[rennes][abacus26] Add clock speed and microarchitecture to cluster description

data/grid5000/sites/rennes/clusters/abacus26/nodes/abacus26-1.json

@@ -171,8 +171,8 @@
     "turboboost_enabled": true
   },
   "performance": {
-    "core_flops": 128,
-    "node_flops": 6144
+    "core_flops": 83200000000,
+    "node_flops": 3993600000000
   },
   "processor": {
     "cache_l1": null,
@@ -180,10 +180,10 @@
     "cache_l1i": 32768,
     "cache_l2": 2097152,
     "cache_l3": 62914560,
-    "clock_speed": 8,
+    "clock_speed": 2600000000,
     "ht_capable": true,
     "instruction_set": "x86-64",
-    "microarchitecture": "Haswell",
+    "microarchitecture": "Sapphire Rapids",
     "microcode": "0x2b000603",
     "model": "Intel Xeon",
     "other_description": "Intel(R) Xeon(R) Gold 6442Y",

input/grid5000/sites/rennes/clusters/abacus26/abacus26.yaml

 ---
 model: HPE ProLiant DL380 Gen11
-created_at: 2025-01-17 # TODO: change this e
+created_at: 2025-01-17
 kavlan: false
 boot_type: uefi
 exotic: false
@@ -17,8 +17,8 @@ nodes:
       besteffort: true
       max_walltime: 0
     processor:
-      microarchitecture: Haswell # TODO: replace with microarch name.
-      clock_speed: 8 # TODO: Replace with clock speed.
+      microarchitecture: Sapphire Rapids
+      clock_speed: 2600000000 
     network_adapters:
       bmc:
         enabled: true
@@ -33,7 +33,7 @@ nodes:
         id: disk0 
         interface: NVME
     software:
-      standard-environment: debian11-x64-std # TODO: check that architecture is OK
+      standard-environment: debian11-x64-std 
     management_tools:
       bmc_vendor_tool: ipmitool 
     nodeset: abacus-26