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Measured perf cost of meminit was 7% worst case on an Intel Core2
system. YMMV.
This commit is contained in:
Howard Chu 2013-11-12 08:10:33 -08:00
parent 3e40d0c805
commit f39bceb800
1 changed files with 2 additions and 2 deletions
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libraries/liblmdb/lmdb.h
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@ -567,8 +567,8 @@ int mdb_env_create(MDB_env **env);
* code (that used the heap and subsequently freed the memory) into the
* data file. Note that many other system libraries may allocate
* and free memory from the heap for arbitrary uses. E.g., stdio may
* use the heap for file I/O buffers. This initialization step comes
* at some performance cost so some applications may want to disable
* use the heap for file I/O buffers. This initialization step has a
* modest performance cost so some applications may want to disable
* it using this flag. This option can be a problem for applications
* which handle sensitive data like passwords, and it makes memory
* checkers like Valgrind noisy. This flag is not needed with #MDB_WRITEMAP,