search for: presuambl

Displaying 6 results from an estimated 6 matches for "presuambl".

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2017 May 22
2
Optimizing diamond pattern in DAGCombine
Explicitly re-adding a node to be processed doesn't work, because the processing order is canonical. 2017-05-22 11:39 GMT-07:00 Nirav Davé <niravd at google.com>: > You can always explicitly add D to the worklist when you make the > transformation with AddToWorklist. Presuambly this was the cause for your > infinite loop. > > -Nirav > > > On Mon, May 22, 2017 at 2:07 PM, Amaury SECHET <deadalnix at gmail.com> > wrote: > >> The root problem is that, when A gets modified, D doesn't get added back >> to the worklist. I could mat...
2017 May 22
2
Optimizing diamond pattern in DAGCombine
The root problem is that, when A gets modified, D doesn't get added back to the worklist. I could match the pattern on A, but the problem remains: when D gets modified, A do not get added back tot he worklist. I also considered ding several round of DAGCombine, but it is very easy to run into infinite loops, even with a fair amount of sanity checks. 2017-05-22 7:30 GMT-07:00 Nirav Davé
2004 Mar 19
2
Why is rpart() so slow?
I've had rpart running on a problem now for a couple of *days*, but I'd expect a decision tree builder to run in minutes if not seconds. Why is rpart slow? Is there anything I can do to make it quicker?
2008 Dec 02
8
[Question] How to support page offline in Xen environment
Hi, all Page offline can be used by many purpose, like memory offline, memory power management, proactive action when multiple CE error happen to one page etc. In virtualization environment without guest offline support, we think offline a page usually means replace the old page with a new one transparently to guest. Currently we are trying to add page offline support in Xen environment .
2007 Apr 05
7
Problems using GFS2 and clustered dovecot
I am trying to use dovecot. I've got a GFS2 shared volume on two servers with dovecot running on both. On one server at a time, it works. The test I am trying is to attach two mail programs (MUA) via IMAPS (Thunderbird and Evolution as it happens). I've attached one mail program to each IMAPS server. I am trying to move emails around in one program (from folder to folder), and then
2012 Dec 10
26
[PATCH 00/11] Add virtual EPT support Xen.
From: Zhang Xiantao <xiantao.zhang@intel.com> With virtual EPT support, L1 hyerpvisor can use EPT hardware for L2 guest''s memory virtualization. In this way, L2 guest''s performance can be improved sharply. According to our testing, some benchmarks can show > 5x performance gain. Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com> Zhang Xiantao (11):