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Re: Alternative to DumpSave

  • To: mathgroup at
  • Subject: [mg116941] Re: Alternative to DumpSave
  • From: David Bailey <dave at>
  • Date: Sat, 5 Mar 2011 06:05:56 -0500 (EST)
  • References: <ikq8dj$7sn$>

On 04/03/2011 08:38, Vince Virgilio wrote:
> On Thursday, March 3, 2011 6:00:33 AM UTC-5, thomas wrote:
>> Dear Mathgroup,
>> Can anybody suggest an elegant alternative to the DumpSave[] command?
>> How can I achieve something equivalent accross systems?
> I export to WDX format to do this. See ref/format/WDX in the Doc Center.
> Vince

I did a little test, and found that the WDX file was almost 3 times the 
size of the mx file. more troublesomely,

Time to Export vs DumpSave: 1.64 vs 0.03
Time to Import vs Get 0.172 vs 0.00 (i.e. negligible)

The data contained a medium sized sparse array, plus some other data. I 
don't quite see why the WDX format should be any more expensive that 
DumpSave if the effort was put in!

David Bailey

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