Data Analytics Acceleration Library
Developer(s)  Intel 

Initial release  August 25, 2015 
Stable release 
2017 / March 22, 2016^{[1]}

Written in  C++, Java 
Operating system  Microsoft Windows, Linux, OS X 
Type  Library or framework 
License  Apache License 2.0^{[2]} 
Website  software.intel.com/inteldaal 
Intel Data Analytics Acceleration Library (Intel DAAL) is a library of optimized algorithmic building blocks for data analysis stages most commonly associated with solving Big Data problems.^{[3]}^{[4]}^{[5]}^{[6]}
The library supports Intel and compatible processors and is available for Windows, Linux and OS X operating systems. The library is designed for use popular data platforms including Hadoop, Spark, R, and Matlab.^{[3]}^{[7]}
History
Intel launched the Data Analytics Acceleration Library on August 25, 2015 and called it Intel Data Analytics Acceleration Library 2016 (Intel DAAL 2016).^{[8]} DAAL is bundled with Intel Parallel Studio XE as a commercial product. A standalone version is available commercially or freely,^{[2]}^{[9]} the only difference being support and maintenance related.
License
Apache License 2.0
Details
Functional categories
Intel DAAL has the following algorithms:^{[3]}^{[10]}
 Low Order Moments: Includes computing min, max, mean, standard deviation, variance, etc. for a dataset.
 Quantiles: splitting observations into equalsized groups defined by quantile orders.
 Correlation matrix and variancecovariance matrix: A basic tool in understanding statistical dependence among variables. The degree of correlation indicates the tendency of one change to indicate the likely change in another.
 Correlation distance matrix: Measuring pairwise distance between items using correlation distance.
 Cosine distance matrix: Measuring pairwise distance using cosine distance.
 Data transformation through matrix decomposition: DAAL provides Cholesky, QR, and SVD decomposition algorithms.
 Principal Component Analysis (PCA): the most popular algorithm for dimensionality reduction.
 Outlier detection: Identifying observations that are abnormally distant from typical distribution of other observations.
 Association rules mining: Detecting cooccurrence patterns. Commonly known as “shopping basket mining.”
 Linear regression: The simplest regression method. Fitting a linear equation to model the relationship between dependent variables (things to be predicted) and explanatory variables (things known).
 Classification: Building a model to assign items into different labeled groups. DAAL provides multiple algorithms in this area, including Naïve Bayes classifier, Support Vector Machine, and multiclass classifiers.
 Clustering: Grouping data into unlabeled groups. This is a typical technique used in “unsupervised learning” where there is not established model to rely on. Intel DAAL provides 2 algorithms for clustering: KMeans and “EM for GMM.”
Intel DAAL supported three processing modes:
 Batch processing: When all data fits in the memory, a function is called to process the data all at once.
 Online processing (also called Streaming): when all data does not fit in memory. Intel® DAAL can process data chunks individually and combine all partial results at the finalizing stage.
 Distributed processing: DAAL supports a model similar to MapReduce. Consumers in a cluster process local data (map stage), and then the Producer process collects and combines partial results from Consumers (reduce stage). Intel DAAL offers flexibility in this mode by leaving the communication functions completely to the developer. Developers can choose to use the data movement in a framework such as Hadoop or Spark, or explicitly coding communications most likely with MPI.
References
 ^ "Intel® Data Analytics Acceleration Library 2017 Release Notes".
 ^ ^{a} ^{b} "Open Source Project: Intel Data Analytics Acceleration Library (DAAL)".
 ^ ^{a} ^{b} ^{c} "DAAL github".
 ^ "Intel Updates Developer Toolkit with Data Analytics Acceleration Library".
 ^ "Intel adds big data functions to math libraries".
 ^ "Intel Leverages HPC Core for Analytics Tooling Push". nextplatform.com. 20150825.
 ^ "Try Out Intel DAAL to Process Big Data".
 ^ "Intel Data Analytics Acceleration Library".
 ^ "Community Licensing of Intel Performance Libraries".
 ^ "Introduction to Intel DAAL, Part 1: Polynomial Regression with Batch Mode Computation".
External links
 daal on GitHub
 DAAL Official Product Website
 DAAL Support
 DAAL User Forum
 DAAL Support Channel