Re: Mac OS X's disk compressor?

From	"Happy.Hobo" <Happy.Hobo@Spam.Invalid>
Newsgroups	comp.sys.mac.hardware.storage, comp.sys.mac.apps, comp.sys.mac.system
Subject	Re: Mac OS X's disk compressor?
Date	2016-03-30 15:26 -0500
Organization	On The Road
Message-ID	<ndhcpt$pmq$1@gioia.aioe.org> (permalink)
References	<kfKdnS9iwIyxvGbLnZ2dnUU7-afNnZ2d@earthlink.com> <1mkxfil.kjhegkn7csx1N%dempson@actrix.gen.nz> <ndgvno$27b$1@gioia.aioe.org> <slrnnfo426.pm9.g.kreme@amelia.local> <ndhbhg$n83$1@gioia.aioe.org>

Cross-posted to 3 groups.

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On 03-30-2016 15:05, Happy.Hobo wrote:
> On 03-30-2016 12:40, Lewis wrote:
>> I have an SD card in my rMBP, but it is so godawful slow that I nearly
>> never use it.
>
> Mine was a 64-bit Sans, and I never bothered to check the speed.  It was
> fast enough that music and videos in Itunes never skipped or paused.

Just checked (mm:ss.):

time       command
00:04.550  mkfile 1g /tmp/tmp               # internal SSD
02:13:035  mkfile 1g /Volumes/Test-11b/tmp  # SD card (HFS+)
00:08.749  cp /Volumes/Test-11b/tmp /tmp
01:23.238  cp /tmp/tmp /Volumes/Test-11b
00:03.680  wc /Volumes/Test-11b/tmp
00:03.923  wc /tmp/tmp

So it is certainly slower for write.  Not surprising.  But practically 
identical for read.

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Mac OS X's disk compressor? ANTant@zimage.com (Ant) - 2016-03-29 19:43 -0500
  Re: Mac OS X's disk compressor? Michael Vilain <mev94303y@yahoo.com> - 2016-03-29 18:06 -0700
    Re: Mac OS X's disk compressor? Alan Browne <alan.browne@freelunchvideotron.ca> - 2016-03-29 21:16 -0400
  Re: Mac OS X's disk compressor? dempson@actrix.gen.nz (David Empson) - 2016-03-30 14:18 +1300
    Re: Mac OS X's disk compressor? "Happy.Hobo" <Happy.Hobo@Spam.Invalid> - 2016-03-30 11:43 -0500
      Re: Mac OS X's disk compressor? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2016-03-30 17:40 +0000
        Re: Mac OS X's disk compressor? "Happy.Hobo" <Happy.Hobo@Spam.Invalid> - 2016-03-30 15:05 -0500
          Re: Mac OS X's disk compressor? "Happy.Hobo" <Happy.Hobo@Spam.Invalid> - 2016-03-30 15:26 -0500
  Re: Mac OS X's disk compressor? Jolly Roger <jollyroger@pobox.com> - 2016-03-30 06:33 +0000

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