Re: [Olena-patches] [Olena] #126: Speed up tests

#126: Speed up tests --------------------------+------------------------------------------------- Reporter: levill_r | Owner: Olena Team Type: enhancement | Status: new Priority: major | Milestone: Olena 1.1 Component: Milena | Version: 1.0 Resolution: | Keywords: --------------------------+------------------------------------------------- Old description: New description: Some tests take a very long time to execute. Main causes are: * input image(s) are too big [[BR]] => they should be reduced (sometimes, testing on `lena.pgm` is just too costly); * the default, non-optimized compilation settings (`-O0 -ggdb`) produces very inefficient code for certain algorithms [[BR]] => we should locally increase the level of optimization (e.g., `-O1` or `-O2`) for these tests, and '''document''' this in `Makefile.am` (explain why we made changes in `CXXFLAGS` for a given test). Moreover, we should not use hard-coded flags, but rely on `configure` to discover (test) them. We might want to make a list of lengthy tests here before solving this ticket. Here is a beginning, for directories `milena/tests/border` and `milena/tests/morpho`. I (Roland) roughly listed tests taking more than 1 second to complete (compile time set aside): || '''test''' || '''`time` command''' || || milena/border/fill || 9,47s user 0,10s system 98% cpu 9,684 total || || milena/morpho/erosion || 13,61s user 0,11s system 97% cpu 14,026 total || || milena/morpho/hit_or_miss || 2,60s user 0,11s system 96% cpu 2,806 total || || milena/morpho/meyer_wst || 5,16s user 0,11s system 97% cpu 5,400 total || || milena/morpho/approx/dilation || 12,69s user 0,10s system 98% cpu 12,958 total || || milena/morpho/approx/erosion || 13,68s user 0,07s system 97% cpu 14,062 total || || milena/morpho/closing/structural || 4,10s user 0,10s system 97% cpu 4,318 total || || milena/morpho/closing/approx/structural || 20,90s user 0,11s system 98% cpu 21,330 total || || milena/morpho/opening/structural || 4,02s user 0,09s system 96% cpu 4,263 total || || milena/morpho/opening/approx/structural || 20,56s user 0,14s system 97% cpu 21,152 total || || milena/morpho/watershed/flooding || 8,04s user 0,09s system 98% cpu 8,250 total || || milena/morpho/watershed/topological || 5,93s user 0,07s system 97% cpu 6,150 total || -- Comment(by levill_r): Add figures about tests' execution times in `milena/tests/border` and `milena/tests/morpho`. -- Ticket URL: <https://trac.lrde.org/olena/ticket/126#comment:3> Olena <http://olena.lrde.epita.fr> Olena, a generic and efficient C++ image processing library.