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Latency Comparison Numbers (~2012) | |
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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 |
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Our yachts are toy boats, the glint on a lovely brief bubble of time. A boat's importance as an escape from reality, as a change of pace, as a theme for reflection and as an art form gives it worth or value. | |
--William Garden |
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Transaction tx = neo.beginTx(); | |
try | |
{ | |
final Node emil = neo.createNode(); | |
emil.setProperty( "name", "Emil Eifrém" ); | |
emil.setProperty( "age", 30 ); | |
final Node tobias = neo.createNode(); | |
tobias.setProperty( "name", "Tobias \"thobe\" Ivarsson" ); | |
tobias.setProperty( "age", 23 ); | |
tobias.setProperty( "hours", new int[] { 10, 10, 4, 4, 0 } ); |
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