Arena storage pool: Difference between revisions
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That said, using J's built-in support for integers (and for using them) usually results in better code.
=={{header|Julia}}==
All program elements in Julia are dynamically allocated objects which are garbage collected
as required after they are out of scope. If a specific storage pool is needed in advance, perhaps for
performance reasons, the pool can be optionally preallocated as an array or other large structure.
For example, a large 1000 X 1000 X 1000 matrix that will need to be changed repeatedly might be
allocated and initialized to zero with:
<lang julia>
matrix = zeros(Float64, (1000,1000,1000))
# use matrix, then when done set variable to 0 to garbage collect the matrix:
matrix = 0 # large memory pool will now be collected when needed
</lang>
=={{header|Kotlin}}==
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