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HDF5 Compression

Rob Virtue

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Neither the GMS wiki nor manual have much information on HDF5 compression other than stating what is achieved with a compression of 1. What are the advantages and disadvantages or different compression values?

Based on our testing we have found that a compression value of 1 works best. We have not found many cases where a compression value greater than 1 significantly improved compression. Further, the higher compression values usually increase the read/write times to the file.

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