Science Memes

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Explain yourselves, comp sci. (mander.xyz)

submitted 6 months ago by fossilesque@mander.xyz to c/science_memes@mander.xyz

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[–] fossilesque@mander.xyz 0 points 6 months ago (1 children)

[–] Fosheze@lemmy.world 0 points 6 months ago* (last edited 6 months ago) (1 children)

It's a dynamically-sized list of objects of the same type stored contiguously in memory.

dynamically-sized: The size of it can change as needed.

list: It stores multiple things together.

object: A bit of programmer defined data.

of the same type: all the objects in the list are defined the same way

stored contigiously in memory: if you think of memory as a bookshelf then all the objects on the list would be stored right next to each other on the bookshelf rather than spread across the bookshelf.

[–] kbotc@lemmy.world 0 points 6 months ago (1 children)

Dynamically sized but stored contiguously makes the systems performance engineer in me weep. If the lists get big, the kernel is going to do so much churn.

[–] Killing_Spark@feddit.de 0 points 6 months ago

Contiguous storage is very fast in terms of iteration though often offsetting the cost of allocation