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Write about multiple reads and writes

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Denton Liu 2016-08-26 13:25:57 -04:00
parent 89489da4cc
commit 2d834f723a
1 changed files with 3 additions and 3 deletions
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docs/miscellaneous.rst
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@ -22,9 +22,9 @@ Statically-sized variables (everything except mapping and dynamically-sized arra
bytes to the desired size.
It is only beneficial to use reduced-size arguments if you are dealing with storage values
because the compiler will pack multiple elements into one storage slot. When dealing with
function arguments or memory values, there is no inherent benefit because the compiler does not
pack these values.
because the compiler will pack multiple elements into one storage slot, and thus, combine
multiple reads or writes into a single operation. When dealing with function arguments or memory
values, there is no inherent benefit because the compiler does not pack these values.
Finally, in order to allow the EVM to optimize for this, ensure that you try to order your
storage variables such that they can be packed tightly. For example, declaring your storage