On Fri, Apr 18, 2014 at 8:12 AM, Michał J Gajda <mjga...@gmail.com> wrote:
> Dear Friends, > > I have a few weeks free just now, and a keen interest in GHC performance, > so please count me in as a person interested in developing the solution :-). > > On Thu, Apr 10, 2014 at 5:57 PM, Johan Tibell <johan.tib...@gmail.com>wrote: > >> There are a few "projects" in this area I think we should undertake: >> >> ## Set up a performance dashboard >> >> Example: http://goperfd.appspot.com/ (try clicking the "Perf" and >> "Graphs" buttons.) >> >> I think the way to go here is: >> >> * Figure out how to build GHC and run the nofib suite in a repeatable >> (i.e. scripted) manner. >> > > Wouldn't it be faster to take GHC builds from the current builder? > I understand that running GHC build for each commit may take some time... > Where would be put the infrastructure? > I could help to set it up, but I do not possess enough CPU power to hold > it for a long time. > Don't worry too much about how you build GHC. Any way that works is fine. The important part is that it's simple and works. If it can be written as a simple shell script + some tools to post-process the output, it would be easy to run on Jenkins. Also, don't worry about finding a machine that can run the benchmarks concurrently. If you get a dashboard and continuous build that works on your development machine, we can find a real server for it (e.g. I have an unused http://www.hetzner.de/en/hosting/produkte_rootserver/ex40) So here's what I'd suggest: 1. Write a script that builds and runs the benchmarks on your local machine. 2. Write something that massages the output into a format that can be pushed to whatever database the perf dashboard would user. 3. Get a dashboard up and running. 4. Tell us about the results. We'll find machines to run it on. Feel free to ask questions if you get stuck anywhere. -- Johan
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