olb::cpu::simd::Mask< double > Class Reference

#include <256.h>

Collaboration diagram for olb::cpu::simd::Mask< double >:

Public Types
using	storage_t = std::uint64_t
using	storage_t = std::uint8_t

Public Member Functions
	Mask (bool a, bool b, bool c, bool d)
	Mask (std::uint64_t a, std::uint64_t b, std::uint64_t c, std::uint64_t d)
	Mask (std::uint64_t *ptr)
	Mask (storage_t *ptr, std::size_t iCell)
	Mask (bool *ptr)
	Mask (bool *ptr, std::size_t iCell)
	Mask (__m256i reg)
	operator __m256i ()
__m256i	neg () const
	operator bool () const
	Mask (bool b0, bool b1, bool b2, bool b3, bool b4, bool b5, bool b6, bool b7)
	Mask (std::uint8_t *ptr)
	Mask (storage_t *ptr, std::size_t iCell)
	Mask (__mmask8 reg)
	operator __mmask8 ()
__mmask8	neg () const
	operator bool () const

Static Public Member Functions
static storage_t	encode (bool value)
static storage_t	encode (bool *value)
static storage_t	encode (bool *value)

Static Public Attributes
static constexpr unsigned	storage_size = 1
static constexpr storage_t	true_v = 1l << 63
static constexpr storage_t	false_v = 0l

Detailed Description

Definition at line 42 of file 256.h.

Member Typedef Documentation

storage_t [1/2]

using olb::cpu::simd::Mask< double >::storage_t = std::uint64_t

Definition at line 47 of file 256.h.

storage_t [2/2]

using olb::cpu::simd::Mask< double >::storage_t = std::uint8_t

Definition at line 47 of file 512.h.

Constructor & Destructor Documentation

Mask() [1/11]

olb::cpu::simd::Mask< double >::Mask ( bool a, bool b, bool c, bool d )

inline

Definition at line 63 of file 256.h.

                                      :
    _reg(_mm256_set_epi64x(encode(d),encode(c),encode(b),encode(a))) { }

Mask() [2/11]

olb::cpu::simd::Mask< double >::Mask ( std::uint64_t a, std::uint64_t b, std::uint64_t c, std::uint64_t d )

inline

Definition at line 66 of file 256.h.

                                                                  :
    _reg(_mm256_set_epi64x(d,c,b,a)) { }

Mask() [3/11]

olb::cpu::simd::Mask< double >::Mask ( std::uint64_t * ptr )

inline

Definition at line 69 of file 256.h.

                        :
    _reg(_mm256_loadu_si256(reinterpret_cast<__m256i*>(ptr))) { }

Mask() [4/11]

olb::cpu::simd::Mask< double >::Mask ( storage_t * ptr, std::size_t iCell )

inline

Definition at line 72 of file 256.h.

                                       :
    Mask(ptr + iCell) { }

Mask() [5/11]

olb::cpu::simd::Mask< double >::Mask ( bool * ptr )

inline

Definition at line 75 of file 256.h.

                 :
    Mask(ptr[0],ptr[1],ptr[2],ptr[3]) { }

Mask() [6/11]

olb::cpu::simd::Mask< double >::Mask ( bool * ptr, std::size_t iCell )

inline

Definition at line 78 of file 256.h.

                                  :
    Mask(ptr + iCell) { }

Mask() [7/11]

olb::cpu::simd::Mask< double >::Mask ( __m256i reg )

inline

Definition at line 81 of file 256.h.

                   :
    _reg(reg) { }

Mask() [8/11]

olb::cpu::simd::Mask< double >::Mask ( bool b0, bool b1, bool b2, bool b3, bool b4, bool b5, bool b6, bool b7 )

inline

Definition at line 59 of file 512.h.

                                                                              :
    _reg(std::uint16_t(b0 | b1<<1 | b2<<2 | b3<<3 | b4<<4 | b5<<5 | b6<<6 | b7<<7)) { }

Mask() [9/11]

olb::cpu::simd::Mask< double >::Mask ( std::uint8_t * ptr )

inline

Definition at line 62 of file 512.h.

                       :
    _reg(_load_mask16(reinterpret_cast<std::uint16_t*>(ptr))) { }

Mask() [10/11]

olb::cpu::simd::Mask< double >::Mask ( storage_t * ptr, std::size_t iCell )

inline

Definition at line 65 of file 512.h.

                                       :
    Mask(ptr + iCell / storage_size) { }

Mask() [11/11]

olb::cpu::simd::Mask< double >::Mask ( __mmask8 reg )

inline

Definition at line 68 of file 512.h.

                    :
    _reg(reg) { }

Member Function Documentation

encode() [1/3]

static storage_t olb::cpu::simd::Mask< double >::encode ( bool * value )

inlinestatic

Definition at line 58 of file 256.h.

  {
    return encode(*value);
  }

encode() [2/3]

static storage_t olb::cpu::simd::Mask< double >::encode ( bool * value )

inlinestatic

Definition at line 50 of file 512.h.

  {
    storage_t mask = value[0];
    for (unsigned j=1; j < storage_size; ++j) {
      mask |= value[j] << j;
    }
    return mask;
  }

encode() [3/3]

static storage_t olb::cpu::simd::Mask< double >::encode ( bool value )

inlinestatic

Definition at line 53 of file 256.h.

  {
    return value ? true_v : false_v;
  }

neg() [1/2]

__m256i olb::cpu::simd::Mask< double >::neg ( ) const

inline

Definition at line 89 of file 256.h.

  {
    return _mm256_sub_epi64(_mm256_set1_epi64x(true_v), _reg);
  }

neg() [2/2]

__mmask8 olb::cpu::simd::Mask< double >::neg ( ) const

inline

Definition at line 76 of file 512.h.

  {
    return _knot_mask8(_reg);
  }

operator __m256i()

olb::cpu::simd::Mask< double >::operator __m256i ( )

inline

Definition at line 84 of file 256.h.

  {
    return _reg;
  }

operator __mmask8()

olb::cpu::simd::Mask< double >::operator __mmask8 ( )

inline

Definition at line 71 of file 512.h.

  {
    return _reg;
  }

operator bool() [1/2]

olb::cpu::simd::Mask< double >::operator bool ( ) const

inline

Definition at line 94 of file 256.h.

  {
    const std::uint64_t* values = reinterpret_cast<const std::uint64_t*>(&_reg);
    return values[0] == true_v
        || values[1] == true_v
        || values[2] == true_v
        || values[3] == true_v;
  }

operator bool() [2/2]

olb::cpu::simd::Mask< double >::operator bool ( ) const

inline

Definition at line 81 of file 512.h.

  {
    const std::uint8_t* value = reinterpret_cast<const std::uint8_t*>(&_reg);
    return value[0] != 0;
  }

Member Data Documentation

false_v

constexpr storage_t olb::cpu::simd::Mask< double >::false_v = 0l

staticconstexpr

Definition at line 51 of file 256.h.

storage_size

static constexpr unsigned olb::cpu::simd::Mask< double >::storage_size = 1

staticconstexpr

Definition at line 48 of file 256.h.

true_v

constexpr storage_t olb::cpu::simd::Mask< double >::true_v = 1l << 63

staticconstexpr

Definition at line 50 of file 256.h.

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The documentation for this class was generated from the following files:

• src/core/platform/cpu/simd/256.h
• src/core/platform/cpu/simd/512.h