Linked by Thom Holwerda on Tue 17th Nov 2009 16:13 UTC
Microsoft's Professional Developers Conference is currently under way, and as usual, the technical fellows at Microsoft gave speeches about the deep architecture of Windows - in this case, Windows 7 of course. As it turns out, quite some seriously impressive changes have been made to the very core of Windows - all without breaking a single application. Thanks to BetaNews for summarising this technical talk so well.
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RE: An extreme but real example of two things
by Thom_Holwerda on Tue 17th Nov 2009 19:35
in reply to "An extreme but real example of two things"
Member since:2005-06-29
RE: An extreme but real example of two things
by tomcat on Tue 17th Nov 2009 19:39
in reply to "An extreme but real example of two things"
Member since:2006-01-06
RE[2]: An extreme but real example of two things
by Bahadir on Wed 18th Nov 2009 15:31
in reply to "RE: An extreme but real example of two things"
Member since:2007-05-19
"An extreme and real example of a poster not having any clue what a kernel does but who nonetheless feels compelled to post meaningless crap.
There, fixed it for you. "
Tomcat the old osnews user, why do you get so angry? There is a point to what I am saying. I used a single sentence I guess that's why it wasn't addressed correctly. Sometimes summaries don't work.
Here's an excerpt from the post:
"The problem with the PFN lock is that the huge majority of all virtual memory operations were synchronized by a single, system-wide PFN lock
By PFN he is perhaps talking about the struct page lists of all physical pages. I know the stuff having written one myself.
Now, having a single lock for this? Up until 2009 Windows Vista? That doesn't sound right to me.
Projects have different priorities, and I understand that. Windows project is about customer-oriented usability and compatibility. It is not about performance or best technical architecture.
Linux kernel is there for technical superiority. People with high technical skills (not saying this isn't true for Windows kernel, but more true for Linux kernel) contribute to the project because of their technical interests. Also Linux has an evolutionary aspect to it that strengthens it, which is not true for many other kernels out there.
The result? In many ways the Linux kernel is technically superior. But Windows is used a lot more. Before Ubuntu I wasn't able to use Linux for everyday use myself. That's what I wanted to summarize in a single sentence.
RE: An extreme but real example of two things
by hussam on Tue 17th Nov 2009 21:32
in reply to "An extreme but real example of two things"
RE[2]: An extreme but real example of two things
by tomcat on Tue 17th Nov 2009 21:52
in reply to "RE: An extreme but real example of two things"
Member since:2006-01-06
News
Linked by Thom Holwerda on 05/21/13 15:53 UTC
The new WebKit Opera for Android has been released. "Opera 14 for Android is built on top of Chromium 26, with a total overhaul of the UI in native code, making it fit well with the latest Android design guidelines. Go get the build from Google Play or point your browser to m.opera.com, and give it a spin!"
Linked by Thom Holwerda on 05/20/13 22:43 UTC
The Verge pointed me to a blog post by Leap Motion - which reveals how their Kinect-like motion control works with Windows 8. "From the second you plug in your Leap Motion Controller, you'll be able to browse the web and interact with your computer just by moving your hands and fingers in the air. With Leap Motion technology and Windows, you can do everything that's possible with multi-touch inputs - without actually touching anything. This also means that existing applications in Windows 7 and 8 will respond to your natural hand and finger movements. Soon, we'll show you how Leap Motion will work with Mac OS X." Quite cool.
Linked by Thom Holwerda on 05/20/13 21:50 UTC
PocketNow interviews Marc Dillon, and there's an interesting note about why Jolla is keeping the display properties under wraps: "We're leaving some of those details out because we do understand that there are a lot of really big players in the market and they tend to take certain components in the market and dominate them. We created the ability to actually be able to run Sailfish on multiple hardware displays and be able to swap components, so this is part of the demand and supply planning phase. We are committed to this industrial design which is a 4.5-inch display, an 8 megapixel camera on the back and a front-facing camera at the front, and the exact specs of the display we'll provide when we're close to delivery." Something you rarely hear anything about.
Linked by Thom Holwerda on 05/19/13 23:15 UTC
"This is my NeXTstation Turbo Color booting the Mac System 7.1 Operating System using a hardware add-on called 'Daydream'. The Daydream has a Mac ROM and a few custom ICs in it and hooked up to the NeXTs DSP port. Turns your NeXT into a full fledged 68k powered Mac." So cool.
Linked by Thom Holwerda on 05/19/13 23:11 UTC, submitted by Drumhellar
"The NetBSD Project is pleased to announce NetBSD 6.1, the first feature update of the NetBSD 6 release branch. It represents a selected subset of fixes deemed important for security or stability reasons, as well as new features and enhancements. Please note that all fixes in the prior security/bugfix updates (NetBSD 6.0.1 and 6.0.2) are also in 6.1."
Linked by Thom Holwerda on 05/18/13 21:06 UTC
"At the end of a week in which Electronic Arts confirmed it wasn't developing a thing for the Wii U, one of the software engineers in EA Sports' Canada studio, in a series of since-deleted tweets, disparaged the console as 'crap' and suggested Nintendo should give up on hardware altogether. 'The Wii U is crap. Less powerful than an Xbox 360. Poor online/store. Weird tablet', tweeted Bob Summerwill, listed as a senior software engineer at EA Canada, in a reply to a tweet posting a link about EA's no-Wii U news. 'Nintendo are walking dead at this point'." The Wii U is turning into the 21st century's Virtual Boy.
Linked by Thom Holwerda on 05/18/13 7:37 UTC
"In NixOS, the entire operating system - the kernel, applications, system packages, configuration files, and so on - is built by the Nix package manager from a description in a purely functional build language. The fact that it's purely functional essentially means that building a new configuration cannot overwrite previous configurations. Most of the other features follow from this." Interesting approach. A Linux distribution, sure, but with some very refreshing ideas about system configuration.
Linked by fran on 05/18/13 1:38 UTC
Appfour added, among other features, C/C++ support to its new version of AIDE. From Android-IDE, "Now you can write parts of your app or your whole app in C/C++ on your device. AIDE supports the Standard Android NDK toolchain (GCC 4.6 + Bionic, STL, ...). No changes are necessary if you want to build an app developed on a PC with Eclipse. C/C++ development is fully integrated: Build errors appear in the error list and files can easily be navigated to with Go to file. The editor supports C/C++ syntax highlighting."
Linked by Thom Holwerda on 05/17/13 23:35 UTC, submitted by kragil
Ars nails it: "The answer is that Google did announce what amounts to a fairly substantial Android update yesterday. They simply did it without adding to the update fragmentation problems that continue to plague the platform. By focusing on these changes and not the apparently-waiting-in-the-wings update to the core software, Google is showing us one of the ways in which it's trying to fix the update problem."
Linked by MOS6510 on 05/17/13 22:22 UTC
"It is good for programmers to understand what goes on inside a processor. The CPU is at the heart of our career. What goes on inside the CPU? How long does it take for one instruction to run? What does it mean when a new CPU has a 12-stage pipeline, or 18-stage pipeline, or even a 'deep' 31-stage pipeline? Programs generally treat the CPU as a black box. Instructions go into the box in order, instructions come out of the box in order, and some processing magic happens inside. As a programmer, it is useful to learn what happens inside the box. This is especially true if you will be working on tasks like program optimization. If you don't know what is going on inside the CPU, how can you optimize for it? This article is about what goes on inside the x86 processor's deep pipeline."More News »
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Member since:
2007-05-19
An extreme and real example of how linux kernel is much more superior than the windows kernel, and how it does not matter a tad whether you have a badly designed kernel, provided that you have a more user friendly and compatible interface.