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Hi! Since version 5.26, ROOT's files are much faster to read; reports regarding ATLAS AODs regularly show a factor 6 speedup. I will explain where this acceleration comes from (or better what stopped previous ROOT files from being that fast) and how you can enable it. Disclaimer: almost all of... more
Hi! I'm happy to see that the title got you here :-) As a matter of fact, this is about several bugs in ROOT. We had code like   if (!CheckServerIsUp(server)) { MarkServerBad(server); } That code is just fine, right? Well, read on... We received a nice treatment by... more
Hi! Bjarne Stroustrup was here at CERN many weeks ago. In my previous entry I promised to tell you what else we were discussing: threading, symbols and reflection. I already mentioned how amazing his visit was in the previous entry; I also summarized our discussion on memory issues. You can... more
Hi! Bjarne Stroustrup was here at CERN last week. He gave a public presentation on the design of C++0x. We also invited him for a technical discussion of the issues we run into with C++, with a restricted audience. In this edition I'll give a summary of the latter: an intense, fruitful meeting... more
Hi! We all use it, in different levels of frequency and perfection. Most of us love it for its speed, hate it for its syntax - but have no reason to think about how to improve it, and where we hit the limits of C++. A bit like The Truman Show. Let's have a look at C++ itself for a minute. Of... more
Hi! There are still a few days until the next major version of ROOT will be available for download (June 30th). It's a good occasion to tell you want you might like about it! We have put more than thousand patches into ROOT since the last production release. Deciding what's relevant and... more
Hi! Today was the "cool things here, please!" day. I'll share two of them: computing and mostly non-computing. We got our manuscript for a paper back, together with a couple of (really good) remarks by the reviewers. The way it works is: they read, comment, request changes, and only once they... more
Hi! ROOT does not only work on Linux SLC4, 32 bit - it is working on so many platforms that people are disappointed if it does not work on their current OS. Supporting multiple platforms is not easy (example: I am trying to re-install my old windows box from scratch, so my summer student can use... more
Hi there, given that we usually only let our code speak, I thought it might be a good idea to write a few lines, once a while, on what we do. You will mostly get to hear what I am up to because I don't want to speak (too much :-) for my colleagues. My main responsibility is CINT and Reflex, i.e... more

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