Software Impact Grows

By Ed Sperling As the number of processors and processor cores increase in SoC, so does the amount of software. But unlike hardware, which grows linearly, software frequently grows exponentially. The great advantage of software is configurability—both before and after tapeout—yet it adds many more possible permutations and interactions that need to be worked out. And unlike the old PC m... » read more

Blurring The Lines At The OS Level

By Ed Sperling Picking an operating system—or choosing not to use an operating system—is becoming as complex a decision as choosing which IP to use in an SoC. Even decisions that sound straightforward may have ramifications on the total system power budget or performance, requiring them to be an integral part of the overall architectural process. But the choice of operating systems, as ... » read more