The latest builds at download/jengine now include parser and bctlz. Use the process implemented in the script jengine.ijs at that page to install the beta-3 engine (or do in manually).
I think your timing results would be of interest to the group. And any other timings of pet things people would like to do. Lint is good because it is a real application. But it will change over time and perhaps isn't as good a base line as fixed benchmark scripts in the test suite that are defined to not change. (except perhaps for included comments about past observations). What I'd like, but am not sure makes sense, is artificial code, that explicitly exercises the JE on scalar data (including control structures). Or better yet, scalar solutions to real problems in areas where J suffers the most. On Mon, May 23, 2016 at 4:08 PM, Henry Rich <[email protected]> wrote: > As Marshall said, we decided to run lint on the source code for lint (2 > seconds approx.). I do it 50 times, then take the average of the next 50 > times. The performance is unpredictable enough that you need to average > over many runs. > > I do not feel well qualified to make this choice officially. lint is just > a program I happen to know. If there are other ideas, maybe we should have > a suite of parser-heavy applications. Some non-J-like beginner code might > be useful at last. > > I don't have a build with bpctlz and parser together, but I expect about > 10-11% improvement. Marshall's change, when it comes out, will add a > further several percent I expect. > > Henry > > > On 5/23/2016 2:16 PM, Eric Iverson wrote: > >> Your recent JE changes (parser, bpctlz) should be accompanied by some >> test scripts that demonstrate the improvements. >> >> We need one or more test scripts that are not run as part of the test >> suite, but rather are run by the user to compare different releases. >> >> These scripts should test interpreter-scalar performance, not large array >> performance. Lots of parsing etc and only scalars. >> >> I would like to run a script on the latest JE and then run it on 804 and >> have something concrete to say about the new release. >> >> Volunteers? >> > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
