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Ryu Alternatives
Similar projects and alternatives to ryu
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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fast_float
Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12 and WebKit/Safari
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better ryu alternative or higher similarity.
ryu reviews and mentions
Posts with mentions or reviews of ryu.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-04-03.
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Printing double aka the most difficult problem in computer sciences
Nah. This is about ryu printf.
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Parquet: More than just “Turbo CSV”
> Google put in significant engineering effort into "Ryu", a parsing library for double-precision floating point numbers: https://github.com/ulfjack/ryu
It's not a parsing library, but a printing one, i.e., double -> string. https://github.com/fastfloat/fast_float is a parsing library, i.e., string -> double, not by Google though, but was indeed motivated by parsing JSON fast https://lemire.me/blog/2020/03/10/fast-float-parsing-in-prac...
- Faster way to convert double to string, not using "%f"?
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After obtaning a CS degree and 16 years of experience in industry, I feel somewhat confident that I can answer your programming questions correctly. Ask me anything
Me and Ryu agree that the answer should be 0.30000000000000004
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23 years into my career, I still love PHP and JavaScript
Apparently exact minimal float-to-string conversion is more recent than I thought, and many languages used to print more (Python?) or less (PHP) decimal digits than necessary to uniquely identify the bit pattern. Python correctly prints 46000.80 + 553.04 as 46553.840000000004, but I don't know if it ever prints more digits than needed. One recent algorithm for printing floats exactly is https://github.com/ulfjack/ryu, though I'm unaware what's the state-of-the-art (https://github.com/jk-jeon/dragonbox claims to be a benchmark and the best algorithm).
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What's the most elegant algo in your subjective view and why?
On the huge speedup side, you have the Ryū algorithm for decimal conversion (Video, Source), which is now finding its way in most standard libraries. But it isn't a hack, and a very dense, complex and precise algo, nothing like the fast-and-loose inverse square root.
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C++ devs at FAANG companies, what kind of work do you do?
Used a wizard's magic to print "3.14" faster
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how to make ftoa procedure from scratch
Here's a paper that details an optimized algorithm (reference implementation). It also contains a description of a correct, but slow algorithm as well as references to classic papers on the subject. Earlier the classic implementation was the dtoa one included in netlib by David Gay.
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Dragonbox 1.1.0 is released (a fast float-to-string conversion algorithm)
At the very core of all these theoretical stuffs, there is the theory of continued fractions. This is an immensely useful monster which I even dare call as the ultimate tool for floating-point formatting/parsing that everyone who wants to contribute in this field should learn. Before I learned continued fractions, my main tool for proving stuffs was the minmax Euclid algorithm (which is one of the greatest contributions of the wonderful Ryu paper), but it turns out that it is actually just a quite straightforward application of the theory of continued fractions. The main role minmax Euclid algorithm played was to estimate the maximum size of possible errors, but with continued fractions it is even possible to find the list of all examples that generate errors above a given threshold. This is something I desperately wanted but really couldn't do back in 2020.
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FastDoubleParser: Java port of Daniel Lemires fast_double_parser
Ryū algorithm, the converse (doubles to strings), is also much faster than using Java's number formatting classes.
https://github.com/ulfjack/ryu/blob/master/src/main/java/inf...
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A note from our sponsor - InfluxDB
www.influxdata.com | 4 May 2024
Stats
Basic ryu repo stats
12
1,152
5.9
2 months ago
ulfjack/ryu is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of ryu is C++.
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