diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
index ed049916a029da25e961fee89c9b24f42e480aba..7a381d304760bdf8a29bda2f55584132db7dcc09 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
@@ -19,6 +19,7 @@
   },
   "gpu_devices": {
     "nvidia0": {
+      "cores_affinity": "0 16 8 24 4 20 12 28",
       "cpu_affinity": 0,
       "device": "/dev/nvidia0",
       "memory": 15079000000,
@@ -28,6 +29,7 @@
       "vendor": "Nvidia"
     },
     "nvidia1": {
+      "cores_affinity": "2 18 10 26 6 22 14 30",
       "cpu_affinity": 0,
       "device": "/dev/nvidia1",
       "memory": 15079000000,
@@ -37,6 +39,7 @@
       "vendor": "Nvidia"
     },
     "nvidia2": {
+      "cores_affinity": "1 17 9 25 7 23 15 31",
       "cpu_affinity": 1,
       "device": "/dev/nvidia2",
       "memory": 15079000000,
@@ -46,6 +49,7 @@
       "vendor": "Nvidia"
     },
     "nvidia3": {
+      "cores_affinity": "3 19 11 27 5 21 13 29",
       "cpu_affinity": 1,
       "device": "/dev/nvidia3",
       "memory": 15079000000,
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json
index baeeeb38950cadc9fe8100ed573fd2ac54657c98..71e8371302ed28ef880f0ccdccbbd870b2dcbab3 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json
@@ -19,6 +19,7 @@
   },
   "gpu_devices": {
     "nvidia0": {
+      "cores_affinity": "0 16 8 24 4 20 12 28",
       "cpu_affinity": 0,
       "device": "/dev/nvidia0",
       "memory": 15079000000,
@@ -28,6 +29,7 @@
       "vendor": "Nvidia"
     },
     "nvidia1": {
+      "cores_affinity": "2 18 10 26 6 22 14 30",
       "cpu_affinity": 0,
       "device": "/dev/nvidia1",
       "memory": 15079000000,
@@ -37,6 +39,7 @@
       "vendor": "Nvidia"
     },
     "nvidia2": {
+      "cores_affinity": "1 17 9 25 7 23 15 31",
       "cpu_affinity": 1,
       "device": "/dev/nvidia2",
       "memory": 15079000000,
@@ -46,6 +49,7 @@
       "vendor": "Nvidia"
     },
     "nvidia3": {
+      "cores_affinity": "3 19 11 27 5 21 13 29",
       "cpu_affinity": 1,
       "device": "/dev/nvidia3",
       "memory": 15079000000,
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json
index d83ede6894fd0c6ddde09f1e36710415c690672a..6e55c59e4480b956b60850853333ff3ac688bd8f 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json
@@ -19,6 +19,7 @@
   },
   "gpu_devices": {
     "nvidia0": {
+      "cores_affinity": "0 16 8 24 4 20 12 28",
       "cpu_affinity": 0,
       "device": "/dev/nvidia0",
       "memory": 15079000000,
@@ -28,6 +29,7 @@
       "vendor": "Nvidia"
     },
     "nvidia1": {
+      "cores_affinity": "2 18 10 26 6 22 14 30",
       "cpu_affinity": 0,
       "device": "/dev/nvidia1",
       "memory": 15079000000,
@@ -37,6 +39,7 @@
       "vendor": "Nvidia"
     },
     "nvidia2": {
+      "cores_affinity": "1 17 9 25 7 23 15 31",
       "cpu_affinity": 1,
       "device": "/dev/nvidia2",
       "memory": 15079000000,
@@ -46,6 +49,7 @@
       "vendor": "Nvidia"
     },
     "nvidia3": {
+      "cores_affinity": "3 19 11 27 5 21 13 29",
       "cpu_affinity": 1,
       "device": "/dev/nvidia3",
       "memory": 15079000000,
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json
index 9b661b41d4baa24d070eb413edd00385b56b4551..a79d2c62ff2d390eb622d181e617b62188af3a6e 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json
@@ -19,6 +19,7 @@
   },
   "gpu_devices": {
     "nvidia0": {
+      "cores_affinity": "0 16 8 24 4 20 12 28",
       "cpu_affinity": 0,
       "device": "/dev/nvidia0",
       "memory": 15079000000,
@@ -28,6 +29,7 @@
       "vendor": "Nvidia"
     },
     "nvidia1": {
+      "cores_affinity": "2 18 10 26 6 22 14 30",
       "cpu_affinity": 0,
       "device": "/dev/nvidia1",
       "memory": 15079000000,
@@ -37,6 +39,7 @@
       "vendor": "Nvidia"
     },
     "nvidia2": {
+      "cores_affinity": "1 17 9 25 7 23 15 31",
       "cpu_affinity": 1,
       "device": "/dev/nvidia2",
       "memory": 15079000000,
@@ -46,6 +49,7 @@
       "vendor": "Nvidia"
     },
     "nvidia3": {
+      "cores_affinity": "3 19 11 27 5 21 13 29",
       "cpu_affinity": 1,
       "device": "/dev/nvidia3",
       "memory": 15079000000,
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json
index 2698071d3d54fdfdb894108fc86f877c404e569b..cc149b67328a90881976f974493bd11bdfdcc340 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json
@@ -19,6 +19,7 @@
   },
   "gpu_devices": {
     "nvidia0": {
+      "cores_affinity": "0 16 8 24 4 20 12 28",
       "cpu_affinity": 0,
       "device": "/dev/nvidia0",
       "memory": 15079000000,
@@ -28,6 +29,7 @@
       "vendor": "Nvidia"
     },
     "nvidia1": {
+      "cores_affinity": "2 18 10 26 6 22 14 30",
       "cpu_affinity": 0,
       "device": "/dev/nvidia1",
       "memory": 15079000000,
@@ -37,6 +39,7 @@
       "vendor": "Nvidia"
     },
     "nvidia2": {
+      "cores_affinity": "1 17 9 25 7 23 15 31",
       "cpu_affinity": 1,
       "device": "/dev/nvidia2",
       "memory": 15079000000,
@@ -46,6 +49,7 @@
       "vendor": "Nvidia"
     },
     "nvidia3": {
+      "cores_affinity": "3 19 11 27 5 21 13 29",
       "cpu_affinity": 1,
       "device": "/dev/nvidia3",
       "memory": 15079000000,