Ubuntu: A follow-up on 32-bit powerpc architecture

Posted Mar 20, 2017 16:33 UTC (Mon) by anton (subscriber, #25547)
In reply to: Ubuntu: A follow-up on 32-bit powerpc architecture by allesfresser
Parent article: Ubuntu: A follow-up on 32-bit powerpc architecture

I suppose even the Raspberry Pi 3 now outpowers anything from that era

Some CPU results: From a LaTeX benchmark:

0.76s Athlon 64 3200+, 2000MHz, 1MB L2, Fedora Core 1 (64-bit)
2.62s iBook G4 12", 1066MHz 7447A, 512KB L2, Debian Sarge GNU/Linux
5.46s Raspberry Pi 3, Cortex A53 1.2GHz Raspbian 8

And Gforth times:

 sieve bubble matrix fib   fft   release; CPU; gcc
 0.820  0.880  0.420 1.180 0.590 2017-03-20; Raspberry Pi 3 Cortex A53 1.2 GHz, gcc-4.9.2 (Raspbian 8)
 0.620  0.728  0.340 1.000 0.532 2017-03-20; PPC 7447a 1066MHz; gcc 4.3.2

So no, at least on single-thread performance the RasPi3 does not even outpower a 2004-vintage iBook G4.

Ubuntu: A follow-up on 32-bit powerpc architecture

Posted Mar 21, 2017 22:26 UTC (Tue) by dvdeug (guest, #10998) [Link]

allesfresser above posts links to full benchmarks for the Mac Mini and Raspberry Pi 3. Yes, on certain single-core benchmarks the Mac Mini wins, but there's quite a bit of variability even on the single-core benchmarks, and if you want speed on a modern machine, you need to use all the cores.