Optimized WP_Query for retrieving all posts

wp_query_optimized.php

$args = array(
	'post_type' => 'post',
	'post_status' => 'publish',
	'nopaging' => true, // remove if pagination is required
	'no_found_rows' => true, // remove if pagination is required
	'update_post_term_cache' => false,
	'update_post_meta_cache' => false,
);
$query = new WP_Query( $args );
if ( $query->have_posts() ) :
    //...
endif;