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Automatically remove unused nodes with side effects #2690

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84 changes: 84 additions & 0 deletions src/common/nodes/optimize.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,84 @@
import { Edge, Node } from 'reactflow';
import { EdgeData, NodeData } from '../common-types';
import { SchemaMap } from '../SchemaMap';
import { getEffectivelyDisabledNodes } from './disabled';
import { getNodesWithSideEffects } from './sideEffect';

const trimEdges = (
nodes: Iterable<Node<NodeData>>,
edges: readonly Edge<EdgeData>[]
): Edge<EdgeData>[] => {
const nodeIds = new Set<string>();
for (const n of nodes) {
nodeIds.add(n.id);
}

return edges.filter((e) => nodeIds.has(e.source) && nodeIds.has(e.target));
};

const removeUnusedSideEffectNodes = (
nodes: readonly Node<NodeData>[],
edges: readonly Edge<EdgeData>[],
schemata: SchemaMap
): Node<NodeData>[] => {
// eslint-disable-next-line no-param-reassign
edges = trimEdges(nodes, edges);

const connectedNodes = new Set([...edges.map((e) => e.source), ...edges.map((e) => e.target)]);

return nodes.filter((n) => {
if (connectedNodes.has(n.id)) {
// the node isn't unused
return true;
}

const schema = schemata.get(n.data.schemaId);
if (!schema.hasSideEffects) {
// we only care about nodes with side effects
return true;
}

// if all inputs don't require connections, that's fine too
const requireConnection = schema.inputs.some((i) => i.kind === 'generic' && !i.optional);
if (!requireConnection) {
return true;
}

// the is unused, has side effects, and requires connections
return false;
});
};

interface OptimizedChain {
nodes: Node<NodeData>[];
edges: Edge<EdgeData>[];
report: {
/** How many effectively disabled nodes were removed. */
removedDisabled: number;
/** How many side-effect-free nodes were removed. */
removedSideEffectFree: number;
};
}

export const optimizeChain = (
unoptimizedNodes: readonly Node<NodeData>[],
unoptimizedEdges: readonly Edge<EdgeData>[],
schemata: SchemaMap
): OptimizedChain => {
// remove disabled nodes
const disabledNodes = new Set(getEffectivelyDisabledNodes(unoptimizedNodes, unoptimizedEdges));
const enabledNodes = unoptimizedNodes.filter((n) => !disabledNodes.has(n));

// remove nodes without side effects
let withEffect = getNodesWithSideEffects(enabledNodes, unoptimizedEdges, schemata);
withEffect = removeUnusedSideEffectNodes(withEffect, unoptimizedEdges, schemata);

return {
nodes: withEffect,
edges: trimEdges(withEffect, unoptimizedEdges),
report: {
removedDisabled: disabledNodes.size,
removedSideEffectFree: enabledNodes.length - withEffect.length,
},
};
};
15 changes: 4 additions & 11 deletions src/main/cli/run.ts
Original file line number Diff line number Diff line change
Expand Up @@ -7,10 +7,9 @@ import { applyOverrides, readOverrideFile } from '../../common/input-override';
import { log } from '../../common/log';
import { checkNodeValidity } from '../../common/nodes/checkNodeValidity';
import { getConnectedInputs } from '../../common/nodes/connectedInputs';
import { getEffectivelyDisabledNodes } from '../../common/nodes/disabled';
import { ChainLineage } from '../../common/nodes/lineage';
import { optimizeChain } from '../../common/nodes/optimize';
import { parseFunctionDefinitions } from '../../common/nodes/parseFunctionDefinitions';
import { getNodesWithSideEffects } from '../../common/nodes/sideEffect';
import { toBackendJson } from '../../common/nodes/toBackendJson';
import { TypeState } from '../../common/nodes/TypeState';
import { SaveFile } from '../../common/SaveFile';
Expand Down Expand Up @@ -214,20 +213,14 @@ export const runChainInCli = async (args: RunArguments) => {
applyOverrides(saveFile.nodes, saveFile.edges, schemata, overrideFile);
}

const disabledNodes = new Set(
getEffectivelyDisabledNodes(saveFile.nodes, saveFile.edges).map((n) => n.id)
);
const nodesToOptimize = saveFile.nodes.filter((n) => !disabledNodes.has(n.id));
const nodes = getNodesWithSideEffects(nodesToOptimize, saveFile.edges, schemata);
const nodesById = new Map(nodes.map((n) => [n.id, n]));
const edges = saveFile.edges.filter((e) => nodesById.has(e.source) && nodesById.has(e.target));
const { nodes, edges, report } = optimizeChain(saveFile.nodes, saveFile.edges, schemata);

// show an error if there are no nodes to run
if (nodes.length === 0) {
let message;
if (nodesToOptimize.length > 0) {
if (report.removedSideEffectFree > 0) {
message = 'There are no nodes that have an effect. Try to view or output images/files.';
} else if (disabledNodes.size > 0) {
} else if (report.removedDisabled > 0) {
message = 'All nodes are disabled. There are no nodes to run.';
} else {
message = 'There are no nodes to run.';
Expand Down
34 changes: 17 additions & 17 deletions src/renderer/contexts/ExecutionContext.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,7 @@ import { log } from '../../common/log';
import { checkFeatures } from '../../common/nodes/checkFeatures';
import { checkNodeValidity } from '../../common/nodes/checkNodeValidity';
import { getConnectedInputs } from '../../common/nodes/connectedInputs';
import { getEffectivelyDisabledNodes } from '../../common/nodes/disabled';
import { getNodesWithSideEffects } from '../../common/nodes/sideEffect';
import { optimizeChain } from '../../common/nodes/optimize';
import { toBackendJson } from '../../common/nodes/toBackendJson';
import { ipcRenderer } from '../../common/safeIpc';
import { getChainnerScope } from '../../common/types/chainner-scope';
Expand Down Expand Up @@ -139,8 +138,16 @@ export const ExecutionProvider = memo(({ children }: React.PropsWithChildren<{}>
setManualOutputType,
clearManualOutputTypes,
} = useContext(GlobalContext);
const { schemata, url, backend, ownsBackend, restartingRef, features, featureStates } =
useContext(BackendContext);
const {
schemata,
url,
backend,
ownsBackend,
restartingRef,
features,
featureStates,
categories,
} = useContext(BackendContext);
const { packageSettings } = useSettings();

const { sendAlert, sendToast } = useContext(AlertBoxContext);
Expand Down Expand Up @@ -345,24 +352,15 @@ export const ExecutionProvider = memo(({ children }: React.PropsWithChildren<{}>
}, [status, nodeChanges, edgeChanges, sendToast]);

const runNodes = useCallback(async () => {
const allNodes = getNodes();
const allEdges = getEdges();

const disabledNodes = new Set(
getEffectivelyDisabledNodes(allNodes, allEdges).map((n) => n.id)
);
const nodesToOptimize = allNodes.filter((n) => !disabledNodes.has(n.id));
const nodes = getNodesWithSideEffects(nodesToOptimize, allEdges, schemata);
const nodeIds = new Set(nodes.map((n) => n.id));
const edges = allEdges.filter((e) => nodeIds.has(e.source) && nodeIds.has(e.target));
const { nodes, edges, report } = optimizeChain(getNodes(), getEdges(), schemata);

// show an error if there are no nodes to run
if (nodes.length === 0) {
let message;
if (nodesToOptimize.length > 0) {
if (report.removedSideEffectFree > 0) {
message =
'There are no nodes that have an effect. Try to view or output images/files.';
} else if (disabledNodes.size > 0) {
} else if (report.removedDisabled > 0) {
message = 'All nodes are disabled. There are no nodes to run.';
} else {
message = 'There are no nodes to run.';
Expand All @@ -375,7 +373,8 @@ export const ExecutionProvider = memo(({ children }: React.PropsWithChildren<{}>
const invalidNodes = nodes.flatMap((node) => {
const functionInstance = typeStateRef.current.functions.get(node.data.id);
const schema = schemata.get(node.data.schemaId);
const { category, name } = schema;
const { name } = schema;
const category = categories.get(schema.category)?.name ?? schema.category;

const validity = bothValid(
checkFeatures(schema.features, features, featureStates),
Expand Down Expand Up @@ -448,6 +447,7 @@ export const ExecutionProvider = memo(({ children }: React.PropsWithChildren<{}>
getNodes,
getEdges,
schemata,
categories,
sendAlert,
typeStateRef,
chainLineageRef,
Expand Down