Tag: optimization

Feed: Planet MySQL; Author: David Yeager; In this post I describe the various steps that allowed me to reach 3.6 million queries per second on a single VM instance using MySQL 8.0 with the help of Dynimize.It's not every day that you get to break a record. So when I discovered that you can now rent by the hour massive instances within Google Compute Cloud that support 224 virtual cores based on AMD EPYC 2 Rome processors, I had to jump at the opportunity to see what kind low hanging fruit might be out there. Low and behold I found ... Read More

Feed: R-bloggers. Author: Economics and R - R posts. Most economists agree that putting a price on greenhouse gas emmissions either in form of emission certificates or a carbon tax should be the main instrument to combat climate change in a cost-efficient manner. Sweden has introduced a steadily increasing Carbon tax in 1991 which reached in 2020 a level of 110 Euro per ton CO2, which makes it the highest carbon tax in the world. The tax applies to those sectors that are not covered by the EU emission trading system (mainly transport and residential heating). Two important questions related ... Read More

Feed: AWS Public Sector Blog. Author: Percy Mohale. T-Digital, a division of Tshwane University Technology Enterprise Holding (TUTEH) in South Africa, built TRes, a digital platform for students living in student housing and for accommodation providers. TRes connects students with available housing and verified and authorized property owners. It addresses student accommodation needs and helps verified and approved property owners fully allocate their residences, while alleviating administrative burden. The platform aims to create ongoing interaction between students, accommodation providers, and university administrators.With help from Amazon Web Services (AWS) Professional Services, T-Digital experienced flexibility, agility, and realized cost savings. Read on ... Read More

Feed: Featured Blog Posts - Data Science Central. Author: Diego Lopez Yse. Do you know how your apps work? Are you aware of what tech companies are doing in the back with your data? And what’s more revealing: do you know which of your action are actually influenced by those apps? When you take a trip with Uber, buy stuff on Amazon, or watch a movie on Netflix: when are you consciously deciding and when are you being heavily influenced? Tech companies are not passively observing your behavior and acting as a consequence: they are influencing your behavior so you become ... Read More

Feed: Featured Blog Posts - Data Science Central. Author: Sergey Lukyanchikov. InterSystems IRIS – the All-Purpose Universal Platform for Real-Time AI/ML Author: Sergey Lukyanchikov Challenges of real-time AI/ML computations We will start from the examples that we faced as Data Science practice at InterSystems: A “high-load” customer portal is integrated with an online recommendation system. The plan is to reconfigure promo campaigns at the level of the entire retail network (we will assume that instead of a “flat” promo campaign master there will be used a “segment-tactic” matrix). What will happen to the recommender mechanisms? What will happen to data ... Read More

Feed: R-bloggers. Author: R on OSM. [This article was first published on R on OSM, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.In our last post, we ran simulations on our 1,000 randomly generated return scenarios to compare the average and risk-adjusted return for satisfactory, naive, and mean-variance optimized (MVO) maximum return and maximum Sharpe ratio portfolios. We found that you can shoot for high returns or high risk-adjusted returns, but rarely both. Assuming ... Read More

Feed: AWS Public Sector Blog. Author: Nader Nanjiani. According to the National Center for Education Statistics, only 60 percent of college students receive a degree within six years. Universities—like Portland State University (PSU) and Oklahoma State University (OSU-OKC)—are using data lakes for analytics and machine learning to improve academic achievement by helping students reach their educational goals faster.And now, with the launch of an Education Pricing Program (EPP) for Amazon Simple Storage (Amazon S3), education institutions can use storage to build a data lake for up to 45 percent off public pricing for the S3 One Zone–Infrequent Access and S3 ... Read More

Feed: Teradata Blog. If you’re responsible for data strategy in a large organization, there’s a good chance you’ve got a mess on your hands. In recent years, most organizations have let their discipline for deploying enterprise data slip a bit. Some have let it slip a lot. In their rush to deploy valuable applications, project teams developed solutions in relative isolation, collecting the data they need for their own purposes, missing the opportunity to reuse data across applications and analytic use cases. On top of this, well-intentioned “self-service” initiatives have often spun out of control. What were supposed to be ... Read More

Feed: AWS Partner Network (APN) Blog. Author: Balbir Wadhwa. By Balbir Wadhwa, Sr. Manager at Deloitte ConsultingBy Kenny Rajan, Scott Francis, and Manas Srivastava, Sr. Partner Solution Architects at AWSMany companies today are challenged to ensure the resiliency of their supply chain operations against the disruption of geopolitical events, climate-related disasters, public health crises, and more. These companies are often making investments to withstand this disruption, across customer demand, supply of materials, and logistics services. Yet, outdated, rigid systems and strategies are causing investments to fail—as these systems cannot adequately provide an end-to-end view across the dependencies both inside and ... Read More

Feed: Microsoft Azure Blog. Author: Lichun Li. As businesses continue to adapt to the realities of the current environment, operational resilience has never been more important. As a result, a growing number of customers have accelerated a move to the cloud, using Microsoft Azure NetApp Files to power critical pieces of their IT infrastructure, like Virtual Desktop Infrastructure, SAP applications, and mission-critical databases. Today, we release the preview of Azure NetApp Files cross region replication. With this new disaster recovery capability, you can replicate your Azure NetApp Files volumes from one Azure region to another in a fast and cost-effective ... Read More