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by mallets
Mon Dec 16, 2019 12:38 am
Forum: Beginners
Topic: Linalg of Python3 Numpy is so Slow on RasPi 4
Replies: 3
Views: 635

Re: Linalg of Python3 Numpy is so Slow on RasPi 4

On Pi 4, unofficial Ubuntu 18.04 64 bit (Python 3.8, openblas-base installed, numpy pip installed from source): linalg.inv: 15.465410000160773 ms fft.fft: 8.76734899998155 ms np.show_config() output: blas_mkl_info: NOT AVAILABLE blis_info: NOT AVAILABLE openblas_info: libraries = ['openblas', 'openb...
by mallets
Thu Oct 03, 2019 10:32 am
Forum: Advanced users
Topic: Pi4 64-bit raspbian kernel for testing - Focus on Pi4
Replies: 355
Views: 138191

Re: Pi4 64-bit raspbian kernel for testing - Focus on Pi4

dom wrote:
Tue Oct 01, 2019 10:39 pm
mallets wrote:
Tue Oct 01, 2019 3:27 pm
Getting UDP datagram loss with the 64 bit kernel (when testing with iperf3).
On PI4?
Yes. I think only Pi 4 is capable of full gigabit speeds right?
by mallets
Tue Oct 01, 2019 3:27 pm
Forum: Advanced users
Topic: Pi4 64-bit raspbian kernel for testing - Focus on Pi4
Replies: 355
Views: 138191

Re: Pi4 64-bit raspbian kernel for testing - Focus on Pi4

Getting UDP datagram loss (as high as 70%) with the 64 bit kernel, when testing with iperf3. Test condition: - Using both sakaki's raspbian-nspawn-64 / unofficial ubuntu 18.04 64bit. (32 bit userland AND 64 bit native/chroot) - with kernels, 24th september and 3? sept release. - Clean install/no ext...
by mallets
Thu Sep 19, 2019 4:02 am
Forum: Ubuntu
Topic: [ubuntu] Getting CPU tempature on Ubuntu
Replies: 13
Views: 14302

Re: Getting CPU tempature on Ubuntu

Code: Select all

cat /sys/class/thermal/thermal_zone0/temp
works for me. I'm still searching for the CPU freq value though.

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