Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-23 Thread Kevin Kofler
Aleksandra Fedorova wrote: > Hi, Chris, > > On Fri, Jan 10, 2020 at 4:29 PM Chris Adams wrote: >> >> Once upon a time, Aleksandra Fedorova said: >> > Similarly to what Josh said, we want to setup an environment for >> > experiments. It doesn't mean that things we experiment on are going to >>

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-16 Thread Kevin Fenzi
On Thu, Jan 16, 2020 at 02:09:45PM +0100, Aleksandra Fedorova wrote: > > While on one hand we don't need a long-term storage for development > builds, on the other: it is quite valuable to be able to compare the > latest successful build with some previous ones to see if we actually > improve

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-16 Thread Justin Forbes
On Thu, Jan 16, 2020 at 7:46 AM Neal Gompa wrote: > > On Thu, Jan 16, 2020 at 8:43 AM Justin Forbes wrote: > > > > On Thu, Jan 16, 2020 at 7:11 AM Neal Gompa wrote: > > > > > > On Thu, Jan 16, 2020 at 8:01 AM Aleksandra Fedorova > > > wrote: > > > > > > > > Hi, Chris, > > > > > > > > On Fri,

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-16 Thread Neal Gompa
On Thu, Jan 16, 2020 at 8:43 AM Justin Forbes wrote: > > On Thu, Jan 16, 2020 at 7:11 AM Neal Gompa wrote: > > > > On Thu, Jan 16, 2020 at 8:01 AM Aleksandra Fedorova > > wrote: > > > > > > Hi, Chris, > > > > > > On Fri, Jan 10, 2020 at 4:29 PM Chris Adams wrote: > > > > > > > > Once upon a

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-16 Thread Justin Forbes
On Thu, Jan 16, 2020 at 7:11 AM Neal Gompa wrote: > > On Thu, Jan 16, 2020 at 8:01 AM Aleksandra Fedorova > wrote: > > > > Hi, Chris, > > > > On Fri, Jan 10, 2020 at 4:29 PM Chris Adams wrote: > > > > > > Once upon a time, Aleksandra Fedorova said: > > > > Similarly to what Josh said, we want

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-16 Thread Neal Gompa
On Thu, Jan 16, 2020 at 8:01 AM Aleksandra Fedorova wrote: > > Hi, Chris, > > On Fri, Jan 10, 2020 at 4:29 PM Chris Adams wrote: > > > > Once upon a time, Aleksandra Fedorova said: > > > Similarly to what Josh said, we want to setup an environment for > > > experiments. > > > It doesn't mean

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-16 Thread Aleksandra Fedorova
On Mon, Jan 13, 2020 at 5:18 PM Kevin Fenzi wrote: > > On Mon, Jan 13, 2020 at 10:52:32AM +0100, Florian Weimer wrote: > > * Kevin Fenzi: > > > > > Can packages built in this buildroot be used on the same system with > > > packages from the normal buildroot? > > > > Yes, I expect them to be

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-16 Thread Aleksandra Fedorova
Hi, Chris, On Fri, Jan 10, 2020 at 4:29 PM Chris Adams wrote: > > Once upon a time, Aleksandra Fedorova said: > > Similarly to what Josh said, we want to setup an environment for > > experiments. > > It doesn't mean that things we experiment on are going to be merged in > > Fedora. And it

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-15 Thread John M. Harris Jr
On Friday, January 10, 2020 6:37:11 AM MST Chris Adams wrote: > AVX2 is not a reasonable requirement as a replacement for the current > Fedora x86_64, as there are CPUs still being made today that don't > support that. Relevant lines from /proc/cpuinfo flags : fpu vme de pse tsc msr

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-15 Thread John M. Harris Jr
On Friday, January 10, 2020 8:09:18 AM MST Aleksandra Fedorova wrote: > We are not proposing the new architecture. We are proposing a "staging > environment" for the current architecture. Which can be used for > experiments which currently can not be performed without disrupting > the release and

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-14 Thread Tom Seewald
I have some concerns about this proposal. Given that this change was essentially unanimously rejected, this line stood out to me: > * As soon as feature is accepted by the community, there will be a > smooth process to update baseline in the main Fedora, as all packages > will be already

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-14 Thread Matthew Miller
On Fri, Jan 10, 2020 at 04:09:18PM +0100, Aleksandra Fedorova wrote: > Based on the impact described above, I wouldn't consider the change > system-wide. > > But I think we touch an interesting topic here: It seems our > definition of Change is quite limited and focused on packaged changes. >

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-13 Thread Adam Jackson
On Mon, 2020-01-13 at 10:52 +0100, Florian Weimer wrote: > * Kevin Fenzi: > > > Can packages built in this buildroot be used on the same system with > > packages from the normal buildroot? > > Yes, I expect them to be compatible at the interface level because the > flags do not directly alter

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-13 Thread Kevin Fenzi
On Mon, Jan 13, 2020 at 10:52:32AM +0100, Florian Weimer wrote: > * Kevin Fenzi: > > > Can packages built in this buildroot be used on the same system with > > packages from the normal buildroot? > > Yes, I expect them to be compatible at the interface level because the > flags do not directly

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-13 Thread Florian Weimer
* Kevin Fenzi: > Can packages built in this buildroot be used on the same system with > packages from the normal buildroot? Yes, I expect them to be compatible at the interface level because the flags do not directly alter calling conventions. There could be a slowdown mixing package versions,

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Kevin Fenzi
On Thu, Jan 09, 2020 at 12:16:17PM -0500, Ben Cotton wrote: > https://fedoraproject.org/wiki/Changes/Additional_buildroot_to_test_x86-64_micro-architecture_update > > == Summary == > > Create a dedicated buildroot to test packages built with x86-64 > micro-architecture update. So, a few

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Adam Jackson
On Fri, 2020-01-10 at 11:05 +0100, Florian Weimer wrote: > * Neal Gompa: > > > On Fri, Jan 10, 2020 at 4:28 AM Florian Weimer wrote: > > > We do not want to change the RPM architecture, so that users still can > > > install third-party software. This means that we need to change the > > > dist

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Chris Adams
Once upon a time, Aleksandra Fedorova said: > Similarly to what Josh said, we want to setup an environment for experiments. > It doesn't mean that things we experiment on are going to be merged in > Fedora. And it definitely doesn't mean that whatever we did in the > experimental environment can

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Aleksandra Fedorova
On Fri, Jan 10, 2020 at 3:56 PM Chris Adams wrote: > > Once upon a time, Aleksandra Fedorova said: > > No. Afaik, the main reason the change was rejected is that we are not > > ready yet (or don't see yet the reason) for the update of the > > architecture. And the benefit of such an update is

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Aleksandra Fedorova
On Fri, Jan 10, 2020 at 3:56 PM Chris Adams wrote: > > Once upon a time, Aleksandra Fedorova said: > > No. Afaik, the main reason the change was rejected is that we are not > > ready yet (or don't see yet the reason) for the update of the > > architecture. And the benefit of such an update is

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Aleksandra Fedorova
On Fri, Jan 10, 2020 at 9:16 AM Zbigniew Jędrzejewski-Szmek wrote: > > On Thu, Jan 09, 2020 at 05:23:16PM -0500, Ben Cotton wrote: > > On Thu, Jan 9, 2020 at 5:03 PM Zbigniew Jędrzejewski-Szmek > > wrote: > > > > > > 4. This certainly needs to be a "system wide change" with the related > > >

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Chris Adams
Once upon a time, Josh Boyer said: > As an experiment. To see if it actually has real, tangible benefit. I guess my biggest issue with it is the proposal does nothing to address the harm of the original proposal (namely, that Fedora would no longer support some brand-new hardware). To me, it

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Josh Boyer
On Fri, Jan 10, 2020 at 9:13 AM Chris Adams wrote: > > Once upon a time, Josh Boyer said: > > I don't believe that is fair or even true. The premise of the new > > change is to allow alternative experimentation within Fedora proper > > without impacting the mainline distribution. There is no

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Chris Adams
Once upon a time, Aleksandra Fedorova said: > No. Afaik, the main reason the change was rejected is that we are not > ready yet (or don't see yet the reason) for the update of the > architecture. And the benefit of such an update is unclear. I disagree that that was the reason - the fact that

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Aleksandra Fedorova
Hi, Chris, On Fri, Jan 10, 2020 at 2:37 PM Chris Adams wrote: > > Once upon a time, Aleksandra Fedorova said: > > The rejected change > > https://fedoraproject.org/wiki/Changes/x86-64_micro-architecture_update > > is explicitly referenced from the current one. So yes, it is the > > architecture

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Chris Adams
Once upon a time, Josh Boyer said: > I don't believe that is fair or even true. The premise of the new > change is to allow alternative experimentation within Fedora proper > without impacting the mainline distribution. There is no assumption > that the results will magically replace Fedora in

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Josh Boyer
On Fri, Jan 10, 2020 at 8:37 AM Chris Adams wrote: > > Once upon a time, Aleksandra Fedorova said: > > The rejected change > > https://fedoraproject.org/wiki/Changes/x86-64_micro-architecture_update > > is explicitly referenced from the current one. So yes, it is the > > architecture update we

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Chris Adams
Once upon a time, Aleksandra Fedorova said: > The rejected change > https://fedoraproject.org/wiki/Changes/x86-64_micro-architecture_update > is explicitly referenced from the current one. So yes, it is the > architecture update we are looking for. > > And I would suggest to avoid calling things

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Neal Gompa
On Fri, Jan 10, 2020 at 5:05 AM Florian Weimer wrote: > > * Neal Gompa: > > > On Fri, Jan 10, 2020 at 4:28 AM Florian Weimer wrote: > >> > >> We do not want to change the RPM architecture, so that users still can > >> install third-party software. This means that we need to change the > >> dist

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Florian Weimer
* Neal Gompa: > On Fri, Jan 10, 2020 at 4:28 AM Florian Weimer wrote: >> >> We do not want to change the RPM architecture, so that users still can >> install third-party software. This means that we need to change the >> dist tag to avoid confusion. >> > > Changing the RPM architecture does not

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Neal Gompa
On Fri, Jan 10, 2020 at 4:28 AM Florian Weimer wrote: > > We do not want to change the RPM architecture, so that users still can > install third-party software. This means that we need to change the > dist tag to avoid confusion. > Changing the RPM architecture does not necessarily mean that

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Nicolas Chauvet
Le ven. 10 janv. 2020 à 10:29, Florian Weimer a écrit : > > * Neal Gompa: > > > 1. Our builder resources are squeezed enough as it is. In doing this, > > are we going to get more machines so that we can have more builders? > > Between modules and this, I worry our resources will get squeezed far

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Florian Weimer
* Neal Gompa: > 1. Our builder resources are squeezed enough as it is. In doing this, > are we going to get more machines so that we can have more builders? > Between modules and this, I worry our resources will get squeezed far > too tightly for my comfort. Please send me the required hardware

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Aleksandra Fedorova
Hi, Neal, On Thu, Jan 9, 2020 at 10:01 PM Neal Gompa wrote: > > On Thu, Jan 9, 2020 at 12:17 PM Ben Cotton wrote: > > > > https://fedoraproject.org/wiki/Changes/Additional_buildroot_to_test_x86-64_micro-architecture_update > > > > == Summary == > > > > Create a dedicated buildroot to test

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-10 Thread Zbigniew Jędrzejewski-Szmek
On Thu, Jan 09, 2020 at 05:23:16PM -0500, Ben Cotton wrote: > On Thu, Jan 9, 2020 at 5:03 PM Zbigniew Jędrzejewski-Szmek > wrote: > > > > 4. This certainly needs to be a "system wide change" with the related > >additional info required for such changes. We certainly need releng > >to sign

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-09 Thread Jerry James
On Thu, Jan 9, 2020 at 3:03 PM Zbigniew Jędrzejewski-Szmek wrote: > Those are all good points. To add more: > > 4. This certainly needs to be a "system wide change" with the related >additional info required for such changes. We certainly need releng >to sign off on this. > > 5.

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-09 Thread Ben Cotton
On Thu, Jan 9, 2020 at 5:03 PM Zbigniew Jędrzejewski-Szmek wrote: > > 4. This certainly needs to be a "system wide change" with the related >additional info required for such changes. We certainly need releng >to sign off on this. > Apart from potential capacity impacts, this seems

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-09 Thread Zbigniew Jędrzejewski-Szmek
On Thu, Jan 09, 2020 at 03:59:41PM -0500, Neal Gompa wrote: > On Thu, Jan 9, 2020 at 12:17 PM Ben Cotton wrote: > > > > https://fedoraproject.org/wiki/Changes/Additional_buildroot_to_test_x86-64_micro-architecture_update > > > > == Summary == > > > > Create a dedicated buildroot to test packages

Re: Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-09 Thread Neal Gompa
On Thu, Jan 9, 2020 at 12:17 PM Ben Cotton wrote: > > https://fedoraproject.org/wiki/Changes/Additional_buildroot_to_test_x86-64_micro-architecture_update > > == Summary == > > Create a dedicated buildroot to test packages built with x86-64 > micro-architecture update. > > == Owner == > > * Name:

Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-09 Thread Ben Cotton
https://fedoraproject.org/wiki/Changes/Additional_buildroot_to_test_x86-64_micro-architecture_update == Summary == Create a dedicated buildroot to test packages built with x86-64 micro-architecture update. == Owner == * Name: [[User:bookwar| Aleksandra Fedorova]] * Email:

Fedora 32 Self-Contained Change proposal: Additional buildroot to test x86-64 micro-architecture update

2020-01-09 Thread Ben Cotton
https://fedoraproject.org/wiki/Changes/Additional_buildroot_to_test_x86-64_micro-architecture_update == Summary == Create a dedicated buildroot to test packages built with x86-64 micro-architecture update. == Owner == * Name: [[User:bookwar| Aleksandra Fedorova]] * Email: