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"Android App Performance Optimization" Chapter 4th Efficient Use of memory

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Author: User
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Local type Size Bytes
Boolean Jboolean 8-bit (depends on VM) 1
Byte Jbyte 8 Guests 1
Char Jchar 16 Guests 2
Short Jshort 16 Guests 2
Int Jint 32 Guests 4
Long Jlong 64 guests 8
Float Jfloat 32 Guests 4
Double Jdouble 64 guests

8

Performance is mainly determined by the following three factors:

How the CPU manipulates a particular data type;

How much storage space the data and instructions need to occupy;

The layout of the data in memory.

"Android App Performance Optimization" Chapter 4th Efficient Use of memory

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