diff --git a/README.md b/README.md
index 02e2adce928d6581793694f2abec9905ffa607eb..2c46cecfc818e3490a03da3f8c9870a8a25a2dbf 100644
--- a/README.md
+++ b/README.md
@@ -198,8 +198,6 @@ cat config_instances_CPU.json
 - instance "`1`": fedAvg, cifar10, dvfs with min and max CPU freq, 1 round.
 - instance "`2`": fedAvg2Clients, cifar10, dvfs with min and max CPU freq, 1 round.
 
-Total test time is about 5 minutes.
-
 ### Step 3. Collect IP
 
 Run the following command to collect/generate a node list:
@@ -224,14 +222,16 @@ Run a campaign with all instances (`1` and `2`), and 2 repetitions:
 python3 measure_campaign.py -x CampaignTest -c config_instances_CPU.json -r 2
 ```
 
+**Note**: Running single instance takes about 6 mins (1 round (80s) * 2 repetitions * 2 freqs = 320s). Running a campaign (2 instances) takes about 12 mins. 
+
 ### Step 5. Output
 
 The logs and energy monitoring data will be saved in the directory specified in the JSON configuration.
 
-Output dir structure:
+Output dir structure for demo single instance: Log/Flower_SingleTest/Flower_instance_Flower_instance_fedAvg_cifar10
 
 ```plaintext
-Log/Flower_CampaignTest
+Log/Flower_SingleTest
 ├── Flower_instance_Flower_instance_fedAvg_cifar10
 │   ├── Expetator
 |   |   ├── config_instance_1.json
@@ -245,10 +245,15 @@ Log/Flower_CampaignTest
 │   ├── Flwr_<timestamp>
 │   │   ├── Client_<ip>
 │   │   ├── Server_<ip>
-│── Flower_instance_Flower_instance_fedAvg2Clients_cifar10
 ...
 ```
+Output dir structure for demo campaign, includes 2 folders for 2 instances:
 
+```plaintext
+Log/Flower_CampaignTest
+├── Flower_instance_Flower_instance_fedAvg_cifar10
+├── Flower_instance_Flower_instance_fedAvg2Clients_cifar10
+...
 ### Step 6. Clean Up
 
 After the experiment, exit the host and kill job if needed:
diff --git a/Run/config_instances.json b/Run/config_instances.json
index 924bd9b64111593e4bbb84de67acfc10532d731c..8617efb40033c33a1a4204eea49959decce1b721 100644
--- a/Run/config_instances.json
+++ b/Run/config_instances.json
@@ -6,13 +6,13 @@
             "dvfs_cpu": {
                 "dummy": false,
                 "baseline": false,
-                "frequencies": null
+                "frequencies": [1200000,1500000,1800000,2100000]
             },
             "server": {
                 "command": "python3",
                 "args": [
                     "./Flower_v1/server_1.py",
-                    "-r 1",
+                    "-r 15",
                     "-s fedAvg"
                 ],
                 "ip": "172.16.66.76",
@@ -56,128 +56,18 @@
             ]
         },
         "2": {
-            "instance": "fedAvg_cifar100",
-            "output_dir": "./Log",
-            "dvfs_cpu": {
-                "dummy": true,
-                "baseline": false,
-                "frequencies": null
-            },
-            "server": {
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/server_1.py",
-                    "-r 1",
-                    "-s fedAvg"
-                ],
-                "ip": "172.16.66.76",
-                "modules": ["logger"],
-                "port": 8080
-            },
-            "clients": [
-            {
-                "name": "client1",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "cifar100",
-                    "0",
-                    "3"
-                ],
-                "ip": "172.16.66.77"
-            },
-            {
-                "name": "client2",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "cifar100",
-                    "1",
-                    "3"
-                ],
-                "ip": "172.16.66.78"
-            },
-            {
-                "name": "client3",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "cifar100",
-                    "2",
-                    "3"
-                ],
-                "ip": "172.16.66.79"
-            }
-            ]
-        },
-        "3": {
-            "instance": "fedAvg_mnist",
-            "output_dir": "./Log",
-            "dvfs_cpu": {
-                "dummy": true,
-                "baseline": false,
-                "frequencies": null
-            },
-            "server": {
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/server_1.py",
-                    "-r 1",
-                    "-s fedAvg"
-                ],
-                "ip": "172.16.66.76",
-                "modules": ["logger"],
-                "port": 8080
-            },
-            "clients": [
-            {
-                "name": "client1",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "mnist",
-                    "0",
-                    "3"
-                ],
-                "ip": "172.16.66.77"
-            },
-            {
-                "name": "client2",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "mnist",
-                    "1",
-                    "3"
-                ],
-                "ip": "172.16.66.78"
-            },
-            {
-                "name": "client3",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "mnist",
-                    "2",
-                    "3"
-                ],
-                "ip": "172.16.66.79"
-            }
-            ]
-        },
-        "4": {
             "instance": "fedAvg2Clients_cifar10",
             "output_dir": "./Log",
             "dvfs_cpu": {
-                "dummy": true,
+                "dummy": false,
                 "baseline": false,
-                "frequencies": null
+                "frequencies": [1200000,1500000,1800000,2100000]
             },
             "server": {
                 "command": "python3",
                 "args": [
                     "./Flower_v1/server_1.py",
-                    "-r 1",
+                    "-r 15",
                     "-s fedAvg2Clients"
                 ],
                 "ip": "172.16.66.76",
@@ -219,116 +109,6 @@
                 "ip": "172.16.66.79"
             }
             ]
-        },
-        "5": {
-            "instance": "fedAvg2Clients_cifar100",
-            "output_dir": "./Log",
-            "dvfs_cpu": {
-                "dummy": true,
-                "baseline": false,
-                "frequencies": null
-            },
-            "server": {
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/server_1.py",
-                    "-r 1",
-                    "-s fedAvg2Clients"
-                ],
-                "ip": "172.16.66.76",
-                "modules": ["logger"],
-                "port": 8080
-            },
-            "clients": [
-            {
-                "name": "client1",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "cifar100",
-                    "0",
-                    "3"
-                ],
-                "ip": "172.16.66.77"
-            },
-            {
-                "name": "client2",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "cifar100",
-                    "1",
-                    "3"
-                ],
-                "ip": "172.16.66.78"
-            },
-            {
-                "name": "client3",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "cifar100",
-                    "2",
-                    "3"
-                ],
-                "ip": "172.16.66.79"
-            }
-            ]
-        },
-        "6": {
-            "instance": "fedAvg2Clients_mnist",
-            "output_dir": "./Log",
-            "dvfs_cpu": {
-                "dummy": true,
-                "baseline": false,
-                "frequencies": null
-            },
-            "server": {
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/server_1.py",
-                    "-r 1",
-                    "-s fedAvg2Clients"
-                ],
-                "ip": "172.16.66.76",
-                "modules": ["logger"],
-                "port": 8080
-            },
-            "clients": [
-            {
-                "name": "client1",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "mnist",
-                    "0",
-                    "3"
-                ],
-                "ip": "172.16.66.77"
-            },
-            {
-                "name": "client2",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "mnist",
-                    "1",
-                    "3"
-                ],
-                "ip": "172.16.66.78"
-            },
-            {
-                "name": "client3",
-                "command": "python3",
-                "args": [
-                    "./Flower_v1/client_1.py",
-                    "mnist",
-                    "2",
-                    "3"
-                ],
-                "ip": "172.16.66.79"
-            }
-            ]
         }
     }
 }
\ No newline at end of file