Re: [fpc-pascal] Really Strange Speed Problems - FPC & Neural Networks

2019-04-17 Thread Joao Schuler
Thank you for your help Jonas. It was a good guess. Unfortunately, adding "spectre_v2=off nopti pti=off" didn't help. ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal

Re: [fpc-pascal] Really Strange Speed Problems - FPC & Neural Networks

2019-04-17 Thread Jonas Maebe
On 17/04/2019 10:01, Joao Schuler wrote: # My CPU reports: cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf You can try disabling spectre protections in your Linux installs: https://access.redhat.com/articles/3311301 Jonas ___ fpc-pascal

Re: [fpc-pascal] Really Strange Speed Problems - FPC & Neural Networks

2019-04-17 Thread Sven Barth via fpc-pascal
Am 17.04.2019 um 10:01 schrieb Joao Schuler: Hello, It's better not to reply to an existing mail with a completely new topic, cause now your mail is burrowed deep in the "Lazarus Release 2.0.2" thread. Better write directly to the list without replying. Regards, Sven _

[fpc-pascal] Really Strange Speed Problems - FPC & Neural Networks

2019-04-17 Thread Joao Schuler
Hello, For the past 10 days, I've seen really strange speed problems at my end. In 2 Ubuntu virtualbox VMs (16.04 and 18.04), my neural networks are running at half speed than usual. The host is a WIN 10 computer. Neural networks are both CPU and memory bound. Therefore, there is something affecti