Off-topic: Outlook 2007 Zoom Bad GUI

It is a symptom of bad UI design when things just happen, and you have no why, and no visible indication to help you figure it out. Last night, I noted that the text in Outlook when composing email suddenly was way larger than normal. I put that way as a fluke, but today, the effect was still there, all the time. Strange. So I went in and checked my font settings, which were all fine. This being Office 2007, I suspected some kind of zoom effect, but there was no zoom indicator in any Outlook window. I tried ctrl-+ and ctrl– to see if Outlook respected the web-style view size shortcuts. But no effect.

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SCDSource Article: Combining Fast and Detailed Models

I have another opinion piece published over at The title, “Why virtual platforms need cycle-accurate models“, was their creation, not mine, and I think it is a little bit off the main message of the piece.The follow-up discussion is also fairly interesting.

The key thing that I want to get across is that we need virtual platforms where we can spend most of our time executing in a fast, not-very-detailed mode to get the software somewhere interesting. Once we get to the interesting spot, we can then switch to more detailed models to get detailed information about the software behavior and especially its low-level timing. Getting to that point in detailed mode is impossible since it would take too much time.

This is something that computer architecture researchers have been doing for a very long time, just look at how toolsets like SimpleScalar and Simics with the Wisconsin GEMS system use fast mode for “positioning” and more detailed execution for “measurement”. It is also what is now commercial with the Simics Freescale QorIQ P4080 Hybrid virtual platform. Tensilica also have the ability to switch mode in their toolchain.

See an upcoming post for more on how to get at the cycle-accurate models – this was just to point out that that the article is there, for symmetry with previous posts about my articles popping up in places.