Hello Mehran,
Le 05/08/2014 08:35, A Khorshidi a écrit :
Hi;
One reason for using integer type is to save memory space, isn't it?
However, whos() gives us 24 bytes as storage space for both integer
and double data types.
A scalar number is considered as a 1x1 matrix. For any matrix, some room
is needed to record the number of rows, of columns, the type of the
matrix, etc.
If you do the same test for a large matrix, the memory used becomes
asymptotically proportionnal to the matrix size:
-->var1 = int8(rand(1000,1000)*64); // 1 byte integer representation
-->whos -name var1
Name Type Size Bytes
var1 int8 1000 by 1000 1000024
The way how Scilab stores variables in memory is described here:
http://wiki.scilab.org/Memory%20representation%20of%20variables
Best regards
Samuel
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