Handling selfmodifying code using software dynamic translation. The strata ar platform is a powerful augmented reality system that expands possibilities for marketing, training, education and visualization. Statas data management features give you complete control. A software dynamic translation infrastructure guide. Overhead reduction techniques for software dynamic. Strata is a portable, extensible software dynamic translation sdt infrastructure, developed at the university of virginia.
Strata is the foundation layer of opengammas commercial services for the derivative market, helping market participants understand the cost of trading and optimise counterparty. Besides the info below, we have pages specific for homeowners, and strata management companies. Dynamo and mojo 1, 3 use software dynamic translation to improve the performance of. Performance on these benchmarks gives us reason to believe that threaded software dynamic translation can be effective method of offloading work of the software dynamic translator. Examples of software dynamic translation systems include strata 4244, pin 29, hdtrans 48 and dynamorio 25. Dear all, im currently new to nastran software and modeliing in general. Our expertise for over 25 years we have worked closely with our bodies corporate to provide innovative solutions to strata issues that go beyond the specific strata laws governing their schemes. They take the initiative but are also very helpful in responding effectively to. Strata has been used for a variety of applications including system call monitoring, dynamic download of code from a server, and enforcing security policies 12, 25. The tutorial will explore strata and its mechanisms for dynamic translation. They take the initiative but are also very helpful in responding effectively to owners ideas about the property.
To address these challenges, we developed a system, called strata, for. Strata is designed to be ported easily to new platforms and to date has been targeted to sparcsolaris, x86linux, and mipsirix. This tutorial will present the approaches used in strata for dynamic translation. To differentiate and grow your business in a competitive market. A sourcelevel debugger for dynamically translated programs. Software dynamic translation software dynamic translation can affect an executing program by inserting new code, modifying some existing code, or controlling the execution of the program in some way.
A software dynamic translation infrastructure request pdf. It can be used for several purposes, such as binary translation, program. The focus will be on sdt reconfigurability and machine retargetability, translation overhead reduction. Abstract threaded software dynamic translation core. Strata performs onedimensional linearelastic and equivalentlinear shaketype site response analyses using time series or. A software dynamic translation infrastructure core. Strata software all strata software add to cart details. The infrastructure, called strata, provides the software dynamic translator implementor with a virtual machine model that can be extended to.
Strata is an infrastructure for building software dynamic translators. Strata is a software dynamic translation sdt infrastructructure which interposes a software layer between the application and the cpu, much like the virtual machine model. And much more, to support all your data science needs. Safe virtual execution using software dynamic translation proceedings of the 18th annual computer security applications conference 2002 strata. Examples of these dbts are dynamo 2 and dynamorio 5, 6. Comparison among dynamic instrumentation tools runtime overhead of basicblock counting with three different tools valgrind is a popular instrumentation tool on linux callbased. Our framework, called strata, is based on software dynamic translation sdt, a technique for modifying binary programs as they execute. As part of the continuous compilation project at the university of virginia and the university of pittsburgh 6, we have developed a. This paper describes stratas architecture, our experience retargeting it to three different processors, and our use of strata to build two novel sdt systems one for. A software dynamic translation infrastructure kevin scott and jack davidson department of computer science microsoft research university of virginia microsoft. Sdts have been used in numerous security applications, including.
Mar 26, 2003 despite this increased attention, the task of initiating a new project in software dynamic translation remains a difficult one. In addition to its demonstrated utility in dynamic optimizers. This allows the system to ooad the work of translation into its own thread. Software dynamic translation sdt has received much attention due to compelling applications of the technology, including software security checking, binary translation, and dynamic. We take the view that the market risk foundations of our commercial services are standard functionality that can be widelyused in the industry. Instrumentation in software dynamic translators for self. Safe virtual execution using software dynamic translation. Source level debugging of dynamically translated programs. Efficient instruction set randomization using software dynamic translation. Strata works by loading a binary application dynamically, and. Using this technique threaded strata able to speculatively build on average 69 % of the fragments of the spec2000 cint benchmark suite. The fragment cache is a software instruction cache that stores. Currently, a new implementation vehicle, software dynamic translation sdt, is being increa singly used for important applications, including software security 17,22, dynamic code optimization 1,2,4, binary translation of one instruction set to another 10,11,12,23, host machine virtualization 28, and computer architecture simulation. Strata dynamics have kept an eagle eye on our premises and worked with owners and tenants very effectively.
Strata developed by albert kottke and ellen rathje. Strata is the foundation layer of opengammas commercial services for the derivative market, helping market participants understand the cost of trading and optimise counterparty relationships. Powerful and agile strata management technology offers a distinct advantage for successful strata businesses. Strata has been used for a variety of applications including system call monitoring, dynamic download of. To differentiate and grow your business in a competitive market, you need engaged staff delivering excellent client service. Fred body corporate secretary strata dynamics pty ltd 20170502t03. This software provides a comprehensive toolkit for seismic data inversion and wavelet estimation. Combining businessfocus with it experience strata software. Powerstrata is an advanced strata management platform that makes managing multiple strata properties and thousands of units simple and straightforward. Stata is a complete, integrated software package that provides all your data science needsdata manipulation, visualization, statistics, and automated reporting. As the figure shows, each time strata encounters a new pc, it first checks to see if the pc has been translated into the fragment cache. Software dynamic translation sdt is a technology that allows programs to be modified as they are run. Googles free service instantly translates words, phrases, and web pages between english and over 100 other languages. Strata is designed as an objectoriented virtual machine with target independent and dependent services that can be easily reconfigured and retargetted for new applications and platforms.
This section describes some of the basic features of strata which are important. Overhead reduction techniques for software dynamic translation. There is nothing that prevents our techniques from being used in a dynamic translator. Evaluating the impact of dynamic binary translation. Instrumentation in software dynamic translators for selfmanaged systems. This allows the system to ooad the work of translation. Strata performs onedimensional linearelastic and equivalentlinear shaketype site response analyses using time series or random vibration theory ground motions. Excel uses it as quality control tool, as well as providing our clients with p. Retargetable and reconfigurable software dynamic translation. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Dynamo and mojo 1, 3 use software dynamic translation to improve the performance of native binaries, and daisy uses software dynamic translation to evaluate the performance of novel vliw architectures and accompanying optimization techniques 8. Section 6 describes related work and section 7 summarizes the paper. Sign up site response program featuring simulated profiles, random vibration theory, and a graphical user interface. Software dynamic translation sdt is a technology that enables software malleability.
An easytouse, timesaving solution for professional strata managers who want to provide the ideal lot owner experience. Examples of software dynamic translation systems include strata 42, 43, 44, pin 29, hdtrans 48 and dynamorio 25. Binary translation using peephole superoptimizers cse iit delhi. Strata dynamics design, establish and administer bodies corporate and community title schemes. Chapter 7 moving target defenses in the helix self.
Strata allows for stochastic variation of the site properties, including the shearwave velocity, layer thicknesses, depth to bedrock, and shear modulus reduction and material. Flexible instrumentation for software dynamic translation. Designed to comply with bc legislation and spa strata property act. This work presents the groundwork for enabling the strata software dynamic translation framework to run in multiple threads. Moving target defenses in the helix selfregenerative. Software dynamic translation is the alteration of a running program to achieve a. The trigger image and related content is setup within stratas cloud based web platform.
Software dynamic translation is the alteration of a running program to achieve a specific objective. Safe virtual execution using software dynamic translation ieee. To address this concern, and in particular, to promote the adoption of sdt technology into an even wider range of applications, we have implemented strata, a crossplatform infrastructure for building software dynamic. The strata basic services implement a very simple dynamic translator that mediates execution of native application. Combining businessfocus with it experience enabling business discovery and differentiation. Unfortunately, many of the programs being run under software dynamic translation are single threaded, and are unable to take advantage of thread level parallelism.
Citeseerx abstract threaded software dynamic translation. Strata is an sdt system designed for high retargetability and low overhead translation. Software dynamic translation and multiprocessing hardware are both becoming prevalent in todays computing. Despite this increased attention, the task of initiating a new project in software dynamic translation remains a difficult one. For example, a dynamic optimizer uses software dynamic translation to modify a. For example, a dynamic optimizer uses software dynamic translation to modify a running program with the objective of making the program run faster. Performance on these benchmarks gives us reason to. Strata ar platform strata strata3d modeling software. Evaluating fragment construction policies for sdt systems. The infrastructure, called strata, provides the software dynamic translator implementor with a virtual machine model that can be extended to implement specific software dynamic translation functionality. The infrastructure, called strata, provides the software dynamic translator implementor with a virtual machine model that can be extended to implement specific. The strata ar platform works by using our phone based app to scan and recognize a trigger image. Handling selfmodifying code using software dynamic. With the growing number of uses of software dynamic translation in academia and industry, a lack of adequate source level debugging techniques is currently a stumbling block.
1033 161 396 1065 661 231 1367 884 825 786 1167 1166 1185 743 134 195 646 89 263 818 690 961 802 1321 1589 906 767 1045 797 409 552 1243 286 1007 884 885 646 642 735 692 312