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Oracle® Developer Studio 12.6: Performance Library User's Guide

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Updated: July 2017
 
 

Comparison of 32-Bit and 64-Bit Environments

The following table shows a comparison of the 32-bit and 64-bit operating environments. These items are described in greater detail in the following sections.

Table 1  Comparison of 32-bit and 64-bit Operating Environments
32-bit (ILP 32)
64-bit (LP64)
-xarch on SPARC platforms
sparcvis, sparcvis2, sparcfmaf
sparcvis, sparcvis2, sparcfmaf
-xarch on x86 platforms
generic, sse2
sse2
addressing
-m32
-m64
Fortran Integers
INTEGER, INTEGER*4
INTEGER*8
C Integers
int
long
Floating-point
S/D/C/Z
S/D/C/Z
API
Names of routines
Names of routines with _64 suffix