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TLDR: Please play vs my new DilliDalli AI and let me know how it goes!
Hi everyone - just wanted to make a quick post to officially announce my DilliDalli AI, which I am hoping can start to give humans a challenge in 1v1 situations (without the use of cheat multipliers / vision).
The AI is in the mod vault so feel free to give it a go if that sounds interesting! I'd love to use this thread to announce improvements I make, and also to get feedback from you guys. Any replays IDs you have playing my AI are super valuable - I can automate AI vs AI games but there's nothing like testing against the real deal.
Right now I'd give it ~600 rating for 5x5 and 10x10 maps, but I'm really not too sure (which is where you can all help out).
Under the hood it's a complete AI framework rewrite (~0 code overlap with anything else AI after initialisation), which (I believe) gives me the flexibility to tune up some more competitive behaviours. Watch this space because there's all sort of improvements in the pipeline (like actually teaching it how to move air units). Feel free to ask questions about all that too if you're interested, probably going to make some separate posts at some point talking about it in depth and trying to get more people involved in development.
I did a quick couple of tests using my custom profiler that I developed originally for testing my AI, and found that in normal conditions the % of time spend in the two veterancy functions in question did not exceed ~0.2% of total sim compute time. This test was done in a 4v4 between my AIs, which are currently very land focussed.
In ASF vs ASF tests I was able to get it up to at most ~2% of total sim compute time, but during the periods of negative sim speed it was at most ~0.7%.
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Overall my conclusion is that the rest of the sim scales worse than these veterancy functions, and they have a negligible effect most of the time. By all means feel free to change the vet system, but it probably doesn't need to be for performance reasons.
Cautionary note: this method for profiling may not give completely accurate results for many calls of a low cost function due to the error associated with getting system time and the precision of system time provided. If anyone wants to jump in and check how these errors might have affected it go right ahead
For completeness, a link to my profiling code and my hook of the Unit class for testing:
YeOldeUnitThingy = Unit local PROFILER = import('/mods/DilliDalli/lua/AI/DilliDalli/Profiler.lua').GetProfiler() Unit = Class(YeOldeUnitThingy) { VeterancyDispersal = function(self, suicide) local start = PROFILER:Now() YeOldeUnitThingy.VeterancyDispersal(self, suicide) PROFILER:Add("VeterancyDispersal",PROFILER:Now()-start) end, DoTakeDamage = function(self, instigator, amount, vector, damageType) local start = PROFILER:Now() YeOldeUnitThingy.DoTakeDamage(self, instigator, amount, vector, damageType) PROFILER:Add("DoTakeDamage",PROFILER:Now()-start) end, }
Some output from tests:
4v4 AI match, ~15 mins ~1k units on the map: info: Time per game second:0.32s, Top Costs: DoTakeDamage-0.16%, VeterancyDispersal-0.01%, info: Time per game second:0.34s, Top Costs: DoTakeDamage-0.14%, VeterancyDispersal-0.02%, info: Time per game second:0.31s, Top Costs: DoTakeDamage-0.15%, VeterancyDispersal-0.01%,
100 vs 100 ASF: INFO: Time per game second:0.17s, Top Costs: DoTakeDamage-0.65%, VeterancyDispersal-0.09%, INFO: Time per game second:0.17s, Top Costs: DoTakeDamage-0.97%, VeterancyDispersal-0.11%, INFO: Time per game second:0.17s, Top Costs: DoTakeDamage-0.75%, VeterancyDispersal-0.11%, INFO: Time per game second:0.17s, Top Costs: DoTakeDamage-0.58%, VeterancyDispersal-0.11%,
1000 vs 1000 ASF: INFO: Time per game second:17.49s, Top Costs: DoTakeDamage-0.14%, VeterancyDispersal-0.00%, INFO: Time per game second:4.23s, Top Costs: DoTakeDamage-0.24%, VeterancyDispersal-0.02%, INFO: Time per game second:2.60s, Top Costs: DoTakeDamage-0.47%, VeterancyDispersal-0.06%, INFO: Time per game second:1.98s, Top Costs: DoTakeDamage-0.71%, VeterancyDispersal-0.09%, INFO: Time per game second:1.26s, Top Costs: DoTakeDamage-1.17%, VeterancyDispersal-0.14%, INFO: Time per game second:0.92s, Top Costs: DoTakeDamage-1.07%, VeterancyDispersal-0.16%, INFO: Time per game second:0.59s, Top Costs: DoTakeDamage-2.25%, VeterancyDispersal-0.15%, INFO: Time per game second:0.44s, Top Costs: DoTakeDamage-1.25%, VeterancyDispersal-0.18%,
AI vs AI game results are as follows:
Head to head results: (AI by row, opponent by column, points are "for the AI, against the opponent")
Raw (JSON formatted) results as output from my script: results.txt
I'll enter DilliDalli and get it to support the nomads faction in the next update (in the next week or so).
I'll sign an AI up, a new one if I can get it working or just Dilli otherwise
Yep - the ACU aggressiveness is a bit... over tuned right now; rewriting the ACU behaviour is probably my next task (in the meantime I tuned it down slightly, but it still won't be very good right now).
The cheating strength will very much depend on the cheat factors you applied, I'd certainly hope that with cheats on it'd be able to catch people off guard though.
New update with a 47% less spicy commander, as well as improvements to air unit control.
There's such a thing as too spicy!
My automated AI testing tool can be found here: https://github.com/HardlySoftly/FAF-AI-Autorun
Feedback/suggestions welcome