emacs / vim - time taken to open threads

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+Message-ID: <5511DE10.80107@bubblegen.co.uk>\r
+Date: Tue, 24 Mar 2015 21:58:40 +0000\r
+From: Matthew Lear <matt@bubblegen.co.uk>\r
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+To: notmuch@notmuchmail.org\r
+Subject: emacs / vim - time taken to open threads\r
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+\r
+Hi all,\r
+Continuing my journey with notmuch... It has been very enjoyable so far.\r
+One thing which has been puzzling me greatly is the time it can take to\r
+notmuch-show a moderately sized thread (eg one with 32 messages with a\r
+three to four sentence paragraph per message - approx 32 x 35kB with\r
+some small attachments). Opening the thread using notmuch-show in emacs\r
+takes about six seconds. If I build the ruby bindings and load up\r
+notmuch in vim or gvim, opening the same thread takes less than a\r
+second. It's *loads* quicker.\r
+\r
+I've rolled back and rolled forwards the version of emacs in my gentoo\r
+installation (various versions of 24) and built it without all available\r
+options, run it bare bones in X and without X. The behaviour is the\r
+same. I've also stripped back my .emacs to nothing more than pulling in\r
+notmuch.el but there is no change in the behaviour.\r
+\r
+I've read some posts about emacs hanging when opening emails due to\r
+attached files, but that was quite a while ago (pre 24). Some of the\r
+emails in my thread have photos (a few hundred kB), others have URLs but\r
+this shouldn't slow emacs down.\r
+\r
+Despite being a vi guy for years, I prefer the emacs interface to\r
+notmuch and really like what it provides. I'm sticking with it but there\r
+is clearly a problem and I'd like to solve it. It's annoying when you\r
+know that something isn't working as well as it should be.\r
+\r
+Is it known that emacs is slower with notmuch or do you think I have\r
+some kind of build / environment problem? Or could it be due to some of\r
+the email content (doubtful) or something else such as encoding etc?\r
+\r
+Cheers,\r
+--  Matt\r