jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

verticalgrain

<?

	/**
	 * Hooks for validating an email address in Gravity Forms
	 * When using a plain text input to collect an email, this will validate that the email address entered is a proper email address
	 * Useful for situations in which the existing gravity forms email field can't be used
	 *
	 * Change line 28 and line 37 to adapt this to your form
	 *
	 * @package d7