GPU parameter tuning

modules/maskrcnn_train.sh

@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# Set whether to use GPU tuning or not
+USE_GPU_TUNING=true
+
 # Get script dir
 SCRIPT_DIR=$(cd $(dirname $0); pwd)
 
@@ -29,7 +32,7 @@ if [ ! -f "$COCO_CONFIG_FILE" ]; then
 fi
 
 # Download the base config file if it doesn't exist
-if [ ! -f "$BASE_CONFIG_FILE" ]; then
+if [ ! -f "$BASE_CONFIG_FILE" ];then
     echo "Downloading Base-RCNN-FPN.yaml configuration file..."
     wget $BASE_CONFIG_URL -O $BASE_CONFIG_FILE
 fi
@@ -39,6 +42,33 @@ if [ ! -f "$TRAIN_NET_FILE" ]; then
     echo "Downloading train_net.py file..."
     wget $TRAIN_NET_URL -O $TRAIN_NET_FILE
 fi
+
+# Default values
+IMS_PER_BATCH=2
+BATCH_SIZE_PER_IMAGE=512
+BASE_LR=0.00025
+
+# If USE_GPU_TUNING is true, adjust parameters based on GPU memory
+if [ "$USE_GPU_TUNING" = true ]; then
+    # Get the GPU memory in MB
+    GPU_MEMORY=$(nvidia-smi --query-gpu=memory.total --format=csv,noheader,nounits | head -n 1)
+
+    # Set the batch size and learning rate based on GPU memory
+    if [ "$GPU_MEMORY" -ge 24576 ]; then
+        IMS_PER_BATCH=8   # For 24GB+ GPUs
+        BATCH_SIZE_PER_IMAGE=512
+    elif [ "$GPU_MEMORY" -ge 12288 ]; then
+        IMS_PER_BATCH=4   # For 12GB+ GPUs
+        BATCH_SIZE_PER_IMAGE=256
+    else
+        IMS_PER_BATCH=2   # For smaller GPUs
+        BATCH_SIZE_PER_IMAGE=128
+    fi
+
+    # Adjust learning rate based on batch size
+    BASE_LR=$(echo "0.00025 * $IMS_PER_BATCH / 2" | bc -l)
+fi
+
 # Function to extract the number of classes from COCO annotation and run training
 python3 - <<END
 import os
@@ -77,10 +107,10 @@ cfg = get_cfg()
 cfg.merge_from_file("$COCO_CONFIG_FILE")
 cfg.DATASETS.TRAIN = ("coco_roboone_train",)
 cfg.DATASETS.TEST = ("coco_roboone_val",)
-cfg.SOLVER.IMS_PER_BATCH = 2
-cfg.SOLVER.BASE_LR = 0.00025
+cfg.SOLVER.IMS_PER_BATCH = $IMS_PER_BATCH
+cfg.SOLVER.BASE_LR = $BASE_LR
 cfg.SOLVER.MAX_ITER = 1000
-cfg.MODEL.ROI_HEADS.BATCH_SIZE_PER_IMAGE = 512
+cfg.MODEL.ROI_HEADS.BATCH_SIZE_PER_IMAGE = $BATCH_SIZE_PER_IMAGE
 cfg.MODEL.ROI_HEADS.NUM_CLASSES = num_classes  # Automatically set based on dataset
 cfg.OUTPUT_DIR = "$OUTPUT_DIR"