Subj : it's
To   : Maurice Kinal
From : Michael Dukelsky
Date : Wed Apr 27 2022 03:43 pm

Hello Maurice,

23 April 2022, Maurice Kinal wrote to Benny Pedersen:

BP>> without the  grep it was a long story

MK> AH!  Ye olde compatibilty issue.  Also grep here has pcre as a
MK> dependency which adds perl regexp.  I haven't used a stock grep
MK> (without pcre) in ages so I don't recall all the differences offhand.
MK> Anyhow here is the answer we are looking for;

BP>>   -march=                               znver2

MK> Excellent!  That is what I suspected from a spec sheet I found posted
MK> somewhere, execpt they called it Zen2 if I am not mistaken.

MK>>> If true then what a terrible waste.

BP>> in what way a waste ?

MK> We misunderstood each other.  If gcc wasn't onboard, which it
MK> obviously is, then it would have been a wasted machine.  Without gcc
MK> you might as well install windows and then take it out back and shoot
MK> it (ie put it out of it's misery).  However from what I see I'm
MK> definetly interested, although I believe there is a new ryzen that I
MK> am led to believe is a znver3.  It is also an Asus and is roughly the
MK> same cost as yours.

$ gcc -c -Q -march=native --help=target | grep '^  -march='
 -march=                               znver3

# lshw
[...]
 *-core
      description: Motherboard
      product: PRIME B550-PLUS
      vendor: ASUSTeK COMPUTER INC.
[...]
    *-memory
         description: System Memory
         physical id: 32
         slot: System board or motherboard
         size: 64GiB
[...]
    *-cpu
         description: CPU
         product: AMD Ryzen 7 5700G with Radeon Graphics
         vendor: Advanced Micro Devices [AMD]
         physical id: 37
         bus info: cpu@0
         version: AMD Ryzen 7 5700G with Radeon Graphics
         serial: Unknown
         slot: AM4
         size: 2423MHz
         capacity: 4672MHz
         width: 64 bits
         clock: 100MHz
         capabilities: lm fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
         configuration: cores=8 enabledcores=8 threads=16

Michael

... node (at) f1042 (dot) ru
--- GoldED+/LNX 1.1.5-b20180707
* Origin: ==<<.f1042.ru.>>== (2:5020/1042)