search for: awz

...l time equivalence finding. > While it would be fun to play with such algorithms, they are often > not practical. > The one i saw some hope for was > http://link.springer.com/chapter/10.1007%2F978-3-540-76637-7_22 > I haven't had a chance to play with it. If I recall correctly, AWZ will get this too (https://courses.cs.washington.edu/courses/cse501/04wi/papers/alpern-popl88.pdf). AWZ is a Hopcroft-partitioning-based algorithm, and Hopcroft partitioning is O(n*log(n)). -Hal > _______________________________________________ > LLVM Developers mailing list > llvm-dev...

> The GVN on the newgvn branch i have will remove these, and is more complicated > The one i have implemented unifies AWZ and hash based and will also do predication/value inference. This is exciting news. It sounds like it will find a lot of the interesting cases. > Note that we don't do full-on polynomial time equivalence finding. While it would be fun to play with such algorithms, they are often not pract...

Hello, I was hoping to get some clarification on the aim of the GVN pass. I have been reading a bit about global value numbering, and from what I understand, there are polynomial time algorithms for removing duplicate computations from loops[1]. I have an example program[2] which computes the sum of an array twice, in two separate accumulators. Here, sum0 and sum1 are both sums of the array A.

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rails plugin install https://github.com/delynn/userstamp.git /usr/lib/ruby/gems/1.8/gems/railties-3.1.0.rc4/lib/rails/commands/ plugin.rb:277: Commands is not a module (TypeError) from /usr/lib/ruby/gems/1.8/gems/activesupport-3.1.0.rc4/lib/ active_support/dependencies.rb:237:in `require'' from /usr/lib/ruby/gems/1.8/gems/activesupport-3.1.0.rc4/lib/ active_support/dependencies.rb:237:in

Hello list. I'm trying to rebuild the 2.6.9.67.0.20.EL kernel, but it fails even without modifications. How did I try it? Created a (non-root) build environment (not a mock ) Installed the kernel.scr.rpm and did a rpmbuild -ba --target=`uname -m` kernel-2.6.spec 2> prep-err.log | tee prep-out.log The build failed at the end: Processing files: kernel-xenU-devel-2.6.9-67.0.20.EL Checking