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author | Tom Lane <tgl@sss.pgh.pa.us> | 2010-10-06 19:31:05 -0400 |
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committer | Tom Lane <tgl@sss.pgh.pa.us> | 2010-10-06 19:31:05 -0400 |
commit | 3e5f9412d0a818be77c974e5af710928097b91f3 (patch) | |
tree | a6af46a9b605ff412ac2db0be3b659cc41907546 /src/backend/executor/nodeModifyTable.c | |
parent | 9b910def24e85c1c4ff993eae0fe511271fc8682 (diff) | |
download | postgresql-3e5f9412d0a818be77c974e5af710928097b91f3.tar.gz postgresql-3e5f9412d0a818be77c974e5af710928097b91f3.zip |
Reduce the memory requirement for large ispell dictionaries.
This patch eliminates per-chunk palloc overhead for most small allocations
needed in the representation of an ispell dictionary. This saves close to
a factor of 2 on the current Czech ispell data. While it doesn't cover
every last small allocation in the ispell code, we are at the point of
diminishing returns, because about 95% of the allocations are covered
already.
Pavel Stehule, rather heavily revised by Tom
Diffstat (limited to 'src/backend/executor/nodeModifyTable.c')
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