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IRC log for #luanti, 2025-04-15

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All times shown according to UTC.

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04:06 MTDiscord <prounce> no they just need to aim for 10x the fps they want the average user to get
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04:27 MTDiscord <warr1024> That'd be very difficult to make work even if GPU was the only constraint.
04:27 MTDiscord <prounce> I get over 1400 fps in minecraft with a fairly mid range build
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08:25 sfan5 cheapie: you think the view range is too high?
08:31 sfan5 !tell ireallyhateirc try to isolate the condition that causes the problem: try it with a dummy backend / the world in RAM, try it on a LAN server, try it with an empty minetest.conf, etc.
08:31 MinetestBot sfan5: I'll pass that on when ireallyhateirc is around
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08:38 sfan5 !tell ireallyhateirc I have hardware specs similar/worse than yours and this doesn't happen for me. AMD Ryzen 5 3600 (6C12T) | Radeon RX 6600 | 16GB RAM | 8-year old SATA SSD
08:38 MinetestBot sfan5: I'll pass that on when ireallyhateirc is around
09:11 cheapie sfan5: In plain MTG with a brand-new world with nothing in it it's fine, but once you add mods and a few buildings it's a pretty bad experience for anyone on lower-end hardware (which seems to be most players) unless they turn the view range down.
09:11 cheapie Which might not seem like a big deal, but most of the players I talk to are seemingly unaware they even *can* turn it down
09:14 sfan5 you can't do it without leaving the game in android for one (afaik)
09:19 sfan5 it heavily depends on what kind of building. if it's in the style of VE-Creative's spawn area then yeah that's no surprise.
09:20 sfan5 sure the engine should be rendering it more efficiently, but it currently doesn't and I think that's more of an extreme case
09:23 cheapie Yeah, VE-C is a bit extreme, I still see the same issues elsewhere though, just less so
09:23 sfan5 where is "elsewhere"?
09:23 cheapie Other servers
09:24 cheapie (like, every other server I've been on, except the ones with nothing built)
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13:05 MinetestBot ireallyhateirc: Apr-15 08:31 UTC <sfan5> try to isolate the condition that causes the problem: try it with a dummy backend / the world in RAM, try it on a LAN server, try it with an empty minetest.conf, etc.
13:05 MinetestBot ireallyhateirc: Apr-15 08:38 UTC <sfan5> I have hardware specs similar/worse than yours and this doesn't happen for me. AMD Ryzen 5 3600 (6C12T) | Radeon RX 6600 | 16GB RAM | 8-year old SATA SSD
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14:32 ireallyhateirc sfan5, I'll try this. In fact a my base settings I usually use make the lags more apparent. I switched to default settings in hope that someone would reproduce it easily but nah.
14:34 ireallyhateirc I'd like to hear more about dummy backend, as for world in RAM I guess I'll read about making RAM disks
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14:58 sfan5 dummy backend is "keep the world database in ram, it gets lost on exit"
14:59 sfan5 ramdisk is mount - /some/path -t tmpfs
14:59 sfan5 on some distros /tmp itself is a tmpfs
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15:26 [MatrxMT] <Blockhead256> I've heard that when you have spare memory Linux will put disk blocks in cache
15:26 [MatrxMT] <Blockhead256> this is not that efficient in the end because the blocks are compressed and need to go through compression/decompression between memory and storage
15:26 [MatrxMT] <Blockhead256> I suppose that Redis helps with this?
15:26 [MatrxMT] <Blockhead256> *the Luanti mapblocks are compressed
15:28 [MatrxMT] <Blockhead256> that is, would Redis be a better improvement than putting sqlite on tmpfs?
15:37 sfan5 since in this case we just want to test there's no point in using redis
15:37 sfan5 I also don't think the linux disk caching behavior is related here
15:44 [MatrxMT] <Blockhead256> true, what I've asked is not really helpful to troubleshooting
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16:05 tzenfore Hello!
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16:44 ireallyhateirc Ok so small update: these lags are several times more frequent while in a boat compared to just flying
16:46 ireallyhateirc which is interesting because flying is 2-3 times faster and so it means more blocks generated
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17:57 MTDiscord <bastrabun> Some nodedefintions in MTG have a node=1 group. What does it mean? Example on xpanes:door_steel_bar: https://github.com/luanti-org/minetest_game/blob/master/mods/xpanes/init.lua#L226
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18:31 [MatrxMT] <grorp> overrides the category/tab it's shown on in MTG's creative inventory formspec iirc
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19:43 MinetestBot [git] sfence -> luanti-org/luanti: Expand usable range of fill_ratio to about 2.3e-10 (#16026) a9c197b https://github.com/luanti-org/luanti/commit/a9c197b1e5d7265e88219aacef53965a22257fda (2025-04-15T19:42:12Z)
19:43 MinetestBot [git] sfan5 -> luanti-org/luanti: Reuse some allocations in ClientMap rendering 37d2bc8 https://github.com/luanti-org/luanti/commit/37d2bc8a5fad4fe84b1361ba38c1c9faac2c1660 (2025-04-15T19:42:39Z)
19:43 MinetestBot [git] sfan5 -> luanti-org/luanti: Expand workarounds for format inconsistency with BGRA8888 extension o… cf07b56 https://github.com/luanti-org/luanti/commit/cf07b56235dfd14148f614bf535838023dbef143 (2025-04-15T19:42:47Z)
19:43 MinetestBot [git] sfan5 -> luanti-org/luanti: Make ETLF_FLIP_Y_UP_RTT work for texture download on GLES 04e8274 https://github.com/luanti-org/luanti/commit/04e82749db3c3d08d525e2ab05296da593c27010 (2025-04-15T19:42:47Z)
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