Re: Strange authorisation isuses:

On 6/16/22 16:04, Dragan ([email protected] via alfs-discuss Mailing List) wrote:

> Thanks for the scripts.
> 
> About timing: SBU of 75 sec was based on -j1 and not -j16. I have set binutils to be 
> built without optimisation.
> On the same system in VM I got SBU between 20 aand 22 when building using my own 
> scripts and that is inclusief unpacking source code and logging using -j16. But 
> maintaining scripts between dev releases is just to much time consuming and mistake 
> prone.
> 
> On wsl using -j24 I got times between 18,9 and 19,5 sec using full scale 
> virtualization available using the same script. But with wsl enabled is Virtual Box 
> practically useless, it feels like "good old time" of 8080 and I have thrown it away.
> 
> What have realy surprised me is surprisingly low time of Kernel build 93 seconds. I 
> have already booted  in the system and it's looks ok. I will take deeper look at the 
> issue in chroot.
> 
> Total build time is not issue. Multitasking with some power to spare...

That HW is interesting.  What is your output of

$ lscpu | head -n18

What I have is:

Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Address sizes:                   43 bits physical, 48 bits virtual
Byte Order:                      Little Endian
CPU(s):                          24
On-line CPU(s) list:             0-23
Vendor ID:                       AuthenticAMD
Model name:                      AMD Ryzen 9 3900X 12-Core Processor
CPU family:                      23
Model:                           113
Thread(s) per core:              2
Core(s) per socket:              12
Socket(s):                       1
Stepping:                        0
Frequency boost:                 enabled
CPU max MHz:                     4672.0698
CPU min MHz:                     2200.0000
BogoMIPS:                        7585.83

   -- Bruce

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