diff options
| -rw-r--r-- | doc/todo/should_optimise_pagespecs.mdwn | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/doc/todo/should_optimise_pagespecs.mdwn b/doc/todo/should_optimise_pagespecs.mdwn index 2dd1f7b9e..5dd3b1e34 100644 --- a/doc/todo/should_optimise_pagespecs.mdwn +++ b/doc/todo/should_optimise_pagespecs.mdwn @@ -264,6 +264,9 @@ might well be experimental error, for that matter). > `add_depends` had no effect. So, the commit message to > b6fcb1cb0ef27e5a63184440675d465fad652acf is actually wrong.. ? --[[Joey]] +>> I'll try benchmarking again on the non-public wiki where I had the 4% +>> speedup. The docwiki is so small that 4% is hard to measure... --[[smcv]] + Not saving {depends} to the index, using a hash instead of a list to de-duplicate, and allowing add_depends to take an arrayref instead of a single pagespec had no noticable positive or negative effect on this test. @@ -271,11 +274,17 @@ pagespec had no noticable positive or negative effect on this test. > I see e4cd168ebedd95585290c97ff42234344bfed46c is still in your branch > though. I don't like using an arrayref, it could just take `($page, @depends)`. > and I don't see the need to keep it if it doesn't currently help. -> + +>> I'll drop it. --[[smcv]] + > Is there any reason to keep 7227c2debfeef94b35f7d81f42900aa01820caa3 > if it doesn't improve speed? > --[[Joey]] +>> I'll try benchmarking on a more complex wiki and see whether it has a +>> positive or negative effect. It does avoid being O(n**2) in number of +>> dependencies. --[[smcv]] + Memoizing the results of pagename brought the rebuild time down to 14.06s and the refresh time down to 7.96/7.92/7.92, a significant win. @@ -283,6 +292,9 @@ and the refresh time down to 7.96/7.92/7.92, a significant win. > called with a great many inputs.) Why did you chose to memoize it > explicitly rather than adding it to the memoize list at the top? +>> It does depend on global variables, so using Memoize seemed like asking for +>> trouble. I suppose what I did is equivalent to Memoize though... --[[smcv]] + Refactoring to use pagespec_match_list looks more risky from a code churn point of view; rebuild now takes 14.35s, but refresh is only 7.30/7.29/7.28, another significant win. |