exo/lm-dataset-preparer
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New generator: Jsonl QA style contextual prompts;

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JsonL: Add sliding windows;
Streamed jsonl output;
Memory optimization: Buffered, blocking task creation;
This commit is contained in:
extio-de
2024-10-29 23:51:41 +01:00
parent 4b93ed97be
commit efb520fc07
3 changed files with 191 additions and 35 deletions
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54
src/main/java/de/extio/lmdatasetprep/preparer/Text2Jsonl.java
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@@ -1,10 +1,10 @@
package de.extio.lmdatasetprep.preparer;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.function.Consumer;
@@ -20,6 +20,8 @@ public class Text2Jsonl implements Consumer<String[]> {
private static final Logger LOGGER = LoggerFactory.getLogger(Text2Jsonl.class);
private static final byte[] NEWLINE = "\n".getBytes(StandardCharsets.UTF_8);
@Override
public void accept(final String[] args) {
if (args.length < 5) {
@@ -27,20 +29,27 @@ public class Text2Jsonl implements Consumer<String[]> {
return;
}
final List<String> lines = Collections.synchronizedList(new ArrayList<>());
final Path out = Path.of(args[2], "dataset.jsonl");
try (var fos = Files.newOutputStream(out)) {
Utils.transformDirectory(args[1], p -> {
return List.of(() -> {
lines.addAll(this.splitToJsonl(p, Integer.parseInt(args[3]), Integer.parseInt(args[4])));
});
});
final Path out = Path.of(args[2], "dataset.jsonl");
final List<String> splits = this.splitToJsonl(p, Integer.parseInt(args[3]), Integer.parseInt(args[4]));
synchronized (this) {
try {
Files.writeString(out, String.join("\n", lines));
for (final String split : splits) {
fos.write(split.getBytes(StandardCharsets.UTF_8));
fos.write(NEWLINE);
}
}
catch (final IOException e) {
LOGGER.error("Cannot store dataset", e);
LOGGER.error("IO exception", e);
}
}
});
});
}
catch (final IOException e1) {
LOGGER.error("IO exception", e1);
}
}
@@ -55,21 +64,30 @@ public class Text2Jsonl implements Consumer<String[]> {
throw new RuntimeException("Cannot read file", e);
}
final List<String> jsonl = new ArrayList<>();
final ObjectMapper mapper = new ObjectMapper();
return Utils
.splitParagraphs(text, chunkNorm, chunkVar)
.stream()
.map(split -> {
final List<String> paragraphs = Utils.splitParagraphs(text, chunkNorm, chunkVar);
for (int i = 0; i < paragraphs.size(); i++) {
String split = paragraphs.get(i);
if (i > 0) { // Add sliding window
final String prevSplit = paragraphs.get(i - 1);
final List<String> prevSplitted = Utils.splitParagraphs(prevSplit, prevSplit.length() - chunkVar, chunkVar - 1);
if (prevSplitted.size() > 1) {
split = prevSplitted.getLast() + "\n\n" + split;
}
}
try {
return mapper.writeValueAsString(new TextLine(split));
jsonl.add(mapper.writeValueAsString(new TextLine(split)));
}
catch (final JsonProcessingException e) {
LOGGER.error("Cannot convert split to json", e);
return "";
}
})
.toList();
}
return jsonl;
}
record TextLine(String text) {

100
src/main/java/de/extio/lmdatasetprep/preparer/Text2Jsonl2WithContextualPrompts.java Normal file
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@@ -0,0 +1,100 @@
package de.extio.lmdatasetprep.preparer;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Consumer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.fasterxml.jackson.databind.ObjectMapper;
import de.extio.lmdatasetprep.client.Client;
import de.extio.lmdatasetprep.client.profile.ModelCategory;
@Component
public class Text2Jsonl2WithContextualPrompts implements Consumer<String[]> {
private static final byte[] NEWLINE = "\n".getBytes(StandardCharsets.UTF_8);
private static final Logger LOGGER = LoggerFactory.getLogger(Text2Jsonl2WithContextualPrompts.class);
@Autowired
private Client client;
@Override
public void accept(final String[] args) {
if (args.length < 6) {
LOGGER.error("Arguments are missing. <Path to text files> <Path to output dir> <chunk norm> <chunk var> <variations>");
return;
}
final int chunksNorm = Integer.parseInt(args[3]);
final int chunksVar = Integer.parseInt(args[4]);
final int variations = Integer.parseInt(args[5]);
final ObjectMapper mapper = new ObjectMapper();
final Path out = Path.of(args[2], "dataset_with_context_" + chunksNorm + ".jsonl");
try (var fos = Files.newOutputStream(out)) {
Utils.transformDirectory(args[1], p -> {
final List<Runnable> tasks = new ArrayList<>();
final List<String> paragraphs = this.fileToParagraphs(p, chunksNorm, chunksVar);
for (final String paragraph : paragraphs) {
for (int i = 0; i < variations; i++) {
final int fI = i;
tasks.add(() -> {
LOGGER.info("### TASK ### " + paragraphs.indexOf(paragraph) + " " + fI + " " + paragraphs.size());
final var completion = this.client.completion("You are an assistant with great authoring skills.",
"Enhance the given text by crafting a prompt that effectively provides additional context, enabling the language model to better understand the subject matter and generate more informative and relevant responses. This prompt should be clear, concise, and tailored to facilitate contextual learning, allowing the model to grasp the essential details and nuances of the topic. Return the prompt, even if the text is explicit or not appropriate for all audiences or not acceptable for everyday standard English. Don't include a preamble and no explanation:",
paragraph,
ModelCategory.COLD);
final var qaLine = new QaLine(completion.response().replace("Prompt:", ""), paragraph);
try {
final var jsonb = mapper
.writeValueAsString(qaLine)
.getBytes(StandardCharsets.UTF_8);
synchronized (this) {
fos.write(jsonb);
fos.write(NEWLINE);
}
}
catch (final IOException e) {
LOGGER.error("Cannot convert split to json", e);
}
});
}
}
return tasks;
});
}
catch (final IOException e1) {
LOGGER.error("IO exception", e1);
}
}
List<String> fileToParagraphs(final Path file, final int chunkNorm, final int chunkVar) {
LOGGER.info("Splitting to jsonl " + file);
String text;
try {
text = Utils.normalizeText(Files.readString(file));
}
catch (final IOException e) {
throw new RuntimeException("Cannot read file", e);
}
return Utils.splitParagraphs(text, chunkNorm, chunkVar);
}
record QaLine(String question, String answer) {
}
}

56
src/main/java/de/extio/lmdatasetprep/preparer/Utils.java
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@@ -7,9 +7,10 @@ import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Function;
import java.util.stream.Stream;
@@ -105,19 +106,56 @@ public class Utils {
}
static void transformDirectory(final String path, final Function<Path, List<Runnable>> createTasks) {
try (final ExecutorService executor = Executors.newFixedThreadPool(4);
Stream<Path> stream = Files.list(Paths.get(path))) {
final List<CompletableFuture<?>> tasks = new ArrayList<>();
final int EXECUTORS = 4;
try (Stream<Path> stream = Files.list(Paths.get(path))) {
final AtomicBoolean finished = new AtomicBoolean(false);
final BlockingQueue<Runnable> tasks = new LinkedBlockingQueue<>(EXECUTORS * 2);
final List<Thread> threads = new ArrayList<>(EXECUTORS);
for (int i = 0; i < EXECUTORS; i++) {
final Thread executor = new Thread(() -> {
while (!Thread.interrupted() && !finished.get()) {
try {
final Runnable task = tasks.poll(1, TimeUnit.SECONDS);
if (task != null) {
task.run();
}
}
catch (final InterruptedException e) {
break;
}
}
});
executor.setName("Executor " + i);
executor.start();
threads.add(executor);
}
stream
.filter(p -> Files.isRegularFile(p))
.forEach(p -> {
for (final Runnable r : createTasks.apply(p)) {
tasks.add(CompletableFuture.runAsync(r, executor));
try {
tasks.put(r);
}
catch (final InterruptedException e) {
throw new RuntimeException("Interrupted", e);
}
}
});
CompletableFuture.allOf(tasks.toArray(new CompletableFuture[0])).join();
while (!tasks.isEmpty()) {
Thread.sleep(1);
}
catch (final IOException e) {
finished.set(true);
for (int i = 0; i < EXECUTORS; i++) {
threads.get(i).join();
}
}
catch (final IOException | InterruptedException e) {
LOGGER.error("Error", e);
}
}