[Libclc-dev] [PATCH 03/15] Implement fast_normalize builtin v3

Tom Stellard tom at stellard.net
Wed May 6 13:45:45 PDT 2015


On Wed, May 06, 2015 at 09:39:58AM -0400, Jan Vesely wrote:
> On Fri, 2015-04-10 at 19:23 -0400, Jan Vesely wrote:
> > On Tue, 2015-04-07 at 18:05 +0000, Tom Stellard wrote:
> > > This implementation was ported from the AMD builtin library
> > > and has been tested with piglit, OpenCV, and the ocl conformance tests.
> > > 
> > > v2:
> > >   - Remove f suffix from constant in double implementations.
> > >   - Consolidate implementations using the .cl/.inc approach.
> > > 
> > > v3:
> > >  - Use __CLC_FPSIZE instead of __CLC_FP{32,64}
> > > ---
> > >  generic/include/clc/clc.h                        |  1 +
> > >  generic/include/clc/geometric/fast_normalize.h   | 24 ++++++++++++++
> > >  generic/include/clc/geometric/fast_normalize.inc | 24 ++++++++++++++
> > >  generic/include/clc/geometric/floatn.inc         |  8 +++++
> > >  generic/lib/SOURCES                              |  1 +
> > >  generic/lib/geometric/fast_normalize.cl          | 40 ++++++++++++++++++++++++
> > >  generic/lib/geometric/fast_normalize.inc         | 39 +++++++++++++++++++++++
> > >  7 files changed, 137 insertions(+)
> > >  create mode 100644 generic/include/clc/geometric/fast_normalize.h
> > >  create mode 100644 generic/include/clc/geometric/fast_normalize.inc
> > >  create mode 100644 generic/lib/geometric/fast_normalize.cl
> > >  create mode 100644 generic/lib/geometric/fast_normalize.inc
> > > 
> > > diff --git a/generic/include/clc/clc.h b/generic/include/clc/clc.h
> > > index b5ecda3..f3eaea2 100644
> > > --- a/generic/include/clc/clc.h
> > > +++ b/generic/include/clc/clc.h
> > > @@ -129,6 +129,7 @@
> > >  #include <clc/geometric/dot.h>
> > >  #include <clc/geometric/fast_distance.h>
> > >  #include <clc/geometric/fast_length.h>
> > > +#include <clc/geometric/fast_normalize.h>
> > >  #include <clc/geometric/length.h>
> > >  #include <clc/geometric/normalize.h>
> > >  
> > > diff --git a/generic/include/clc/geometric/fast_normalize.h b/generic/include/clc/geometric/fast_normalize.h
> > > new file mode 100644
> > > index 0000000..cba69c2
> > > --- /dev/null
> > > +++ b/generic/include/clc/geometric/fast_normalize.h
> > > @@ -0,0 +1,24 @@
> > > +/*
> > > + * Copyright (c) 2014,2015 Advanced Micro Devices, Inc.
> > > + *
> > > + * Permission is hereby granted, free of charge, to any person obtaining a copy
> > > + * of this software and associated documentation files (the "Software"), to deal
> > > + * in the Software without restriction, including without limitation the rights
> > > + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> > > + * copies of the Software, and to permit persons to whom the Software is
> > > + * furnished to do so, subject to the following conditions:
> > > + *
> > > + * The above copyright notice and this permission notice shall be included in
> > > + * all copies or substantial portions of the Software.
> > > + *
> > > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> > > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> > > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> > > + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> > > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> > > + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> > > + * THE SOFTWARE.
> > > + */
> > > +
> > > +#define __CLC_BODY <clc/geometric/fast_normalize.inc>
> > > +#include <clc/geometric/floatn.inc>
> > > diff --git a/generic/include/clc/geometric/fast_normalize.inc b/generic/include/clc/geometric/fast_normalize.inc
> > > new file mode 100644
> > > index 0000000..3ef8f86
> > > --- /dev/null
> > > +++ b/generic/include/clc/geometric/fast_normalize.inc
> > > @@ -0,0 +1,24 @@
> > > +/*
> > > + * Copyright (c) 2014,2015 Advanced Micro Devices, Inc.
> > > + *
> > > + * Permission is hereby granted, free of charge, to any person obtaining a copy
> > > + * of this software and associated documentation files (the "Software"), to deal
> > > + * in the Software without restriction, including without limitation the rights
> > > + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> > > + * copies of the Software, and to permit persons to whom the Software is
> > > + * furnished to do so, subject to the following conditions:
> > > + *
> > > + * The above copyright notice and this permission notice shall be included in
> > > + * all copies or substantial portions of the Software.
> > > + *
> > > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> > > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> > > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> > > + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> > > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> > > + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> > > + * THE SOFTWARE.
> > > + */
> > > +
> > > +
> > > +_CLC_OVERLOAD _CLC_DECL __CLC_FLOATN fast_normalize(__CLC_FLOATN p);
> > > diff --git a/generic/include/clc/geometric/floatn.inc b/generic/include/clc/geometric/floatn.inc
> > > index fb7a9ae..2c8e2d8 100644
> > > --- a/generic/include/clc/geometric/floatn.inc
> > > +++ b/generic/include/clc/geometric/floatn.inc
> > > @@ -1,8 +1,11 @@
> > >  #define __CLC_FLOAT float
> > > +#define __CLC_FPSIZE 32
> > >  
> > >  #define __CLC_FLOATN float
> > > +#define __CLC_SCALAR
> > >  #include __CLC_BODY
> > >  #undef __CLC_FLOATN
> > > +#undef __CLC_SCALAR
> > >  
> > >  #define __CLC_FLOATN float2
> > >  #include __CLC_BODY
> > > @@ -17,14 +20,18 @@
> > >  #undef __CLC_FLOATN
> > >  
> > >  #undef __CLC_FLOAT
> > > +#undef __CLC_FPSIZE
> > >  
> > >  #ifdef cl_khr_fp64
> > >  
> > >  #define __CLC_FLOAT double
> > > +#define __CLC_FPSIZE 64
> > >  
> > >  #define __CLC_FLOATN double
> > > +#define __CLC_SCALAR
> > >  #include __CLC_BODY
> > >  #undef __CLC_FLOATN
> > > +#undef __CLC_SCALAR
> > >  
> > >  #define __CLC_FLOATN double2
> > >  #include __CLC_BODY
> > > @@ -39,6 +46,7 @@
> > >  #undef __CLC_FLOATN
> > >  
> > >  #undef __CLC_FLOAT
> > > +#undef __CLC_FPSIZE
> > >  
> > >  #endif
> > >  
> > > diff --git a/generic/lib/SOURCES b/generic/lib/SOURCES
> > > index 92067ea..a4a017a 100644
> > > --- a/generic/lib/SOURCES
> > > +++ b/generic/lib/SOURCES
> > > @@ -38,6 +38,7 @@ geometric/distance.cl
> > >  geometric/dot.cl
> > >  geometric/fast_distance.cl
> > >  geometric/fast_length.cl
> > > +geometric/fast_normalize.cl
> > >  geometric/length.cl
> > >  geometric/normalize.cl
> > >  integer/abs.cl
> > > diff --git a/generic/lib/geometric/fast_normalize.cl b/generic/lib/geometric/fast_normalize.cl
> > > new file mode 100644
> > > index 0000000..d3d7846
> > > --- /dev/null
> > > +++ b/generic/lib/geometric/fast_normalize.cl
> > > @@ -0,0 +1,40 @@
> > > +/*
> > > + * Copyright (c) 2014,2015 Advanced Micro Devices, Inc.
> > > + *
> > > + * Permission is hereby granted, free of charge, to any person obtaining a copy
> > > + * of this software and associated documentation files (the "Software"), to deal
> > > + * in the Software without restriction, including without limitation the rights
> > > + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> > > + * copies of the Software, and to permit persons to whom the Software is
> > > + * furnished to do so, subject to the following conditions:
> > > + *
> > > + * The above copyright notice and this permission notice shall be included in
> > > + * all copies or substantial portions of the Software.
> > > + *
> > > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> > > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> > > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> > > + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> > > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> > > + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> > > + * THE SOFTWARE.
> > > + */
> > > +
> > > +#include <clc/clc.h>
> > > +
> > > +_CLC_OVERLOAD _CLC_DEF float fast_normalize(float p) {
> > > +  return normalize(p);
> > > +}
> > > +
> > > +#ifdef cl_khr_fp64
> > > +
> > > +#pragma OPENCL EXTENSION cl_khr_fp64 : enable
> > > +
> > > +_CLC_OVERLOAD _CLC_DEF double fast_normalize(double p) {
> > > +  return normalize(p);
> > > +}
> > 
> > similar here. the specs only mention fast_normalize for floatN, not
> > double.
> 
> I have a patch that covers this and the older fast_ and half_
> functions[0,1]
> LGTM.
> 
> again, sorry that it took so long. let me know if I missed a patch.
> 
> jan
> 
> [0]https://github.com/jvesely/libclc/commit/7208d2fdfb695c71ed8f0e48cbbcf8fc17a99100
> [1]https://github.com/jvesely/libclc/commit/f74294e527f31b664a3cdd86b2487c0640fa9d1d
> 

These LGTM, do you mind if I squash them with my fast_ and half_ patches?

-Tom

> 
> 
> > 
> > jan
> > 
> > > +
> > > +#endif
> > > +
> > > +#define __CLC_BODY <fast_normalize.inc>
> > > +#include <clc/geometric/floatn.inc>
> > > diff --git a/generic/lib/geometric/fast_normalize.inc b/generic/lib/geometric/fast_normalize.inc
> > > new file mode 100644
> > > index 0000000..fa3467c
> > > --- /dev/null
> > > +++ b/generic/lib/geometric/fast_normalize.inc
> > > @@ -0,0 +1,39 @@
> > > +/*
> > > + * Copyright (c) 2014,2015 Advanced Micro Devices, Inc.
> > > + *
> > > + * Permission is hereby granted, free of charge, to any person obtaining a copy
> > > + * of this software and associated documentation files (the "Software"), to deal
> > > + * in the Software without restriction, including without limitation the rights
> > > + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> > > + * copies of the Software, and to permit persons to whom the Software is
> > > + * furnished to do so, subject to the following conditions:
> > > + *
> > > + * The above copyright notice and this permission notice shall be included in
> > > + * all copies or substantial portions of the Software.
> > > + *
> > > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> > > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> > > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> > > + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> > > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> > > + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> > > + * THE SOFTWARE.
> > > + */
> > > +
> > > +#if __CLC_FPSIZE == 32
> > > +#define ZERO 0.0f
> > > +#else
> > > +#define ZERO 0.0
> > > +#endif
> > > +
> > > +#ifndef __CLC_SCALAR
> > > +
> > > +// Only handle vector implementations
> > > +_CLC_OVERLOAD _CLC_DEF __CLC_FLOATN fast_normalize(__CLC_FLOATN p) {
> > > +  __CLC_FLOAT l2 = dot(p, p);
> > > +  return l2 == ZERO ? p : p * half_rsqrt(l2);
> > > +}
> > > +
> > > +#endif
> > > +
> > > +#undef ZERO
> > 
> 
> -- 
> Jan Vesely <jan.vesely at rutgers.edu>



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