[sword-devel] Interesting timings for verses / ms with different interfaces

[Chris Little]

Being able to parse a verse is pretty important, though.  Don't you think?

--Chris


Lynn Allan wrote:
> I've been "fussing" with different interfaces to the rawtext and ztext
> files.
> 
> "microDiatheke" uses canon.h and raw lseek's and reads of uncompressed
> rawtext
> 93,306 total verses (entire ot & nt of  BBE, KJV, and WEB) in 0.48 sec =
> 194 verses retrieved per ms
> 
> ***************************
> 
> "miniDiatheke" uses #DEFINE SUBSET_PLUGIN with modified versekey.
> libswordvc6.lib is 58kb.
> 93,306 total verses (entire ot & nt of BBE, KJV, and WEB) in 0.44 sec = 212
> uncompressed verses retrieved per ms
> 
> 78,112 compressed verses (entire ot and/or nt of BWE, ISV, GODSWORD, LITV)
> in 0.681 sec = 114 compressed verses retrieved per ms
> 
> 171,418 verses (entire ot and/or nt of BBE, KJV, WEB, BWE, ISV, GODSWORD,
> LITV) in 1.091 sec = 157 verses retrieved per ms
> 
> ***************************
> 
> "sword-api" uses parsing, listkey, etc.  libswordvc6.lib is 2.8meg.
> 92,580 verses (entire ot of BBE, KJV, WEB, LITV) in 4.827 sec = 19.2 verses
> retrieved per ms
> 
> 47,422 verses (entire nt of BBE, KJV, WEB, BWE, ISV, LITV) in 2.573 sec =
> 18.4 verses retrieved per ms.
> 
> ***************************
> ***************************
> 
> The "simplified" interfaces use
> VerseKey vk(2, 10, 2, 8) rather than VerseKey("Eph 2:8") to avoid parsing.
> They don't allow something like:
> VerseKey("Malachi 3:4-Matthew 1:6 ; Eph 2:8-10");
> 
> They seem to be about 10x faster for retrieving individual verses. I'm going
> to try to get some timings for fetching an entire chapter using the full
> sword-api. Note that the resulting libswordvc6.lib can be about 1/20 the
> size.
> 
> Above timings were with a 2200+ AMD, 512meg 2700 memory, and 120gb+8meg
> cache IDE drive.
> 
> 
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