![]() ![]() ![]() Now, your chart probably doesn’t actually fill the entire screen from left-to-right - after all, you need space to show the columns of data that you are working with, right? So let’s further assume that your chart is roughly 1000 pixels wide. I’ll presume that you have a pretty good monitor, perhaps running at a resolution of 1600×1200 pixels. Pretend you are working in Excel and want to create a simple line chart with a large data set that contains as many as 30,000 data points. Some of the code changes needed are invasive and we’ve had to evaluate the risk-vs.-reward tradeoffs and make decisions to delay these changes until a more appropriate time. That said, we’re continuing to make additional improvements. Each of the Office 2008 updates ( 12.0.1, 12.1, 12.1.1, 12.1.2, and 12.1.3) have contained a number of performance improvements, among many other fixes. Each of these three areas are places where we’ve actually put in some significant research and investment in improving Office 2008 performance. One of the most common areas mentioned is performance, such as the amount of time it takes Office apps to boot, the amount of time it takes a chart to draw, or the amount of time it takes Excel to recalculate a worksheet in particular. Over the ten or so months that Office 2008 has been available, we’ve received a lot of feedback about the suite. It is sad but safer to leave things alone. We could fix it and make things faster, but currently the code calculates correctly (albeit slowly) and any fix might totally break all function dependency analysis. One example might be a performance bug in Excel’s recalc engine. Some bugs are easier to hit, but fixing them may have a high risk of regression and may cause another bug that is even worse. I’m going to go into a bit more detail about one of those reasons today, so allow me to quote myself from that post: In that post, I briefly discussed a number of reasons why not every known bug gets fixed in any particular dot-release of a product. A little over two years ago, I wrote a long post about bugs. ![]()
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