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Vignesh Balasundaram BalasundaramVi

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BalasundaramVi / latency.txt
Created December 12, 2018 23:43 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
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
@BalasundaramVi
BalasundaramVi / pascalTriangleFunction.js
Created September 27, 2018 16:20
Use a recursive function to generate Pascal's Triangle for a given number of rows
var generate = function(numRows) {
if (numRows === 0) {
return ([]);
}
if (numRows === 1) {
return ([[1]]);
}
debugger;
var outputArray = recurPascal([1], 2, numRows, [[1]]);
return outputArray;