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authorNeil Fortner <nfortne2@hdfgroup.org>2011-04-19 15:54:43 (GMT)
committerNeil Fortner <nfortne2@hdfgroup.org>2011-04-19 15:54:43 (GMT)
commit94cf912176257c753eaddde0acabc9a11be2e48d (patch)
treec1680fb1b187ce80db44af9c90cc25e52dfc332c /test/th5s.c
parentd6ecc0d44841cc7248b5eb36c20c3a7e7b33b9e6 (diff)
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[svn-r20555] Purpose: Improve performance when edge chunk filters are disabled with no chunk
cache. Description: When edge chunk filters and the chunk cache are disabled, the library would previously go through the lock/unlock routines then immediately evict the chunk as is done for filtered datasets, even for the unfiltered edge chunks. This forced the entire chunk to be read/written, even if only part of the chunk was selected. Modified the chunk cache to detect this case, and read/write only the selected portion directly from/to the unfiltered chunk. Tested: jam, amani (h5committest, heiwa down), fedora
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