Memory Usage On Emacs 24 Lucid Linux:

[T. V. Raman]

Just did a git pull -a to see if nmy memory woes on the 16-core
workstation (HP Z600) were a thing of the past, alas No.

Here are some numbers that I hope are useful:

Running Emacs 23.2 on that machine, with my default .emacs
loaded, RSS  is about 235MB VSS about 430MB. This is an Emacs
session that has been up for about a week.

Emacs 24 built from today's git snapshot:

Starting Emacs with the same .emacs loaded:

0. All memory on the machine goes away to Emacs (started with 9GB
of 12GB free) -- as reported by free.

1. After running a garbage collect in that emacs (before GC, it  
was basically  too slow to use)
Running proced showed an RSS of 7gb and a VSS of approx 8GB.

I ran M-x memory-usage and here are the numbers.

Garbage collection stats:
((833982 . 321192) (57906 . 5) (116 . 491) 4504763 1000738985 (1539 . 520) 
(13100 . 7508) (171211 . 33823))

 =>     13343712+5139072 bytes in cons cells
        2779488+240 bytes in symbols
        4640+19640 bytes in markers
        24624+8320 bytes in floats
        733600+420448 bytes in intervals
        5478752+1082336 bytes in string headers
        4504763 bytes of string chars
        4504763 bytes of vector slots

Total bytes in lisp objects: 1034278620 (live 1027608564, dead 6670056)

Buffer ralloc memory usage:
18 buffers
113342 bytes total (4948 in gaps)
      Size      Gap     Name

     45482      0       *Compile-Log*
     43734      1852    *Proced*
      7714      771     .diary
      6742      111     *Messages*
      2039      204      *g scratch*
       596      59      *Calendar*
       594      59      *shell*
       568      1570    *Buffer Details*
       362      36      *Warnings*
       322      32       *completion-save-buffer*
       191      20      *scratch*
        81      20      *Shell Command Output*
        42      20       *code-conversion-work*
        12      20       *Echo Area 0*
         9      20       *dtk-scratch-buffer* 
         0      20       *Minibuf-1*
         0      20       *Minibuf-0*
         0      20       *Echo Area 1*


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