explicitly use python3 because some OSs will not have python alias to python3, allow batch size 1

setup-cuda.sh

@@ -2,12 +2,13 @@
 git submodule init
 git submodule update
 
-python -m venv venv
+python3 -m venv venv
 source ./venv/bin/activate
-python -m pip install --upgrade pip
+python3 -m pip install --upgrade pip
+# CUDA
 pip install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cu116
-python -m pip install -r ./dlas/requirements.txt
-python -m pip install -r ./tortoise-tts/requirements.txt
-python -m pip install -r ./requirements.txt
-python -m pip install -e ./tortoise-tts/
+python3 -m pip install -r ./dlas/requirements.txt
+python3 -m pip install -r ./tortoise-tts/requirements.txt
+python3 -m pip install -r ./requirements.txt
+python3 -m pip install -e ./tortoise-tts/
 deactivate

setup-rocm.sh

@@ -2,13 +2,13 @@
 git submodule init
 git submodule update
 
-python -m venv venv
+python3 -m venv venv
 source ./venv/bin/activate
-python -m pip install --upgrade pip
+python3 -m pip install --upgrade pip
 # ROCM
 pip install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/rocm5.1.1 # 5.2 does not work for me desu
-python -m pip install -r ./dlas/requirements.txt
-python -m pip install -r ./tortoise-tts/requirements.txt
-python -m pip install -r ./requirements.txt
-python -m pip install -e ./tortoise-tts/
+python3 -m pip install -r ./dlas/requirements.txt
+python3 -m pip install -r ./tortoise-tts/requirements.txt
+python3 -m pip install -r ./requirements.txt
+python3 -m pip install -e ./tortoise-tts/
 deactivate

src/utils.py

@@ -575,14 +575,17 @@ def optimize_training_settings( epochs, batch_size, learning_rate, learning_rate
 		batch_size = lines
 		messages.append(f"Batch size is larger than your dataset, clamping batch size to: {batch_size}")	
 
-	if batch_size / mega_batch_factor < 2:
-		mega_batch_factor = int(batch_size / 2)
-		messages.append(f"Mega batch factor is too large for the given batch size, clamping mega batch factor to: {mega_batch_factor}")
-
 	if batch_size % lines != 0:
 		nearest_slice = int(lines / batch_size) + 1
 		batch_size = int(lines / nearest_slice)
 		messages.append(f"Batch size not neatly divisible by dataset size, adjusting batch size to: {batch_size} ({nearest_slice} steps per epoch)")
+	
+	if batch_size == 1 and mega_batch_factor != 1:
+		mega_batch_factor = 1
+		messages.append(f"Mega batch factor is too large for the given batch size, clamping mega batch factor to: {mega_batch_factor}")
+	elif batch_size / mega_batch_factor < 2:
+		mega_batch_factor = int(batch_size / 2)
+		messages.append(f"Mega batch factor is too large for the given batch size, clamping mega batch factor to: {mega_batch_factor}")
 
 	iterations = calc_iterations(epochs=epochs, lines=lines, batch_size=batch_size)
 

update.sh

@@ -2,14 +2,14 @@
 git pull
 git submodule update
 
-python -m venv venv
+python3 -m venv venv
 source ./venv/bin/activate
 
-python -m pip install --upgrade pip
-python -m pip install -r ./dlas/requirements.txt
-python -m pip install -r ./tortoise-tts/requirements.txt
-python -m pip install -e ./tortoise-tts 
-python -m pip install -r ./requirements.txt
+python3 -m pip install --upgrade pip
+python3 -m pip install -r ./dlas/requirements.txt
+python3 -m pip install -r ./tortoise-tts/requirements.txt
+python3 -m pip install -e ./tortoise-tts 
+python3 -m pip install -r ./requirements.txt
 
 
 deactivate