diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-1.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-1.json
index 3c0347568fff15cbcfeb6e832f4de8f751bd813a..71e8bf7db4fd39d23ca8a9b939d2f359d73413cb 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-1.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-1.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-10.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-10.json
index a5318157a91c8088b987f2c7a0b3ef0231bea48c..b4ea13b5454c7b3ceb662942c78591f8197b0b8b 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-10.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-10.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-11.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-11.json
index 17689002bb083188a06405026cd904173a49c4cd..e4695a7900141d743025fa263ab9f99ee72faacc 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-11.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-11.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json
index 6be8e98dadb57d0fe97c5a960f2b77e87bc59a8f..1b8db00dc93b3a79394ac4f7f9240ead8c9a61ba 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-13.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-13.json
index 09c0a09ef255c6d3189a62b6e5351fc7b38cf237..bc4f54994d3a8603d772540180d7e97a2aa05cec 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-13.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-13.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-14.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-14.json
index d41cd00148d7ccc4a698b77069986c84e9d64e21..f01c99080c52a0d3b0b41aa5ebe50f3335eb9ff6 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-14.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-14.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json
index 69e79e0027d8d6a9f8ec8c95db65c8ffde0cd10a..376aa2b90024ec298f54de44b63da8e405cea059 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json
index 342a42ce77c200c5e744cd3e574276c3f2fe7b4b..33e14c5e5d3db5fae7fc5558db978e0e677654b8 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-17.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-17.json
index aae1f183fbc2a681583bffaaecffe173fbf79618..ff7960a9d09d43442aec3477647a5ace59e8e56e 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-17.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-17.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json
index a6fb003fe9b119616a80974dfd2e983c3207949c..31d2490cd36673042dbb76bb1c13cdffd9007daf 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-19.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-19.json
index 119824091b63f144999f6f0918f9575d242042c4..d3062924d3dd57001779d94051c448bc4d7a1805 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-19.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-19.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json
index b164c3c6cb7b486e3cc315c73f970cecdc9ab5d7..6e98b6bd7ec7b14a9c455f779738ca2069d821b4 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json
index 6928ba4ac3f9c3485f225771142c6aa509ff21e6..c72f7d9dbb6b602225be3b6b558c8fa98f4f9ab5 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json
index 9f0c3db34ed2765399a86256d42ccc32bdd199e7..3f20a9ba7d100b38fd450b81eccc775d364719e4 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-22.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-22.json
index e34e60bd740de7bb852533c174046542b4da3fab..fabdf0ea591468a90b58c819e7f856eeeaff8fad 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-22.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-22.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json
index 7b3afe1a3c952835e5cb85778af3a13a81faa717..2af464d027be1334098e25b4ea1351f27a8f34d2 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json
index 21d86606107b7fa8b4ac34657754c6ab0a903d84..e2d59a535d8cfb5a6b9b1238445f1eb09bf47928 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-5.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-5.json
index 8cb22d5dc21d1cad078ce90252e77d30de84dc2d..d81879fa07b4181ec2592fd25bea1528d206c68d 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-5.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-5.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json
index 7483829c6442bc8dfdb0f9344a7c27ec8c7b0e2e..67f00ee2d329f26e2edd66fb24694cba2fb54988 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-7.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-7.json
index 4a303e12518ae8f19fd5288e7094683c8d796f43..6f271831a00de98d35071cf82bac826f2d090134 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-7.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-7.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-8.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-8.json
index 77c3cf2c9c318655f4b239c27cd23bd5c5489237..026380ee42b71ed9ebc65449847e41cdc22a7e22 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-8.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-8.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json
index 901eb81536b94fe458abb512eeda748c4becb467..39986abfa81cf68dd1a5f1f74ee8dba412358cd9 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json
@@ -22,7 +22,7 @@
     "gpu": false
   },
   "main_memory": {
-    "ram_size": 16864227328,
+    "ram_size": 16864071680,
     "virtual_size": null
   },
   "monitoring": {
diff --git a/generators/input/sites/luxembourg/clusters/granduc.yaml b/generators/input/sites/luxembourg/clusters/granduc.yaml
index 641f5d908402e7959d6889a13ab4d163803e0945..9cb43df16a54b31ef4704282a42854906e4d2721 100644
--- a/generators/input/sites/luxembourg/clusters/granduc.yaml
+++ b/generators/input/sites/luxembourg/clusters/granduc.yaml
@@ -69,7 +69,7 @@ granduc-1:
     manufacturer: Dell Inc.
     product_name: PowerEdge 1950
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -166,7 +166,7 @@ granduc-2:
     instruction_set: x86-64
     cache_l1i: 32768
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   architecture:
     smp_size: 2
     platform_type: x86_64
@@ -241,7 +241,7 @@ granduc-3:
   supported_job_types:
     virtual: ivt
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -327,7 +327,7 @@ granduc-4:
     manufacturer: Dell Inc.
     product_name: PowerEdge 1950
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -424,7 +424,7 @@ granduc-5:
     instruction_set: x86-64
     cache_l1i: 32768
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   architecture:
     smp_size: 2
     platform_type: x86_64
@@ -499,7 +499,7 @@ granduc-6:
   supported_job_types:
     virtual: ivt
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -585,7 +585,7 @@ granduc-7:
   supported_job_types:
     virtual: ivt
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -682,7 +682,7 @@ granduc-8:
     instruction_set: x86-64
     cache_l1i: 32768
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   architecture:
     smp_size: 2
     platform_type: x86_64
@@ -768,7 +768,7 @@ granduc-9:
     instruction_set: x86-64
     cache_l1i: 32768
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   architecture:
     smp_size: 2
     platform_type: x86_64
@@ -843,7 +843,7 @@ granduc-10:
   supported_job_types:
     virtual: ivt
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -933,7 +933,7 @@ granduc-11:
     manufacturer: Dell Inc.
     product_name: PowerEdge 1950
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -1019,7 +1019,7 @@ granduc-12:
     manufacturer: Dell Inc.
     product_name: PowerEdge 1950
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -1105,7 +1105,7 @@ granduc-13:
   supported_job_types:
     virtual: ivt
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -1191,7 +1191,7 @@ granduc-14:
     manufacturer: Dell Inc.
     product_name: PowerEdge 1950
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -1277,7 +1277,7 @@ granduc-15:
     manufacturer: Dell Inc.
     product_name: PowerEdge 1950
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -1366,7 +1366,7 @@ granduc-16:
   supported_job_types:
     virtual: ivt
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -1456,7 +1456,7 @@ granduc-17:
   supported_job_types:
     virtual: ivt
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -1546,7 +1546,7 @@ granduc-18:
   supported_job_types:
     virtual: ivt
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -1636,7 +1636,7 @@ granduc-19:
   supported_job_types:
     virtual: ivt
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   processor:
     model: Intel Xeon
     cache_l1d: 32768
@@ -1737,7 +1737,7 @@ granduc-20:
     instruction_set: x86-64
     cache_l1i: 32768
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   architecture:
     smp_size: 2
     platform_type: x86_64
@@ -1827,7 +1827,7 @@ granduc-21:
     instruction_set: x86-64
     cache_l1i: 32768
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   architecture:
     smp_size: 2
     platform_type: x86_64
@@ -1917,7 +1917,7 @@ granduc-22:
     instruction_set: x86-64
     cache_l1i: 32768
   main_memory:
-    ram_size: 16864227328
+    ram_size: 16864071680
   architecture:
     smp_size: 2
     platform_type: x86_64