Update logic for increasing height

This commit is contained in:
vandomej 2024-03-11 15:37:52 -07:00
parent 69b026593e
commit ca3989421d
3 changed files with 68 additions and 62 deletions

View file

@ -56,15 +56,15 @@ fn main() -> anyhow::Result<()> {
let mut gemla = log_error(Gemla::<FighterNN>::new(
&PathBuf::from(args.file),
GemlaConfig {
generations_per_node: 3,
overwrite: true,
generations_per_height: 3,
overwrite: false,
},
DataFormat::Json,
))?;
log_error(gemla.simulate(3).await)?;
Ok(())
loop {
log_error(gemla.simulate(5).await)?;
}
})
});

View file

@ -40,26 +40,30 @@ impl GeneticNode for FighterNN {
// Check for the highest number of the folder name and increment it by 1
fn initialize(context: &GeneticNodeContext) -> Result<Box<Self>, Error> {
let base_path = PathBuf::from(BASE_DIR);
let mut folder = base_path.join(format!("fighter_nn_{:06}", context.id));
fs::create_dir(&folder)?;
//Create a new directory for the first generation
let folder = base_path.join(format!("fighter_nn_{:06}", context.id));
// Ensures directory is created if it doesn't exist and does nothing if it exists
fs::create_dir_all(&folder)
.with_context(|| format!("Failed to create or access the folder: {:?}", folder))?;
//Create a new directory for the first generation, using create_dir_all to avoid errors if it already exists
let gen_folder = folder.join("0");
fs::create_dir(&gen_folder)?;
fs::create_dir_all(&gen_folder)
.with_context(|| format!("Failed to create or access the generation folder: {:?}", gen_folder))?;
// Create the first generation in this folder
for i in 0..POPULATION {
// Filenames are stored in the format of "xxxxxx_fighter_nn_0.net", "xxxxxx_fighter_nn_1.net", etc. Where xxxxxx is the folder name
let nn = gen_folder.join(format!("{:06}_fighter_nn_{}.net", context.id, i));
let mut fann = Fann::new(NEURAL_NETWORK_SHAPE)
.with_context(|| format!("Failed to create nn"))?;
.with_context(|| "Failed to create nn")?;
fann.set_activation_func_hidden(ActivationFunc::SigmoidSymmetric);
fann.set_activation_func_output(ActivationFunc::SigmoidSymmetric);
// This will overwrite any existing file with the same name
fann.save(&nn)
.with_context(|| format!("Failed to save nn"))?;
.with_context(|| format!("Failed to save nn at {:?}", nn))?;
}
Ok(Box::new(FighterNN {
id: context.id,
folder,
@ -114,7 +118,7 @@ impl GeneticNode for FighterNN {
// Create the new generation folder
let new_gen_folder = self.folder.join(format!("{}", self.generation + 1));
fs::create_dir(&new_gen_folder)?;
fs::create_dir_all(&new_gen_folder).with_context(|| format!("Failed to create or access new generation folder: {:?}", new_gen_folder))?;
// Remove the 5 nn's with the lowest scores
let mut sorted_scores: Vec<_> = self.scores[self.generation as usize].iter().collect();
@ -195,44 +199,36 @@ impl GeneticNode for FighterNN {
fn merge(left: &FighterNN, right: &FighterNN, id: &Uuid) -> Result<Box<FighterNN>, Error> {
let base_path = PathBuf::from(BASE_DIR);
// Find next highest
let folder = base_path.join(format!("fighter_nn_{:06}", id));
fs::create_dir(&folder)?;
//Create a new directory for the first generation
let gen_folder = folder.join("0");
fs::create_dir(&gen_folder)?;
// Take the 5 nn's with the highest scores from the left nn's and save them to the new fighter folder
let mut sorted_scores: Vec<_> = left.scores[left.generation as usize].iter().collect();
sorted_scores.sort_by(|a, b| a.1.partial_cmp(b.1).unwrap());
let mut remaining = sorted_scores[(left.population_size / 2)..].iter().map(|(k, _)| *k).collect::<Vec<_>>();
for i in 0..(left.population_size / 2) {
let nn = left.folder.join(format!("{}", left.generation)).join(format!("{:06}_fighter_nn_{}.net", left.id, remaining.pop().unwrap()));
let new_nn = folder.join(format!("0")).join(format!("{:06}_fighter_nn_{}.net", id, i));
trace!("From: {:?}, To: {:?}", &nn, &new_nn);
fs::copy(&nn, &new_nn)
.with_context(|| format!("Failed to copy left nn"))?;
}
// Take the 5 nn's with the highest scores from the right nn's and save them to the new fighter folder
sorted_scores = right.scores[right.generation as usize].iter().collect();
sorted_scores.sort_by(|a, b| a.1.partial_cmp(b.1).unwrap());
remaining = sorted_scores[(right.population_size / 2)..].iter().map(|(k, _)| *k).collect::<Vec<_>>();
for i in (right.population_size / 2)..right.population_size {
let nn = right.folder.join(format!("{}", right.generation)).join(format!("{:06}_fighter_nn_{}.net", right.id, remaining.pop().unwrap()));
let new_nn = folder.join(format!("0")).join(format!("{:06}_fighter_nn_{}.net", id, i));
trace!("From: {:?}, To: {:?}", &nn, &new_nn);
fs::copy(&nn, &new_nn)
.with_context(|| format!("Failed to copy right nn"))?;
}
// Ensure the folder exists, including the generation subfolder.
fs::create_dir_all(&folder.join("0"))
.with_context(|| format!("Failed to create directory {:?}", folder.join("0")))?;
// Function to copy NNs from a source FighterNN to the new folder.
let copy_nns = |source: &FighterNN, folder: &PathBuf, id: &Uuid, start_idx: usize| -> Result<(), Error> {
let mut sorted_scores: Vec<_> = source.scores[source.generation as usize].iter().collect();
sorted_scores.sort_by(|a, b| a.1.partial_cmp(b.1).unwrap());
let remaining = sorted_scores[(source.population_size / 2)..].iter().map(|(k, _)| *k).collect::<Vec<_>>();
for (i, nn_id) in remaining.into_iter().enumerate() {
let nn_path = source.folder.join(source.generation.to_string()).join(format!("{:06}_fighter_nn_{}.net", source.id, nn_id));
let new_nn_path = folder.join("0").join(format!("{:06}_fighter_nn_{}.net", id, start_idx + i));
fs::copy(&nn_path, &new_nn_path)
.with_context(|| format!("Failed to copy nn from {:?} to {:?}", nn_path, new_nn_path))?;
}
Ok(())
};
// Copy the top half of NNs from each parent to the new folder.
copy_nns(left, &folder, id, 0)?;
copy_nns(right, &folder, id, left.population_size as usize / 2)?;
Ok(Box::new(FighterNN {
id: *id,
folder,
generation: 0,
population_size: POPULATION,
population_size: left.population_size, // Assuming left and right have the same population size.
scores: vec![HashMap::new()],
}))
}

View file

@ -55,7 +55,7 @@ type SimulationTree<T> = Box<Tree<GeneticNodeWrapper<T>>>;
/// ```
#[derive(Serialize, Deserialize, Copy, Clone)]
pub struct GemlaConfig {
pub generations_per_node: u64,
pub generations_per_height: u64,
pub overwrite: bool,
}
@ -103,12 +103,22 @@ where
}
pub async fn simulate(&mut self, steps: u64) -> Result<(), Error> {
// Before we can process nodes we must create blank nodes in their place to keep track of which nodes have been processed
// in the tree and which nodes have not.
self.data.mutate(|(d, c)| {
let mut tree: Option<SimulationTree<T>> = Gemla::increase_height(d.take(), c, steps);
mem::swap(d, &mut tree);
})?;
// Only increase height if the tree is uninitialized or completed
if self.tree_ref().is_none() ||
self
.tree_ref()
.map(|t| Gemla::is_completed(t))
.unwrap_or(true)
{
// Before we can process nodes we must create blank nodes in their place to keep track of which nodes have been processed
// in the tree and which nodes have not.
self.data.mutate(|(d, c)| {
let mut tree: Option<SimulationTree<T>> = Gemla::increase_height(d.take(), c, steps);
mem::swap(d, &mut tree);
})?;
}
info!(
"Height of simulation tree increased to {}",
@ -286,16 +296,16 @@ where
if amount == 0 {
tree
} else {
let left_branch_right =
let left_branch_height =
tree.as_ref().map(|t| t.height() as u64).unwrap_or(0) + amount - 1;
Some(Box::new(Tree::new(
GeneticNodeWrapper::new(config.generations_per_node),
GeneticNodeWrapper::new(config.generations_per_height),
Gemla::increase_height(tree, config, amount - 1),
// The right branch height has to equal the left branches total height
if left_branch_right > 0 {
if left_branch_height > 0 {
Some(Box::new(btree!(GeneticNodeWrapper::new(
left_branch_right * config.generations_per_node
left_branch_height * config.generations_per_height
))))
} else {
None
@ -399,7 +409,7 @@ mod tests {
// Testing initial creation
let mut config = GemlaConfig {
generations_per_node: 1,
generations_per_height: 1,
overwrite: true
};
let mut gemla = Gemla::<TestState>::new(&p, config, DataFormat::Json)?;
@ -439,7 +449,7 @@ mod tests {
CleanUp::new(&path).run(|p| {
// Testing initial creation
let config = GemlaConfig {
generations_per_node: 10,
generations_per_height: 10,
overwrite: true
};
let mut gemla = Gemla::<TestState>::new(&p, config, DataFormat::Json)?;