|Re: [eigen] CDASH-Speedup: "Homer" how did you do it?|
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Hauke Heibel schrieb:
On Sat, Aug 29, 2009 at 3:37 PM, FMDSPAM<fmdspam@xxxxxxxxx> wrote:
Is it possible to change the compiler settings at the outermost level, the
Probably, but see my comments below.
All my experiments (even with EI_OFLAGS=...) fail.
What do you mean? Are you saying that since my last commit all your
experiments are failing?
No, 2 or 3 experimtes several weeks ago.
A preferable result could be something in the (batch-)lines of e.g.:
what do you think?
I am not sure whether this is necessary. O2 should definitely suffice.
Hmm..., probably. But in theory maybe other flags...
Btw, my test could also be so fast because quite a few are actually
That is not the case. E.g.:
product_large.exe: yours 5.25s, my 52.73s
product_trmm.exe: yours 24.76s, my 163.86s
By the way: The timings could vary simply caused by the random numbers,
right? Or is there a fixed random seed?
What is the expected bandwidth of variation by this?