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How to Benchmark a Processor

How to Benchmark a Processor
by Paul McLellan on 08-15-2013 at 2:11 am

How do you benchmark a processor? It seems like it should be easy, just run some code and see how fast it is. Traditionally processors were indeed benchmarked by raw performance like GMACS, GFLOPS, memory bandwidth and so on. But in today’s world where systems have become very complex and applications very compute intensive, the… Read More


Debugging Verification Constraints

Debugging Verification Constraints
by Paul McLellan on 07-23-2013 at 3:44 pm

In his DAC keynote last year (2012) Mike Mueller of ARM compared how much CPU was required to verify the first ARM versus one of the latest ARM Cortex CPUs. Of course the newer CPU is hundreds of times larger than the first ARM but the amount of verification required was millions of times as much, requiring ARM to construct their own datacenter… Read More


CEVA and ARM Do LTE

CEVA and ARM Do LTE
by Paul McLellan on 07-19-2013 at 8:23 pm

If you have purchased a high-end cell-phone or tablet in the last couple of years it probably has LTE, although some carriers try and blur things by showing a symbol like 4G when you are in an area that has LTE despite the fact that your phone does not support it. Don’t you love cell-phone marketing? Talking of which, if a camel … Read More


Qualcomm Video Friday

Qualcomm Video Friday
by Paul McLellan on 07-19-2013 at 11:30 am

Two videos (both short) from Qualcomm. They are both amusing but also have a serious aspect to them. The first one is interesting since it is Qualcomm following in Intel’s footsteps with its “Intel Inside” campaign against AMD to make people care about what processor was in their PC. Until that point probably… Read More


Intel Benchmark Hoax!

Intel Benchmark Hoax!
by Daniel Nenni on 07-14-2013 at 7:00 pm

To be fair, cheating on CPU benchmarks is not new, so if you haven’t followed the computer industry for the past 30 years you might be surprised by Intel cheating, but I’m certainly not. Back in the day I worked for Data General and we “creatively” benchmarked against the Digital Equipment VAX all day long. There are different types… Read More


A Call to ARMs!

A Call to ARMs!
by Daniel Nenni on 06-12-2013 at 7:00 pm

It sure has been an interesting experience watching Intel enter the semiconductor foundry business! While I credit Intel for increasing the exposure of the fabless semiconductor ecosystem to the financial markets, the attention from the Intel biased press is a bit overwhelming. The TSMC and ARM bashing is reaching new levels… Read More


ARM Update at DAC

ARM Update at DAC
by Daniel Payne on 06-10-2013 at 7:09 pm

John Heinleinfrom ARM briefed me at DAC exactly one week ago. I love to use my mobile devices (MacBook Pro, iPad and Samsung Galaxy Note II) every day, and many mobile devices are ARM-powered because of the low power consumption, and pervasive eco-system around the architecture. Apple with the MacBook Pro is still Intel-powered,… Read More


ARM: AMBA 5, Cortex-A12, Mali, video, POP…

ARM: AMBA 5, Cortex-A12, Mali, video, POP…
by Paul McLellan on 06-06-2013 at 4:39 pm

ARM announced several new products at DAC in a number of different spaces. In addition I got invited to a briefing with Simon Segars, 30 days from when he takes over as CEO of ARM. I asked Simon if he expected to make any major changes and he basically said ‘no’. ARM’s basic strategy in both mobile and now enterprise… Read More


ARM @ #50DAC

ARM @ #50DAC
by Daniel Nenni on 05-31-2013 at 10:00 pm

The 2013 Design Automation Conference celebrates its 50th anniversary Sunday, June 2 through Thursday, June 6 at the Austin Convention Center. DAC is the world’s leading technical conference and trade show on electronic design and design automation. DAC is where the IC Design and EDA ecosystem learns, networks, and does… Read More


ARM Partners with Carbon on Cortex-A57

ARM Partners with Carbon on Cortex-A57
by Paul McLellan on 05-31-2013 at 3:37 pm

Just in time for DAC, Carbon have announced that they have expanded their partnership with ARM to create and deliver models for the ARM Cortex-A57 processor and related IP. One piece of related IP is the Cortex-A53 which can be configured in big.LITTLE multi-core setups to achieve the sweet spot of higher performance and lower power.… Read More