Crossbow | GPU Deep Learning System for Training with Small Batch Sizes | Machine Learning library

 by   lsds Java Version: v0.1 License: Apache-2.0

kandi X-RAY | Crossbow Summary

kandi X-RAY | Crossbow Summary

Crossbow is a Java library typically used in Artificial Intelligence, Machine Learning, Deep Learning, Pytorch, Tensorflow applications. Crossbow has no vulnerabilities, it has build file available, it has a Permissive License and it has low support. However Crossbow has 50 bugs. You can download it from GitHub.

Crossbow is a multi-GPU system for training deep learning models that allows users to choose freely their preferred batch size, however small, while scaling to multiple GPUs. Crossbow utilises modern GPUs better than other systems by training multiple model replicas on the same GPU. When the batch size is sufficiently small to leave GPU resources unused, Crossbow trains a second model replica, a third, etc., as long as training throughput increases. To synchronise many model replicas, Crossbow uses synchronous model averaging to adjust the trajectory of each individual replica based on the average of all. With model averaging, the batch size does not increase linearly with the number of model replicas, as it would with synchronous SGD. This yields better statistical efficiency without cumbersome hyper-parameter tuning when trying to scale training to a larger number of GPUs. See our VLDB 2019 paper for more details. The system supports a variety of training algorithms, including synchronous SGD. We are working to seemlesly port existing TensorFlow models to Crossbow.
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            kandi-support Support

              Crossbow has a low active ecosystem.
              It has 47 star(s) with 3 fork(s). There are 10 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 1 open issues and 1 have been closed. There are 3 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of Crossbow is v0.1

            kandi-Quality Quality

              OutlinedDot
              Crossbow has 50 bugs (8 blocker, 1 critical, 25 major, 16 minor) and 2522 code smells.

            kandi-Security Security

              Crossbow has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              Crossbow code analysis shows 0 unresolved vulnerabilities.
              There are 30 security hotspots that need review.

            kandi-License License

              Crossbow is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              Crossbow releases are available to install and integrate.
              Build file is available. You can build the component from source.
              Installation instructions are not available. Examples and code snippets are available.
              Crossbow saves you 12200 person hours of effort in developing the same functionality from scratch.
              It has 24609 lines of code, 2232 functions and 245 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed Crossbow and discovered the below as its top functions. This is intended to give you an instant insight into Crossbow implemented functionality, and help decide if they suit your requirements.
            • Setup the kernel for the operator
            • Registers the variable at the given index
            • Returns a string representation of the shape
            • Adds an element to the array
            • Performs a batch operation
            • Multiply multicast channel
            • Compute the sum for a channel
            • Compute the mean for a channel
            • Configure the kernel for the operator
            • Setup a convient kernel
            • Compute the kernel for the given operator
            • Setup the kernel for the input shape
            • Initialize the dataset
            • An analysis of the subgraph
            • Compute the kernel for an operator
            • Initializes the dataset
            • Performs the computation of the inputs
            • Trains the given number of training tasks
            • Compute the kernel kernel
            • Performs the computation
            • Computes the kernel for the given operator
            • Set up the gradient operator
            • Setup the input parameters
            • Setup the kernel
            • Compute the kernel kernel
            • Compute the kernel for the operator
            Get all kandi verified functions for this library.

            Crossbow Key Features

            No Key Features are available at this moment for Crossbow.

            Crossbow Examples and Code Snippets

            copy iconCopy
            InnerProductConf conf = new InnerProductConf ();
            
            /* Let's assume that there are 10 possible output labels, as in MNIST */
            conf.setNumberOfOutputs (10);
            
            /* Initialise weights with values drawn a random Gaussian distribution; 
             * and all of bias elem  
            copy iconCopy
            $ git clone http://github.com/lsds/Crossbow.git
            $ cd Crossbow
            $ export CROSSBOW_HOME=`pwd`
            $ ./scripts/build.sh
              
            copy iconCopy
            $ cd $CROSSBOW_HOME
            $ ./scripts/datasets/mnist/prepare-mnist.sh
            $ ./scripts/benchmarks/lenet.sh
              

            Community Discussions

            QUESTION

            Object selected from list reads [object Object]
            Asked 2021-Apr-20 at 16:38

            I'm developing a web game in JavaScript and I have a few arrays of objects. For some reason, I'm experiencing this problem: When I randomly select an object from an array:

            ...

            ANSWER

            Answered 2021-Apr-20 at 16:30

            Your code is working fine and the variable itemToGive is the object you think it should be. [object object] is just some problem you're experiencing with string conversion. Run the snippet below

            Source https://stackoverflow.com/questions/67182714

            QUESTION

            Dungeons and Dragons Character Sheet generator using Python
            Asked 2020-Dec-02 at 13:58

            I've been learning Python off and on over the last 8 months. I understand the syntax for lists, tuples, sets and dictionaries. For fun I'm trying to create a character generator sheet for Dungeons and Dragons. I've got the program to randomly roll for my strength, charisma etc. Now I want to be able to ask the user, "What type of weapon do you want to use?" Get_Weapon_Choice, then pull up a list of that weapon type. I've tried creating a list weapon_Choices = ['Bow', 'Sword', ]. Then I created 2 other lists, bow = ['short', 'long', 'crossbow'] and swords = ['short', 'long'] I know how to get input from the user, but I don't know how to take that input and print the list, I'm printing the variable name.

            chooseWeapon = input('What type of weapon would you like? Bow or Sword?')

            How do I use chooseWeapon to compare to weapon_Choices to make sure they didn't enter something like Spells, then use chooseWeapon to print either the bow[] list or the swords[] list?

            Do I need to use MySQL along with Python? and create tables and then search the tables instead of lists?

            TIA! Don

            ...

            ANSWER

            Answered 2020-Dec-02 at 13:58

            You can create a dictionary:

            Source https://stackoverflow.com/questions/65108580

            QUESTION

            How to rename object keys inside array
            Asked 2020-Sep-12 at 15:26

            I have an array of objects like this:

            ...

            ANSWER

            Answered 2020-Aug-06 at 13:30

            Two steps:

            1. Create a new key with a value copied from an existing key
            2. Delete the key you just copied the value from

            Working Example:

            Source https://stackoverflow.com/questions/63284616

            QUESTION

            What is the best Collection Type to use to get the permutations of 2 different enums
            Asked 2020-Sep-06 at 08:16

            I am seeking out the right collection type to achieve this result in C#. I am wanting to create a List of Items, from a couple of enum fields I've pre-specified.

            • itemType
            • itemMaterial

            For every itemType I add, I would like for a new set of items to be created that follows this general pattern, (ripped from Runescape for ease of concept conveyance, don't come after me JaGex):

            ...

            ANSWER

            Answered 2020-Sep-06 at 08:09

            No need for a specific collection. Just declare the item class and create all permutations.

            Choosing a collection would be needed if you had specific requirements like quick access, fast iterations, one item pointing to another and more.

            Source https://stackoverflow.com/questions/63761846

            QUESTION

            Walrus operator for filtering regex searches in list comprehension
            Asked 2020-Aug-14 at 13:12

            I have a Python list of strings. I want to do the regex search on each element, filtering only those elements where I managed to capture the regex group. I think I can do the regex search only once using the walrus operator from Python 3.8. So far I have:

            ...

            ANSWER

            Answered 2020-Aug-14 at 13:12

            Remove the .group() is not None. If there isn't any match, re.search() returns None and exception is thrown:

            Source https://stackoverflow.com/questions/63413342

            QUESTION

            How to dinamicaly create object keys and asign property to it
            Asked 2020-Aug-10 at 17:47

            I have an array of objects and I want to check if some object has array as property, so if does, I want to create new dynamic keys with properties assigned to these keys. This is the array I have:

            ...

            ANSWER

            Answered 2020-Aug-10 at 17:39

            You are creating a new item object and returning that object so it is not keeping the older keys. I have modified your code logic.

            Source https://stackoverflow.com/questions/63345048

            QUESTION

            How to get only first word of object's value
            Asked 2020-Aug-06 at 20:56

            I have an array of objects like this:

            ...

            ANSWER

            Answered 2020-Aug-06 at 20:56

            Assuming the first name never has a space in it, you can use string.split

            You can then use Array.prototype.shift to get the first element and join the rest back together.

            For my example I changed the first name to have a last name with 2 words as a demonstration

            Source https://stackoverflow.com/questions/63291063

            QUESTION

            Dynamically assign property to object
            Asked 2020-May-22 at 12:44

            I have two arrays

            ...

            ANSWER

            Answered 2020-May-22 at 12:15

            You can use Array.prototype.forEach with a value and an index to modify arr1:

            Source https://stackoverflow.com/questions/61954796

            QUESTION

            How to edit a table column to accept multiple 'ids'
            Asked 2020-May-02 at 05:11

            Short background:

            I am editing a video game that has four factions. I want to make all the factions enemies but only the 'arch wand' and 'crossbow' are enemies. Here is the code defining the clans in the clan table:

            ...

            ANSWER

            Answered 2020-May-02 at 04:55

            First normalize your schema.

            You should have one linking table for alliances and one for oppositions.

            Source https://stackoverflow.com/questions/61554438

            QUESTION

            Name not defined error and indentation errors when creating a simple text adventure game
            Asked 2020-Mar-01 at 12:58

            Im trying to produce a very simple adventure text game and i tried to produce a minimal reproducible example in this case(my code may appear to be slightly long but i cant delete anymore or else it becomes difficult to understand).

            The problem with my codes right now is that it wont proceed to go to the forest when the user is prompt to choose a choice = input("Go to the shop, go to the tavern, go to the forest: ").

            And the other problem is that the user must enter tavern 2 times in order to proceed and after that it will show the error "dexterity not defined" at the line if dexterity >= 5: even though i have earlier listed it as part of the dictionary list...

            ...

            ANSWER

            Answered 2020-Mar-01 at 11:39

            You have definied "dexterity" as part of "attributes" so you need to refer to is as attributes['dexterity'].

            Source https://stackoverflow.com/questions/60474576

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install Crossbow

            You can download it from GitHub.
            You can use Crossbow like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the Crossbow component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            https://github.com/lsds/Crossbow.git

          • CLI

            gh repo clone lsds/Crossbow

          • sshUrl

            git@github.com:lsds/Crossbow.git

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