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From: Richard Stallman <rms@gnu.org>
To: michael schuldt <mbschuldt@gmail.com>
Cc: eliz@gnu.org, raeburn@raeburn.org, emacs-devel@gnu.org
Subject: Re: Should we land Lisp reader optimizations?
Date: Wed, 21 Jun 2017 21:58:03 -0400	[thread overview]
Message-ID: <E1dNrNj-0002tH-Vp@fencepost.gnu.org> (raw)
In-Reply-To: <CABhu7fVCneVY74pBbV4MD_aJNU6frv8ALiPkPGaURbVTbjXQDA@mail.gmail.com> (message from michael schuldt on Tue, 20 Jun 2017 19:50:59 -0700)

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

  > Since the time spent in GC appears so significant, why not disable GC while
  > reading?

That could bloat the total memory size of Emacs, with garbage scattered among
the actually used memory so that no entire blocks could be freed.

However, whether the bloat is enough to be a significant drawback,
I don't know.  It might be interesting to measure the amount of memory
used in two alternatives: GCs during reading, and just one GC at the end
of reading.

-- 
Dr Richard Stallman
President, Free Software Foundation (gnu.org, fsf.org)
Internet Hall-of-Famer (internethalloffame.org)
Skype: No way! See stallman.org/skype.html.




  parent reply	other threads:[~2017-06-22  1:58 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-19 16:58 Should we land Lisp reader optimizations? Eli Zaretskii
2017-06-20  7:08 ` Ken Raeburn
2017-06-20 10:12   ` Ken Raeburn
2017-06-20 15:25     ` Eli Zaretskii
2017-06-20 15:39       ` Clément Pit-Claudel
2017-06-20 16:06         ` Paul Eggert
2017-06-20 23:12       ` John Wiegley
2017-06-21  2:50         ` michael schuldt
2017-06-21 10:07           ` Ken Raeburn
2017-06-21 17:41           ` Eli Zaretskii
2017-06-22  1:58           ` Richard Stallman [this message]
2017-06-22  2:56             ` michael schuldt
2017-06-22  6:25               ` John Wiegley
2017-06-22 13:26           ` Stefan Monnier
2017-06-22  1:57         ` Richard Stallman
2017-06-21  9:46       ` Ken Raeburn
2017-06-21 17:56         ` Eli Zaretskii

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