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Pack small st_table (not only type_numhash) #71

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funny-falcon wants to merge 12 commits into from
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Pack small st_table (not only type_numhash) #71

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d0e49c1
st use function instead of macro
funny-falcon Dec 21, 2011
9bfa872
pack ordinary st_table as well as num_tables
funny-falcon Dec 22, 2011
2cba783
use bigger packed table size
funny-falcon Dec 22, 2011
1fabec8
optimize packed table access and unpack
funny-falcon Dec 22, 2011
0f8a62d
optimize st_foreach for usual case
funny-falcon Dec 22, 2011
4e0e433
...
funny-falcon Dec 22, 2011
81329be
remove unnessesary hash check
funny-falcon Dec 22, 2011
f56d55e
optimize new_size
funny-falcon Dec 26, 2011
b0cff67
add tunability to hash
funny-falcon Dec 26, 2011
92914bb
fix for trunk st_update
funny-falcon Dec 31, 2011
f37a569
fix error
funny-falcon Dec 31, 2011
9cc6fcb
fix error + use outter bin_pos calculation (faster a bit)
funny-falcon Jan 3, 2012
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6 changes: 6 additions & 0 deletions hash.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3146,6 +3146,8 @@ env_update(VALUE env, VALUE hash)
rb_hash_foreach(hash, env_update_i, 0);
return env;
}
/* defined in st.c */
extern st_index_t MAX_PACKED_HASH;

/*
* A Hash is a dictionary-like collection of unique keys and their values.
Expand Down Expand Up @@ -3220,6 +3222,10 @@ Init_Hash(void)
{
#undef rb_intern
#define rb_intern(str) rb_intern_const(str)
const char *p = getenv("RUBY_MAX_PACKED_HASH");
if (p && *p) {
MAX_PACKED_HASH = atoi(p);
}

id_hash = rb_intern("hash");
id_yield = rb_intern("yield");
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