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lib: Reformat comment so my eyes don't fall out while reading it

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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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Christian Franke 2017-08-03 14:30:01 +02:00
parent 7a7761d21c
commit c7d3895eb1
1 changed files with 16 additions and 23 deletions
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39
lib/hash.c
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@ -358,33 +358,26 @@ DEFUN(show_hash_stats,
/* Summary statistics calculated are:
*
* - Load factor: This is the number of elements in the table divided by
* the
* number of buckets. Since this hash table implementation uses
* chaining,
* this value can be greater than 1. This number provides information
* on
* how 'full' the table is, but does not provide information on how
* evenly
* distributed the elements are. Notably, a load factor >= 1 does not
* imply
* that every bucket has an element; with a pathological hash
* function, all
* elements could be in a single bucket.
* - Load factor: This is the number of elements in the table divided
* by the number of buckets. Since this hash table implementation
* uses chaining, this value can be greater than 1.
* This number provides information on how 'full' the table is, but
* does not provide information on how evenly distributed the
* elements are.
* Notably, a load factor >= 1 does not imply that every bucket has
* an element; with a pathological hash function, all elements could
* be in a single bucket.
*
* - Full load factor: this is the number of elements in the table
* divided by
* the number of buckets that have some elements in them.
* divided by the number of buckets that have some elements in them.
*
* - Std. Dev.: This is the standard deviation calculated from the
* relevant
* load factor. If the load factor is the mean of number of elements
* per
* bucket, the standard deviation measures how much any particular
* bucket
* is likely to deviate from the mean. As a rule of thumb this number
* should be less than 2, and ideally <= 1 for optimal performance. A
* number larger than 3 generally indicates a poor hash function.
* relevant load factor. If the load factor is the mean of number of
* elements per bucket, the standard deviation measures how much any
* particular bucket is likely to deviate from the mean.
* As a rule of thumb this number should be less than 2, and ideally
* <= 1 for optimal performance. A number larger than 3 generally
* indicates a poor hash function.
*/
double lf; // load factor