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

Jan Vesely jan.vesely at rutgers.edu
Wed May 6 06:39:58 PDT 2015


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



> 
> 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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