badmanners/shimmie2
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Cache multiple flexihashes

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otherwise get_thumb / get_image / get_thumb / get_image / ... will
have 100% cache miss rate
This commit is contained in:
Shish 2019-07-07 14:25:28 +01:00
parent 8ec3690f8e
commit 3c6b09110a
1 changed files with 6 additions and 4 deletions
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10
core/imageboard/image.php
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@ -812,16 +812,17 @@ class Image
$tmpl = $plte->link;
}
static $flexihash = null;
static $fh_last_opts = null;
static $flexihashes = [];
$matches = [];
if (preg_match("/(.*){(.*)}(.*)/", $tmpl, $matches)) {
$pre = $matches[1];
$opts = $matches[2];
$post = $matches[3];
if ($opts != $fh_last_opts) {
$fh_last_opts = $opts;
if(isset($flexihashes[$opts])) {
$flexihash = $flexihashes[$opts];
}
else {
$flexihash = new Flexihash\Flexihash();
foreach (explode(",", $opts) as $opt) {
$parts = explode("=", $opt);
@ -837,6 +838,7 @@ class Image
}
$flexihash->addTarget($opt_val, $opt_weight);
}
$flexihashes[$opts] = $flexihash;
}
// $choice = $flexihash->lookup($pre.$post);