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/* ************************************************************************
* Copyright (C) 2018-2022 Advanced Micro Devices, Inc. All rights reserved.
*
* 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 cop-
* ies 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 IM-
* PLIED, 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 CONNE-
* CTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* ************************************************************************ */
#pragma once
#include "rocblas.h"
#include "rocblas_arguments.hpp"
template <typename T>
constexpr auto rocblas_type2datatype()
{
// rocblas_datatype_f16_r = 150
if(std::is_same<T, rocblas_half>{})
return rocblas_datatype_f16_r;
// rocblas_datatype_f32_r = 151
if(std::is_same<T, rocblas_float>{})
return rocblas_datatype_f32_r;
// rocblas_datatype_f64_r = 152
if(std::is_same<T, rocblas_double>{})
return rocblas_datatype_f64_r;
// rocblas_datatype_f16_c = 153
// rocblas_datatype_f32_c = 154
if(std::is_same<T, rocblas_float_complex>{})
return rocblas_datatype_f32_c;
// rocblas_datatype_f64_c = 155
if(std::is_same<T, rocblas_double_complex>{})
return rocblas_datatype_f64_c;
// rocblas_datatype_i8_r = 160
if(std::is_same<T, int8_t>{})
return rocblas_datatype_i8_r;
// rocblas_datatype_u8_r = 161
if(std::is_same<T, uint8_t>{})
return rocblas_datatype_u8_r;
// rocblas_datatype_i32_r = 162
if(std::is_same<T, int32_t>{})
return rocblas_datatype_i32_r;
// rocblas_datatype_u32_r = 163
if(std::is_same<T, uint32_t>{})
return rocblas_datatype_u32_r;
// rocblas_datatype_i8_c = 164
// rocblas_datatype_u8_c = 165
// rocblas_datatype_i32_c = 166
// rocblas_datatype_u32_c = 167
// rocblas_datatype_bf16_r = 168
if(std::is_same<T, rocblas_bfloat16>{})
return rocblas_datatype_bf16_r;
// rocblas_datatype_bf16_c = 169
return rocblas_datatype_f32_r; // testing purposes we default to f32 ex
}
// ----------------------------------------------------------------------------
// Calls TEST template based on the argument types. TEST<> is expected to
// return a functor which takes a const Arguments& argument. If the types do
// not match a recognized type combination, then TEST<void> is called. This
// function returns the same type as TEST<...>{}(arg), usually bool or void.
// ----------------------------------------------------------------------------
// Simple functions which take only one datatype
//
// Even if the function can take mixed datatypes, this function can handle the
// cases where the types are uniform, in which case one template type argument
// is passed to TEST, and the rest are assumed to match the first.
template <template <typename...> class TEST>
auto rocblas_simple_dispatch(const Arguments& arg)
{
switch(arg.a_type)
{
case rocblas_datatype_f16_r:
return TEST<rocblas_half>{}(arg);
case rocblas_datatype_bf16_r:
return TEST<rocblas_bfloat16>{}(arg);
case rocblas_datatype_f32_r:
return TEST<float>{}(arg);
case rocblas_datatype_f64_r:
return TEST<double>{}(arg);
// case rocblas_datatype_f16_c:
// return TEST<rocblas_half_complex>{}(arg);
case rocblas_datatype_f32_c:
return TEST<rocblas_float_complex>{}(arg);
case rocblas_datatype_f64_c:
return TEST<rocblas_double_complex>{}(arg);
default:
return TEST<void>{}(arg);
}
}
// BLAS1 functions
template <template <typename...> class TEST>
auto rocblas_blas1_dispatch(const Arguments& arg)
{
const auto Ti = arg.a_type, Tb = arg.b_type, To = arg.d_type;
const auto Tc = arg.c_type;
if(strstr(arg.function, "iamax") || strstr(arg.function, "iamin")
|| strstr(arg.function, "asum") || strstr(arg.function, "nrm2")
|| strstr(arg.function, "swap"))
{
// s, d, c, z precisions
if(Ti == To && Ti == Tb && Ti == Tc)
if(Ti == rocblas_datatype_f32_r || Ti == rocblas_datatype_f64_r
|| Ti == rocblas_datatype_f32_c || Ti == rocblas_datatype_f64_c)
return rocblas_simple_dispatch<TEST>(arg);
}
else if(strstr(arg.function, "rotm") || strstr(arg.function, "rotmg"))
{
// s, d precisions
if(Ti == To && Ti == Tb && Ti == Tc)
if(Ti == rocblas_datatype_f32_r || Ti == rocblas_datatype_f64_r)
return rocblas_simple_dispatch<TEST>(arg);
}
else if(strstr(arg.function, "axpy") || strstr(arg.function, "copy"))
{
// h, s, d, c, z precisions
if(Ti == To && Ti == Tb && Ti == Tc)
if(Ti == rocblas_datatype_f32_r || Ti == rocblas_datatype_f64_r
|| Ti == rocblas_datatype_f32_c || Ti == rocblas_datatype_f64_c
|| Ti == rocblas_datatype_f16_r)
return rocblas_simple_dispatch<TEST>(arg);
}
else if(strstr(arg.function, "dot"))
{
// h, bf, s, d, c, z precisions
if(Ti == To && Ti == Tb && Ti == Tc)
{
// h, s, d, c, z
if(Ti == rocblas_datatype_f32_r || Ti == rocblas_datatype_f64_r
|| Ti == rocblas_datatype_f32_c || Ti == rocblas_datatype_f64_c
|| Ti == rocblas_datatype_f16_r || Ti == rocblas_datatype_bf16_r)
return rocblas_simple_dispatch<TEST>(arg);
}
else if(Ti == To && Ti == Tb)
{
// bf
if(Ti == rocblas_datatype_bf16_r && Tc == rocblas_datatype_f32_r)
return rocblas_simple_dispatch<TEST>(arg);
}
}
else if(strstr(arg.function, "rotg"))
{
if(Ti == To && Ti == Tb && Ti == Tc)
{
// s, d
if(Ti == rocblas_datatype_f32_r || Ti == rocblas_datatype_f64_r)
return rocblas_simple_dispatch<TEST>(arg);
}
else if(Ti == rocblas_datatype_f32_c)
{
// c
return TEST<rocblas_float_complex, float>{}(arg);
}
else if(Ti == rocblas_datatype_f64_c)
{
// z
return TEST<rocblas_double_complex, double>{}(arg);
}
else
{
rocblas_cout << "no dispatch for rotg" << std::endl;
}
}
else if(strstr(arg.function, "rot"))
{
// s, d, c, z, cs, zd precisions
if(Ti == To && Ti == Tb && Ti == Tc)
{
// s, d
if(Ti == rocblas_datatype_f32_r || Ti == rocblas_datatype_f64_r)
return rocblas_simple_dispatch<TEST>(arg);
}
else if(Ti == rocblas_datatype_f32_c && Tb == rocblas_datatype_f32_r
&& Tc == rocblas_datatype_f32_c)
{
// c
return TEST<rocblas_float_complex, float, rocblas_float_complex>{}(arg);
}
else if(Ti == rocblas_datatype_f64_c && Tb == rocblas_datatype_f64_r
&& Tc == rocblas_datatype_f64_c)
{
// z
return TEST<rocblas_double_complex, double, rocblas_double_complex>{}(arg);
}
else if(Ti == rocblas_datatype_f32_c && Tb == rocblas_datatype_f32_r
&& Tc == rocblas_datatype_f32_r)
{
// cs
return TEST<rocblas_float_complex, float>{}(arg);
}
else if(Ti == rocblas_datatype_f64_c && Tb == rocblas_datatype_f64_r
&& Tc == rocblas_datatype_f64_r)
{
// zd
return TEST<rocblas_double_complex, double>{}(arg);
}
}
else if(strstr(arg.function, "scal"))
{
// s, d, c, cs, z, zd
if(Ti == To && Ti == Tb && Ti == Tc)
{
// z, d, c, z
if(Ti == rocblas_datatype_f32_r || Ti == rocblas_datatype_f64_r
|| Ti == rocblas_datatype_f32_c || Ti == rocblas_datatype_f64_c)
return rocblas_simple_dispatch<TEST>(arg);
}
else if(Ti == rocblas_datatype_f32_c && Tb == rocblas_datatype_f32_r
&& Tc == rocblas_datatype_f32_r)
{
// cs
return TEST<rocblas_float_complex, float>{}(arg);
}
else if(Ti == rocblas_datatype_f64_c && Tb == rocblas_datatype_f64_r
&& Tc == rocblas_datatype_f64_r)
{
// zd
return TEST<rocblas_double_complex, double>{}(arg);
}
}
return TEST<void>{}(arg);
}
// BLAS1_ex functions
template <template <typename...> class TEST>
auto rocblas_blas1_ex_dispatch(const Arguments& arg)
{
const auto Ta = arg.a_type, Tx = arg.b_type, Ty = arg.c_type, Tex = arg.compute_type;
const std::string function = arg.function;
const bool is_axpy = function == "axpy_ex" || function == "axpy_batched_ex"
|| function == "axpy_strided_batched_ex";
const bool is_dot = function == "dot_ex" || function == "dot_batched_ex"
|| function == "dot_strided_batched_ex" || function == "dotc_ex"
|| function == "dotc_batched_ex" || function == "dotc_strided_batched_ex";
const bool is_nrm2 = function == "nrm2_ex" || function == "nrm2_batched_ex"
|| function == "nrm2_strided_batched_ex";
const bool is_rot = function == "rot_ex" || function == "rot_batched_ex"
|| function == "rot_strided_batched_ex";
const bool is_scal = function == "scal_ex" || function == "scal_batched_ex"
|| function == "scal_strided_batched_ex";
if(Ta == Tx && Tx == Ty && Ty == Tex)
{
return rocblas_simple_dispatch<TEST>(arg); // Ta == Tx == Ty == Tex
}
else if(is_scal && Ta == Tx && Tx == Tex)
{
// hscal with f16_r compute (scal doesn't care about Ty)
return rocblas_simple_dispatch<TEST>(arg);
}
else if((is_rot || is_dot || is_axpy) && Ta == Tx && Tx == Ty && Ta == rocblas_datatype_f16_r
&& Tex == rocblas_datatype_f32_r)
{
return TEST<rocblas_half, rocblas_half, rocblas_half, float>{}(arg);
}
else if((is_rot || is_dot) && Ta == Tx && Tx == Ty && Ta == rocblas_datatype_bf16_r
&& Tex == rocblas_datatype_f32_r)
{
return TEST<rocblas_bfloat16, rocblas_bfloat16, rocblas_bfloat16, float>{}(arg);
}
else if(is_axpy && Ta == Tex && Tx == Ty && Tx == rocblas_datatype_f16_r
&& Tex == rocblas_datatype_f32_r)
{
return TEST<float, rocblas_half, rocblas_half, float>{}(arg);
}
else if((is_scal || is_nrm2 || is_axpy) && Ta == Tx && Ta == rocblas_datatype_f16_r
&& Tex == rocblas_datatype_f32_r)
{
// half scal, nrm2, axpy
return TEST<rocblas_half, rocblas_half, float>{}(arg);
}
// exclusive functions cases
else if(is_scal)
{
// scal_ex ordering: <alphaType, dataType, exType> opposite order of scal test
if(Ta == rocblas_datatype_f32_r && Tx == rocblas_datatype_f16_r
&& Tex == rocblas_datatype_f32_r)
{
// scal half with float alpha
return TEST<float, rocblas_half, float>{}(arg);
}
else if(Ta == rocblas_datatype_f32_r && Tx == rocblas_datatype_f32_c
&& Tex == rocblas_datatype_f32_c)
{
// csscal-like
return TEST<float, rocblas_float_complex, rocblas_float_complex>{}(arg);
}
else if(Ta == rocblas_datatype_f64_r && Tx == rocblas_datatype_f64_c
&& Tex == rocblas_datatype_f64_c)
{
// zdscal-like
return TEST<double, rocblas_double_complex, rocblas_double_complex>{}(arg);
}
}
else if(is_nrm2)
{
if(Ta == rocblas_datatype_f32_c && Tx == rocblas_datatype_f32_r
&& Tex == rocblas_datatype_f32_r)
{
// scnrm2
return TEST<rocblas_float_complex, float, float>{}(arg);
}
else if(Ta == rocblas_datatype_f64_c && Tx == rocblas_datatype_f64_r
&& Tex == rocblas_datatype_f64_r)
{
// dznrm2
return TEST<rocblas_double_complex, double, double>{}(arg);
}
}
else if(is_rot)
{
if(Ta == rocblas_datatype_f32_c && Tx == rocblas_datatype_f32_c
&& Ty == rocblas_datatype_f32_r && Tex == rocblas_datatype_f32_c)
{
// rot with complex x/y/compute and real cs
return TEST<rocblas_float_complex,
rocblas_float_complex,
float,
rocblas_float_complex>{}(arg);
}
else if(Ta == rocblas_datatype_f64_c && Tx == rocblas_datatype_f64_c
&& Ty == rocblas_datatype_f64_r && Tex == rocblas_datatype_f64_c)
{
// rot with complex x/y/compute and real cs
return TEST<rocblas_double_complex,
rocblas_double_complex,
double,
rocblas_double_complex>{}(arg);
}
}
return TEST<void>{}(arg);
}
// gemm functions
template <template <typename...> class TEST>
auto rocblas_gemm_dispatch(const Arguments& arg)
{
const auto Ti = arg.a_type, To = arg.c_type, Tc = arg.compute_type;
if((rocblas_gemm_flags_fp16_alt_impl & arg.flags)
&& rocblas_internal_get_arch_name() != "gfx90a")
return TEST<void>{}(arg);
if(arg.b_type == Ti && arg.d_type == To)
{
if(Ti != To) // covers HPA: HSS, BSS, I8II, 4xi8II
{
// TODO- Maybe we could add a new datatype_enum such as rocblas_datatype_i8x4_r
// So that we could go to the correct branch here.
// So far, using whether int8_t or int8x4 is determined in TEST function (gemm_ex)
if(Ti == rocblas_datatype_i8_r && To == rocblas_datatype_i32_r && Tc == To)
{
return TEST<int8_t, int32_t, int32_t>{}(arg);
}
else if(To == rocblas_datatype_f32_r && Tc == rocblas_datatype_f32_r)
{
if(Ti == rocblas_datatype_f16_r)
{
return TEST<rocblas_half, float, float>{}(arg);
}
else if(Ti == rocblas_datatype_bf16_r)
{
return TEST<rocblas_bfloat16, float, float>{}(arg);
}
}
}
else if(Tc != To) // covers HPA: HHS, BBS
{
if(To == rocblas_datatype_f16_r && Tc == rocblas_datatype_f32_r) // HHS
{
return TEST<rocblas_half, rocblas_half, float>{}(arg);
}
else if(To == rocblas_datatype_bf16_r && Tc == rocblas_datatype_f32_r) // BBS
{
return TEST<rocblas_bfloat16, rocblas_bfloat16, float>{}(arg);
}
}
else // covers non-HPA: dgemm, sgemm, zgemm, cgemm, hgemm
{
return rocblas_simple_dispatch<TEST>(arg); // Ti = To = Tc
}
}
return TEST<void>{}(arg);
}
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