Re: productivity/khard (or python) seem slow

On 2019.05.18 11:39, David Mimms wrote:
>On 2019.05.17 11:41, Paco Esteban wrote:
>>On Thu, 16 May 2019, Joel Carnat wrote:
>>
>>>On Thu 16/05 08:55, Paco Esteban wrote:
>>>> Can't say about your VM. On my desktop:
>>>>
>>>> $ time (khard list | wc -l)
>>>> 104
>>>> ( khard list | wc -l; ) 0.51s user 0.25s system 97% cpu 0.779 total
>>>>
>>>
>>>Is this on OpenBSD ? The time output looks different.
>>
>>Of course it is ... (-current though)
>>That should be zsh that uses an internal builtin instead of
>>/usr/bin/time I guess (did not check).
>>
>>Here it is on ksh with base time:
>>
>> $ time (khard list | wc -l)
>> 104
>> 0m00.81s real 0m00.59s user 0m00.21s system
>>
>>Interestingly a bit slower.
>
>What CPU and storage are you running?
>
>My ThinkPad P50:
>* Intel Xeon E3-1505M @ 2.80GHz
>* 2 x Samsung 960 PRO PCIe NVMe (OpenZFS mirror)
>* O/S: Debian Buster
>
>Results:
>$ time (khard list | wc -l)
>265
>( khard list | wc -l; ) 0.91s user 0.04s system 100% cpu 0.950 total
>
>
>My ThinkPad X1 Carbon (4th gen)
>* Intel Core i7-6600U @ 2.60GHz (Hyper-threading disabled)
>* 1 x Samsung MZ-NLN512 SATA
>* O/S: OpenBSD 6.5 -current
>
>Results:
>$ time (khard list | wc -l)
> 265
>( khard list | wc -l; ) 2.44s user 2.03s system 100% cpu 4.459 total
>
>The OpenZFS mirror is noticeably slower than a single 960 PRO formatted
>as ext4. Since the X1 has a SATA drive in it, I'll eventually have to
>install OpenBSD on my spare Samsung 960 PRO in order to improve overall
>performance.
>
>I also tested OpenBSD 6.[45] in VMware Workstation Pro on my P50, and
>it ran extremely slow. So slow that it was unusable. I figure it's
>not optimized for virtualization? FreeBSD, Linux, and Windows all run
>fine in my VMware.

For further comparison, I installed FreeBSD 12.0-RELEASE on my ThinkPad X1
Carbon (4th gen) that was running OpenBSD 6.5 -current and here is the
result:

$ time (khard list | wc -l)
265
( khard list | wc -l; ) 1.12s user 0.10s system 100% cpu 1.211 total

DM