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submodule
opencv
Commits
e6b1ccdc
Commit
e6b1ccdc
authored
Nov 12, 2012
by
Vladislav Vinogradov
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removed old reduce implementation
parent
e8f9762e
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865 deletions
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reduction_detail.hpp
...pu/include/opencv2/gpu/device/detail/reduction_detail.hpp
+0
-841
utility.hpp
modules/gpu/include/opencv2/gpu/device/utility.hpp
+0
-24
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modules/gpu/include/opencv2/gpu/device/detail/reduction_detail.hpp
deleted
100644 → 0
View file @
e8f9762e
/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
#ifndef __OPENCV_GPU_REDUCTION_DETAIL_HPP__
#define __OPENCV_GPU_REDUCTION_DETAIL_HPP__
namespace
cv
{
namespace
gpu
{
namespace
device
{
namespace
utility_detail
{
///////////////////////////////////////////////////////////////////////////////
// Reductor
template
<
int
n
>
struct
WarpReductor
{
template
<
typename
T
,
typename
Op
>
static
__device__
__forceinline__
void
reduce
(
volatile
T
*
data
,
T
&
partial_reduction
,
int
tid
,
const
Op
&
op
)
{
if
(
tid
<
n
)
data
[
tid
]
=
partial_reduction
;
if
(
n
>
32
)
__syncthreads
();
if
(
n
>
32
)
{
if
(
tid
<
n
-
32
)
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
32
]);
if
(
tid
<
16
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
16
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
8
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
4
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
2
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
1
]);
}
}
else
if
(
n
>
16
)
{
if
(
tid
<
n
-
16
)
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
16
]);
if
(
tid
<
8
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
8
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
4
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
2
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
1
]);
}
}
else
if
(
n
>
8
)
{
if
(
tid
<
n
-
8
)
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
8
]);
if
(
tid
<
4
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
4
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
2
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
1
]);
}
}
else
if
(
n
>
4
)
{
if
(
tid
<
n
-
4
)
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
4
]);
if
(
tid
<
2
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
2
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
1
]);
}
}
else
if
(
n
>
2
)
{
if
(
tid
<
n
-
2
)
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
2
]);
if
(
tid
<
2
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
1
]);
}
}
}
};
template
<>
struct
WarpReductor
<
64
>
{
template
<
typename
T
,
typename
Op
>
static
__device__
void
reduce
(
volatile
T
*
data
,
T
&
partial_reduction
,
int
tid
,
const
Op
&
op
)
{
data
[
tid
]
=
partial_reduction
;
__syncthreads
();
if
(
tid
<
32
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
32
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
16
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
8
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
4
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
2
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
1
]);
}
}
};
template
<>
struct
WarpReductor
<
32
>
{
template
<
typename
T
,
typename
Op
>
static
__device__
void
reduce
(
volatile
T
*
data
,
T
&
partial_reduction
,
int
tid
,
const
Op
&
op
)
{
data
[
tid
]
=
partial_reduction
;
if
(
tid
<
16
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
16
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
8
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
4
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
2
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
1
]);
}
}
};
template
<>
struct
WarpReductor
<
16
>
{
template
<
typename
T
,
typename
Op
>
static
__device__
void
reduce
(
volatile
T
*
data
,
T
&
partial_reduction
,
int
tid
,
const
Op
&
op
)
{
data
[
tid
]
=
partial_reduction
;
if
(
tid
<
8
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
8
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
4
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
2
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
1
]);
}
}
};
template
<>
struct
WarpReductor
<
8
>
{
template
<
typename
T
,
typename
Op
>
static
__device__
void
reduce
(
volatile
T
*
data
,
T
&
partial_reduction
,
int
tid
,
const
Op
&
op
)
{
data
[
tid
]
=
partial_reduction
;
if
(
tid
<
4
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
4
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
2
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
1
]);
}
}
};
template
<
bool
warp
>
struct
ReductionDispatcher
;
template
<>
struct
ReductionDispatcher
<
true
>
{
template
<
int
n
,
typename
T
,
typename
Op
>
static
__device__
void
reduce
(
volatile
T
*
data
,
T
&
partial_reduction
,
int
tid
,
const
Op
&
op
)
{
WarpReductor
<
n
>::
reduce
(
data
,
partial_reduction
,
tid
,
op
);
}
};
template
<>
struct
ReductionDispatcher
<
false
>
{
template
<
int
n
,
typename
T
,
typename
Op
>
static
__device__
void
reduce
(
volatile
T
*
data
,
T
&
partial_reduction
,
int
tid
,
const
Op
&
op
)
{
if
(
tid
<
n
)
data
[
tid
]
=
partial_reduction
;
__syncthreads
();
if
(
n
==
512
)
{
if
(
tid
<
256
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
256
]);
}
__syncthreads
();
}
if
(
n
>=
256
)
{
if
(
tid
<
128
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
128
]);
}
__syncthreads
();
}
if
(
n
>=
128
)
{
if
(
tid
<
64
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
64
]);
}
__syncthreads
();
}
if
(
tid
<
32
)
{
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
32
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
16
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
8
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
4
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
2
]);
data
[
tid
]
=
partial_reduction
=
op
(
partial_reduction
,
data
[
tid
+
1
]);
}
}
};
///////////////////////////////////////////////////////////////////////////////
// PredValWarpReductor
template
<
int
n
>
struct
PredValWarpReductor
;
template
<>
struct
PredValWarpReductor
<
64
>
{
template
<
typename
T
,
typename
V
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V
&
myVal
,
volatile
T
*
sdata
,
V
*
sval
,
int
tid
,
const
Pred
&
pred
)
{
if
(
tid
<
32
)
{
myData
=
sdata
[
tid
];
myVal
=
sval
[
tid
];
T
reg
=
sdata
[
tid
+
32
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
32
];
}
reg
=
sdata
[
tid
+
16
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
16
];
}
reg
=
sdata
[
tid
+
8
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
8
];
}
reg
=
sdata
[
tid
+
4
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
4
];
}
reg
=
sdata
[
tid
+
2
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
2
];
}
reg
=
sdata
[
tid
+
1
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
1
];
}
}
}
};
template
<>
struct
PredValWarpReductor
<
32
>
{
template
<
typename
T
,
typename
V
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V
&
myVal
,
volatile
T
*
sdata
,
V
*
sval
,
int
tid
,
const
Pred
&
pred
)
{
if
(
tid
<
16
)
{
myData
=
sdata
[
tid
];
myVal
=
sval
[
tid
];
T
reg
=
sdata
[
tid
+
16
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
16
];
}
reg
=
sdata
[
tid
+
8
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
8
];
}
reg
=
sdata
[
tid
+
4
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
4
];
}
reg
=
sdata
[
tid
+
2
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
2
];
}
reg
=
sdata
[
tid
+
1
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
1
];
}
}
}
};
template
<>
struct
PredValWarpReductor
<
16
>
{
template
<
typename
T
,
typename
V
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V
&
myVal
,
volatile
T
*
sdata
,
V
*
sval
,
int
tid
,
const
Pred
&
pred
)
{
if
(
tid
<
8
)
{
myData
=
sdata
[
tid
];
myVal
=
sval
[
tid
];
T
reg
=
reg
=
sdata
[
tid
+
8
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
8
];
}
reg
=
sdata
[
tid
+
4
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
4
];
}
reg
=
sdata
[
tid
+
2
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
2
];
}
reg
=
sdata
[
tid
+
1
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
1
];
}
}
}
};
template
<>
struct
PredValWarpReductor
<
8
>
{
template
<
typename
T
,
typename
V
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V
&
myVal
,
volatile
T
*
sdata
,
V
*
sval
,
int
tid
,
const
Pred
&
pred
)
{
if
(
tid
<
4
)
{
myData
=
sdata
[
tid
];
myVal
=
sval
[
tid
];
T
reg
=
reg
=
sdata
[
tid
+
4
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
4
];
}
reg
=
sdata
[
tid
+
2
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
2
];
}
reg
=
sdata
[
tid
+
1
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
1
];
}
}
}
};
template
<
bool
warp
>
struct
PredValReductionDispatcher
;
template
<>
struct
PredValReductionDispatcher
<
true
>
{
template
<
int
n
,
typename
T
,
typename
V
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V
&
myVal
,
volatile
T
*
sdata
,
V
*
sval
,
int
tid
,
const
Pred
&
pred
)
{
PredValWarpReductor
<
n
>::
reduce
(
myData
,
myVal
,
sdata
,
sval
,
tid
,
pred
);
}
};
template
<>
struct
PredValReductionDispatcher
<
false
>
{
template
<
int
n
,
typename
T
,
typename
V
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V
&
myVal
,
volatile
T
*
sdata
,
V
*
sval
,
int
tid
,
const
Pred
&
pred
)
{
myData
=
sdata
[
tid
];
myVal
=
sval
[
tid
];
if
(
n
>=
512
&&
tid
<
256
)
{
T
reg
=
sdata
[
tid
+
256
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
256
];
}
__syncthreads
();
}
if
(
n
>=
256
&&
tid
<
128
)
{
T
reg
=
sdata
[
tid
+
128
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
128
];
}
__syncthreads
();
}
if
(
n
>=
128
&&
tid
<
64
)
{
T
reg
=
sdata
[
tid
+
64
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
64
];
}
__syncthreads
();
}
if
(
tid
<
32
)
{
if
(
n
>=
64
)
{
T
reg
=
sdata
[
tid
+
32
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
32
];
}
}
if
(
n
>=
32
)
{
T
reg
=
sdata
[
tid
+
16
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
16
];
}
}
if
(
n
>=
16
)
{
T
reg
=
sdata
[
tid
+
8
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
8
];
}
}
if
(
n
>=
8
)
{
T
reg
=
sdata
[
tid
+
4
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
4
];
}
}
if
(
n
>=
4
)
{
T
reg
=
sdata
[
tid
+
2
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
2
];
}
}
if
(
n
>=
2
)
{
T
reg
=
sdata
[
tid
+
1
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval
[
tid
]
=
myVal
=
sval
[
tid
+
1
];
}
}
}
}
};
///////////////////////////////////////////////////////////////////////////////
// PredVal2WarpReductor
template
<
int
n
>
struct
PredVal2WarpReductor
;
template
<>
struct
PredVal2WarpReductor
<
64
>
{
template
<
typename
T
,
typename
V1
,
typename
V2
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V1
&
myVal1
,
V2
&
myVal2
,
volatile
T
*
sdata
,
V1
*
sval1
,
V2
*
sval2
,
int
tid
,
const
Pred
&
pred
)
{
if
(
tid
<
32
)
{
myData
=
sdata
[
tid
];
myVal1
=
sval1
[
tid
];
myVal2
=
sval2
[
tid
];
T
reg
=
sdata
[
tid
+
32
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
32
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
32
];
}
reg
=
sdata
[
tid
+
16
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
16
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
16
];
}
reg
=
sdata
[
tid
+
8
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
8
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
8
];
}
reg
=
sdata
[
tid
+
4
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
4
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
4
];
}
reg
=
sdata
[
tid
+
2
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
2
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
2
];
}
reg
=
sdata
[
tid
+
1
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
1
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
1
];
}
}
}
};
template
<>
struct
PredVal2WarpReductor
<
32
>
{
template
<
typename
T
,
typename
V1
,
typename
V2
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V1
&
myVal1
,
V2
&
myVal2
,
volatile
T
*
sdata
,
V1
*
sval1
,
V2
*
sval2
,
int
tid
,
const
Pred
&
pred
)
{
if
(
tid
<
16
)
{
myData
=
sdata
[
tid
];
myVal1
=
sval1
[
tid
];
myVal2
=
sval2
[
tid
];
T
reg
=
sdata
[
tid
+
16
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
16
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
16
];
}
reg
=
sdata
[
tid
+
8
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
8
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
8
];
}
reg
=
sdata
[
tid
+
4
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
4
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
4
];
}
reg
=
sdata
[
tid
+
2
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
2
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
2
];
}
reg
=
sdata
[
tid
+
1
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
1
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
1
];
}
}
}
};
template
<>
struct
PredVal2WarpReductor
<
16
>
{
template
<
typename
T
,
typename
V1
,
typename
V2
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V1
&
myVal1
,
V2
&
myVal2
,
volatile
T
*
sdata
,
V1
*
sval1
,
V2
*
sval2
,
int
tid
,
const
Pred
&
pred
)
{
if
(
tid
<
8
)
{
myData
=
sdata
[
tid
];
myVal1
=
sval1
[
tid
];
myVal2
=
sval2
[
tid
];
T
reg
=
reg
=
sdata
[
tid
+
8
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
8
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
8
];
}
reg
=
sdata
[
tid
+
4
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
4
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
4
];
}
reg
=
sdata
[
tid
+
2
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
2
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
2
];
}
reg
=
sdata
[
tid
+
1
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
1
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
1
];
}
}
}
};
template
<>
struct
PredVal2WarpReductor
<
8
>
{
template
<
typename
T
,
typename
V1
,
typename
V2
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V1
&
myVal1
,
V2
&
myVal2
,
volatile
T
*
sdata
,
V1
*
sval1
,
V2
*
sval2
,
int
tid
,
const
Pred
&
pred
)
{
if
(
tid
<
4
)
{
myData
=
sdata
[
tid
];
myVal1
=
sval1
[
tid
];
myVal2
=
sval2
[
tid
];
T
reg
=
reg
=
sdata
[
tid
+
4
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
4
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
4
];
}
reg
=
sdata
[
tid
+
2
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
2
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
2
];
}
reg
=
sdata
[
tid
+
1
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
1
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
1
];
}
}
}
};
template
<
bool
warp
>
struct
PredVal2ReductionDispatcher
;
template
<>
struct
PredVal2ReductionDispatcher
<
true
>
{
template
<
int
n
,
typename
T
,
typename
V1
,
typename
V2
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V1
&
myVal1
,
V2
&
myVal2
,
volatile
T
*
sdata
,
V1
*
sval1
,
V2
*
sval2
,
int
tid
,
const
Pred
&
pred
)
{
PredVal2WarpReductor
<
n
>::
reduce
(
myData
,
myVal1
,
myVal2
,
sdata
,
sval1
,
sval2
,
tid
,
pred
);
}
};
template
<>
struct
PredVal2ReductionDispatcher
<
false
>
{
template
<
int
n
,
typename
T
,
typename
V1
,
typename
V2
,
typename
Pred
>
static
__device__
void
reduce
(
T
&
myData
,
V1
&
myVal1
,
V2
&
myVal2
,
volatile
T
*
sdata
,
V1
*
sval1
,
V2
*
sval2
,
int
tid
,
const
Pred
&
pred
)
{
myData
=
sdata
[
tid
];
myVal1
=
sval1
[
tid
];
myVal2
=
sval2
[
tid
];
if
(
n
>=
512
&&
tid
<
256
)
{
T
reg
=
sdata
[
tid
+
256
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
256
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
256
];
}
__syncthreads
();
}
if
(
n
>=
256
&&
tid
<
128
)
{
T
reg
=
sdata
[
tid
+
128
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
128
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
128
];
}
__syncthreads
();
}
if
(
n
>=
128
&&
tid
<
64
)
{
T
reg
=
sdata
[
tid
+
64
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
64
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
64
];
}
__syncthreads
();
}
if
(
tid
<
32
)
{
if
(
n
>=
64
)
{
T
reg
=
sdata
[
tid
+
32
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
32
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
32
];
}
}
if
(
n
>=
32
)
{
T
reg
=
sdata
[
tid
+
16
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
16
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
16
];
}
}
if
(
n
>=
16
)
{
T
reg
=
sdata
[
tid
+
8
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
8
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
8
];
}
}
if
(
n
>=
8
)
{
T
reg
=
sdata
[
tid
+
4
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
4
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
4
];
}
}
if
(
n
>=
4
)
{
T
reg
=
sdata
[
tid
+
2
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
2
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
2
];
}
}
if
(
n
>=
2
)
{
T
reg
=
sdata
[
tid
+
1
];
if
(
pred
(
reg
,
myData
))
{
sdata
[
tid
]
=
myData
=
reg
;
sval1
[
tid
]
=
myVal1
=
sval1
[
tid
+
1
];
sval2
[
tid
]
=
myVal2
=
sval2
[
tid
+
1
];
}
}
}
}
};
}
// namespace utility_detail
}}}
// namespace cv { namespace gpu { namespace device
#endif // __OPENCV_GPU_REDUCTION_DETAIL_HPP__
modules/gpu/include/opencv2/gpu/device/utility.hpp
View file @
e6b1ccdc
...
...
@@ -45,7 +45,6 @@
#include "saturate_cast.hpp"
#include "datamov_utils.hpp"
#include "detail/reduction_detail.hpp"
namespace
cv
{
namespace
gpu
{
namespace
device
{
...
...
@@ -156,29 +155,6 @@ namespace cv { namespace gpu { namespace device
}
};
///////////////////////////////////////////////////////////////////////////////
// Reduction
template
<
int
n
,
typename
T
,
typename
Op
>
__device__
__forceinline__
void
reduce_old
(
volatile
T
*
data
,
T
&
partial_reduction
,
int
tid
,
const
Op
&
op
)
{
StaticAssert
<
n
>=
8
&&
n
<=
512
>::
check
();
utility_detail
::
ReductionDispatcher
<
n
<=
64
>::
reduce
<
n
>
(
data
,
partial_reduction
,
tid
,
op
);
}
template
<
int
n
,
typename
T
,
typename
V
,
typename
Pred
>
__device__
__forceinline__
void
reducePredVal
(
volatile
T
*
sdata
,
T
&
myData
,
V
*
sval
,
V
&
myVal
,
int
tid
,
const
Pred
&
pred
)
{
StaticAssert
<
n
>=
8
&&
n
<=
512
>::
check
();
utility_detail
::
PredValReductionDispatcher
<
n
<=
64
>::
reduce
<
n
>
(
myData
,
myVal
,
sdata
,
sval
,
tid
,
pred
);
}
template
<
int
n
,
typename
T
,
typename
V1
,
typename
V2
,
typename
Pred
>
__device__
__forceinline__
void
reducePredVal2
(
volatile
T
*
sdata
,
T
&
myData
,
V1
*
sval1
,
V1
&
myVal1
,
V2
*
sval2
,
V2
&
myVal2
,
int
tid
,
const
Pred
&
pred
)
{
StaticAssert
<
n
>=
8
&&
n
<=
512
>::
check
();
utility_detail
::
PredVal2ReductionDispatcher
<
n
<=
64
>::
reduce
<
n
>
(
myData
,
myVal1
,
myVal2
,
sdata
,
sval1
,
sval2
,
tid
,
pred
);
}
///////////////////////////////////////////////////////////////////////////////
// Solve linear system
...
...
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