-
AltiVec is a single-precision
floating point and
integer SIMD
instruction set
designed and
owned by Apple, IBM, and
Freescale Semiconductor (formerly...
- swap
bytes and undo the exclusive-OR when
accessing little-endian chips.
AltiVec operations,
despite being 128-bit, are
treated as if they were 64-bit....
-
architecture in 1996. This
sparked the
introduction of the much more
powerful AltiVec system in the
Motorola PowerPC and IBM's
POWER systems.
Intel responded...
-
applications designed to take
advantage of the
AltiVec unit. Some
examples are
Adobe Photoshop which utilises the
AltiVec unit for
faster rendering of
effects and...
-
auxiliary processing units like
digital signal processors (DSPs) and the
AltiVec extension. Book II –
Virtual Environment Architecture defines the storage...
- double-precision floating-point units, two load/store
units and two
AltiVec units. One of the
AltiVec units executes integer and floating-point instructions, and...
- only
intercept and
emulate user-level code. It
translates G3, G4, and
AltiVec instructions, but not G5 instructions.
Although most
commercial software...
- On the
other hand, hand-tuned ****embly
language programs using MMX or
AltiVec extensions and
performing data
prefetches (as a good
video encoder might)...
- Additionally, IBM has
included an
AltiVec (VMX) unit
which is
fully pipelined for
single precision floating point (
Altivec 1 does not
support double precision...
-
technologies like the Vector-Media
Extensions known under the
brand name
AltiVec (also
called VMX by IBM) and
hardware virtualization. This new ISA was...
