Files
nodarium/app/src/lib/runtime/runtime-executor.ts
2026-02-17 13:49:09 +01:00

315 lines
8.5 KiB
TypeScript

import type {
Graph,
NodeDefinition,
NodeInput,
NodeRegistry,
RuntimeExecutor,
SyncCache
} from '@nodarium/types';
import {
concatEncodedArrays,
createLogger,
encodeFloat,
fastHashArrayBuffer,
type PerformanceStore
} from '@nodarium/utils';
import type { RuntimeNode } from './types';
const log = createLogger('runtime-executor');
log.mute();
function getValue(input: NodeInput, value?: unknown) {
if (value === undefined && 'value' in input) {
value = input.value;
}
if (input.type === 'float') {
return encodeFloat(value as number);
}
if (Array.isArray(value)) {
if (input.type === 'vec3' || input.type === 'shape') {
return [
0,
value.length + 1,
...value.map((v) => encodeFloat(v)),
1,
1
] as number[];
}
return [0, value.length + 1, ...value, 1, 1] as number[];
}
if (typeof value === 'boolean') {
return value ? 1 : 0;
}
if (typeof value === 'number') {
return value;
}
if (value instanceof Int32Array) {
return value;
}
console.error({ input, value });
throw new Error(`Unknown input type ${input.type}`);
}
export class MemoryRuntimeExecutor implements RuntimeExecutor {
private definitionMap: Map<string, NodeDefinition> = new Map();
private seed = Math.floor(Math.random() * 100000000);
private debugData: Record<number, { type: string; data: Int32Array }> = {};
perf?: PerformanceStore;
private results: Record<string, Int32Array> = {};
constructor(
private registry: NodeRegistry,
public cache?: SyncCache<Int32Array>
) {
this.cache = undefined;
}
private async getNodeDefinitions(graph: Graph) {
if (this.registry.status !== 'ready') {
throw new Error('Node registry is not ready');
}
await this.registry.load(graph.nodes.map((node) => node.type));
const typeMap = new Map<string, NodeDefinition>();
for (const node of graph.nodes) {
if (!typeMap.has(node.type)) {
const type = this.registry.getNode(node.type);
if (type) {
typeMap.set(node.type, type);
}
}
}
return typeMap;
}
private async addMetaData(graph: Graph) {
// First, lets check if all nodes have a definition
this.definitionMap = await this.getNodeDefinitions(graph);
const graphNodes = graph.nodes.map(node => {
const n = node as RuntimeNode;
n.state = {
depth: 0,
children: [],
parents: [],
inputNodes: {}
};
return n;
});
const outputNode = graphNodes.find((node) => node.type.endsWith('/output'));
if (!outputNode) {
throw new Error('No output node found');
}
const nodeMap = new Map(
graphNodes.map((node) => [node.id, node])
);
// loop through all edges and assign the parent and child nodes to each node
for (const edge of graph.edges) {
const [parentId, /*_parentOutput*/, childId, childInput] = edge;
const parent = nodeMap.get(parentId);
const child = nodeMap.get(childId);
if (parent && child) {
parent.state.children.push(child);
child.state.parents.push(parent);
child.state.inputNodes[childInput] = parent;
}
}
const nodes = new Map<number, RuntimeNode>();
// loop through all the nodes and assign each nodes its depth
const stack = [outputNode, ...graphNodes.filter(n => n.type.endsWith('/debug'))];
while (stack.length) {
const node = stack.pop();
if (!node) continue;
for (const parent of node.state.parents) {
parent.state = parent.state || {};
parent.state.depth = node.state.depth + 1;
stack.push(parent);
}
nodes.set(node.id, node);
}
for (const node of graphNodes) {
if (node.type.endsWith('/debug')) {
node.state = node.state || {};
const parent = node.state.parents[0];
if (parent) {
node.state.depth = parent.state.depth - 1;
parent.state.debugNode = true;
}
nodes.set(node.id, node);
}
}
const _nodes = [...nodes.values()];
return [outputNode, _nodes] as const;
}
async execute(graph: Graph, settings: Record<string, unknown>) {
this.perf?.addPoint('runtime');
let a = performance.now();
this.debugData = {};
// Then we add some metadata to the graph
const [outputNode, nodes] = await this.addMetaData(graph);
let b = performance.now();
this.perf?.addPoint('collect-metadata', b - a);
/*
* Here we sort the nodes into buckets, which we then execute one by one
* +-b2-+-b1-+---b0---+
* | | | |
* | n3 | n2 | Output |
* | n6 | n4 | Level |
* | | n5 | |
* | | | |
* +----+----+--------+
*/
// we execute the nodes from the bottom up
const sortedNodes = nodes.sort(
(a, b) => (b.state?.depth || 0) - (a.state?.depth || 0)
);
// here we store the intermediate results of the nodes
this.results = {};
if (settings['randomSeed']) {
this.seed = Math.floor(Math.random() * 100000000);
}
for (const node of sortedNodes) {
const node_type = this.definitionMap.get(node.type)!;
if (!node_type || !node.state || !node_type.execute) {
log.warn(`Node ${node.id} has no definition`);
continue;
}
a = performance.now();
// Collect the inputs for the node
const inputs = Object.entries(node_type.inputs || {}).map(
([key, input]) => {
if (input.type === 'seed') {
return this.seed;
}
// If the input is linked to a setting, we use that value
if (input.setting) {
return getValue(input, settings[input.setting]);
}
// check if the input is connected to another node
const inputNode = node.state.inputNodes[key];
if (inputNode) {
if (this.results[inputNode.id] === undefined) {
throw new Error(
`Node ${node.type} is missing input from node ${inputNode.type}`
);
}
return this.results[inputNode.id];
}
// If the value is stored in the node itself, we use that value
if (node.props?.[key] !== undefined) {
return getValue(input, node.props[key]);
}
return getValue(input);
}
);
b = performance.now();
this.perf?.addPoint('collected-inputs', b - a);
try {
a = performance.now();
const encoded_inputs = concatEncodedArrays(inputs);
b = performance.now();
this.perf?.addPoint('encoded-inputs', b - a);
a = performance.now();
const inputHash = `node-${node.id}-${fastHashArrayBuffer(encoded_inputs)}`;
b = performance.now();
this.perf?.addPoint('hash-inputs', b - a);
const cachedValue = this.cache?.get(inputHash);
if (cachedValue !== undefined) {
log.log(`Using cached value for ${node_type.id || node.id}`);
this.perf?.addPoint('cache-hit', 1);
results[node.id] = cachedValue as Int32Array;
if (node.state.debugNode && node_type.outputs) {
this.debugData[node.id] = {
type: node_type.outputs[0],
data: cachedValue
};
}
continue;
}
this.perf?.addPoint('cache-hit', 0);
log.group(`executing ${node_type.id}-${node.id}`);
log.log(`Inputs:`, inputs);
a = performance.now();
results[node.id] = node_type.execute(encoded_inputs);
if (node.state.debugNode && node_type.outputs) {
this.debugData[node.id] = {
type: node_type.outputs[0],
data: results[node.id]
};
}
log.log('Executed', node.type, node.id);
b = performance.now();
if (this.cache && node.id !== outputNode.id) {
this.cache.set(inputHash, this.results[node.id]);
}
this.perf?.addPoint('node/' + node_type.id, b - a);
log.log('Result:', results[node.id]);
log.groupEnd();
} catch (e) {
log.groupEnd();
log.error(`Error executing node ${node_type.id || node.id}`, e);
}
}
// return the result of the parent of the output node
const res = this.results[outputNode.id];
if (this.cache) {
this.cache.size = sortedNodes.length * 2;
}
this.perf?.endPoint('runtime');
return res as unknown as Int32Array;
}
getDebugData() {
return this.debugData;
}
getPerformanceData() {
return this.perf?.get();
}
}