[Patch] [BZ 15884] strcoll: improve performance by removing the cache

[Leonhard Holz]

Ok, I'll do so. After sending this I noticed that there is a problem in 
json_attr_double. It's output is depended on the current locale - see 
the "mean" field below. What to do about it?

Am 14.10.2014 10:43, schrieb Siddhesh Poyarekar:
> On Mon, Oct 13, 2014 at 02:19:48PM +0200, Leonhard Holz wrote:
>> please have a look at the attached JSON output of the strcoll benchmark.
>
> Thanks.
>
>>    "strcoll": {
>>     "file list": {
>>      "directory": "..",
>>      "file_count": 39086,
>>      "locale": "en_US.UTF-8",
>>      "duration": 4.72532e+09,
>>      "iterations": 16,
>>      "mean": 2.95333e+08
>>     },
>
> The "directory" and "file_count" directives are not necessary.  Also,
> rename the "file list" key to "" (an empty string) to indicate that
> this is the default case, i.e. plain text, which is how the default
> benchtest output looks like.
>
>>     "word list": {
>>      "file": "strcoll-inputs/lorem_ipsum_vi_VN",
>>      "locale": "vi_VN.UTF-8",
>>      "duration": 4,86973e+07,
>>      "iterations": 16,
>>      "mean": 3,04358e+06
>>     },
>
> Likewise, the "file" directive is not necessary since it is derived
> from the locale name.  Instead of "word list", make the locale name as
> the key so that you can get rid of the "locale" key.
>
> With the above two changes, your "word list" and "file list" will end
> up looking the same barring the extra 'locale' key in "plaintext":
>
> "vi_VN.UTF-8": {
>   "duration": 4,86973e+07,
>   "iterations": 16,
>   "mean": 3,04358e+06
> },
>
> "": {
>   "locale": "en_US.UTF-8",
>   "duration": 4.72532e+09,
>   "iterations": 16,
>   "mean": 2.95333e+08
> },
>
> Siddhesh
>