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2012 May 14
0
[LLVMdev] SIV tests in LoopDependence Analysis, Sanjoy's patch
...ing any other
> consumer, writes out metadata?
I don't know what's best. Probably different uses merit different mechanisms.
At Tera, we did regression tests by using command-line flags to
provoke particular passes to dump so-called signature information to
stderr. For example, -trace:PAR_SIG would cause the parallelizer to
dump out a condensed account of what it did for each loop nest.
Similarly, -trace:LS_SIG would cause the loop scheduler (i.e.,
software pipeliner) to dump a summary for each inner loop. As part of
each night's tests, we'd compare the signatures against standa...
2012 May 14
2
[LLVMdev] SIV tests in LoopDependence Analysis, Sanjoy's patch
On Mon, 14 May 2012 13:54:19 -0700
Preston Briggs <preston.briggs at gmail.com> wrote:
> On Mon, May 14, 2012 at 1:30 PM, Hal Finkel <hfinkel at anl.gov> wrote:
>
> > Can you explain this comment:
> > > With minor algebra, this test can also be used for things like
> > > [c1 + a1*i + a2*j][c2].
>
> It's really too simple to deserve mention...