<commit_before>import Task from './task';
import Thread from './thread';

class WorkerPool {

  constructor(concurrency = this.defaultConcurrency) {
    this.concurrency = concurrency;
    this.queue = [];
    this.threads = [];

    this.next = ::this.next;
  }

  get defaultConcurrency() {
    return navigator.hardwareConcurrency;
  }

  get thread() {
    let thread = this.threads.find(current => current.idle);
    if (thread) {
      return thread;
    }<commit_msg>Default number of threads to 4<commit_after>import Task from './task';
import Thread from './thread';

class WorkerPool {

  constructor(concurrency = this.defaultConcurrency) {
    this.concurrency = concurrency;
    this.queue = [];
    this.threads = [];

    this.next = ::this.next;
  }

  get defaultConcurrency() {
    return navigator.hardwareConcurrency || 4;
  }

  get thread() {
    let thread = this.threads.find(current => current.idle);
    if (thread) {
      return thread;
    }
{'fraction_non_alphanumeric': 0.12989690721649486, 'fraction_numerical': 0.002061855670103093, 'mean_word_length': 3.0798319327731094, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 5, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5877264', 'n_tokens_mistral': 298, 'n_tokens_neox': 288, 'n_words': 70}