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On Fri, Apr 24, 2015 at 12:29 PM, Diego Novillo <dnovillo at google.com> wrote: > > > On Fri, Apr 24, 2015 at 3:28 PM, Xinliang David Li <davidxl at google.com> > wrote: >> >> yes -- for count representation, 64 bit is needed. The branch weight >> here is different and does not needs to be 64bit to represent branch >> probability precisely. > > > Actually, the branch weights are really counts. No -- I...

On Mon, Apr 18, 2016 at 3:45 PM Xinliang David Li <davidxl at google.com> wrote: > On Mon, Apr 18, 2016 at 3:00 PM, Chandler Carruth <chandlerc at gmail.com> > wrote: > >> On Mon, Apr 18, 2016 at 2:48 PM Hal Finkel <hfinkel at anl.gov> wrote: >> >>> >>> >>> ------------------------------ >&...

On Fri, Sep 2, 2016 at 3:30 PM, Xinliang David Li <davidxl at google.com> wrote: > On Fri, Sep 2, 2016 at 3:16 PM, Piotr Padlewski > <piotr.padlewski at gmail.com> wrote: > > > > > > 2016-09-02 15:04 GMT-07:00 Xinliang David Li <davidxl at google.com>: > >> > >> On Fri, Sep 2, 2016 at 2:58 PM, Piotr...

On Wed, Jun 24, 2015 at 2:52 PM, Robinson, Paul <Paul_Robinson at playstation.sony.com> wrote: > > >> -----Original Message----- >> From: Xinliang David Li [mailto:davidxl at google.com] >> Sent: Wednesday, June 24, 2015 2:50 PM >> To: Robinson, Paul >> Cc: Easwaran Raman; Xinliang David Li; <llvmdev at cs.uiuc.edu> List >> Subject: Re: [LLVMdev] Inline hint for methods defined in-class >> >> Sorry for misinterpreting, but wh...

...lvm-dev" <llvm-dev at lists.llvm.org> >> >> Cc: "Chandler Carruth" <chandlerc at gmail.com>, "Hal Finkel" < >> hfinkel at anl.gov>, "Philip Reames" >> >> <listmail at philipreames.com>, "David Li" <davidxl at google.com> >> >> Sent: Monday, April 18, 2016 2:39:49 PM >> >> Subject: Move InlineCost.cpp out of Analysis? >> >> >> >> >> >> Hi, >> >> >> >> >> >> After r256521 - which removes InlineCostAnalysi...

2016-09-02 15:04 GMT-07:00 Xinliang David Li <davidxl at google.com>: > On Fri, Sep 2, 2016 at 2:58 PM, Piotr Padlewski > <piotr.padlewski at gmail.com> wrote: > > Hi, > > I am working right now on importing based on PGO/FDO data. There is one > > issue that I found - when we calculate the list of imports, we can'...

...t; On Apr 7, 2016, at 12:39 PM, Peter Collingbourne <peter at pcc.me.uk> wrote: > > > > On Thu, Apr 7, 2016 at 12:29 PM, Mehdi Amini <mehdi.amini at apple.com <mailto:mehdi.amini at apple.com>> wrote: > >> On Apr 7, 2016, at 11:59 AM, Xinliang David Li <davidxl at google.com <mailto:davidxl at google.com>> wrote: >> >> >> >> On Thu, Apr 7, 2016 at 11:26 AM, Mehdi Amini <mehdi.amini at apple.com <mailto:mehdi.amini at apple.com>> wrote: >> >>> On Apr 7, 2016, at 10:58 AM, Xinliang David Li &lt...

...- > From: "Chandler Carruth" <chandlerc at gmail.com> > To: "Hal Finkel" <hfinkel at anl.gov> > Cc: "Mehdi Amini" <mehdi.amini at apple.com>, "via llvm-dev" > <llvm-dev at lists.llvm.org>, "Xinliang David Li" <davidxl at google.com> > Sent: Monday, April 18, 2016 4:54:36 PM > Subject: Re: [llvm-dev] Move InlineCost.cpp out of Analysis? > On Mon, Apr 18, 2016 at 2:46 PM Hal Finkel < hfinkel at anl.gov > wrote: > > > From: "Chandler Carruth" < chandlerc at gmail.com > &...

----- Original Message ----- > From: "Chandler Carruth" <chandlerc at gmail.com> > To: "Xinliang David Li" <davidxl at google.com> > Cc: "Mehdi Amini" <mehdi.amini at apple.com>, "Hal Finkel" > <hfinkel at anl.gov>, "via llvm-dev" <llvm-dev at lists.llvm.org> > Sent: Monday, April 18, 2016 4:31:05 PM > Subject: Re: [llvm-dev] Move InlineCost.cpp out...

> On Apr 7, 2016, at 11:59 AM, Xinliang David Li <davidxl at google.com> wrote: > > > > On Thu, Apr 7, 2016 at 11:26 AM, Mehdi Amini <mehdi.amini at apple.com <mailto:mehdi.amini at apple.com>> wrote: > >> On Apr 7, 2016, at 10:58 AM, Xinliang David Li <davidxl at google.com <mailto:davidxl at google.com>&g...

...nteresting if the constant load I hoisted so that it isn't adjacent to other is_stmt=1 instructions on the same line. /Björn From: llvm-dev <llvm-dev-bounces at lists.llvm.org> On Behalf Of via llvm-dev Sent: den 21 juni 2018 15:08 To: mbraun at apple.com Cc: llvm-dev at lists.llvm.org; davidxl at google.com; jbogner at apple.com Subject: Re: [llvm-dev] [RFC] Removing debug locations from ConstantSDNodes mbraun at apple.com<mailto:mbraun at apple.com> wrote: FWIW: Debug information on constants feels odd to me. They are just values not something that is executed so conceptually I...

On Mon, Apr 18, 2016 at 2:33 PM, Mehdi Amini <mehdi.amini at apple.com> wrote: > > On Apr 18, 2016, at 2:28 PM, Xinliang David Li <davidxl at google.com> wrote: > > > > On Mon, Apr 18, 2016 at 2:18 PM, Chandler Carruth <chandlerc at gmail.com> > wrote: > >> The difference between Analysis and Transforms is *not* about passes, but >> about what the code *does*. >> >> Code for mutating...

yes -- for count representation, 64 bit is needed. The branch weight here is different and does not needs to be 64bit to represent branch probability precisely. David On Fri, Apr 24, 2015 at 12:21 PM, Smith, Kevin B <kevin.b.smith at intel.com> wrote: > FWIW. Intel compiler's profile instrumentation uses 64 bit integer counters. > We wrestled with similar problems for a long

On Mon, Apr 18, 2016 at 2:48 PM Hal Finkel <hfinkel at anl.gov> wrote: > > > ------------------------------ > > *From: *"Xinliang David Li" <davidxl at google.com> > > On Mon, Apr 18, 2016 at 2:33 PM, Mehdi Amini <mehdi.amini at apple.com> > wrote: >> >> In the current case at stake: the issue is that we can't make the >> Analysis library using anything from the ProfileData library. Conceptually >>...

----- Original Message ----- > From: "Xinliang David Li" <davidxl at google.com> > To: "Chandler Carruth" <chandlerc at gmail.com> > Cc: "Hal Finkel" <hfinkel at anl.gov>, "via llvm-dev" > <llvm-dev at lists.llvm.org>, "Mehdi Amini" <mehdi.amini at apple.com> > Sent: Monday, April 18,...

...gt; >> To: "via llvm-dev" <llvm-dev at lists.llvm.org> >> Cc: "Chandler Carruth" <chandlerc at gmail.com>, "Hal Finkel" <hfinkel at anl.gov>, "Philip Reames" >> <listmail at philipreames.com>, "David Li" <davidxl at google.com> >> Sent: Monday, April 18, 2016 2:39:49 PM >> Subject: Move InlineCost.cpp out of Analysis? >> >> >> Hi, >> >> >> After r256521 - which removes InlineCostAnalysis class - I think >> there is no strong reason for InlineCost....

> On Mar 24, 2015, at 12:08 PM, Xinliang David Li <davidxl at google.com> wrote: > > On Tue, Mar 24, 2015 at 10:54 AM, Bob Wilson <bob.wilson at apple.com> wrote: >> >>> On Mar 24, 2015, at 10:53 AM, Diego Novillo <dnovillo at google.com> wrote: >>> >>> On Tue, Mar 24, 2015 at 1:48 PM, Bob Wilson &lt...

On Tue, Jul 12, 2016 at 11:34 PM, Sean Silva <chisophugis at gmail.com> wrote: > > > On Tue, Jul 12, 2016 at 11:32 PM, Xinliang David Li <davidxl at google.com> > wrote: > >> >> >> On Tue, Jul 12, 2016 at 10:57 PM, Chandler Carruth <chandlerc at gmail.com> >> wrote: >> >>> Yea, this is a nasty problem. >>> >>> One important thing to understand is that this is specific to...

Sorry for misinterpreting, but what is the basis for the simple fact you mentioned? David On Wed, Jun 24, 2015 at 2:43 PM, Robinson, Paul <Paul_Robinson at playstation.sony.com> wrote: >> -----Original Message----- >> From: Xinliang David Li [mailto:davidxl at google.com] >> Sent: Wednesday, June 24, 2015 2:17 PM >> To: Robinson, Paul >> Cc: Easwaran Raman; Xinliang David Li; <llvmdev at cs.uiuc.edu> List >> Subject: Re: [LLVMdev] Inline hint for methods defined in-class >> >> On Wed, Jun 24, 2015 at 2:10 PM,...

...bout reclassifying block hotness. yes -- this is more of a problem for Sample based FDO because the samples are collected after such transformations. We have a paper discussing that (to appear cgo2016). thanks, Dvaid > > > -----Original Message----- > From: Xinliang David Li [mailto:davidxl at google.com] > Sent: Wednesday, December 16, 2015 9:47 PM > To: Andy Ayers <andya at microsoft.com> > Cc: Easwaran Raman <eraman at google.com>; llvm-dev at lists.llvm.org > Subject: Re: [llvm-dev] RFC: Hotness thresholds in profile header > > On Wed, Dec 16, 2015 at...