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On Fri, Nov 6, 2009 at 15:55, Thorbjoern Ravn Andersen <ravn@xxxxxxxxxx> wrote:
I was at a Java performance talk where it was mentioned that the x86
processors are SO fast these days that hundreds of instructions can be
done in the time it takes to get a single value from memory. ÂEvery
time. ÂHaving more cores does not help this.
Power 6 is still stuck with dual channel DDR2-Memory at 667 Mhz, while
Intel is currently using Triple-Channel DDR3 Memory at 1333 Mhz. Intel
also uses much faster On-Die L3 Cache (currently at 8MB in the
entry-level CPUs). Intel also uses a much more efficient 45nm process
to create their hardware, and the next generation to be launched in Q1
2010 will be in 32nm process.
IBM is planning to release Power 7 in 45nm process somewhen in 2010 -
at a time when Intel will already by bringing out 32nm CPUs.
IBM seriously missed the bus, and is lagging behind more every year.
There's a reason why Apple switched from Power to Intel - Intel is
better.
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