WIP routesearch; next optimisation to do (callgrind says SQL is 50%)

diff --git a/yarrg/TODO b/yarrg/TODO
index 80ec177bde915740a8428b5ff78b19f74bd4948e..28df53f9f430c8e93bdc3be5f5fa5471fa152aa4 100644 (file)
--- a/yarrg/TODO
+++ b/yarrg/TODO
@@ -1,10 +1,14 @@
 route optimiser
 route optimiser

+ performance improvements
+ - select * from buy, sell where
+       buy.commodid==sell.commodid and buy.price > sell.price;
+    and cache the results in core
+ - same for ite

  - fast version of rsvalue.c ?
        time ./routesearch -DN 13460 20210 -1 0.005 search 30 7
        46.478s without -DN
         9.923 9.920 10.026 9.963 10.072 with -DN
         9.905 9.935  9.948 9.916  9.997 with debugging compiled right out
  - fast version of rsvalue.c ?
        time ./routesearch -DN 13460 20210 -1 0.005 search 30 7
        46.478s without -DN
         9.923 9.920 10.026 9.963 10.072 with -DN
         9.905 9.935  9.948 9.916  9.997 with debugging compiled right out

- - performance improvements

 
 create index sell_by_islandonly on sell (islandid, commodid, price);
 
 
 create index sell_by_islandonly on sell (islandid, commodid, price);