Freesmartphone.org
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The document discusses software development for mobile phones and introduces the Freesmartphone.org framework. It aims to provide a platform-agnostic and language-agnostic way to access hardware capabilities through D-Bus. This allows different mobile platforms to achieve interoperability and shared technologies. The presentation includes an overview of mobile software stacks, hardware capabilities, the problem of separate hardware abstraction layers, the goals of the Freesmartphone.org framework, how it integrates with freedesktop.org, a primer on D-Bus, and a code walkthrough of using the framework.
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---------------------------------------------------
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This slide deck presents DLHT, a concurrent in-memory hashtable. Despite efforts to optimize hashtables, that go as far as sacrificing core functionality, state-of-the-art designs still incur multiple memory accesses per request and block request processing in three cases. First, most hashtables block while waiting for data to be retrieved from memory. Second, open-addressing designs, which represent the current state-of-the-art, either cannot free index slots on deletes or must block all requests to do so. Third, index resizes block every request until all objects are copied to the new index. Defying folklore wisdom, DLHT forgoes open-addressing and adopts a fully-featured and memory-aware closed-addressing design based on bounded cache-line-chaining. This design offers lock-free index operations and deletes that free slots instantly, (2) completes most requests with a single memory access, (3) utilizes software prefetching to hide memory latencies, and (4) employs a novel non-blocking and parallel resizing. In a commodity server and a memory-resident workload, DLHT surpasses 1.6B requests per second and provides 3.5x (12x) the throughput of the state-of-the-art closed-addressing (open-addressing) resizable hashtable on Gets (Deletes).
Must Know Postgres Extension for DBA and Developer during Migration
Mydbops Opensource Database Meetup 16
Topic: Must-Know PostgreSQL Extensions for Developers and DBAs During Migration
Speaker: Deepak Mahto, Founder of DataCloudGaze Consulting
Date & Time: 8th June | 10 AM - 1 PM IST
Venue: Bangalore International Centre, Bangalore
Abstract: Discover how PostgreSQL extensions can be your secret weapon! This talk explores how key extensions enhance database capabilities and streamline the migration process for users moving from other relational databases like Oracle.
Key Takeaways:
* Learn about crucial extensions like oracle_fdw, pgtt, and pg_audit that ease migration complexities.
* Gain valuable strategies for implementing these extensions in PostgreSQL to achieve license freedom.
* Discover how these key extensions can empower both developers and DBAs during the migration process.
* Don't miss this chance to gain practical knowledge from an industry expert and stay updated on the latest open-source database trends.
Mydbops Managed Services specializes in taking the pain out of database management while optimizing performance. Since 2015, we have been providing top-notch support and assistance for the top three open-source databases: MySQL, MongoDB, and PostgreSQL.
Our team offers a wide range of services, including assistance, support, consulting, 24/7 operations, and expertise in all relevant technologies. We help organizations improve their database's performance, scalability, efficiency, and availability.
Contact us: info@mydbops.com
Visit: https://www.mydbops.com/
Follow us on LinkedIn: https://in.linkedin.com/company/mydbops
For more details and updates, please follow up the below links.
Meetup Page : https://www.meetup.com/mydbops-databa...
Twitter: https://twitter.com/mydbopsofficial
Blogs: https://www.mydbops.com/blog/
Facebook(Meta): https://www.facebook.com/mydbops/
GraphRAG for LifeSciences Hands-On with the Clinical Knowledge Graph
Tomaz Bratanic
Graph ML and GenAI Expert - Neo4j
A Deep Dive into ScyllaDB's Architecture
This talk will cover ScyllaDB Architecture from the cluster-level view and zoom in on data distribution and internal node architecture. In the process, we will learn the secret sauce used to get ScyllaDB's high availability and superior performance. We will also touch on the upcoming changes to ScyllaDB architecture, moving to strongly consistent metadata and tablets.
Session 1 - Intro to Robotic Process Automation.pdf
👉 Check out our full 'Africa Series - Automation Student Developers (EN)' page to register for the full program:
https://bit.ly/Automation_Student_Kickstart
In this session, we shall introduce you to the world of automation, the UiPath Platform, and guide you on how to install and setup UiPath Studio on your Windows PC.
📕 Detailed agenda:
What is RPA? Benefits of RPA?
RPA Applications
The UiPath End-to-End Automation Platform
UiPath Studio CE Installation and Setup
💻 Extra training through UiPath Academy:
Introduction to Automation
UiPath Business Automation Platform
Explore automation development with UiPath Studio
👉 Register here for our upcoming Session 2 on June 20: Introduction to UiPath Studio Fundamentals: https://community.uipath.com/events/details/uipath-lagos-presents-session-2-introduction-to-uipath-studio-fundamentals/
Freshworks Rethinks NoSQL for Rapid Scaling & Cost-Efficiency
Freshworks creates AI-boosted business software that helps employees work more efficiently and effectively. Managing data across multiple RDBMS and NoSQL databases was already a challenge at their current scale. To prepare for 10X growth, they knew it was time to rethink their database strategy. Learn how they architected a solution that would simplify scaling while keeping costs under control.
Skybuffer SAM4U tool for SAP license adoption
Manage and optimize your license adoption and consumption with SAM4U, an SAP free customer software asset management tool.
SAM4U, an SAP complimentary software asset management tool for customers, delivers a detailed and well-structured overview of license inventory and usage with a user-friendly interface. We offer a hosted, cost-effective, and performance-optimized SAM4U setup in the Skybuffer Cloud environment. You retain ownership of the system and data, while we manage the ABAP 7.58 infrastructure, ensuring fixed Total Cost of Ownership (TCO) and exceptional services through the SAP Fiori interface.
Choosing The Best AWS Service For Your Website + API.pptx
Have you ever been confused by the myriad of choices offered by AWS for hosting a website or an API?
Lambda, Elastic Beanstalk, Lightsail, Amplify, S3 (and more!) can each host websites + APIs. But which one should we choose?
Which one is cheapest? Which one is fastest? Which one will scale to meet our needs?
Join me in this session as we dive into each AWS hosting service to determine which one is best for your scenario and explain why!
Introduction of Cybersecurity with OSS at Code Europe 2024
I develop the Ruby programming language, RubyGems, and Bundler, which are package managers for Ruby. Today, I will introduce how to enhance the security of your application using open-source software (OSS) examples from Ruby and RubyGems.
The first topic is CVE (Common Vulnerabilities and Exposures). I have published CVEs many times. But what exactly is a CVE? I'll provide a basic understanding of CVEs and explain how to detect and handle vulnerabilities in OSS.
Next, let's discuss package managers. Package managers play a critical role in the OSS ecosystem. I'll explain how to manage library dependencies in your application.
I'll share insights into how the Ruby and RubyGems core team works to keep our ecosystem safe. By the end of this talk, you'll have a better understanding of how to safeguard your code.
inQuba Webinar Mastering Customer Journey Management with Dr Graham Hill
HERE IS YOUR WEBINAR CONTENT! 'Mastering Customer Journey Management with Dr. Graham Hill'. We hope you find the webinar recording both insightful and enjoyable.
In this webinar, we explored essential aspects of Customer Journey Management and personalization. Here’s a summary of the key insights and topics discussed:
Key Takeaways:
Understanding the Customer Journey: Dr. Hill emphasized the importance of mapping and understanding the complete customer journey to identify touchpoints and opportunities for improvement.
Personalization Strategies: We discussed how to leverage data and insights to create personalized experiences that resonate with customers.
Technology Integration: Insights were shared on how inQuba’s advanced technology can streamline customer interactions and drive operational efficiency.
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Freesmartphone.org
- 1. Free your phone Shaastra 2008 – IIT Madras Sudharshan 'Sup3rkiddo' S
- 2. Agenda ● Software development in mobile phones ● Freesmartphone.org framework ● FSO and freedesktop.org ● D-Bus primer (a gooey chocolate) ● Framework daemon components ● Code walkthrough, zhone ● A bit about Openmoko
- 3. Mobile Software Development ● Variety of software stacks – Symbian – Windows CE/Mobile – EZX – Android – J2ME – And a lot more
- 4. Mobile Software development ● Variety of hardware capabilities – Camera – GPS – Music player – Touch screen – USB – Accelerometers – And many more
- 5. The problem ● We solve the problem with hardware abstraction layers – Neod for Openmoko – Ohm for Maemo – Zaurusd for OpenZaurus – Machined for GPE
- 6. ..all doing the same damn thing
- 7. Wouldn't it be nice if...
- 8. What is freesmartphone.org? “freesmartphone.org is a collaboration platform for opensource and open discussion software projects working on interoperability and shared technology for Linux-based Smartphones” -- http://wiki.freesmartphone.org
- 9. Design goals ● Be platform agnostic, doesn't matter where you are running the code ● Be language agnostic as well. If it has Dbus bindings you are home. ● Be simple and small. Example, HAL vs. Device subsystem of the FSO framework ● Integrate tightly with the hardware for performance ● Lastly, “re-use existing technologies, but not overdo it”
- 10. Why re-invent something that freedesktop.org is already doing? ● FDO focuses on interoperability and standards between different Desktop Environments, ex: KDE, Gnome, XFCE ● FSO focuses on interoperability between entire software platforms for Smartphones and similar devices ● (Well, we still use Dbus and thats from FDO) ● As, the name implies freedesktop.org is for Desktops. And Desktops != Mobile phones
- 11. D-Bus Primer ● One of the coolest things to have happened in the FOSS world. ● Inter-process Communication for mortals
- 12. D-Bus in one line Expose an object with an interface on a System or Session Bus
- 13. D-Bus in FSO framework ● Use system bus. So only one instance of the code will run. ● Example. GetCapacity method from org.freesmartphone.Device.PowerSupply interface running on org.freesmartphone.odeviced system bus
- 14. How it all comes together, a quick demonstration
- 15. Zhone, walkthrough Because APIs without a consumer suck. A code walkthrough of zhone (Zen Phone)
- 16. Links and Resources ● http://www.freesmartphone.org ● http://git.freesmartphone.org ← code ● http://wiki.openmoko.org/wiki/OpenmokoFramewor ● http://dbus.freedesktop.org/ ● http://www.sudharsh.wordpress.com
- 17. Yay, Thanks This talk wouldn't have been possible without the hackers at Openmoko and other FOSS contributors. Cheers!