KernelPanic@programming.dev to Programmer Humor@programming.devEnglish · 2 months agoLearning to program in rustprogramming.devvideomessage-square58fedilinkarrow-up1303arrow-down15
arrow-up1298arrow-down1videoLearning to program in rustprogramming.devKernelPanic@programming.dev to Programmer Humor@programming.devEnglish · 2 months agomessage-square58fedilink
minus-squaretatterdemalion@programming.devlinkfedilinkarrow-up5·2 months agoArc is not free, and the extra atomic operations + heap allocations can become a bottleneck.
minus-squarePlexSheep@infosec.publinkfedilinkarrow-up1·2 months agoOh, I did not know that. Well, it makes sense that it has a heap allocation, as it becomes more or less global. Though not sure why the atomic operations are needed when the value inside is immutable.
minus-squareMiaou@jlai.lulinkfedilinkarrow-up1·2 months agoHow can you otherwise keep track of an object’s lifetime if copies are made concurrently?
Arcis not free, and the extra atomic operations + heap allocations can become a bottleneck.Oh, I did not know that. Well, it makes sense that it has a heap allocation, as it becomes more or less global. Though not sure why the atomic operations are needed when the value inside is immutable.
How can you otherwise keep track of an object’s lifetime if copies are made concurrently?