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mma_sm100_umma.hpp
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/***************************************************************************************************
* Copyright (c) 2023 - 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions 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.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may 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 COPYRIGHT HOLDER 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.
*
**************************************************************************************************/
//
//
#pragma once
#include <cute/arch/config.hpp>
#include <cute/arch/mma.hpp>
#include <cute/arch/mma_sm100.hpp>
#include <cute/arch/mma_sm100_desc.hpp>
#include <cute/arch/cluster_sm90.hpp>
namespace cute
{
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One>
struct SM100_MMA_TF32_SS
{
static_assert(M == 64 || M == 128, "SM100_MMA_TF32 M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert((M == 64 && (N % 8 == 0) && (8 <= N) && (N <= 256)) ||
(M == 128 && (N % 16 == 0) && (16 <= N) && (N <= 256)),
"SM100_MMA_TF32 N-mode size should be a multiple of 8 between 8 and 256 for M=64,\
or a multiple of 16 between 16 and 256 for M=128.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_TF32_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[4] = {0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::tf32 [%0], %1, %2, %3, {%5, %6, %7, %8}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_TF32_SS without CUTE_ARCH_TCGEN05_TF32_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One>
struct SM100_MMA_F16BF16_SS
{
static_assert(M == 64 || M == 128, "SM100_MMA_F16BF16 M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert((M == 64 && (N % 8 == 0) && (8 <= N) && (N <= 256)) ||
(M == 128 && (N % 16 == 0) && (16 <= N) && (N <= 256)),
"SM100_MMA_F16BF16 N-mode size should be a multiple of 8 between 8 and 256 for M=64,\
or a multiple of 16 between 16 and 256 for M=128.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_F16F32_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[4] = {0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::f16 [%0], %1, %2, %3, {%5, %6, %7, %8}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F16BF16_SS without CUTE_ARCH_MMA_SM100A_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_TF32_TS
{
static_assert(M == 64 || M == 128, "SM100_MMA_TF32 M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert((M == 64 && (N % 8 == 0) && (8 <= N) && (N <= 256)) ||
(M == 128 && (N % 16 == 0) && (16 <= N) && (N <= 256)),
"SM100_MMA_TF32 N-mode size should be a multiple of 8 between 8 and 256 for M=64,\
or a multiple of 16 between 16 and 256 for M=128.");
static_assert(a_major == UMMA::Major::K, "SM100_MMA_TF32 A from TMEM can't be transposed");
using DRegisters = void;
using ARegisters = uint32_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint32_t const& tmem_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_TF32_MMA_ENABLED)
uint32_t mask[4] = {0, 0, 0, 0};
if (cute::elect_one_sync()) {
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::tf32 [%0], [%1], %2, %3, {%5, %6, %7, %8}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "r"(tmem_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_TF32_TS without CUTE_ARCH_TCGEN05_TF32_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_F16BF16_TS
{
static_assert(M == 64 || M == 128, "SM100_MMA_F16BF16 M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert((M == 64 && (N % 8 == 0) && (8 <= N) && (N <= 256)) ||
(M == 128 && (N % 16 == 0) && (16 <= N) && (N <= 256)),
"SM100_MMA_F16BF16 N-mode size should be a multiple of 8 between 8 and 256 for M=64,\
or a multiple of 16 between 16 and 256 for M=128.");
static_assert(a_major == UMMA::Major::K, "SM100_MMA_F16BF16 A from TMEM can't be transposed");
using DRegisters = void;
using ARegisters = uint32_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint32_t const& tmem_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_F16F32_MMA_ENABLED)
uint32_t mask[4] = {0, 0, 0, 0};
if (cute::elect_one_sync()) {
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::f16 [%0], [%1], %2, %3, {%5, %6, %7, %8}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "r"(tmem_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F16BF16_TS without CUTE_ARCH_MMA_SM100A_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major, uint32_t ScaleC,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One>
struct SM100_MMA_F16BF16_SS_SCALED
{
static_assert(M == 64 || M == 128, "SM100_MMA_F16BF16_SS_SCALED M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert((M == 64 && (N % 8 == 0) && (8 <= N) && (N <= 256)) ||
(M == 128 && (N % 16 == 0) && (16 <= N) && (N <= 256)),
"SM100_MMA_F16BF16_SS_SCALED N-mode size should be a multiple of 8 between 8 and 256 for M=64,\
or a multiple of 16 between 16 and 256 for M=128.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& accumulate,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_F16BF16_MMA_SCALED_ENABLED)
if (cute::elect_one_sync()) {
// ScaleC input should be a literal or compile time constant
uint32_t mask[4] = {0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::f16 [%0], %1, %2, %3, {%5, %6, %7, %8}, p, %9; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(accumulate),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]), "n"(ScaleC));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F16BF16_SS without CUTE_ARCH_TCGEN05_F16BF16_MMA_SCALED_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major, uint32_t ScaleC,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_F16BF16_TS_SCALED
{
static_assert(M == 64 || M == 128, "SM100_MMA_F16BF16_TS_SCALED M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert((M == 64 && (N % 8 == 0) && (8 <= N) && (N <= 256)) ||
(M == 128 && (N % 16 == 0) && (16 <= N) && (N <= 256)),
"SM100_MMA_F16BF16_TS_SCALED N-mode size should be a multiple of 8 between 8 and 256 for M=64,\
or a multiple of 16 between 16 and 256 for M=128.");
static_assert(a_major == UMMA::Major::K, "SM100_MMA_F16BF16_TS_SCALED A from TMEM can't be transposed");
using DRegisters = void;
using ARegisters = uint32_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint32_t const& tmem_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& accumulate,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_F16BF16_MMA_SCALED_ENABLED)
if (cute::elect_one_sync()) {
// ScaleC input should be a literal or compile time constant
uint32_t mask[4] = {0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::f16 [%0], [%1], %2, %3, {%5, %6, %7, %8}, p, %9; \n\t"
"}\n"
:
: "r"(tmem_c), "r"(tmem_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(accumulate),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]), "n"(ScaleC));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F16BF16_TS_SCALED without CUTE_ARCH_TCGEN05_F16BF16_MMA_SCALED_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One>
struct SM100_MMA_TF32_2x1SM_SS
{
static_assert(M == 128 || M == 256, "SM100_MMA_TF32_2x1SM_SS M-mode size should be 128 or 256 for 2 CTA cluster MMA.");
static_assert((N % 32 == 0) && (32 <= N) && (N <= 256), "SM100_MMA_TF32_2x1SM_SS N-mode size should be a multiple of 32 between 32 and 256.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_TF32_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[8] = {0, 0, 0, 0, 0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::tf32 [%0], %1, %2, %3, {%5, %6, %7, %8, %9, %10, %11, %12}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]),
"r"(mask[4]), "r"(mask[5]), "r"(mask[6]), "r"(mask[7]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_TF32_2x1SM_SS without CUTE_ARCH_TCGEN05_TF32_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One>
struct SM100_MMA_F16BF16_2x1SM_SS
{
static_assert(M == 128 || M == 256, "SM100_MMA_F16BF16_2x1SM_SS M-mode size should be 128 or 256 for 2 CTA cluster MMA.");
static_assert((N % 32 == 0) && (32 <= N) && (N <= 256), "SM100_MMA_F16BF16_2x1SM_SS N-mode size should be a multiple of 32 between 32 and 256.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_F16F32_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[8] = {0, 0, 0, 0, 0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::f16 [%0], %1, %2, %3, {%5, %6, %7, %8, %9, %10, %11, %12}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]),
"r"(mask[4]), "r"(mask[5]), "r"(mask[6]), "r"(mask[7]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F16BF16_2x1SM_SS without CUTE_ARCH_TCGEN05_F16F32_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_TF32_2x1SM_TS
{
static_assert(M == 128 || M == 256, "SM100_MMA_TF32_2x1SM_TS M-mode size should be 128 or 256 for 2 CTA cluster MMA.");
static_assert((N % 32 == 0) && (32 <= N) && (N <= 256), "SM100_MMA_TF32_2x1SM_TS N-mode size should be a multiple of 32 between 32 and 256.");
static_assert(a_major == UMMA::Major::K, "SM100_MMA_TF32_2x1SM_TS A from TMEM can't be transposed");
using DRegisters = void;
using ARegisters = uint32_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint32_t const& tmem_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_TF32_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[8] = {0, 0, 0, 0, 0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::tf32 [%0], [%1], %2, %3, {%5, %6, %7, %8, %9, %10, %11, %12}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "r"(tmem_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]),
"r"(mask[4]), "r"(mask[5]), "r"(mask[6]), "r"(mask[7]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_TF32_2x1SM_TS without CUTE_ARCH_TCGEN05_TF32_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_F16BF16_2x1SM_TS
{
static_assert(M == 128 || M == 256, "SM100_MMA_F16BF16_2x1SM_TS M-mode size should be 128 or 256 for 2 CTA cluster MMA.");
static_assert((N % 32 == 0) && (32 <= N) && (N <= 256), "SM100_MMA_F16BF16_2x1SM_TS N-mode size should be a multiple of 32 between 32 and 256.");
static_assert(a_major == UMMA::Major::K, "SM100_MMA_F16BF16_2x1SM_TS A from TMEM can't be transposed");
using DRegisters = void;
using ARegisters = uint32_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint32_t const& tmem_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_F16F32_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[8] = {0, 0, 0, 0, 0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::f16 [%0], [%1], %2, %3, {%5, %6, %7, %8, %9, %10, %11, %12}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "r"(tmem_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]),
"r"(mask[4]), "r"(mask[5]), "r"(mask[6]), "r"(mask[7]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F16BF16_2x1SM_TS without CUTE_ARCH_TCGEN05_F16F32_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major, uint32_t ScaleC,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One>
struct SM100_MMA_F16BF16_2x1SM_SS_SCALED
{
static_assert(M == 128 || M == 256, "SM100_MMA_F16BF16_2x1SM_SS_SCALED M-mode size should be 128 or 256 for 2 CTA cluster MMA.");
static_assert((N % 32 == 0) && (32 <= N) && (N <= 256), "SM100_MMA_F16BF16_2x1SM_SS_SCALED N-mode size should be a multiple of 32 between 32 and 256.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& accumulate,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_F16BF16_MMA_SCALED_ENABLED)
if (cute::elect_one_sync()) {
// ScaleC input should be a literal or compile time constant
uint32_t mask[8] = {0, 0, 0, 0, 0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::f16 [%0], %1, %2, %3, {%5, %6, %7, %8, %9, %10, %11, %12}, p, %13; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(accumulate),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]),
"r"(mask[4]), "r"(mask[5]), "r"(mask[6]), "r"(mask[7]), "n"(ScaleC));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F16BF16_2x1SM_SS_SCALED without CUTE_ARCH_TCGEN05_F16BF16_MMA_SCALED_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major, uint32_t ScaleC,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_F16BF16_2x1SM_TS_SCALED
{
static_assert(M == 128 || M == 256, "SM100_MMA_F16BF16_2x1SM_TS_SCALED M-mode size should be 128 or 256 for 2 CTA cluster MMA.");
static_assert((N % 32 == 0) && (32 <= N) && (N <= 256), "SM100_MMA_F16BF16_2x1SM_TS_SCALED N-mode size should be a multiple of 32 between 32 and 256.");
static_assert(a_major == UMMA::Major::K, "SM100_MMA_F16BF16_2x1SM_TS_SCALED A from TMEM can't be transposed");
using DRegisters = void;
using ARegisters = uint32_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint32_t const& tmem_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& accumulate,
uint64_t idescE)
{
#if defined(CUTE_ARCH_TCGEN05_F16BF16_MMA_SCALED_ENABLED)
if (cute::elect_one_sync()) {
// ScaleC input should be a literal or compile time constant
uint32_t mask[8] = {0, 0, 0, 0, 0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::f16 [%0], [%1], %2, %3, {%5, %6, %7, %8, %9, %10, %11, %12}, p, %13; \n\t"
"}\n"
:
: "r"(tmem_c), "r"(tmem_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(accumulate),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]),
"r"(mask[4]), "r"(mask[5]), "r"(mask[6]), "r"(mask[7]), "n"(ScaleC));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F16BF16_2x1SM_TS_SCALED without CUTE_ARCH_TCGEN05_F16BF16_MMA_SCALED_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_S8_SS
{
static_assert(is_same_v<c_type, int32_t>, "SM100_MMA_S8_SS result type can only be int32_t.");
static_assert(M == 64 || M == 128, "SM100_MMA_S8_SS M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert(N == 8 || ((N % 16 == 0) && (16 <= N) && (N <= 256)), "SM100_MMA_S8_SS N-mode size should be 8 or a multiple of 16 between 16 and 256.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_S8_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[4] = {0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::i8 [%0], %1, %2, %3, {%5, %6, %7, %8}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_S8_SS without CUTE_ARCH_TCGEN05_S8_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_S8_TS
{
static_assert(M == 64 || M == 128, "SM100_MMA_S8_TS M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert(N == 8 || ((N % 16 == 0) && (16 <= N) && (N <= 256)), "SM100_MMA_S8_TS N-mode size should be 8 or a multiple of 16 between 16 and 256.");
static_assert(a_major == UMMA::Major::K, "SM100_MMA_S8_TS A from TMEM can't be transposed");
using DRegisters = void;
using ARegisters = uint32_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint32_t const& tmem_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_S8_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[4] = {0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::i8 [%0], [%1], %2, %3, {%5, %6, %7, %8}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "r"(tmem_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_S8_TS without CUTE_ARCH_TCGEN05_S8_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_S8_2x1SM_SS
{
static_assert(M == 128 || M == 256, "SM100_MMA_S8_2x1SM_SS M-mode size should be 128 or 256 for 2 CTA cluster MMA.");
static_assert((N % 32 == 0) && (32 <= N) && (N <= 256), "SM100_MMA_S8_2x1SM_SS N-mode size should be a multiple of 32 between 32 and 256.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_S8_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[8] = {0, 0, 0, 0, 0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::i8 [%0], %1, %2, %3, {%5, %6, %7, %8, %9, %10, %11, %12}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]),
"r"(mask[4]), "r"(mask[5]), "r"(mask[6]), "r"(mask[7]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_S8_2x1SM_SS without CUTE_ARCH_TCGEN05_S8_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_S8_2x1SM_TS
{
static_assert(M == 128 || M == 256, "SM100_MMA_S8_2x1SM_TS M-mode size should be 128 or 256 for 2 CTA cluster MMA.");
static_assert((N % 32 == 0) && (32 <= N) && (N <= 256), "SM100_MMA_S8_2x1SM_TS N-mode size should be a multiple of 32 between 32 and 256.");
static_assert(a_major == UMMA::Major::K, "SM100_MMA_S8_2x1SM_TS A from TMEM can't be transposed");
using DRegisters = void;
using ARegisters = uint32_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint32_t const& tmem_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_S8_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[8] = {0, 0, 0, 0, 0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::i8 [%0], [%1], %2, %3, {%5, %6, %7, %8, %9, %10, %11, %12}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "r"(tmem_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]),
"r"(mask[4]), "r"(mask[5]), "r"(mask[6]), "r"(mask[7]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_S8_2x1SM_TS without CUTE_ARCH_TCGEN05_S8_MMA_ENABLED");
#endif
}
};
struct SM100_MMA_F8F6F4_SS
{
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[4] = {0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::f8f6f4 [%0], %1, %2, %3, {%5, %6, %7, %8}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F8F6F4_SS without CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type, class sf_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One>
struct SM100_MMA_MXF8F6F4_SS
{
static_assert(M == 128, "SM100_MMA_MXF8F6F4_SS M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert((N % 8 == 0) && (8 <= N) && (N <= 256), "SM100_MMA_MXF8F6F4_SS N-mode size should be a multiple of 8 between 8 and 256.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
using SFARegisters = uint32_t[1];
using SFBRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE,
uint32_t const& tsfa_addr,
uint32_t const& tsfb_addr)
{
#if defined(CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED)
if (cute::elect_one_sync()) {
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::mxf8f6f4.block_scale [%0], %1, %2, %3, [%5], [%6], p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC), "r"(tsfa_addr), "r"(tsfb_addr));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F8F6F4_SS without CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_F8F6F4_TS
{
static_assert(M == 64 || M == 128, "SM100_MMA_F8F6F4_TS M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert((M == 64 && (N % 8 == 0) && (8 <= N) && (N <= 256)) ||
(M == 128 && (N % 16 == 0) && (16 <= N) && (N <= 256)),
"SM100_MMA_F8F6F4_TS N-mode size should be a multiple of 8 between 8 and 256 for M=64,\
or a multiple of 16 between 16 and 256 for M=128.");
static_assert(a_major == UMMA::Major::K, "SM100_MMA_F8F6F4_TS A from TMEM can't be transposed");
using DRegisters = void;
using ARegisters = uint32_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint32_t const& tmem_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[4] = {0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::f8f6f4 [%0], [%1], %2, %3, {%5, %6, %7, %8}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "r"(tmem_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F8F6F4_TS without CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One,
UMMA::Saturate c_sat = UMMA::Saturate::False>
struct SM100_MMA_F8F6F4_2x1SM_TS
{
static_assert(M == 128 || M == 256, "SM100_MMA_F8F6F4_2x1SM_TS M-mode size should be 64 or 128 for 1 CTA cluster MMA.");
static_assert((N % 32 == 0) && (32 <= N) && (N <= 256), "SM100_MMA_F8F6F4_2x1SM_TS N-mode size should be a multiple of 32 between 32 and 256.");
static_assert(a_major == UMMA::Major::K, "SM100_MMA_F8F6F4_2x1SM_TS A from TMEM can't be transposed");
using DRegisters = void;
using ARegisters = uint32_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint32_t const& tmem_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[8] = {0, 0, 0, 0, 0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::f8f6f4 [%0], [%1], %2, %3, {%5, %6, %7, %8, %9, %10, %11, %12}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "r"(tmem_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]),
"r"(mask[4]), "r"(mask[5]), "r"(mask[6]), "r"(mask[7]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F8F6F4_TS without CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED");
#endif
}
};
struct SM100_MMA_F8F6F4_2x1SM_SS
{
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE)
{
#if defined(CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED)
if (cute::elect_one_sync()) {
uint32_t mask[8] = {0, 0, 0, 0, 0, 0, 0, 0};
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::f8f6f4 [%0], %1, %2, %3, {%5, %6, %7, %8, %9, %10, %11, %12}, p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(mask[0]), "r"(mask[1]), "r"(mask[2]), "r"(mask[3]),
"r"(mask[4]), "r"(mask[5]), "r"(mask[6]), "r"(mask[7]));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_F8F6F4_2x1SM_SS without CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type, class sf_type,
int M, int N, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One>
struct SM100_MMA_MXF8F6F4_2x1SM_SS
{
static_assert(M == 256, "SM100_MMA_MXF8F6F4_2x1SM_SS M-mode size should be 128 or 256 for 2 CTA cluster MMA.");
static_assert((N % 16 == 0) && (16 <= N) && (N <= 256), "SM100_MMA_MXF8F6F4_2x1SM_SS N-mode size should be a multiple of 16 between 16 and 256.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE,
uint32_t const& tsfa_addr,
uint32_t const& tsfb_addr)
{
#if defined(CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED)
if (cute::elect_one_sync()) {
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::2.kind::mxf8f6f4.block_scale [%0], %1, %2, %3, [%5], [%6], p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(tsfa_addr), "r"(tsfb_addr));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_MXF8F6F4_2x1SM_SS without CUTE_ARCH_TCGEN05_MXF8F6F4_MMA_ENABLED");
#endif
}
};
template <class a_type, class b_type, class c_type, class sf_type,
int M, int N, int VS, UMMA::Major a_major, UMMA::Major b_major,
UMMA::ScaleIn a_neg = UMMA::ScaleIn::One, UMMA::ScaleIn b_neg = UMMA::ScaleIn::One>
struct SM100_MMA_MXF4_SS
{
static_assert(M == 128, "SM100_MMA_MXF4_SS M-mode size should be 128 for 1 CTA cluster MMA.");
static_assert((N % 8 == 0) && (8 <= N) && (N <= 256), "SM100_MMA_MXF4_SS N-mode size should be a multiple of 8 between 8 and 256.");
static_assert((VS == 16) || (VS == 32), "SM100_MMA_MXF4_SS Vector size can only be 16 or 32.");
using DRegisters = void;
using ARegisters = uint64_t[1];
using BRegisters = uint64_t[1];
using CRegisters = uint32_t[1];
using SFARegisters = uint32_t[1];
using SFBRegisters = uint32_t[1];
CUTE_HOST_DEVICE static void
fma(uint64_t const& desc_a,
uint64_t const& desc_b,
uint32_t const& tmem_c,
uint32_t const& scaleC,
uint64_t const& idescE,
uint32_t const& tsfa_addr,
uint32_t const& tsfb_addr)
{
if constexpr (VS == 16) {
#if defined(CUTE_ARCH_TCGEN05_MXF4NVF4_MMA_ENABLED)
if (cute::elect_one_sync()) {
asm volatile(
"{\n\t"
".reg .pred p;\n\t"
"setp.ne.b32 p, %4, 0;\n\t"
"tcgen05.mma.cta_group::1.kind::mxf4nvf4.block_scale.scale_vec::4X [%0], %1, %2, %3, [%5], [%6], p; \n\t"
"}\n"
:
: "r"(tmem_c), "l"(desc_a), "l"(desc_b), "r"(uint32_t(idescE>>32)), "r"(scaleC),
"r"(tsfa_addr), "r"(tsfb_addr));
}
#else
CUTE_INVALID_CONTROL_PATH("Attempting to use SM100_MMA_MXF4_SS (VS = 16) without CUTE_ARCH_TCGEN05_MXF4NVF4_MMA_ENABLED");
#endif
}
if constexpr (VS == 32) {
#if defined(CUTE_ARCH_TCGEN05_MXF4_MMA_ENABLED)
if (cute::elect_one_sync()) {
asm volatile(
"{\n\t"