Matt Pharr 052d34bf5b Various cleanups to optimization code.
Stop using the PassManagerBuilder but add all of the passes directly in code here.
This currently leads to no different behavior, but was useful with experimenting
with disabling the SROA pass when compiling to generic targets.
2012-01-04 11:54:44 -08:00
2011-06-21 12:48:50 -07:00
2012-01-04 11:54:44 -08:00
2011-06-21 12:48:50 -07:00
2011-06-21 12:48:50 -07:00

==============================
Intel(r) SPMD Program Compiler
==============================

Welcome to the Intel(r) SPMD Program Compiler (ispc)!  

ispc is a new compiler for "single program, multiple data" (SPMD)
programs. Under the SPMD model, the programmer writes a program that mostly
appears to be a regular serial program, though the execution model is
actually that a number of program instances execute in parallel on the
hardware. ispc compiles a C-based SPMD programming language to run on the
SIMD units of CPUs; it frequently provides a a 3x or more speedup on CPUs
with 4-wide SSE units, without any of the difficulty of writing intrinsics
code.

ispc is an open source compiler under the BSD license; see the file
LICENSE.txt.  ispc supports Windows, Mac, and Linux, with both x86 and
x86-64 targets.  It currently supports the SSE2, SSE4, and AVX instruction
sets.

For more information and examples, as well as a wiki and the bug database,
see the ispc distribution site, http://ispc.github.com.
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