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7:29:52
beach
This morning I watched a talk by Kate Gregory at cppcon 2018, entitled Simplicity: Not Just For Beginners (or How To Write Simpler Code). I am confused. Is cppcon a conference with a program committee? This talk is largely for beginners in that she is giving rules that anybody should already know. Also, the entire thing is absurd. I mean, you want to keep things simple, and you use C++????
8:05:20
splittist
beach: if you have to use C++ (because it is a requirement imposed by your job), then wouldn't you want some help?
8:11:36
beach
splittist: Sure. I am just very surprised that an international conference would accept a paper like this.
8:13:28
splittist
I am surprised you are surprised. Quality of message seems pretty low down on the list of requirements to be chosen to present at conferences of any sort, as far as I have experienced. (Obviously I put lisp conferences slightly to one side, here...)
8:52:00
beach
Back to computing the estimated distance to use or EDU. Like I said, it is a sparse linear-equation system. It is sparse because most instruction have a single successor. Also, only the back arcs are problematic. And the computation can be done initially per basic block.
8:52:02
beach
So I counted the number of back arcs in the code that is converted to HIR during bootstrapping. With more than 4000 HIR programs processed, there are less than 2000 back arcs, so on the average one for every two HIR program. Plus, If I do this by basic block, the system won't be sparse, so I think I can use a traditional technique using Gaussian elimination.