performance evn

[Bohms, H.M. (Michel)]

Is there anything I can do in settings to improve the performance of evn (local)?

(java setting or?)

Showing class in middle takes about 8 seconds (one with about ~20 property shapes).

 

Thx Michel

 

 

 

Dr. ir. H.M. (Michel) Böhms Senior Data Scientist T +31888663107 M +31630381220 E michel...@tno.nl Location   This message may contain information that is not intended for you. If you are not the addressee or if this message was sent to you by mistake, you are requested to inform the sender and delete the message. TNO accepts no liability for the content of this e-mail, for the manner in which you use it and for damage of any kind resulting from the risks inherent to the electronic transmission of messages.

 

 

[David Price]

https://www.topquadrant.com/knowledge-assets/faq/tbc/

look for :

Can I increase the amount of memory for Composer? 

Cheers,

David

UK +44 7788 561308

US +1 336 283 0606

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[Bohms, H.M. (Michel)]

Hi David

 

So now I have:

 

-Xmx2048M

-Xms640M

 

Having 8 GB ram (64-bit), what would you advice?

[David Price]

Depends on what else you have running and the size of the datasets you will be editing. Roughly, 1GB extra memory for each 1M triples.

I’ve run everything from 4GB to 12GB depending on the project I’m working.

Cheers,

David

UK +44 7788 561308

US +1 336 283 0606

[Irene Polikoff]

For me, it takes 5-6 seconds to display a class with about 30 direct property shapes and 36 inherited (through subclasses). It is a particularly complex case.

It takes 2-3 seconds to display a class with 13 direct property shapes and 27 inherited.

I am on a Mac though. I have never changed the default.

On Dec 5, 2017, at 1:13 PM, David Price <dpr...@topquadrant.com> wrote:

Depends on what else you have running and the size of the datasets you will be editing. Roughly, 1GB extra memory for each 1M triples.

I’ve run everything from 4GB to 12GB depending on the project I’m working.

Cheers,

David

UK +44 7788 561308

US +1 336 283 0606

On 5 Dec 2017, at 17:55, Bohms, H.M. (Michel) <michel...@tno.nl> wrote:

Hi David

 

So now I have:

 

-Xmx2048M

-Xms640M

 

Having 8 GB ram (64-bit), what would you advice?

 

Dr. ir. H.M. (Michel) Böhms Senior Data Scientist T +31888663107 M +31630381220 E michel...@tno.nl Location

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This message may contain information that is not intended for you. If you are not the addressee or if this message was sent to you by mistake, you are requested to inform the sender and delete the message. TNO accepts no liability for the content of this e-mail, for the manner in which you use it and for damage of any kind resulting from the risks inherent to the electronic transmission of messages.

 

From: topbrai...@googlegroups.com [mailto:topbrai...@googlegroups.com] On Behalf Of David Price
Sent: Tuesday, December 5, 2017 6:50 PM
To: topbrai...@googlegroups.com
Subject: Re: [topbraid-users] performance evn

 

https://www.topquadrant.com/knowledge-assets/faq/tbc/

 

look for :

 

Can I increase the amount of memory for Composer? 

 

Cheers,

David

UK +44 7788 561308

US +1 336 283 0606

 

 

On 5 Dec 2017, at 17:42, Bohms, H.M. (Michel) <michel...@tno.nl> wrote:

 

Is there anything I can do in settings to improve the performance of evn (local)?

(java setting or?)

Showing class in middle takes about 8 seconds (one with about ~20 property shapes).

 

Thx Michel

 

 

 

Dr. ir. H.M. (Michel) Böhms Senior Data Scientist T +31888663107 M +31630381220 E michel...@tno.nl Location

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This message may contain information that is not intended for you. If you are not the addressee or if this message was sent to you by mistake, you are requested to inform the sender and delete the message. TNO accepts no liability for the content of this e-mail, for the manner in which you use it and for damage of any kind resulting from the risks inherent to the electronic transmission of messages.

 

 

 

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[Bohms, H.M. (Michel)]

 

I noiticed no diff. so I guess its indeed time-complex.

I also noticed that after startup of tbc with the new setting (4096) it was reset again (the ini setting goes back to 2048)….

 

 

Dr. ir. H.M. (Michel) Böhms Senior Data Scientist T +31888663107 M +31630381220 E michel...@tno.nl Location

[Holger Knublauch]

On 6/12/2017 5:05, Bohms, H.M. (Michel) wrote:

 

I noiticed no diff. so I guess its indeed time-complex.

I also noticed that after startup of tbc with the new setting (4096) it was reset again (the ini setting goes back to 2048)….

Are you sure you have edited the .orig file, not the .ini file?

Holger

[Bohms, H.M. (Michel)]

Ahhhggg, thought was kind of backup of the original values

But its windows-special…

 

Anyway, tried, no performance change

 

I’ll ask a new machine for Christmas

[David Price]

On 5 Dec 2017, at 19:05, Bohms, H.M. (Michel) <michel...@tno.nl> wrote:

 

I noiticed no diff. so I guess its indeed time-complex.

It may also depend on the encoding of any data. For example, if you import an RDF/XML encoded dataset it will always be slower to open than a Turtle file. It’s not clear what you’re editing/importing but better to keep that in mind.

I also noticed that after startup of tbc with the new setting (4096) it was reset again (the ini setting goes back to 2048)….

I update both the .ini and .ini.orig files with the new value and that works.

Cheers,

David

[Bohms, H.M. (Michel)]

 

Always use turtle when in control indeed.

Ini.orig worked in the end but with no perf. improv. It just takes time (indept. Of ram).

 

Thx m

[Tim Smith]

I often run out of heap space when running TBC so I either run with a high value for -Xmx (14GB or physical RAM-2GB in extreme cases) or use TDB to take advantage of memory mapped files.

One way to see if you are memory-bound is to check to see how much memory the TBC process is consuming relative to the max amount you've allocated via the Xmx setting.  On Windows, you can see this in task manager.  I'm not sure how to do it on a Mac.  Doing this can give you some insight without the trial and error of adjusting max memory settings.

As you've said though, it's likely processor bound.  In case you are able to upgrade your hardware, one drawback to TBC is that nearly everything is single-threaded so getting the fastest processor possible is good but having multiple cores doesn't help much, unfortunately.

Tim

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[Bohms, H.M. (Michel)]

Thx for the info/tips

 

Act. have 1.4 GB in task manager, so indeed processor-bound it seems

 

 

 

Dr. ir. H.M. (Michel) Böhms Senior Data Scientist T +31888663107 M +31630381220 E michel...@tno.nl Location   This message may contain information that is not intended for you. If you are not the addressee or if this message was sent to you by mistake, you are requested to inform the sender and delete the message. TNO accepts no liability for the content of this e-mail, for the manner in which you use it and for damage of any kind resulting from the risks inherent to the electronic transmission of messages.

 

 

From: topbrai...@googlegroups.com [mailto:topbrai...@googlegroups.com] On Behalf Of Tim Smith
Sent: Tuesday, December 5, 2017 11:41 PM
To: topbrai...@googlegroups.com
Subject: Re: [topbraid-users] performance evn

 

I often run out of heap space when running TBC so I either run with a high value for -Xmx (14GB or physical RAM-2GB in extreme cases) or use TDB to take advantage of memory mapped files.

Tim

 

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