Initial results of profiling (cProfile): most of the time is in generators, and in evaluate(). 6 aborts, all trace too long. Both tracing and backend times are a tiny percentage of the overall time. In other words, none of the usual suspects. I probably won't get any more done before going to bed tonight.
Alex On Mon, Apr 28, 2014 at 9:59 PM, Alex Gaynor <alex.gay...@gmail.com> wrote: > I've reproduced the performance on the latest default (on OS X, FWIW). I'm > starting to profile now. > > Alex > > PS: Your namedtuple usage is fine. > > > On Mon, Apr 28, 2014 at 8:43 PM, Robert Grosse <n210241048...@gmail.com>wrote: > >> Hi, while working on some MDP code, I discovered that it was several >> times as slow under Pypy as CPython. Attached is a benchmark demonstrating >> this. >> >> On my computer, the benchmark takes 70.3 seconds under CPython 2.7.3 >> 64bit, but it takes 273.6 seconds under >> pypy-c-jit-71056-c8e3b8cbc843-win32, the latest version I could find. >> >> The code is not at all optimized, but I still found it strange that Pypy >> did so much worse. The code doesn't seem that complex, but perhaps the >> usage of nameduples is triggering pathological behavior from the JIT's >> point of view. >> >> _______________________________________________ >> pypy-dev mailing list >> pypy-dev@python.org >> https://mail.python.org/mailman/listinfo/pypy-dev >> >> > > > -- > "I disapprove of what you say, but I will defend to the death your right > to say it." -- Evelyn Beatrice Hall (summarizing Voltaire) > "The people's good is the highest law." -- Cicero > GPG Key fingerprint: 125F 5C67 DFE9 4084 > -- "I disapprove of what you say, but I will defend to the death your right to say it." -- Evelyn Beatrice Hall (summarizing Voltaire) "The people's good is the highest law." -- Cicero GPG Key fingerprint: 125F 5C67 DFE9 4084
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