RE: Register Pressure guided Unroll and Jam in GCC !!

2014-06-17 Thread Bingfeng Mei
Subject: Re: Register Pressure guided Unroll and Jam in GCC !! On 2014-06-16, 10:14 AM, Ajit Kumar Agarwal wrote: > Hello All: > > I have worked on the Open64 compiler where the Register Pressure Guided > Unroll and Jam gave a good amount of performance improvement for the C and > C++

Re: Register Pressure guided Unroll and Jam in GCC !!

2014-06-16 Thread Aaron Sawdey
On Mon, 2014-06-16 at 14:42 -0400, Vladimir Makarov wrote: > On 2014-06-16, 2:25 PM, Aaron Sawdey wrote: > > On Mon, 2014-06-16 at 14:14 +, Ajit Kumar Agarwal wrote: > >> Hello All: > >> > >> I have worked on the Open64 compiler where the Register Pressure Guided > >> Unroll and Jam gave a goo

Re: Register Pressure guided Unroll and Jam in GCC !!

2014-06-16 Thread Vladimir Makarov
On 2014-06-16, 2:25 PM, Aaron Sawdey wrote: On Mon, 2014-06-16 at 14:14 +, Ajit Kumar Agarwal wrote: Hello All: I have worked on the Open64 compiler where the Register Pressure Guided Unroll and Jam gave a good amount of performance improvement for the C and C++ Spec Benchmark and also F

Re: Register Pressure guided Unroll and Jam in GCC !!

2014-06-16 Thread Vladimir Makarov
On 2014-06-16, 10:14 AM, Ajit Kumar Agarwal wrote: Hello All: I have worked on the Open64 compiler where the Register Pressure Guided Unroll and Jam gave a good amount of performance improvement for the C and C++ Spec Benchmark and also Fortran benchmarks. The Unroll and Jam increases the re

Re: Register Pressure guided Unroll and Jam in GCC !!

2014-06-16 Thread Aaron Sawdey
On Mon, 2014-06-16 at 14:14 +, Ajit Kumar Agarwal wrote: > Hello All: > > I have worked on the Open64 compiler where the Register Pressure Guided > Unroll and Jam gave a good amount of performance improvement for the C and > C++ Spec Benchmark and also Fortran benchmarks. > > The Unroll a

RE: Register Pressure guided Unroll and Jam in GCC !!

2014-06-16 Thread Richard Biener
athail; >Shail Aditya Gupta; Vidhumouli Hunsigida; Nagaraju Mekala >Subject: Re: Register Pressure guided Unroll and Jam in GCC !! > >On Mon, Jun 16, 2014 at 4:14 PM, Ajit Kumar Agarwal > wrote: >> Hello All: >> >> I have worked on the Open64 compiler where the Regis

RE: Register Pressure guided Unroll and Jam in GCC !!

2014-06-16 Thread Ajit Kumar Agarwal
Pressure guided Unroll and Jam in GCC !! On Mon, Jun 16, 2014 at 4:14 PM, Ajit Kumar Agarwal wrote: > Hello All: > > I have worked on the Open64 compiler where the Register Pressure Guided > Unroll and Jam gave a good amount of performance improvement for the C and > C++ Spec Ben

Re: Register Pressure guided Unroll and Jam in GCC !!

2014-06-16 Thread Richard Biener
On Mon, Jun 16, 2014 at 4:14 PM, Ajit Kumar Agarwal wrote: > Hello All: > > I have worked on the Open64 compiler where the Register Pressure Guided > Unroll and Jam gave a good amount of performance improvement for the C and > C++ Spec Benchmark and also Fortran benchmarks. > > The Unroll and J

Register Pressure guided Unroll and Jam in GCC !!

2014-06-16 Thread Ajit Kumar Agarwal
Hello All: I have worked on the Open64 compiler where the Register Pressure Guided Unroll and Jam gave a good amount of performance improvement for the C and C++ Spec Benchmark and also Fortran benchmarks. The Unroll and Jam increases the register pressure in the Unrolled Loop leading to inc