Electronics > PCB/EDA/CAD

LTSpice Performance Tests

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udok:
Hello,

I have uploaded a PowerShell script to test LTSpice performance (LTSpiceBenchmarkEricSims.zip).
The test files include the quasi standard test files bjtff.cir, mike2.cir, mux2.cir and more complex test files.

Please run the test and post the results or report problems here. The file Readme.md has more info.

I am specifically interested in Ryzen 9 versus Intel i9/i7 because in preliminary tests the results are very different (up to a factor 10) depending on the test case.

Best regards,
Udo

AndyC_772:
LTSpice performance depends largely on the storage device to which the raw results are written. Are you using the exact same HDD or SSD in each case?

Ian.M:
I hope this topic doesn't get shut down, but the LTspice XVII license does say:

--- Quote ---5. Publicity. Notwithstanding anything in this Agreement, Licensee may
not use any trademark or trade name of Analog Devices or make any public
announcement regarding the existence of this Agreement without Analog
Devices' prior written consent. Licensee may not publish or provide the
results of any benchmark or comparison tests run on the Licensed Software
to any third party without the prior written consent of Analog Devices.

--- End quote ---

udok:

--- Quote from: AndyC_772 on October 04, 2022, 04:25:00 pm ---LTSpice performance depends largely on the storage device to which the raw results are written. Are you using the exact same HDD or SSD in each case?

--- End quote ---

I use SSD.  The performance should not depend much on the SSD speed (i hope at least).
Windows uses the RAM to cache the files, and the run time is much larger than the time needed to write the raw file to disk anyway.

Simon:

--- Quote from: Ian.M on October 04, 2022, 04:50:02 pm ---I hope this topic doesn't get shut down, but the LTspice XVII license does say:

--- Quote ---5. Publicity. Notwithstanding anything in this Agreement, Licensee may
not use any trademark or trade name of Analog Devices or make any public
announcement regarding the existence of this Agreement without Analog
Devices' prior written consent. Licensee may not publish or provide the
results of any benchmark or comparison tests run on the Licensed Software
to any third party without the prior written consent of Analog Devices.

--- End quote ---

--- End quote ---

looks like you have breached it too in bringing it to our attention  :-DD, there is no stopping these lawers.

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