Frames per second drop dramatically when I'm over this ocean ravine with plenty of bubble columns. With only 1 or 2 fps the game becomes unplayable:
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violine1101
This might or might not be the same issue as MC-124170. Marking as related.
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Can confirm the issue remains in 18w16a, though I personally only experienced noticeable FPS drop with the Soul Sand. The problem persist without much improvement even if I disable particles in the options though, so issue may go deeper than just the particle spam itself.
Edit: Issue still in 18w19 updates (tested on both a and b). I still do not experience any issue with the magma blocks, so perhaps those have been fixed? But 6-9 Soul Sand bubble columns will [when I'me near their area] cut my FPS in half, make gameplay jerky and slow (even with FPS still over 60), and make all sounds get cut off. Similar game behavior can essentially be achieved with a mob farm getting crowded with dozens of mobs.
Edit: In 18w20a the Soul Sand performance seems to have improved, but is still not as optimized as the magma block seems to be, but at least now you can use one block without it causing any noticeable stutters.
kumasasa
@unknown, is this issue now fixed or still open?
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Unless there's some technical differences to why the soul sand block can't be as optimized as the magma block, then no, it's not solved.
kumasasa
@unknown, please do a re-test in 18w20b
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Confirmed in 1.13!
When you looking from top on a huge source water field (20x20 and 2 high) and the ground is made of soul sand the fps drops to 1-2. From side it's not so drastic.
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Confirmed in 1.13.1!
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I just encountered this today. 1.13.1, Java 64-bit 10.0.2, Win7, 3GHz core i7, 4GB memory allocated to Java. I've covered the bubble columns (12 total, soul sand @ 36, bubble column to 93 encased in stone bricks. FPS begins to improve when I am around 7 blocks away. Closer than that, my frame rate drops to 1-2.
Asteraoth
Bubble columns are particles. Use the seed 107038380838084 and hit F3, you will notice that the particle count is around 1000. Run the command /tp @s 257.46 26.36 212.04 with render distance set to 15 chunks. You will see that the particle count is around 16k. Another proof is /particle minecraft:bubble_column_up. So, this would be the same issue as MC-124170.
Ah yes. The good old lesson that teaches us you have a bad pc or you need to turn down your particles. Seriously though, the lag is unbearable when you reach the bottom and the fps drop makes it worse since we won't know where we are going. Reduce the size of this feature or reduce the bubbles produced (I suggest the bubbles)