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Quartus prime pro Window 10 runs 6x faster than on linux red hat 7

AEsqu
Novice
466 Views

Quartus prime pro Window 10 runs 6x faster than on linux red hat 7

Using quartus 20.2, the all place and route takes 6h under linux (dedicated big machine with lot's of mem)

and runs in 1h using Quartus 20.2 under Windows 10 (SSD, 32 GB ram, local machine).

Is that known that linux version is crawling?

Or is it due to the IT  server infrastructure for linux version?

Original run is under Linux, then I create a qar file (export) and import the .qar under windows 10/quartus, so the design and SDC are 100% the same

 

0 Kudos
4 Replies
AEsqu
Novice
431 Views

Attaching run time pictures.

AEsqu
Novice
407 Views

I did test using another project on Arria 10,

it is also the case, 5x faster on Windows 10 using the quartus synthesis tool (in my provious project synplify was used to create the vqm netlist).

Any clue Intel?

 

AEsqu
Novice
387 Views

It turned out that the LSF system was making quartus only be able to use 1 core of the CPU...

Extending to more core speeds up quartus and reaches same speed than under windows 10.

 

AEsqu
Novice
375 Views

Below an example for the lsf system:

 

bsub -n 12 -R "rusage[mem=48000] && cpuf>340" quartus Achilles_arria_X.qpf &

 

12 cores usage, memory reservation of 48 GB with a CPU factor above 3.4 GHz (machine with CPU core faster than 3.4 GHz will be used).

 

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