Try % time cat <huge_file >huge_file_copy
Install smartctl to check drive health I also have a PowerBook 1ghz which is quite a bit faster than my 1.5ghz tho could be because the former has a bit more ram and a newer hard drive and the latter has a defective 2nd ram slot On Fri, Nov 13, 2020 at 7:27 AM Riccardo Mottola <riccardo.mott...@libero.it> wrote: > Hi! > > I develop on both an iBook G4 14" (should be one of the latest model, > although the motherboard ) and a PowerBook G4 17" both running debian... > Although currently different kernels, minor differences. > "In theory" I got the PB G4 because it should be faster than the iBook > * Same CPU version, but faster clock > * more RAM > further down "cpuinfo. > > As a reference I use compiling ArcticFox which is a big, memory hungry > task: compiling, linking large files (unified sources!), copying stuff, > tar.gz, install... etcc > I know from working on x86 that 1.2GB are "tight" so in certain > situations. quite some swapping. > > However, surprise surprise, build times on the iBook are around 6 hours, > on the PowerBook around 9 !!! That's a huge difference. > Either the PB has some hardware inferiority (design or degradation) or > there is something heavily under-performing on it - kernel issue? > setting? speed? > Ideas welcome :) > Some specific benchmarks easy to run and available in packages? eg.g. > memory speed and disk speed tests. > > Riccardo > > multix@iBookG4-14:~$ cat /proc/cpuinfo > processor : 0 > cpu : 7447A, altivec supported > clock : 1333.333000MHz > revision : 1.1 (pvr 8003 0101) > bogomips : 73.72 > > timebase : 18432000 > platform : PowerMac > model : PowerBook6,5 > machine : PowerBook6,5 > motherboard : PowerBook6,5 MacRISC3 Power Macintosh > detected as : 287 (iBook G4) > pmac flags : 0000001a > L2 cache : 512K unified > pmac-generation : NewWorld > Memory : 1280 MB > > > multix@Auryn:~$ cat /proc/cpuinfo > processor : 0 > cpu : 7447A, altivec supported > clock : 1666.666000MHz > revision : 1.2 (pvr 8003 0102) > bogomips : 73.72 > > timebase : 18432000 > platform : PowerMac > model : PowerBook5,7 > machine : PowerBook5,7 > motherboard : PowerBook5,7 MacRISC3 Power Macintosh > detected as : 287 (PowerBook G4 17") > pmac flags : 0000001a > L2 cache : 512K unified > pmac-generation : NewWorld > Memory : 2048 MB > > >