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st.c: fix collision statistics [ci skip]

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* st.c (stat_col): get rid of NaN.

* st.c (collision_check): define before used.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54438 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-03-30 13:02:16 +00:00
parent 2f6821a7c4
commit 828270af13
1 changed files with 4 additions and 6 deletions
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10
st.c
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@ -185,7 +185,9 @@ static void
stat_col(void)
{
char fname[10+sizeof(long)*3];
FILE *f = fopen((snprintf(fname, sizeof(fname), "/tmp/col%ld", (long)getpid()), fname), "w");
FILE *f;
if (!collision.total) return;
f = fopen((snprintf(fname, sizeof(fname), "/tmp/col%ld", (long)getpid()), fname), "w");
fprintf(f, "collision: %d / %d (%6.2f)\n", collision.all, collision.total,
((double)collision.all / (collision.total)) * 100);
fprintf(f, "num: %d, str: %d, strcase: %d\n", collision.num, collision.str, collision.strcase);
@ -338,6 +340,7 @@ count_collision(const struct st_hash_type *type)
}
#define COLLISION (collision_check ? count_collision(table->type) : (void)0)
#define FOUND_ENTRY (collision_check ? collision.total++ : (void)0)
#define collision_check 0
#else
#define COLLISION
#define FOUND_ENTRY
@ -379,8 +382,6 @@ find_packed_index(const st_table *table, st_index_t hash_val, st_data_t key)
return find_packed_index_from(table, hash_val, key, 0);
}
#define collision_check 0
int
st_lookup(st_table *table, register st_data_t key, st_data_t *value)
{
@ -437,9 +438,6 @@ st_get_key(st_table *table, register st_data_t key, st_data_t *result)
}
}
#undef collision_check
#define collision_check 1
static inline st_table_entry *
new_entry(st_table * table, st_data_t key, st_data_t value,
st_index_t hash_val, register st_index_t bin_pos)