[Vm-dev] Re: [squeak-dev] The Trunk: Network-topa.166.mcz

Tobias Pape Das.Linux at gmx.de
Thu Oct 22 12:49:28 UTC 2015


On 22.10.2015, at 14:37, David T. Lewis <lewis at mail.msen.com> wrote:

> On Thu, Oct 22, 2015 at 06:28:09AM +0000, commits at source.squeak.org wrote:
>> Tobias Pape uploaded a new version of Network to project The Trunk:
>> http://source.squeak.org/trunk/Network-topa.166.mcz
>> 
>> ==================== Summary ====================
>> 
>> Name: Network-topa.166
>> Author: topa
>> Time: 21 October 2015, 8:26:14.656 pm
>> UUID: d6d9910f-fa67-4c69-9a89-030c81233e90
>> Ancestors: Network-topa.165
>> 
>> UUIDGenerator
>> - Use new Random>>#nextBytes:into:startingAt: (needs Kernel-ul.960) for even more speed
>> - Fix UUIDGenerator class>>#initialize to correctly register at startup
>> - Do not reset default on startup but rather reseed TheRandom
>> 
>> Timings improved:  '1,190,000 per second. 842 nanoseconds per run.' (0.25 times slower than primitive version)
>> 
> 
> This is outstanding. The UUID plugin has long been a source of problems in
> the VM, partly due to issues in various Linux distributions.
> 
>  http://bugs.squeak.org/view.php?id=7358
> 
> Making the plugin unnecessary is a big improvement.

Thats what I thought.
Probably we want to present this (Mersenne PRNG + new UUID gen) to
the Pharo core developers (cc) so that we can just remove the UUID plugin
from the VMs (cc vm-dev)?

Best regards
	-Tobias


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