Hmmm, it sounds like the XAML/C#/VB and DX/C++ world are completely seperated.
No C++/Cx/XAML ? No mixing XAML/DX ?
And, what it means to ''compiling apps in the cloud " ? NGEN ? AOT compiling MSIL ? and optimizing it with AutoV of VC compiler ??
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OK, I inspected some pdb files of .NET Framework 4.5, and saw this in sos.pdb/mscoreei.pdb
Now we have Phone NT and Phone CLR, what else ? Phone RT ?
Getting the Windows codebase to 'compile and run' on ARM should be relatively easy, given the flexibility of NT kernel, and the maturity of VC compiler for ARM, but getting it to 'run well' is much harder. It's not so much about the architecture or instruction set, but more about the raw horsepower and capabilities.
Historically, the philosophy of Windows and Microsoft app is, the hardware should become more and more powerful very quickly, and still cheaper according to the Moore's law, so Windows should leverage more and more hardware horsepower to deliver rich experience, never afraid of using more CPU, RAM, power and storage, just stuff more functionalities and eyecandies into Windows, the power of PC will run them well soon.
But apparently this philosophy has changed for Win8, the death of Aero Glass can be a good example, glass effects might be cool eyecandy but they are consuming CPU/GPU and battery power for little value. And by removing the Enterprise managability and limiting the Desktop, WoA can get rid of a boatload of bagages from all these years. I guess its Sinofsky's ultimate revenge to Allchin.
P.S. personally I guess LongARM started during or after Vista cycle but getting progress slowly due to the bad quality of Vista, they should push a really decent Windows release out the door first, so maybe the project was getting serious push again only after W7 shipped, and be boosted after the purchase of ARM architecture blurprint win 2010.
Acer: Windows 8 on ARM performance "isn't great"
well...people have tested ViStart, Start8 and Classic Shell on Win8 RP and they all working fine.
what was Thurrot talking about ??? RPEnabled & shsxs ?
OH! So you want binary backward compatibilty between a BETA and an RC version, for a totally new feature ???? what are you thinking ????
You design an app for a beta, its very normal that it broke in the RC, anything special here ???
Even 'normal' app are bound to broke, while these apps are basically a hack, so even riskier
Well, well, I think this 'compiler' has little to do with C++ front end, its not about trans-compile C# to C++ , I guess its all about the c2.dll aka Microsoft Optimizing Compiler.
sorry for the typo.