( Learn how to squeeze faster performance from existing programs. ( The diskette included with the book has replacements for common functions in the standard C library. Using this code, instead of the library that comes with commercial compilers, will make programs run faster. ( The diskette also provides a utility, TACHO.EXE, a "tachometer" that assesses the cycle times of executable program files. Optimizing C with Assembly Code shows how to make C programs run faster by strategically inserting brief inline assembly code. Many of the explanations about cycle times and pipeline stalls have never been published anywhere; not even by Intel. Although the book targets MS-DOS and Windows 3.x running on 486s, many of the improvements are also relevant for OS/2 or other 32-bit systems. Most of these optimizations are useful for 386s. The authors warn the reader if they are not useful for 386s. Additionally, the authors evaluate the optimizers of the three most popular C compilers. Borland C++, Microsoft Visual C++, & Symantec C++ are critically compared. These compilers are used as test compilers throughout the book, but the processing rules focus on methods common to all C compilers. The assembly routines in this book can improve processing by 15% to 50% over the commercial compiler libraries. Programmers who know how to profile their programs and provide efficient processing, and are looking for the last iota of speed in execution. No assembler experience is necessary, but the authors assume that the reader has a reference text for looking up instruction definitions, register names, etc. (One of the Appendices provides 80486 assembler instruction mnemonics and cycle times).
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Book Description
Editorial Reviews
About the Author
The authors are the principles of Ocelot Computer Services Inc., Edmonton, Alberta, Canada; with more than a decade of experience in consulting and product development. Their previous book, "Optimizing SQL" was also published by R&D Books.
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Most Helpful Customer Reviews
5 of 5 people found the following review helpful:
5.0 out of 5 stars
Optimizing Assembly with C as an infrastructure,
By
This review is from: Optimizing C with Assembly Code: Secret Rules of Assembler with 3.5 Disk (Paperback)
This is one of the very few books that can help a person improve their skill in assembly as well as many of the common optimization and pitfalls for speed. Since it's rather old, it handles only up to the 486 but is very useful nonetheless.Don't buy this book expecting to be handheld, it expects (and demands) an intelligent programmer who knows what they are doing to get good mileage. If you're a beginner, you're better off with another book - this is really for the competent C programmer who knows a bit of assembly and knows what to expect from the 80x86 architecture. If you're an assembly programmer who wants to cycle count and tweak those algorithms for extra cycles of speed, this is your book.
2 of 2 people found the following review helpful:
5.0 out of 5 stars
A good starter,
By A Customer
This review is from: Optimizing C with Assembly Code: Secret Rules of Assembler with 3.5 Disk (Paperback)
A good starting point for programmers who crave to make their codes ever so faster. A backgound in C and Assembly is essential for the readers. This book is rewarding and worth the money.
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