Chunks in the World are currently stored in a <code c

perf output: <div class="snippet-clipboard-conten

Research more efficient World storage about plantex HOT 2 OPEN

osnacs commented on July 22, 2024

Research more efficient World storage

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Comments (2)

jonas-schievink commented on July 22, 2024

perf output:

   8,67%  plantex  plantex                     [.] glium::program::uniforms_storage::UniformsStorage::set_uniform_value::ha5e5f596cb2f2efe
   7,27%  plantex  plantex                     [.] client::render::Renderer::render::hcc24235783bb4164
   6,72%  plantex  plantex                     [.] _$LT$hash..sip..SipHasher$u20$as$u20$hash..Hasher$GT$::write::he3cca41a9c199b36
   6,54%  plantex  plantex                     [.] _$LT$hash..sip..SipHasher$u20$as$u20$hash..Hasher$GT$::finish::hcaaa5006afab4023
   4,08%  plantex  plantex                     [.] _$LT$hash..sip..SipHasher$u20$as$u20$hash..Hasher$GT$::write::he3cca41a9c199b36
   4,01%  plantex  plantex                     [.] _$LT$program..program..Program$u20$as$u20$ProgramExt$GT$::get_uniform::h98f3787d3c45f7b5
   3,50%  plantex  plantex                     [.] _$LT$hash..sip..SipHasher$u20$as$u20$hash..Hasher$GT$::finish::hcaaa5006afab4023
   3,45%  plantex  plantex                     [.] glium::draw_parameters::sync::he374d9e2f3825e96
   2,95%  plantex  plantex                     [.] glium::vertex_array_object::Binder::bind::hc8a902c9ed8a805f

Do we use a HashMap anywhere else?

EDIT: This seems to be #61 and not this - We don't seem to access the HashMap in the render loop

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Cranc commented on July 22, 2024

i remembered sometime ago reading about "voxel engines" one part of it was read times of different types of different data structures.
if i remember correctly it turned out that "Interval tree + hashing" is by far one of the best ways if you do not have random reads, which isn't really the case here.

ps: found the repository again git repo

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