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| author | Paul Pluzhnikov <ppluzhnikov@google.com> | 2014-02-28 17:12:02 -0800 |
|---|---|---|
| committer | Paul Pluzhnikov <ppluzhnikov@google.com> | 2014-02-28 17:12:02 -0800 |
| commit | 3fae2a38f853f386c25faf532dd12fc9044aab9d (patch) | |
| tree | 6e5dc805da8f295e5466f616311d753f394725e1 | |
| parent | cdaac281f27353c231ceafc4ea38fbf201186740 (diff) | |
| download | glibc-3fae2a38f853f386c25faf532dd12fc9044aab9d.tar.gz glibc-3fae2a38f853f386c25faf532dd12fc9044aab9d.tar.xz glibc-3fae2a38f853f386c25faf532dd12fc9044aab9d.zip | |
Reduce starting table sizes for locale-archive file, since we use only a small fraction of the entries.
| -rw-r--r-- | README.google | 6 | ||||
| -rw-r--r-- | locale/programs/locarchive.c | 16 |
2 files changed, 18 insertions, 4 deletions
diff --git a/README.google b/README.google index 78cca4cdbc..300cab9cd2 100644 --- a/README.google +++ b/README.google @@ -120,3 +120,9 @@ include/alloca.h Forward-ported from cl/51331379 (from cl/38559-p2). (ppluzhnikov, google-local) +locale/programs/locarchive.c + Reduce starting table sizes for locale-archive file, since we use only a + small fraction of the entries. + Forward-ported from cl/51331729 (from cl/39296-p2). + (cgd, google-local) + diff --git a/locale/programs/locarchive.c b/locale/programs/locarchive.c index cdd99602c2..2d261d1ec5 100644 --- a/locale/programs/locarchive.c +++ b/locale/programs/locarchive.c @@ -67,12 +67,20 @@ static const char *locnames[] = #undef DEFINE_CATEGORY }; +/* Google local change: we've reduced the initial archive header + sizes, since we use very few of the entries. This saves ~100k. + The hash tables are sized larger than the number of entries we use. + The code will round their sizes up to the next power of 2, and if + it finds that they're >75% full will grow them as well. We set the + defaults to the size that we'll end up with given what we use. + + The vectors are sized exactly to hold what we use. */ /* Size of the initial archive header. */ -#define INITIAL_NUM_NAMES 900 -#define INITIAL_SIZE_STRINGS 7500 -#define INITIAL_NUM_LOCREC 420 -#define INITIAL_NUM_SUMS 2000 +#define INITIAL_NUM_NAMES 5 /* (hash table of structs) We use 3. */ +#define INITIAL_SIZE_STRINGS 32 /* (vector of bytes) We use 32. */ +#define INITIAL_NUM_LOCREC 2 /* (vector of structs) We use 2. */ +#define INITIAL_NUM_SUMS 11 /* (hash table of structs) We use 6. */ /* Get and set values (possibly endian-swapped) in structures mapped |