This allows compilation without the exhaustive enumeration of alternatives. The paper introduces the formalism, illustrating its use with examples. It then outlines some differences from previous work, and summarizes early tests and conclusions. Keywords: Computer aided design; Computer programs; Mechanical design; Quantitative inference; Qualitative reasoning; Constraint propagation.

Presentation on design space exploration and optimization of embedded cache systems via a compiler.

The instruction set of the TI-59 Programmable Calculator bears a close similarity to that of an assembler. Though most of the calculator instructions perform primitive data movement and/or sequence control, some can do the work of small high level language procedures. Regardless of this fact, to design and debug TI-59 programs of moderate size can be more difficult than doing the computations themselves. Programming in a higher order language such as BASIC offers many advantages over calculator code. This report presents the design and implementation of a cross-compiler which translates correct BASIC programs into equivalent TI-59 programs. This software package includes a linker which maps calculator instructions to a set of magnetic cards. The cards are then used to implement a manually operated virtual memory system for the calculator. This expands program step capacity, and permits more complex programs to be written in BASIC language for translation into TI-59 instructions. (Author)

Design for Testability (DFT) is receiving major emphasis in the very large scale integration design field due to increasing circuit complexity. The utility of the silicon compiler and its value to a system designer without extensive VLSI design experience is discussed. Two major techniques for DFT, Scanpath Design and Built-in Test Design, are implemented using the Genesil silicon compiler. The basic building block, the shiftable test latch, is described in random logic block form and parallel datapath form. Linear feedback shift registers used as random vector generators and signature analyzers are used in the Built-in Test design. An Automatic Test Generation program is used to provide a measure of fault coverage for the two DFT techniques. The appendix is a brief tutorial illustrating the use of the Genesil system's shiftable test latch in its different configurations.

This paper describes and demonstrates a compiler and runtime support mechanism. The methods presented here are capable of solving a wide range of sparse and unstructured problems in scientific computing. The compiler takes as input a Fortran 77 program enhanced with specifications for distributing data, and the compiler outputs a message passing program that runs on a distributed memory computer. The runtime support for this compiler is a library of primitives designed to efficiently support irregular patterns of distributed array accesses and irregular distributed array partitions. We present a variety of Intel iPSC/860 performance results obtained through the use of this compiler.

The progress report consists of two volumes: the first focuses on the theoretical foundations of the author's work in detecting and exploiting parallelism. Volume I contains five chapters. Chapter I discusses several methods for the solution of Laplace's equation on a parallel computer by relaxation methods. Chapter II presents parallelism-detection methods for asynchronous processors while Chapter III restricts these methods to adapt them to synchronous processors. Chapter IV then considers related practical considerations. Chapter V describes a prototype parallel analyzer.

This thesis describes the need for including design for testability in a VLSI chip design and provides information on implementing a DFT strategy using the GENESIL Silicon compiler. Two structured techniques of design for testability, Scan Design and Built-in Self Test, are discussed. Also, the methodology used to implement the residue code with GENESIL for testing the multiply-add module of a second-order Infinite Impulse Response notch filter is presented. The cost, in terms of increased hardware and decreased performance, associated with implementing the residue code is examined by comparing modulo-3 and modulo-15 checking algorithms.

This thesis describes the need for including design for testability in a VLSI chip design and provides information on implementing a DFT strategy using the GENESIL Silicon compiler. Two structured techniques of design for testability, Scan Design and Built-in Self Test, are discussed. Also, the methodology used to implement the residue code with GENESIL for testing the multiply-add module of a second-order Infinite Impulse Response notch filter is presented. The cost, in terms of increased hardware and decreased performance, associated with implementing the residue code is examined by comparing modulo-3 and modulo-15 checking algorithms.

Jon Manning https://lca2020.linux.org.au/schedule/presentation/94/ Programmers are used to their compilers catching tiny problems in their code. When you're a writer, it's harder to catch these problems. Wouldn't it be nice if you could run an error-checker on your dialogue? This talk discusses the application of compiler optimisation and correctness checking techniques to branching narratives, which allow authors to verify the logic of their narrative independently of running it in the game. Yarn Spinner is an open source narrative design tool used in many games, including Night in the Woods (Infinite Fall / Finji) and OK KO: Let's Play Heroes (Capybara Games / Cartoon Network), that allows both writers and narrative designers to write, edit, script and manage their game's dialog using a simple scripting language that's reminiscent of Twine. While most games devise their dialog in script form, it's typically implemented using another system, such as a spreadsheet, or node-based tools. By contrast, Yarn Spinner implements a domain-specific language designed to be easy for a non-programmer to write their dialogue in, and easy for a programmer to implement gameplay-specific behaviour. Compilers for most programming languages are designed to catch common mistakes, and give warnings where appropriate. In recent years, tools for static analysis of programs - a technique where a compiler analyses the behaviour of code without running it - have allowed programmers to detect subtle bugs that a simpler compiler could not. For example, it's possible to identify a combination of branches that lead to an uninitialised variable being returned from a function. Because Yarn Spinner is a complete programming language, we are able to apply the same techniques from compiler design to assist writers. For example, a compiler is able to analyse a branching narrative tree, take into account the variables that are checked to decide what options are available, and determine that a line of dialog can never be reached. These techniques allow for more reliable testing of dialogue. Testing a branching piece of dialogue often relies on the tester repeating a number of decisions in order to set up the necessary state, which can be repetitive and tedious. However, a static analyser is able to identify what the values of certain variables _must be_ in order for a line to be accessed, which allows the tester to jump straight to the lines under test, skipping large amounts of per-test setup time. This allows someone who's trying to test out a conversation to do it in realistic conditions, skipping past the repetition while also guaranteeing that the state of the dialogue is the same as if they'd performed it manually. In this talk, I'll discuss work on Yarn Spinner that implements symbolic execution and basic block analysis, which allows writers to easily spot problems in the implementation of their narrative, saving development and testing time, and avoiding wasted production resources. Come and learn how to get started with these techniques, and how to use them in Yarn Spinner, the open source narrative design tool! linux.conf.au is a conference about the Linux operating system, and all aspects of the thriving ecosystem of Free and Open Source Software that has grown up around it. Run since 1999, in a different Australian or New Zealand city each year, by a team of local volunteers, LCA invites more than 500 people to learn from the people who shape the future of Open Source. For more information on the conference see https://linux.conf.au/ Produced by NDV: https://youtube.com/channel/UCQ7dFBzZGlBvtU2hCecsBBg?sub_confirmation=1 #linux.conf.au #linux #foss #opensource Thu Jan 16 10:45:00 2020 at Room 5

Jon Manning https://lca2020.linux.org.au/schedule/presentation/94/ Programmers are used to their compilers catching tiny problems in their code. When you're a writer, it's harder to catch these problems. Wouldn't it be nice if you could run an error-checker on your dialogue? This talk discusses the application of compiler optimisation and correctness checking techniques to branching narratives, which allow authors to verify the logic of their narrative independently of running it in the game. Yarn Spinner is an open source narrative design tool used in many games, including Night in the Woods (Infinite Fall / Finji) and OK KO: Let's Play Heroes (Capybara Games / Cartoon Network), that allows both writers and narrative designers to write, edit, script and manage their game's dialog using a simple scripting language that's reminiscent of Twine. While most games devise their dialog in script form, it's typically implemented using another system, such as a spreadsheet, or node-based tools. By contrast, Yarn Spinner implements a domain-specific language designed to be easy for a non-programmer to write their dialogue in, and easy for a programmer to implement gameplay-specific behaviour. Compilers for most programming languages are designed to catch common mistakes, and give warnings where appropriate. In recent years, tools for static analysis of programs - a technique where a compiler analyses the behaviour of code without running it - have allowed programmers to detect subtle bugs that a simpler compiler could not. For example, it's possible to identify a combination of branches that lead to an uninitialised variable being returned from a function. Because Yarn Spinner is a complete programming language, we are able to apply the same techniques from compiler design to assist writers. For example, a compiler is able to analyse a branching narrative tree, take into account the variables that are checked to decide what options are available, and determine that a line of dialog can never be reached. These techniques allow for more reliable testing of dialogue. Testing a branching piece of dialogue often relies on the tester repeating a number of decisions in order to set up the necessary state, which can be repetitive and tedious. However, a static analyser is able to identify what the values of certain variables _must be_ in order for a line to be accessed, which allows the tester to jump straight to the lines under test, skipping large amounts of per-test setup time. This allows someone who's trying to test out a conversation to do it in realistic conditions, skipping past the repetition while also guaranteeing that the state of the dialogue is the same as if they'd performed it manually. In this talk, I'll discuss work on Yarn Spinner that implements symbolic execution and basic block analysis, which allows writers to easily spot problems in the implementation of their narrative, saving development and testing time, and avoiding wasted production resources. Come and learn how to get started with these techniques, and how to use them in Yarn Spinner, the open source narrative design tool! linux.conf.au is a conference about the Linux operating system, and all aspects of the thriving ecosystem of Free and Open Source Software that has grown up around it. Run since 1999, in a different Australian or New Zealand city each year, by a team of local volunteers, LCA invites more than 500 people to learn from the people who shape the future of Open Source. For more information on the conference see https://linux.conf.au/ Produced by NDV: https://youtube.com/channel/UCQ7dFBzZGlBvtU2hCecsBBg?sub_confirmation=1 #linux.conf.au #linux #foss #opensource Thu Jan 16 10:45:00 2020 at Room 5

The objective is to provide an integrated simulation environment for studying and evaluating various issues in designing parallel systems, including machine architectures, parallelizing compiler techniques, and parallel algorithms. The status of Delta project (which objective is to provide a facility to allow rapid prototyping of parallelized compilers that can target toward different machine architectures) is summarized. Included are the surveys of the program manipulation tools developed, the environmental software supporting Delta, and the compiler research projects in which Delta has played a role.