File size: 4,332 Bytes
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#pragma once
#include "src/turbomind/core/data_type.h"
#include "src/turbomind/kernels/core/common.h"
#include "src/turbomind/kernels/core/data_type.h"
#include "src/turbomind/kernels/core/sub_byte_ptr.h"
namespace turbomind {
template<typename T, int N>
struct Array {
using value_type = T;
using size_type = int;
using difference_type = int;
using reference = value_type&;
using const_reference = const value_type&;
using pointer = value_type*;
using const_pointer = const value_type*;
using iterator = pointer;
using const_iterator = const_pointer;
static_assert(N > 0);
T __a[N];
TM_HOST_DEVICE constexpr reference operator[](size_type i) noexcept
{
return __a[i];
}
TM_HOST_DEVICE constexpr const_reference operator[](size_type i) const noexcept
{
return __a[i];
}
TM_HOST_DEVICE constexpr reference front() noexcept
{
return *begin();
}
TM_HOST_DEVICE constexpr const_reference front() const noexcept
{
return *begin();
}
TM_HOST_DEVICE constexpr reference back() noexcept
{
return *(end() - 1);
}
TM_HOST_DEVICE constexpr const_reference back() const noexcept
{
return *(end() - 1);
}
TM_HOST_DEVICE constexpr pointer data() noexcept
{
return &__a[0];
}
TM_HOST_DEVICE constexpr const_pointer data() const noexcept
{
return &__a[0];
}
TM_HOST_DEVICE constexpr iterator begin() noexcept
{
return data();
}
TM_HOST_DEVICE constexpr const_iterator begin() const noexcept
{
return data();
}
TM_HOST_DEVICE constexpr iterator end() noexcept
{
return data() + N;
}
TM_HOST_DEVICE constexpr const_iterator end() const noexcept
{
return data() + N;
}
TM_HOST_DEVICE static constexpr std::integral_constant<int, N> size() noexcept
{
return {};
}
TM_HOST_DEVICE static constexpr std::false_type empty() noexcept
{
return {};
}
};
template<int N>
struct Array<uint4_t, N> {
using value_type = detail::__uint4_t;
using size_type = int;
using difference_type = int;
using reference = value_type&;
using const_reference = const value_type&;
using pointer = SubBytePtr<uint4_t>;
using const_pointer = SubBytePtr<const uint4_t>;
// static_assert(N % 8 == 0);
detail::__uint4_t __a[N / 8];
TM_HOST_DEVICE constexpr reference operator[](size_type i) noexcept
{
return __a[i / 8];
}
TM_HOST_DEVICE constexpr const_reference operator[](size_type i) const noexcept
{
return __a[i / 8];
}
TM_HOST_DEVICE static constexpr std::integral_constant<int, N> size() noexcept
{
return {};
}
TM_HOST_DEVICE static constexpr std::false_type empty() noexcept
{
return {};
}
TM_HOST_DEVICE constexpr pointer data() noexcept
{
return {(char*)&__a[0]};
}
};
static_assert(sizeof(Array<uint4_t, 8>) == 4);
static_assert(sizeof(Array<uint4_t, 16>) == 8);
static_assert(sizeof(Array<uint4_t, 24>) == 12);
static_assert(sizeof(Array<uint4_t, 32>) == 16);
template<int N>
struct Array<fp4_e2m1_t, N> {
using value_type = detail::__uint4_t;
using size_type = int;
using difference_type = int;
using reference = value_type&;
using const_reference = const value_type&;
using pointer = SubBytePtr<fp4_e2m1_t>;
using const_pointer = SubBytePtr<const fp4_e2m1_t>;
// static_assert(N % 8 == 0);
detail::__uint4_t __a[N / 8];
TM_HOST_DEVICE constexpr reference operator[](size_type i) noexcept
{
return __a[i / 8];
}
TM_HOST_DEVICE constexpr const_reference operator[](size_type i) const noexcept
{
return __a[i / 8];
}
TM_HOST_DEVICE static constexpr std::integral_constant<int, N> size() noexcept
{
return {};
}
TM_HOST_DEVICE static constexpr std::false_type empty() noexcept
{
return {};
}
TM_HOST_DEVICE constexpr pointer data() noexcept
{
return {(char*)&__a[0]};
}
};
} // namespace turbomind
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