Intel says Android not ready for multiple-core processors
Intel's Mike Bell
Inet says that it wasn't until April 2011 when Android 2.3.4 became available that the OS was really ready to embrace dual-core processors. Before that, you had Android devices shipping with dual-core power that was not being taken advantage of by the OS. Mike Bell, GM of Intel’s Mobile and Communications Group, says that the thread-scheduler on Android is not ready for multiple-core processors and in fact, the multiple-cores are actually a detriment for users. Bell says Intel's testing showed multiple-core processors running at a slower speed than single core. He adds that testing shows that adding a second core leads to current leakage and a low power threshold because of the size of the case. This means that there might not be any advantage to Android users using a multiple-core processor.
"I’ve taken a look at the multiple core implementations in the market, and frankly, in a thermal and/or power constrained environment – what has been implemented – it isn’t obvious to me you really get the advantage for the size and the cost of what’s going into that part. The way it’s implemented right now, Android does not make as effective use of multiple cores as it could, and I think – frankly – some of this work could be done by the vendors who create the SoCs, but they just haven’t bothered to do it.-Mike Bell, GM of Intel’s Mobile and Communications Group
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