transducer | Fast Sequence Transducer Implementation with PyTorch | Speech library
kandi X-RAY | transducer Summary
kandi X-RAY | transducer Summary
A Fast Sequence Transducer Implementation with PyTorch Bindings. The corresponding publication is Sequence Transduction with Recurrent Neural Networks. Tested with Python 3.7 and PyTorch 1.3.
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transducer Key Features
transducer Examples and Code Snippets
Lines of Code : 28License : Permissive (MIT License)
Copyfunction _dispatchable(methodNames, transducerCreator, fn) {
return function () {
if (arguments.length === 0) {
return fn();
}
var obj = arguments[arguments.length - 1];
if (!_isArray(obj)) {
var idx = 0; function wt(t){var r=function(e){return{"@@transducer/init":v.init,"@@transducer/result":function(t){return e["@@transducer/result"](t)},"@@transducer/step":function(t,n){var r=e["@@transducer/step"](t,n);return r["@@transducer/reduced"]?function(t){ Community Discussions
Trending Discussions on transducer
QUESTION
Suppose I want to model, using Haskell pipes, a Python
Generator[int, None, None]which keeps some internal state. Should I be usingProducer int (State s) ()orStateT s (Producer int m) (), wheremis whatever type of effect I eventually want from the consumer?How should I think about the notion of transducers in pipes? So in Oleg's simple generators, there is
...
ANSWER
Answered 2022-Mar-31 at 18:32In pipes, you typically wouldn't use effects in the base monad m of your overall Effect to model the internal state of a Producer. If you really wanted to use State for this purpose, it would be an internal implementation detail of the Producer in question (discharged by a runStateP or evalStateP inside the Producer, as explained below), and the State would not appear in the Producer's type.
It's also important to emphasize that a Producer, even when it's operating in the Identity base monad without any "effects" at its disposal, isn't some sort of pure function that would keep producing the same value over and over without monadic help. A Producer is basically a stream, and it can maintain state using the usual functional mechanisms (e.g., recursion, for one). So, you definitely don't need a State for a Producer to be stateful.
The upshot is that the usual model of a Python Generator[int, None, None] in Pipes is just a Monad m => Producer Int m () polymorphic in an unspecified base monad m. Only if the Producer needs some external effects (e.g., IO to access the filesystem) would you require more of m (e.g., a MonadIO m constraint or something).
To give you a concrete example, a Producer that generates pseudorandom numbers obviously has "state", but a typical implementation would be a "pure" Producer:
QUESTION
I want to align a checkbox that has certain styling with the label to the right of it, in such a way that a multi line label aligns on the center of the checkbox. I cannot modify HTML, only the CSS.
This is the checkbox:
...ANSWER
Answered 2022-Mar-31 at 13:24You can add align-self: start;
Because of your label element has flexBox and has align-items on it in HTML, you can use align-self to override align-items property and move position of element horizontally.
QUESTION
I have a flex container with a card in it. The card has a dropdown that is allowed to go over other components. To allow the dropdown to grow over the edge of the card the dropdown was made "absolute", but now it also goes over the footer.
Reduced code:
...ANSWER
Answered 2022-Mar-31 at 01:57You could just add overflow-y-scroll to the parent div where you have z-10
then specify the max-height for the dropdown like this max-h-[90vh]
and give the footer z-20
have a look at https://play.tailwindcss.com/TqJJRKEEkR .
QUESTION
I'm working on an application where datasets have programmatically generated names and are frequently created and destroyed by users. I want to graph these datasets within the application using D3.js.
My datasets are stored like this:
Wavelength Transducer Output 1 Transducer Output 2 Transducer Output 3 1 19 21 23 3 23 20 21 5 33 23 19 7 33 24 45 etc.. etc.. etc.. etc..Where wavelength should be mapped along the x axis, and magnitude mapped along the y axis, with an individual line for each set of magnitudes.
I'm struggling to get my head around how one should pass such data into D3.js. Each tutorial I read uses different data formats and different code. I have read the documentation, but it hasn't helped me much in learning how to format my data for D3 either.
What's the correct way to map these datasets onto a graph from within a script? At the moment I'm trying to use d3.csvParse(data), but am unsure where to go from there. I suspect I may be formatting my data awkwardly but am not sure.
ANSWER
Answered 2022-Mar-08 at 16:45Writing up a quick answer to this just incase anyone else gets stuck where I did. Essentially I completely misunderstood how you're supposed to present data to in d3.
Here's a useful guide to understanding d3 data handling
Here's a useful guide on how to use that data once you have it structured correctly
Once I realised that I needed to create an array which represented every point I want drawn things got a lot easier. I created an object with three properties that described a single data point.
Each object has a wavelength, magnitude, and a name.
wavelength is the datapoint's position on the x axis, magnitude is its position on the y axis, and name allows me to differentiate between the different datasets.
QUESTION
In an interview, I was asked to hit the jsonplaceholder /posts and /comments endpoints and write a function that returns matched comments with posts where comment.postId == post.id then make a whole JSON object containing the post within the comments belongs to it.
I have been trying to implement it in a functional approach but cannot find a way of dealing with 2 arrays (2 inputs) as pipelines, compositions, transducers all accept unary functions.
I Even thought of having two pipelines one for processing the comments and the other for posts and joining their workflows at the end but couldn't implement it.
All I could come up with is mapping the comments themselves to be an array of objects where it has postId as a number that represents each post and comments as array of strings
ANSWER
Answered 2021-Nov-17 at 22:42I think I'm missing something in the question. This sounds like a fairly simple function. I might write it something like this:
QUESTION
I'm currently learning about transducers with Ramda.js. (So fun, yay! 🎉)
I found this question that describes how to first filter an array and then sum up the values in it using a transducer.
I want to do something similar, but different. I have an array of objects that have a timestamp and I want to average out the timestamps. Something like this:
...ANSWER
Answered 2021-Sep-15 at 23:53I'm afraid this strikes me as quite confused.
I think of transducers as a way of combining the steps of a composed function on sequences of values so that you can iterate the sequence only once.
average makes no sense here. To take an average you need the whole collection.
So you can transduce the filtering and mapping of the values. But you will absolutely need to then do the averaging separately. Note that filter then map is a common enough pattern that there are plenty of filterMap functions around. Ramda doesn't have one, but this would do fine:
QUESTION
I'm trying to estimate the mean distance of all pairs of points in a unit square.
This transducer returns a vector of the distances of x randomly selected pairs of points, but the final step would be to take the mean of all values in that vector. Is there a way to use mean as the final reducing function (or to include it in the composition)?
ANSWER
Answered 2021-Jul-05 at 19:49From the docs of transduce:
If init is not supplied, (f) will be called to produce it. f should be a reducing step function that accepts both 1 and 2 arguments, if it accepts only 2 you can add the arity-1 with 'completing'.
To disect this:
- Your function needs 0-arity to produce an initial value -- so
conjis fine (it produces an empty vector). - You need to provide a 2-arity function to do the actual redudcing
-- again
conjis fine here - You need to provide a 1-arity function to finalize - here you want
your
mean.
So as the docs suggest, you can use completing to just provide that:
QUESTION
I have a python code in which I attempt to read a csv file using askopenfilename to grab the file name and then use pandas to pull the data. During testing the code without the addition of askopenfilename it was able to plot the data however, it is now unable to display the plot at all. Any idea as to what has happened to cause this error?
...ANSWER
Answered 2021-Mar-04 at 17:50The column is called "scan area" but you are trying to access "scan_area". You should instead access the column with scan = df["scan area"]. You will need to do something similar with "x coor" and "y coor".
QUESTION
At a high level I understood that using a transducer does not create any intermediate data structures whereas a long chain of operations via ->> does and thus the transducer method is more performant. This is proven out as true in one of my examples below. However when I add clojure.core.async/chan to the mix I do not get the same performance improvement I expect. Clearly there is something that I don't understand and I would appreciate an explanation.
ANSWER
Answered 2021-Jan-17 at 06:54Some remarks on your methodology:
- It is very unusual to have a channel with a buffer size of 1 million. I would not expect benchmarks derived from such usage to have much applicability to real-world programs. Just use a buffer size of 1. This is plenty for this application to succeed, and more closely mirrors real-world usage.
- You don't need to pick such a gigantic
n. If your function runs more quickly, criterium can take more samples, getting a more accurate estimate of its average time. n=100 is plenty.
After making those changes, here is the benchmark data I see:
QUESTION
The question is in the title. Below I copy the transducer-part of the source of map:
ANSWER
Answered 2020-Dec-19 at 15:46map can work on multiple collections at once, calling the mapping function with an argument for each collection item:
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