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Unfortunately, compression algorithms don’t like short content much. They prefer longer content where they have more opportunities to identify patterns and take advantage of them for compression. Actually if you compress a short string, it will likely be larger than the original string due to the overhead of the compression container.
Oct 16, 2019 · Large-scale machine learning models are often trained by parallel stochastic gradient descent algorithms. However, the communication cost of gradient aggregation and model synchronization between the master and worker nodes becomes the major obstacle for efficient learning as the number of workers and the dimension of the model increase. In this paper, we propose DORE, a DOuble REsidual ...
Google compression algorithm Zopfli may lead to faster Internet. Algorithm promises faster data transfer speeds and reduced Web page load times by compressing content up to 8 percent smaller than ...
Jan 22, 2019 · DEFLATE is currently the most used data compression algorithm since it is a bit like the Swiss Army knife of compression. Beyond its use in the PNG and ZIP formats, DEFLATE is also used very frequently elsewhere in computing. For example, the gzip (.gz) file format uses DEFLATE since it is essentially an open source version of ZIP.
TimescaleDB is an open-source time-series database, engineered on PostgreSQL, that employs all of these best-in-class compression algorithms to enable much greater storage efficiency for our users (over 90% efficiency, as mentioned earlier). TimescaleDB deploys different compression algorithms, depending on the data type:
Machine Learning, 59, 55–76, 2005 2005 Springer Science + Business Media, Inc. Manufactured in The Netherlands. PAC-Bayesian Compression Bounds
Jan 20, 2016 · Thanks to a new compression algorithm called Brotli, which Google introduced last September, Chrome will be able to compress data up to 26 percent more than its existing compression engine, Zopfli ...
I recently had to change the compression algorithm used for our zip archives to lzma. Unfortunately FinalBuilder’s 7z actions don’t have an option to pick the algorithm so I had to call 7z from the command line. It would be convenient to have this setting available in the action directly.
This is take 2 of the 'Picking the Right Compression Algorithm for BranchCache' blog, but covers delta updates between package versions
Dec 04, 2019 · "We discovered a way to calculate entropy using a standard compression algorithm like the zip software we all have on our computers," explains Prof. Roy Beck of TAU's School of Physics and Astronomy.
LZMA / LZMA2 are default and general compression methods of 7z format in the 7-Zip program. LZMA provides a high compression ratio and fast decompression, so it is very suitable for embedded applications. For example, it can be used for ROM (firmware) compressing.
All times are user times, measured by the unix time command. To visualize the results I plotted them using R, compression efficiency at X vs. time at Y. The best results are of course located near to the origin. Data. To test the different algorithms I collected different types of data, so one might choose a method depending on the file types ...
Jan 01, 2021 · Best speed to compression ratio – Though classic LZMA compression has been improving for over a decade, there are still some options to explore. For b1 we designed an improved compression algorithm with much better speed to compression ratio. Encryption with password – With encryption you can protect data with 256 bit AES encryption algorithm.
Jan 04, 2010 · Refers to data compression techniques in which some amount of data is lost. Lossy compression technologies attempt to eliminate redundant or unnecessary information. Most video compression technologies, such as MPEG, use a lossy technique.