Program uses twice as much memory in Python 3.6 than in Python 3.5

Jan Gosmann jan at
Fri Mar 31 15:52:29 EDT 2017

On 03/29/2017 11:31 PM, Chris Angelico wrote:
> On Thu, Mar 30, 2017 at 2:19 PM, Rick Johnson
> <rantingrickjohnson at> wrote:
>> [...]
>> Really? How could your clients not notice 60 GB of memory
>> usage unless they are running some kind of mad-dog insane
>> top-of-the-line hardware? (Got Benjamins???) Of course, in
>> the case they are not DARPA scientist supported by a
>> viturally unlimited supply of tax dollars provided by the
>> endless toils of American slave-bots, how could they ignore
>> the thrashing? o_O
> Did you read the project's README? This is a dramatic reduction from
> the normal memory usage of this kind of job. So, yes, they *are* going
> to have top-of-the-line hardware. If you're doing a job that normally
> would require 256GB of RAM, and instead of being able to run in 40GB,
> it needs 60GB, are you going to notice? You probably have 64GB or
> 128GB.
> ChrisA
Actually, it is not memory, but time improvements. Most people won't run 
models of the size of Spaun, so usually the memory requirements will be 
much lower


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