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  1. This is a truly welcome adition to the suite...

    I will mess around with some hpccinf settings to see if I can increase the performance of my boxen... but it looks spot on so far...
  2. I have been having some problems with certain...

    I have been having some problems with certain benchies on this architecture myself... still trying to track down the source of the problems... postmark runs for hours and compile-bench fills up my...
  3. We ended up going with local SD card. We had some...

    We ended up going with local SD card. We had some early success with
    http://pandaboard.org/content/usb-downloader-and-usb-second-stage-bootloader-omap4
    but then discovered that it wouldn't work...
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    I have some more benchmarks here... the suite...

    I have some more benchmarks here... the suite keeps crashing at compile bench for some reason... will have to look at that...

    openbenchmarking.org/result/1208245-AR-1208223AR23
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    Sweet. 11W normal with spikes to 12W... and that...

    Sweet. 11W normal with spikes to 12W... and that is in my hypercooled mineral oil bath to be safe (seriously, I'll take a picture). Next test will be to fully engage the rest of the board and...
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    I will try this out... see if I can find the true...

    I will try this out... see if I can find the true peak power. I have some more benchmarks at
    http://openbenchmarking.org/result/1208231-AR-1208150AR20
    comparing a dual-core Exynos (Soft-float) to...
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    SS, were you running your OMAP4430 off of USB /...

    SS, were you running your OMAP4430 off of USB / OTG power on your original cpuburn test? I have heard that you can run current a bit above spec on the original Pandaboard (but not the 4460 ES)....
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    I believe that is the case... also, it does not...

    I believe that is the case... also, it does not look like it is posting the architecture info (and dmesg etc) to the OB systems directory. Will see if I can diagnose that as well on another benchmark...
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    The most recent (Aug 17) distro is Linaro Precise...

    The most recent (Aug 17) distro is Linaro Precise 12.08 with your typical USB driver offerings... thus...

    root@linaro-ubuntu-desktop:~# more /sys/bus/usb/devices/usb1/product
    S5P EHCI Host...
  10. Fair enough...

    OK, we will put some of that comparison data together... probably over this coming weekend. We have tried a lot of experiments with outdoor supercomputing so we should be able to drum that data up. ...
  11. Additional details on Panda Cluster

    We will try to get the specs up on the web. Meanwhile, here are the basics (I am one of the guys who worked on it).

    We started with Chris Tyler's excellent HOWTO... ...
  12. OMAP4 vs. Tegra 3

    Dual core vs. Quad core... it is interesting to see what the Panda excels at...

    http://openbenchmarking.org/result/1204041-BY-1203233BY00

    Note that I segfaulted on 15 of the codes, mostly the...
  13. Yup... time to take a deep look at how these codes are implemented...

    Every time I recompile I get a 10% performance bump on most benches...

    http://openbenchmarking.org/result/1203243-BY-1202157BY98

    My EA3, with it's 4430, beats or ties the best ES score...
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    Needs more analysis...

    we ran our Panda against this benchmark... differences from the reference Panda was PTS 3.8, GCC 4.7, and kernel ver 1409...

    http://openbenchmarking.org/result/1203212-BY-1203160BY54

    so the...
  15. Haven't looked at the sources yet...

    but the performance would lead me to believe NEON is in use... these are extraordinarily good numbers...

    I just reran the suite ... the biggest change is that I used the latest benchmarks... PTS...
  16. We have done a lot of benchmarks that are more...

    We have done a lot of benchmarks that are more HPC-centric than the Phoronix suite; HPC Challenge and HPEC Challenge mostly... see http://meegs.mit.edu/HPEC11.pdf for some results...

    This is...
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    NEON should substantially increase performance on these benches

    Without knowing the details of the test suite (which indeed is a serious disadvantage), I would have to surmise that NEON wasn't enabled in the build. It's a real PITA to get NEON support but a real...
  18. We added our board to this test......

    We added our board to this test... http://openbenchmarking.org/result/1202157-BY-1201286BY42. It was an original Panda (EA3) with a similar hardfp build from the first week of February. While some of...
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