Merge branch 'grat-zen3' into 'master'

[Nancy][grat] zen2 -> zen3

See merge request grid5000/reference-repository!463

Author: RINGOT Patrice

data/grid5000/sites/nancy/clusters/grat/nodes/grat-1.json

@@ -309,7 +309,7 @@
     "clock_speed": 2100000000,
     "ht_capable": true,
     "instruction_set": "x86-64",
-    "microarchitecture": "Zen 2",
+    "microarchitecture": "Zen 3",
     "microcode": "0xa001173",
     "model": "AMD EPYC",
     "other_description": "AMD EPYC 7513 32-Core Processor",

input/grid5000/sites/nancy/clusters/grat/grat.yaml

@@ -13,7 +13,7 @@ nodes:
       besteffort: true
       max_walltime: 0
     processor:
-      microarchitecture: Zen 2
+      microarchitecture: Zen 3
       clock_speed: 2100000000
     software:
       standard-environment: debian11-x64-std

lib/refrepo/gen/wiki/generators/hardware.rb

@@ -354,6 +354,7 @@ def get_date(microarchitecture)
       'Skylake' => '2016',
       'Zen' => '2017',
       'Zen 2' => '2019',
+      'Zen 3' => '2020',
       'Cascade Lake-SP' => '2019',
       'Vulcan' => '2018',
       'Ice Lake' => '2021',

lib/refrepo/input_loader.rb

@@ -682,7 +682,7 @@ def get_flops_per_cycle(microarch, cpu_name)
     return 4
   when "Sandy Bridge", "Zen", "Vulcan"
     return 8
-  when "Haswell", "Broadwell", "Zen 2"
+  when "Haswell", "Broadwell", "Zen 2", "Zen 3"
     return 16
   when "Ice Lake"
     return 32