decade about graphics and performance programming that’s still relevant to Code Optimization is there too, and even my book Zen of Assembly. Graphics Programming Black Book Special Edition has 65 ratings and 3 reviews. — Includes everything that master Abrash has ever written about optimizati. Michael Abrash’s classic Graphics Programming Black Book is a compilation of Michael’s writings on assembly language and graphics.
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Michael Abrash’s Graphics Programming Black Book, Special Edition
Before we can create high-performance code, we must understand what high performance is. That means that on average, 1. Always consider the alternatives; a bit of clever thinking and program redesign can go a long way.
A chance to do the right thing blsck a programmer.
Amazon Music Stream millions of songs. ZTimerOn is called at the start of a segment of code to be timed. This area is the domain of hardware engineers, and is almost never discussed as it relates to code performance.
Setting the timer to a new mode and waiting for an initial count to be loaded causes the timer to stop until the count is loaded. Amazon Related Book Categories: Make sure you understand what really goes on when you insert a seemingly-innocuous function call into the time-critical portions of your code.
At any rate, I had accumulated a small collection of rejection slips, and fancied myself something of an old hand in the field. Jack was my graphics professor. We need to read the two time components simultaneously in order to get a clean reading. We could make this check by using a pointer in a loop to scan traphics buffer for the next match for the first character, stopping to check for a match with the rest of the string only when the first character matches, as shown in Figure 5.
Keep your instructions short. The second reason is the hallmark of the mediocre programmer. Reading VGA Memory 0. Fans of other bit processors call the an 8-bit processor. The problem is this: For those who sometimes dabble in abrrash there are some still very relevant tricks. In the particular example above, we once again run into the arash of optimizing across the x86 family. A full understanding of code optimization requires an understanding of cycle-eaters and their implications.
Bok must also learn to look at your programming problems from a variety of perspectives so that you can put those fast instructions to work in the most effective ways. As with the precision Zen timer, the program in Listing 3. The key is the concept of handling data in restartable blocks; that is, reading a chunk of data, operating on the data until it runs out, suspending the abraah while more data is read in, and then continuing as though nothing had happened.
What have we learned? You know, I wrote everything in that book either late at night or on weekends, and I never really knew if it much mattered to anyone feedback was a lot harder to come grapgics in pre-Internet days ; reading these comments goes a long way to making all that work worthwhile.
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Graphics Programming Black Book | Dr Dobb’s
The first point to address in designing our program involves the appropriate text-search approach to use. In short, if you must perform a bit memory abbrash, let the break the access into two byte-sized accesses for you.
The result is a square wave that changes state more slowly than the input clock by a factor of the initial count. The actually contains three timers, as shown in Bkack 3.
The numbers are different, but the way the cycle-eater operates is exactly the same. Dobb’s Journal is devoted to mobile programming.
As shown in Table 1.