[Libclc-dev] [PATCH] Implement fast_normalize builtin v2

Thu Mar 19 10:22:47 PDT 2015

> On 19 Mar 2015, at 16:12, Tom Stellard <thomas.stellard at amd.com> 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.
> ---
> 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 77e0af9..b4409a7 100644
> --- a/generic/include/clc/clc.h
> +++ b/generic/include/clc/clc.h
> @@ -123,6 +123,7 @@
> #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..f9e3d30 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_FP32

In generic/include/clc/math/gentype.inc __CLC_FPSIZE is defined to achieve something similar. Maybe we should keep this consistent across the codebase?

> 
> #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_FP32
> 
> #ifdef cl_khr_fp64
> 
> #define __CLC_FLOAT double
> +#define __CLC_FP64

Same as above.

Jeroen

> 
> #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_FP64
> 
> #endif
> 
> diff --git a/generic/lib/SOURCES b/generic/lib/SOURCES
> index e01194f..9367c24 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);
> +}
> +
> +#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..fd44fe7
> --- /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.
> + */
> +
> +#ifdef __CLC_FP32
> +#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
> -- 
> 2.0.4
> 
> 
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