diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-1.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-1.json
index 6a5e62de66026063d0110794f8a6a47510aa111a..fd036cee890906d9bd66c89d4c9451714074597e 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-1.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-1.json
@@ -82,12 +82,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-10.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-10.json
index 870c8517602a3446cea714a14d1735bb8a2592b2..5a9cad0f9237134a6e04b88defc3bf2463fdab1d 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-10.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-10.json
@@ -78,12 +78,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-11.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-11.json
index 0972f8ca0373b33edf5df7d51964d64b12656fb6..c257310ec57aabb0d03e591ff390f9c95542e328 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-11.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-11.json
@@ -78,12 +78,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-12.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-12.json
index 5219436f8ae0e1dc191a83141cf674777f461247..15746cc07a1d40d16036e6e312319ca5a4c138ad 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-12.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-12.json
@@ -78,12 +78,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-2.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-2.json
index 7dfaa64436b54f3a265162ccbdf5957689ea95dc..9cdb01d41220e72a88417446eb861ac8f78080d3 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-2.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-2.json
@@ -82,12 +82,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-3.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-3.json
index 369cf4a522c81351bcebf404d1e4d2702270422a..2581bd8fb145a8a0b9ce694ee4c2637411116e34 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-3.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-3.json
@@ -82,12 +82,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-4.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-4.json
index da48bff93beb348056eaa802bd1cec6a24c42eca..441274a822183cfdb1ef064c81841efaab36e3f8 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-4.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-4.json
@@ -78,12 +78,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-5.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-5.json
index c53396e56d5461b4b274f1b95f2703e55bcde415..ee7e6707685e9f09220fce5d73216415f58928b0 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-5.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-5.json
@@ -78,12 +78,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-6.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-6.json
index 150f590384fe33bf1eb095445d058f2093d1ccff..d03cd7a70134711495e0cd719c22160cd58e2017 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-6.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-6.json
@@ -78,12 +78,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-7.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-7.json
index 91d9e7533c909baf68d95fdf1d0c5fd4e9145ffa..b35f7fb6b75a92e28b806615ab7c4bbff32e9f81 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-7.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-7.json
@@ -78,12 +78,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-8.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-8.json
index de2726ba70035509fae633abcfbd865b4e541721..3f4c02f4c084778b676073a76cce1492a3b84414 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-8.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-8.json
@@ -78,12 +78,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-9.json b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-9.json
index 80f7acb63ea98c90c5b4e8ed1f0f7f1cff1a9e55..f5bd3a1dfa9458e08f7cc607e78d0ba01f92e6b6 100644
--- a/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-9.json
+++ b/data/grid5000/sites/grenoble/clusters/drac/nodes/drac-9.json
@@ -78,12 +78,12 @@
     }
   ],
   "performance": {
-    "core_flops": 0,
-    "node_flops": 0
+    "core_flops": 32000000000,
+    "node_flops": 640000000000
   },
   "processor": {
     "cache_l1": null,
-    "clock_speed": 0,
+    "clock_speed": 4000000000,
     "microarchitecture": "POWER8NVL"
   },
   "sensors": {
diff --git a/input/grid5000/sites/grenoble/clusters/drac/drac.yaml b/input/grid5000/sites/grenoble/clusters/drac/drac.yaml
index af5503865105b42d26b30035f567ec6ba886d11a..08e089ef124e92959eac1ea6e935fcd1851925ce 100644
--- a/input/grid5000/sites/grenoble/clusters/drac/drac.yaml
+++ b/input/grid5000/sites/grenoble/clusters/drac/drac.yaml
@@ -10,7 +10,7 @@ nodes:
   drac-[1-12]:
     processor:
       microarchitecture: POWER8NVL
-      clock_speed: 0
+      clock_speed: 4000000000
     architecture:
       nb_cores: 20
       nb_procs: 2