Efficient C code for ARM devices

Chris Shore, ARM
EETimes (11/3/2010 3:57 PM EDT)

Our industry moves incredibly quickly. The hot topic last year is very rarely so important this year – either we will have solved it or some other issue will have risen to even greater prominence. The issue of efficiency, however, has been a relatively constant theme through my time in the industry, now some 24 years but efficiency has had many faces over that time.

In the early days, I can recall developing local area networking software on small 8-bit microcontrollers where RAM was the scarce resource. We worked long and hard to come up with cleverer and cleverer ways of storing, compressing, reusing and encoding our necessary data structures to make them fit.

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