On Mon, Feb 18, 2013 at 11:03 AM, Pekka Jääskeläinen <
[email protected]> wrote:
> On 02/18/2013 04:58 PM, Erik Schnetter wrote:
> > What is missing is integrating this with pocl's build system, and
> > autoconf'ing building C++ files.
>
> The plan is to have also the generated C++ implementations added to the
> pocl, right? Similarly to the convert_type.py. That is, the developers
> or the users of pocl are not going to need to have Vecmathlib available
> to benefit from its fast implementations.
>
> Thus, the build system of pocl should compile the pregenerated
> implementations if C++ is available (and use them over the "default ones"),
> and there should be a script or a makefile for easily regenerating the
> implementations (e.g., after Vecmathlib is improved)?
>
Yes, this is the plan.
Vecmathlib is written in C++ using templates. To generate header files and
implementations for pocl, I created a Python script that mimics the C
preprocessor magic that we currently use for this. This script creates a
set of files (some C++, some OpenCL) that need to be compiled. This is very
similar to how the kernel functions are currently implemented, except that
there are (necessarily) also C++ files.
Yes, if C++ is not available, the current functions should be used instead
as fallback; things need to continue to work without C++.
Yes, this script (generating the C++ and OpenCL files) is currently run as
part of the build process.
Vecmathlib uses cmake. Some of this logic needs to be converted to
automake; this is what I called "missing" above.
-erik
--
Erik Schnetter <[email protected]>
http://www.perimeterinstitute.ca/personal/eschnetter/
AIM: eschnett247, Skype: eschnett, Google Talk: [email protected]
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