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Preload inference and embedding models #175

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merged 1 commit into from
May 12, 2024
Merged

Preload inference and embedding models #175

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19 changes: 18 additions & 1 deletion src/components/ChatBar.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ import {
DEFAULT_HOST,
apiConnected,
getLumosOptions,
preloadModel,
} from "../pages/Options";
import { getHtmlContent } from "../scripts/content";

Expand Down Expand Up @@ -506,7 +507,13 @@ const ChatBar: React.FC = () => {

useEffect(() => {
chrome.storage.local.get(
["chatContainerHeight", "selectedModel", "selectedHost", "chatHistory"],
[
"chatContainerHeight",
"selectedModel",
"selectedEmbeddingModel",
"selectedHost",
"chatHistory",
],
async (data) => {
if (data.chatContainerHeight) {
setChatContainerHeight(data.chatContainerHeight);
Expand Down Expand Up @@ -540,6 +547,16 @@ const ChatBar: React.FC = () => {
// persist selected model to local storage
chrome.storage.local.set({ selectedModel: models[0] });
}

// preload inference model
const inferenceModel = data.selectedModel || models[0];
preloadModel(selectedHost, inferenceModel);

// preload embedding model
const embeddingModel = data.selectedEmbeddingModel || inferenceModel;
if (embeddingModel !== inferenceModel) {
preloadModel(selectedHost, embeddingModel, true);
}
} else {
setPromptError(true);
setPromptPlaceholderText(errMsg);
Expand Down
24 changes: 24 additions & 0 deletions src/pages/Options.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,20 @@ export const apiConnected = async (
return [false, [], errMsg];
};

export const preloadModel = async (
host: string,
model: string,
isEmbedding = false,
): Promise<void> => {
fetch(`${host}/api/${isEmbedding ? "embeddings" : "chat"}`, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({ model: model }),
});
};

const Options: React.FC = () => {
const [model, setModel] = useState("");
const [embeddingModel, setEmbeddingModel] = useState("");
Expand Down Expand Up @@ -283,6 +297,16 @@ const Options: React.FC = () => {
if (data.selectedEmbeddingModel) {
setEmbeddingModel(data.selectedEmbeddingModel);
}

// preload inference model
const inferenceModel = data.selectedModel || models[0];
preloadModel(selectedHost, inferenceModel);

// preload embedding model
const embeddingModel = data.selectedEmbeddingModel || inferenceModel;
if (embeddingModel !== inferenceModel) {
preloadModel(selectedHost, embeddingModel, true);
}
} else {
setHostError(true);
setHostHelpText(errMsg);
Expand Down
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