Cortex-A72 Technical Reference Manual

By: Wilco (Wilco.Dijkstra.delete@this.ntlworld.com), March 7, 2015 8:26 am
Room: Moderated Discussions
none (none.delete@this.none.com) on March 6, 2015 5:50 am wrote:
> Wilco (Wilco.Dijkstra.delete@this.ntlworld.com) on March 6, 2015 5:04 am wrote:
> [...]
> > Btw while on the topic of benchmarks, you might want to edit your recent article about CoreMark-Pro
> > - the one subtest you claimed is most representative spends almost all of its time (~80%) in one
> > tiny string function. So it's trivial to claim 5x gains with library optimizations...
>
> Funny given that EEMBC AndEBenchPro, which contains CoreMark Pro, seems to be using some
> dedicated Intel libraries, in particular for string handling.

Which functions are in those libraries?

> Are going to find out this is similar to the AnTuTu/icc story?

If the AndEBenchPro executable is built with icc, then that is quite likely. Even if that isn't the case, and they all used the same GCC version with identical options, it looks like there has been some library tuning for x86 that isn't matched on other architectures.

Wilco
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Cortex-A72 Technical Reference ManualRonald Maas2015/03/05 07:01 AM
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                    Cortex-A72 Technical Reference ManualMichael S2015/03/08 03:14 AM
                    Cortex-A72 Technical Reference ManualHugo Décharnes2015/03/08 03:26 AM
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                  Cortex-A72 Technical Reference ManualGabriele Svelto2015/03/08 03:01 AM
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            Cortex-A72 Technical Reference ManualDavid Kanter2015/03/06 11:37 PM
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        Cortex-A72 Technical Reference ManualHugo Décharnes2015/03/06 01:47 AM
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            Cortex-A72 Technical Reference ManualHugo Décharnes2015/03/06 03:02 AM
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            Cortex-A72 Technical Reference ManualRonald Maas2015/03/06 07:11 PM
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  Add two more differences.Jouni Osmala2015/03/05 02:13 PM
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