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authorQuincey Koziol <koziol@hdfgroup.org>2000-09-22 19:28:05 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2000-09-22 19:28:05 (GMT)
commit7bd50661fe8096cafb488fc19b9f87fffd69a325 (patch)
treec321c0e1da0cbdd5d2c82306adf81e20b315cd1d /src/H5Tvlen.c
parent57ed75800a0ff96eeae1d076602b3f89740d7c8c (diff)
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[svn-r2587] Purpose:
Bug fix (sorta) Description: When the stride and block size of a hyperslab selection are equal, the blocks that are selected are contiguous in the dataset. Prior to my hyperslab optimizations, this situation used to be detected and somewhat optimized to improve performance. I've added more code to optimize for this situation and integrated it with the new hyperslab optimization that weren't very efficient for that case as they should have been. Solution: Detect contiguous hyperslab selections (i.e. block size in a dimension is the same as the stride in that dimension) and store the optimized, contiguous version of that hyperslab. We also store the original, un- optimized version of the hyperslab to give back to the user if they query the hyperslab selection they just made. Platforms tested: FreeBSD 4.1
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