On Fri, May 27, 2005 at 04:28:32PM -0400, Bennett Helm wrote: > On May 27, 2005, at 2:59 PM, Martin Vermeer wrote: > > >Actually I have now had time to think about this for two weeks, and my > >considered opinion is a bit different... > > This patch fixes problems on the Mac with dropping characters and with > reordering characters. Also, scrolling feels much better. > > However, typing speed is still very slow and eats processor time, as > before. Here's the resulting time profile of the relevant bits, in two > versions -- the first of which is pretty much what I've reported > before, the second is a new view that for all I know (almost nothing!) > may be helpful. > > Granularity: Source Line > 58.9% 59.9% LyX lengthcombo.C:62 > 0.6% 0.7% LyX lengthcombo.C:62 > 0.1% 0.1% LyX qfont_loader.C:396 > 0.0% 0.0% LyX lengthcombo.C:62 > 0.2% 0.2% LyX qfont_loader.C:396 > 0.0% 0.0% LyX stl_alloc.h:677 > 0.1% 0.1% LyX stl_tree.h:1053 > 0.0% 0.0% LyX dociterator.C:473 > > > Granularity: Symbol > 56.1% 56.7% LyX 1.6 KB QFontEngineMac::doTextTask(QChar > const*, int, int, int, unsigned char, int, int, QPaintDevice*, QRegion > const*) const > 0.1% 0.1% LyX 192 B qMacVersion() > 0.0% 0.1% LyX 1.6 KB QFontEngineMac::doTextTask(QChar > const*, int, int, int, unsigned char, int, int, QPaintDevice*, QRegion > const*) const 0.1% 0.1% LyX 284 B > QMacSetFontInfo::setMacFont(QMacFontInfo const*, QMacSetFontInfo*) > 0.1% 0.1% LyX 160 B > QMacSetFontInfo::setMacFont(QFontEngine const*, QMacSetFontInfo*, > QPaintDevice*) > 0.0% 0.0% LyX 92 B QRegion::handle(bool) const > 0.0% 0.0% LyX 12 B QRegion::isNull() const > 0.0% 0.0% LyX 8 B QPaintDevice::handle() const > 0.0% 0.0% LyX 132 B QRegion::isEmpty() const > 0.0% 0.0% LyX 520 B DocIterator::backwardPos() > > Bennett
I really, really don't understand this. Back to basics. I suppose you have commands like ps, top etc. or "time" for timing runs. Could you determine time consumption for a quiescent LyX, keeping a key down so it repeats, and slow/fast typing? What patterns do you see? - Martin
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