Syzygy bases slowing down engine ?

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Lion
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Syzygy bases slowing down engine ?

Post by Lion » Thu Jun 14, 2018 7:25 pm

Hello

I just installed the Syzygy endgame databases in Fritz GUI and realize that when playing close to endgames by engine kn/s drastically goes down from i.e. 35'000 kn/s to as low as about 4'000 kn/s.

Is that behavior normal?

rgds

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Ozymandias
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Re: Syzygy bases slowing down engine ?

Post by Ozymandias » Thu Jun 14, 2018 7:34 pm

With a mechanical HDD? It is, default probe depths are really low nowadays.

Sesse
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Re: Syzygy bases slowing down engine ?

Post by Sesse » Thu Jun 14, 2018 7:35 pm

Yes, it's normal if you have the tablebases on a slow disk (especially anything that's not SSD). Assuming, of course, you don't have enough RAM to cache the relevant set.

Lion
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Re: Syzygy bases slowing down engine ?

Post by Lion » Thu Jun 14, 2018 7:37 pm

I use them on usb 3 memory stick from chessbase

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Ozymandias
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Re: Syzygy bases slowing down engine ?

Post by Ozymandias » Thu Jun 14, 2018 7:38 pm

What a shit product, then. I'm not bad mouthing gladly, but there's no polite way to say it.

Milos
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Re: Syzygy bases slowing down engine ?

Post by Milos » Thu Jun 14, 2018 8:51 pm

Lion wrote:
Thu Jun 14, 2018 7:37 pm
I use them on usb 3 memory stick from chessbase
USB sticks have latency worse than even slow HDDs. So it's not a surprise. Put probe depth to 16+ and you'll be fine.

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Ozymandias
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Re: Syzygy bases slowing down engine ?

Post by Ozymandias » Fri Jun 15, 2018 8:17 am

Milos wrote:
Thu Jun 14, 2018 8:51 pm
Lion wrote:
Thu Jun 14, 2018 7:37 pm
I use them on usb 3 memory stick from chessbase
USB sticks have latency worse than even slow HDDs. So it's not a surprise. Put probe depth to 16+ and you'll be fine.
He will solve the CPU usage problem, but will probe way less. Better to just by a decent SSD and copy the files there (and while he's at it, he could download the missing TBs).

fantasmadel50
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Re: Syzygy bases slowing down engine ?

Post by fantasmadel50 » Tue Jun 19, 2018 5:47 pm

Lion wrote:
Thu Jun 14, 2018 7:25 pm
Hello

I just installed the Syzygy endgame databases in Fritz GUI and realize that when playing close to endgames by engine kn/s drastically goes down from i.e. 35'000 kn/s to as low as about 4'000 kn/s.

Is that behavior normal?

rgds
Lion very good!

What you are telling has happened to several in the fritz!

General rules :

1) Try to install the tables within the motor configuration and not in the fritz gui.

2) In all cases, try to install them between the gui and the engine only to the engine and not to the 2.

3) Try to separate the dtz files from the wdl files.

4) Try to separate the folders in different units within the possibilities.

Ron Langeveld
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Re: Syzygy bases slowing down engine ?

Post by Ron Langeveld » Tue Jun 19, 2018 5:57 pm

Ozymandias wrote:
Thu Jun 14, 2018 7:38 pm
What a shit product, then. I'm not bad mouthing gladly, but there's no polite way to say it.
My sentiment exactly. Charging 179 euro for syzygy files that can be downloaded for free amounts to a very expensive USB3 stick ;)

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Ozymandias
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Re: Syzygy bases slowing down engine ?

Post by Ozymandias » Tue Jun 19, 2018 6:55 pm

Ron Langeveld wrote:
Tue Jun 19, 2018 5:57 pm
Ozymandias wrote:
Thu Jun 14, 2018 7:38 pm
What a shit product, then. I'm not bad mouthing gladly, but there's no polite way to say it.
My sentiment exactly. Charging 179 euro for syzygy files that can be downloaded for free amounts to a very expensive USB3 stick ;)
At current prices, what they're asking for a partial set on USB, allows you to buy a Samsung SSD 970 EVO NVMe M.2 500 GB, which has triple the necessary capacity for the whole set.

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