<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Sequential IDs are important for LNT and llvmlab bisection tool.</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">LNT uses the “order” to capture the measured software changes. LNT does make the assumption that orders are unique, so if a ID was the same on two branches, LNT would assume that is the same change. If you never want to compare data between branches, storing each branch in a different database solves that problem, but sometimes you do want to directly compare runs in two branches.</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">With both llvmlab and LNT, once you get to a range of IDs, it is needs to be easy to find out what commits or commit range those IDs map to. When given regression between 123 and 225, I need the list of commits, and I don’t want to log grep for those numbers. Ideally it should also easy for those tools to link to a revision on a webUI like viewvc. </div> <br> <div id="bloop_sign_1467938236169171968" class="bloop_sign"></div> <br><p class="airmail_on">On July 5, 2016 at 4:04:05 PM, Renato Golin via llvm-foundation (<a href="mailto:llvm-foundation@lists.llvm.org">llvm-foundation@lists.llvm.org</a>) wrote:</p> <blockquote type="cite" class="clean_bq"><span><div><div></div><div>
<title></title>
<p dir="ltr"><br>
On 5 Jul 2016 10:45 p.m., "Mehdi Amini" <<a href="mailto:mehdi.amini@apple.com">mehdi.amini@apple.com</a>>
wrote:<br>
><br>
><br>
> > On Jul 5, 2016, at 3:44 AM, Renato Golin via llvm-dev
<<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>>
wrote:<br>
> ><br>
> > Quick re-cap.<br>
> ><br>
> > After a few rounds, not only the "external server"
proposal got<br>
> > obliterated as totally unnecessary, but the idea that we
may even need<br>
> > a hook at all is now challenged.<br>
><br>
> This is not clear to me.<br>
> How is the umbrella repository updated?</p>
<p dir="ltr">Sorry, I meant no hooks for updating sequential ids.
We still need a hook to update the umbrella project.</p>
<p dir="ltr">Cheers,<br>
Renato</p>
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