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@richardkundl
richardkundl / BloomFilter.cs
Created January 7, 2014 14:29
Bloom filter implementation in c#.
namespace BloomFilter
{
using System;
using System.Collections;
/// <summary>
/// Bloom filter.
/// </summary>
/// <typeparam name="T">Item type </typeparam>
public class Filter<T>
@jboner
jboner / latency.txt
Last active November 1, 2025 21:13
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