I Wrote My Fastest Hashtable

I Wrote The Fastest Hashtable - Probably Dance

I think I wrote the fastest hash table there is. It's definitely the fastest for lookups, and it's also really fast for insert and erase ...

I Wrote My Fastest Hashtable - Hacker News

Power of 2 hashtables are so much faster because indexing uses a mask. The problem is that, as others have mentioned, powers of 2 suffer a lot ...

"I Wrote The Fastest Hashtable" (clickbait title, but worth a read) : r/rust

The run time blows up in pretty terrifying ways if your hash doesn't actually distribute data uniformly between buckets. Note that good doesn't ...

A new fast hash table in response to Google's new ... - Probably Dance

Hi, I wrote my new favorite hash table. This came about because last year I wrote the fastest hash table (I still make that claim) and this ...

I Wrote The Fastest Hashtable -- Malte Skarupke - Standard C++

I Wrote The Fastest Hashtable -- Malte Skarupke ... This is Malte's third article on hash table design. His solution shows favorable performance ...

Populating very large hashtables - how to do so most efficiently?

Also, The LOOKUP in the hashtables (once populated) is super-fast after all ... ... When you write $MyIndexHash.Keys = $SQL_Results ...

Writing a Very Fast Hash Table with Tiny Memory Footprints

Not to disgrace the author (it's a good article), but I've spent a lot of time studying hashtable performance recently and I groan whenever ...

Very fast hash table lookup in C (e.g. by MPH) - Stack Overflow

Hard to tell just by looking at the (pretty much non-existent) documentation of CMPH. Digging into the source code seems simpler.

High-performance C++ hash table implementation

... his personal blog where you can also find the benchmark picture below: https://probablydance.com/2017/02/26/i-wrote-the-fastest-hashtable/ ...

Writing a damn fast hash table with tiny memory footprints

Hash table is probably the most commonly used data structure in software industry. Most implementations focus on its speed instead of memory ...

Designing A Fast Concurrent Hash Table - Ibraheem Ahmed

Write throughput/latency; Memory usage. Concurrent hash tables fall into a large spectrum depending on which of the above properties are ...

C++ STL: Order of magnitude faster hash tables with Policy Based ...

gp_hash_table sacrifices ~10% reading/writing speed to gain 3-6x in insertion/deletion/clearing. I updated the post to reflect the new numbers. Tags hashtable, ...

HashTables and Some Unexpected Code Performance

I am playing around with hash tables and looking at how it effects performance. I wrote three different ways. My test consisted of 1000 integers and 1000 ...

A faster hash table - WriteAsync .NET

Last time, I wrote about a native C++ implementation of the Letter Boxed solver. Vexingly, this native implementation was actually slower ...

Designing a fast Hash Table - I Like Big Bits

Like many others I've made my own hash table. I've written it in my preferred language of C++, but the design decision carries over to other ...

Faster than Rust and C++: the PERFECT hash table - YouTube

I had a week of fun designing and optimizing a perfect hash table. In this video, I take you through the journey of making a hash table 10 ...

This Hash Table Is Faster Than a Judy Array

Also, I wrote the single most efficient integer hash table I could, with the explicit goal of taking Judy down – no smorgasbord of lame hash ...

Why I Avoid Using Hash Tables - Jeffrey Rennie - Medium

... hash tables are faster, and all the evidence I've seen agrees. So you may be surprised to learn that when I write code, I avoid hash tables.

CppCon 2017: Matt Kulukundis “Designing a Fast, Efficient, Cache ...

Comments88. J G. came for the hash table, stayed for the jokes.

Hash Table Performance Tests - Preshing on Programming

C and C++, being native languages, are different: You can write your own containers, and it's often very effective to do so. The Standard C++ ...