Edwin Smith
08693f9d6f
Only rematerialize an instruction if its inputs are still live and in registers at the point we're cloning it, which, given the current state of flux in the register allocator, is restricted for now to just instructions that consume rVmSp, rVmFp, or immediate constants.
84 linhas
2.4 KiB
PHP
84 linhas
2.4 KiB
PHP
<?
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class KarmaMemcache {
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private $keyScoreArr;
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private $specs;
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function getKeyScores() {
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return $this->keyScoreArr;
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}
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function __construct() {
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$this->specs = array(
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"login_bruteforce_protection_delta_vetted_datr:3600" =>
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// A spec
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array('on_block_lockout_time' => 0,
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'max_score' => 10000000,
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'time_to_decay_max_score' => 100)
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);
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}
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private static function decayScore($a, $b, $c, $d) { return 0; }
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/**
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* Takes raw data fetched from memcache, applies necessary decay
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* function.
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*/
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private function getFetchedXXX() {
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return array(1 /* score */, 0 /*last_occurrence*/, 0
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/*last_blocked_time*/);
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}
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public function getInfo() {
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$time = time();
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$this->keyScoreArr = array();
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foreach ($this->specs as $key => $spec) {
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$fetched = $this->getFetchedXXX();
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list($score, $last_occurrence, $last_blocked_time) =
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array(
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idx($fetched, 0, 0),
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idx($fetched, 1, 0),
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idx($fetched, 2, 0)
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);
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// FBLogger('test_remat')->warn("score starts $score\n");
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if ($time - $last_blocked_time > $spec['on_block_lockout_time']) {
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if ($score > $spec['max_score']) {
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// Only possible if thresholds were reduced.
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$score = 0.5 * $spec['max_score'];
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// FBLogger('test_remat')->warn("score halved max case $score\n");
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} else {
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$score = self::decayScore(
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$spec['max_score'],
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$spec['time_to_decay_max_score'],
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$score,
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$last_occurrence
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);
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// FBLogger('test_remat')->warn("score decayed $score\n");
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}
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$this->decayedKarmaVectors[$key] = array(
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'score' => (double)$score,
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'last_occurrence' => (int)$last_occurrence,
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'last_blocked_time' => (int)$last_blocked_time
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);
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// FBLogger('test_remat')->warn("decayed decayed $score: " .
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// print_r($this->decayedKarmaVectors[$key], true));
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} else {
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// In on-block-lockout-interval.
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// Don't add to $this->decayedKarmaVectors. That would update the
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// timestamp.
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}
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$this->keyScoreArr[$key] = (double)$score;
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if ($this) {
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var_dump((double)$score, $this->keyScoreArr[$key]);
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}
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}
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}
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}
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function main() {
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$kc = new KarmaMemcache();
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$kc->getInfo();
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var_dump($kc->getKeyScores());
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}
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main();
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