Entwurf von Optimierungen für Squeak

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The document discusses the results of a study on the impact of climate change on global wheat production. Researchers found that rising temperatures will significantly reduce wheat yields across different regions of the world by the end of the century. Under a high emissions scenario, the study projects a global average decrease in wheat production of 6% by 2050, and a 17% decrease by 2100, threatening global food security.

Technology

At a previous JRubyConf, we talked about Thnad, a fictional programming language. Thnad served as a vehicle to explore the joy of building a compiler using JRuby, BiteScript, Parslet, and other tools. Now, Thnad is back with a second runtime: Rubinius. Come see the Rubinius environment through JRuby eyes. Together, we'll see how to grapple with multiple instruction sets and juggle contexts without going cross-eyed.

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Updated version of the Lecture. VUB Brussels, Ocotber 2018 Smalltalk provides many reflective features, yet behavioral reflection is limited. Pharo provides reflective features that go beyond standard Smalltalk. The lecture will present Reflectivity, a framework for fine-grained behavioral reflection. It allows to annotate the AST with MetaLinks, alowing meta-objects to change behavior down to a single operation. After a overview of the framework, we show how MetaLinks are used in Pharo to realize IDE tools such as BreakPoints and Code Coverage.

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Smalltalk provides many reflective features, yet behavioral reflection is limited. Pharo provides reflective features that go beyond standard Smalltalk. The lecture will present Reflectivity, a framework for fine-grained behavioral reflection. It allows to annotate the AST with MetaLinks, alowing meta-objects to change behavior down to a single operation. After a overview of the framework, we show how MetaLinks are used in Pharo to realize IDE tools such as BreakPoints and Code Coverage.

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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...

名前です男

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Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process. In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds. - These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.

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Presented by Vladimir Iglovikov: - https://www.linkedin.com/in/iglovikov/ - https://x.com/viglovikov - https://www.instagram.com/ternaus/ This presentation delves into the journey of Albumentations.ai, a highly successful open-source library for data augmentation. Created out of a necessity for superior performance in Kaggle competitions, Albumentations has grown to become a widely used tool among data scientists and machine learning practitioners. This case study covers various aspects, including: People: The contributors and community that have supported Albumentations. Metrics: The success indicators such as downloads, daily active users, GitHub stars, and financial contributions. Challenges: The hurdles in monetizing open-source projects and measuring user engagement. Development Practices: Best practices for creating, maintaining, and scaling open-source libraries, including code hygiene, CI/CD, and fast iteration. Community Building: Strategies for making adoption easy, iterating quickly, and fostering a vibrant, engaged community. Marketing: Both online and offline marketing tactics, focusing on real, impactful interactions and collaborations. Mental Health: Maintaining balance and not feeling pressured by user demands. Key insights include the importance of automation, making the adoption process seamless, and leveraging offline interactions for marketing. The presentation also emphasizes the need for continuous small improvements and building a friendly, inclusive community that contributes to the project's growth. Vladimir Iglovikov brings his extensive experience as a Kaggle Grandmaster, ex-Staff ML Engineer at Lyft, sharing valuable lessons and practical advice for anyone looking to enhance the adoption of their open-source projects. Explore more about Albumentations and join the community at: GitHub: https://github.com/albumentations-team/albumentations Website: https://albumentations.ai/ LinkedIn: https://www.linkedin.com/company/100504475 Twitter: https://x.com/albumentations

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