diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json
index 9ac34d10f11ac85417cbd785c149e107b4614c40..8de4964e855d91abfbb212664406ed82f338ed85 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json
@@ -116,7 +116,7 @@
     "cache_l1i": 32768,
     "cache_l2": 262144,
     "cache_l3": 15728640,
-    "clock_speed": 2500000000,
+    "clock_speed": 2000000000,
     "instruction_set": "x86-64",
     "model": "Intel Xeon",
     "other_description": "Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz",
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json
index e608d730bc7b8895942b728fa6ee28fcddc94c5f..3558cd79bd101446e8f755338ca7076f237e39df 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json
@@ -116,7 +116,7 @@
     "cache_l1i": 32768,
     "cache_l2": 262144,
     "cache_l3": 15728640,
-    "clock_speed": 2500000000,
+    "clock_speed": 2000000000,
     "instruction_set": "x86-64",
     "model": "Intel Xeon",
     "other_description": "Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz",
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json
index 98e799ee9ba17169c25483c8b533d5a1c4416b23..42c0df5a69aa1a9d118b0a0a2dd4b856654e6922 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json
@@ -116,7 +116,7 @@
     "cache_l1i": 32768,
     "cache_l2": 262144,
     "cache_l3": 15728640,
-    "clock_speed": 2500000000,
+    "clock_speed": 2000000000,
     "instruction_set": "x86-64",
     "model": "Intel Xeon",
     "other_description": "Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz",
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json
index 8f1d8e88a206e4948634f0ac7aabfae5be3fe7b3..e0d6b9020edd525347f280694c6cf0cba9d44889 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json
@@ -116,7 +116,7 @@
     "cache_l1i": 32768,
     "cache_l2": 262144,
     "cache_l3": 15728640,
-    "clock_speed": 2500000000,
+    "clock_speed": 2000000000,
     "instruction_set": "x86-64",
     "model": "Intel Xeon",
     "other_description": "Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz",
diff --git a/generators/input/sites/lyon/clusters/hercule/nodes/hercule-1.yaml b/generators/input/sites/lyon/clusters/hercule/nodes/hercule-1.yaml
index ee0b0e0b71d21f862f3a24c4ad472d685d4e4592..a6ce94ed928c51c7db58d562d730d10f7b83e2a2 100644
--- a/generators/input/sites/lyon/clusters/hercule/nodes/hercule-1.yaml
+++ b/generators/input/sites/lyon/clusters/hercule/nodes/hercule-1.yaml
@@ -75,7 +75,7 @@ hercule-1:
   processor:
     model: Intel Xeon
     cache_l1d: 32768
-    clock_speed: 2500000000
+    clock_speed: 2000000000
     other_description: Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz
     version: E5-2620
     cache_l2: 262144
diff --git a/generators/input/sites/lyon/clusters/hercule/nodes/hercule-2.yaml b/generators/input/sites/lyon/clusters/hercule/nodes/hercule-2.yaml
index 19459492823a439bb8b72b2b45c3cdaf619e6686..205db1e42ea697251e522858d0aa720368db4069 100644
--- a/generators/input/sites/lyon/clusters/hercule/nodes/hercule-2.yaml
+++ b/generators/input/sites/lyon/clusters/hercule/nodes/hercule-2.yaml
@@ -75,7 +75,7 @@ hercule-2:
   processor:
     model: Intel Xeon
     cache_l1d: 32768
-    clock_speed: 2500000000
+    clock_speed: 2000000000
     other_description: Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz
     version: E5-2620
     cache_l2: 262144
diff --git a/generators/input/sites/lyon/clusters/hercule/nodes/hercule-3.yaml b/generators/input/sites/lyon/clusters/hercule/nodes/hercule-3.yaml
index 5783c3af1072fc38b27c47691c586a8b370cbeaa..326cefcd375a889c8f78af287aaafbf20599e5b4 100644
--- a/generators/input/sites/lyon/clusters/hercule/nodes/hercule-3.yaml
+++ b/generators/input/sites/lyon/clusters/hercule/nodes/hercule-3.yaml
@@ -73,7 +73,7 @@ hercule-3:
   processor:
     model: Intel Xeon
     cache_l1d: 32768
-    clock_speed: 2500000000
+    clock_speed: 2000000000
     other_description: Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz
     version: E5-2620
     cache_l2: 262144
diff --git a/generators/input/sites/lyon/clusters/hercule/nodes/hercule-4.yaml b/generators/input/sites/lyon/clusters/hercule/nodes/hercule-4.yaml
index 1f3a0951ce815559110852cd3f517be939fef59c..36a00d2bf4ccf306746b46dbedcf21695bfd35ea 100644
--- a/generators/input/sites/lyon/clusters/hercule/nodes/hercule-4.yaml
+++ b/generators/input/sites/lyon/clusters/hercule/nodes/hercule-4.yaml
@@ -75,7 +75,7 @@ hercule-4:
   processor:
     model: Intel Xeon
     cache_l1d: 32768
-    clock_speed: 2500000000
+    clock_speed: 2000000000
     other_description: Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz
     version: E5-2620
     cache_l2: 262144