Ordered-Memory | repository contains the code | Machine Learning library
kandi X-RAY | Ordered-Memory Summary
kandi X-RAY | Ordered-Memory Summary
This repository contains the code used for Ordered Memory.
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Top functions reviewed by kandi - BETA
- Generate parse tree
- Generate a colour for a given value
- Plot a numpy array
- Build a tree
- Load training data and embeddings from scratch
- Preprocess a dataset
- Creates an iterator for batches of examples
- Generates an iterator that generates training examples
- Compute softmax
- Process softmax
- Truncate the batch
- Truncate data to max_length
- Perform the omr step
- Perform an omr step
- Generate a random tree
- Calculate validation accuracy
- Evaluate the model
- Save a model to file
- Load a checkpoint from file
- Return a string representation of the expression
- Train the model
- Convert t into a tuple
Ordered-Memory Key Features
Ordered-Memory Examples and Code Snippets
Community Discussions
Trending Discussions on Ordered-Memory
QUESTION
I'm trying to figure out how many memory fences do we need to implement a Peterson lock. Clearly, we need at least one.
https://bartoszmilewski.com/2008/11/05/who-ordered-memory-fences-on-an-x86/
In practice, it seems that one is sufficient, based on a number of tests executed in different architectures. However, in theory, do we need additional ones?
I have tried the code below
my peterson_lock failed in this situation
changing the order between Mark A by Mark B and it works! However, the memory fence does not capture the ordering between Mark A and Mark B. So, does it mean that the program is still incorrect?
...ANSWER
Answered 2019-Jun-06 at 16:48Nobody uses a Peterson lock on mainstream platforms because mutexes are available.
But assuming you cannot use those and you are writing code for an old X86
platform without access to modern primitives (no memory model, no mutexes, no atomic RMW operations), this algorithm might be considered.
Your implementation of the Peterson lock is incorrect (also after swapping the lines 'Mark as A' & 'Mark as B').
If you translate the Wikipedia pseudo code to C++
, the correct implementation becomes:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install Ordered-Memory
You can use Ordered-Memory like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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