mirror of
https://github.com/ROCm/composable_kernel.git
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Implement the fp16xint4 scale weight only kernel for Ali (#1786)
* enable int4 scale (weight only) kernel * format some files * Add unit test for int4 weight only * fixed and formatted code * fixed * formated * formated * fixed * fixed a bug in the ckProfiler, and formatted the code --------- Co-authored-by: mtgu0705 <mtgu@amd.com>
This commit is contained in:
Mingtao Gu
448
profiler/include/profiler/profile_gemm_b_scale_impl.hpp
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448
profiler/include/profiler/profile_gemm_b_scale_impl.hpp
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@@ -0,0 +1,448 @@
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// SPDX-License-Identifier: MIT
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// Copyright (c) 2023-2024, Advanced Micro Devices, Inc. All rights reserved.
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#pragma once
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#include <iomanip>
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#include <iostream>
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#include <typeinfo>
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#include "ck/ck.hpp"
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#include "ck/tensor_operation/gpu/device/tensor_layout.hpp"
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#include "ck/tensor_operation/gpu/device/impl/device_gemm_xdl_cshuffle_v3_b_scale.hpp"
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#include "ck/tensor_operation/gpu/element/element_wise_operation.hpp"
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#include "ck/library/tensor_operation_instance/gpu/gemm_b_scale.hpp"
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#include "ck/library/utility/check_err.hpp"
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#include "ck/library/utility/device_memory.hpp"
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#include "ck/library/utility/host_tensor.hpp"
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#include "ck/library/utility/host_tensor_generator.hpp"
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#include "ck/library/utility/literals.hpp"
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#include "ck/library/reference_tensor_operation/cpu/reference_gemm.hpp"
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namespace ck {
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namespace profiler {
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template <typename ADataType,
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typename BDataType,
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typename BScaleDataType,
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typename ComputeDataType,
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typename AccDataType,
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typename CDataType,
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index_t ScaleBlockK,
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typename ALayout,
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typename BLayout,
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typename CLayout>
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bool profile_gemm_b_scale_impl(int do_verification,
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int init_method,
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bool do_log,
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bool time_kernel,
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int M,
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int N,
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int K,
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int StrideA,
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int StrideB,
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int StrideC,
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int KBatch,
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int n_warmup,
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int n_iter,
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uint64_t rotating = 0)
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{
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bool pass = true;
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auto f_host_tensor_descriptor =
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[](std::size_t row, std::size_t col, std::size_t stride, auto layout) {
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using namespace ck::literals;
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if(is_same<decltype(layout), tensor_layout::gemm::RowMajor>::value)
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{
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return HostTensorDescriptor({row, col}, {stride, 1_uz});
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}
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else
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{
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return HostTensorDescriptor({row, col}, {1_uz, stride});
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}
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};
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ck::index_t Scale_Stride_BN = ck::is_same_v<BLayout, ck::tensor_layout::gemm::ColumnMajor>
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? ((K + ScaleBlockK - 1) / ScaleBlockK)
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: N;
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Tensor<ADataType> a_m_k(f_host_tensor_descriptor(M, K, StrideA, ALayout{}));
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Tensor<BDataType> b_k_n(f_host_tensor_descriptor(K, N, StrideB, BLayout{}));
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Tensor<BDataType> b_k_n_permute(f_host_tensor_descriptor(K, N, StrideB, BLayout{}));
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Tensor<BScaleDataType> b1_k_n(f_host_tensor_descriptor(
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(K + ScaleBlockK - 1) / ScaleBlockK, // K direction group size is ScaleBlockK
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N, // N direction group size is 1
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Scale_Stride_BN,
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BLayout{}));
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Tensor<CDataType> c_m_n_host_result(f_host_tensor_descriptor(M, N, StrideC, CLayout{}));
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Tensor<CDataType> c_m_n_device_result(f_host_tensor_descriptor(M, N, StrideC, CLayout{}));
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int total_gemm_needed = a_m_k.GetElementSpaceSizeInBytes() +
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b_k_n.GetElementSpaceSizeInBytes() +
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b1_k_n.GetElementSpaceSizeInBytes();
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int rotating_count = std::max(
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1,
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std::min(n_iter,
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static_cast<int>(std::ceil(static_cast<double>(rotating) / total_gemm_needed))));
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std::cout << "a_m_k: " << a_m_k.mDesc << std::endl;
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std::cout << "b_k_n: " << b_k_n.mDesc << std::endl;
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std::cout << "b1_k_n: " << b1_k_n.mDesc << std::endl;
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std::cout << "c_m_n: " << c_m_n_device_result.mDesc << std::endl;
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std::cout << "rotating count: " << rotating_count << std::endl;
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switch(init_method)
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{
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case 0: break;
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case 1:
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a_m_k.GenerateTensorValue(GeneratorTensor_2<ADataType>{-1, 2});
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b_k_n.GenerateTensorValue(GeneratorTensor_2<BDataType>{-1, 2});
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b1_k_n.GenerateTensorValue(GeneratorTensor_3<BScaleDataType>{0, 1.0});
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break;
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case 2:
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a_m_k.GenerateTensorValue(GeneratorTensor_3<ADataType>{0.0, 1.0});
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b_k_n.GenerateTensorValue(GeneratorTensor_3<BDataType>{-0.5, 0.5});
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b1_k_n.GenerateTensorValue(GeneratorTensor_3<BScaleDataType>{0, 1.0});
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break;
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default:
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a_m_k.GenerateTensorValue(GeneratorTensor_3<ADataType>{0.0, 1.0});
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b_k_n.GenerateTensorValue(GeneratorTensor_2<BDataType>{-2, 2});
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b1_k_n.GenerateTensorValue(GeneratorTensor_3<BScaleDataType>{0, 1.0});
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}
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using AElementOp = ck::tensor_operation::element_wise::PassThrough;
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using BElementOp = ck::tensor_operation::element_wise::PassThrough;
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using CElementOp = ck::tensor_operation::element_wise::PassThrough;
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const auto a_element_op = AElementOp{};
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const auto b_element_op = BElementOp{};
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const auto c_element_op = CElementOp{};
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DeviceMem a_device_buf(sizeof(ADataType) * a_m_k.mDesc.GetElementSpaceSize());
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DeviceMem b_device_buf(sizeof(BDataType) * b_k_n_permute.mDesc.GetElementSpaceSize());
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DeviceMem b1_device_buf(sizeof(BScaleDataType) * b1_k_n.mDesc.GetElementSpaceSize());
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DeviceMem c_device_buf(sizeof(CDataType) * c_m_n_device_result.mDesc.GetElementSpaceSize());
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a_device_buf.ToDevice(a_m_k.mData.data());
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b1_device_buf.ToDevice(b1_k_n.mData.data());
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using DeviceOp = ck::tensor_operation::device::DeviceGemmV2BScale<ALayout,
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BLayout,
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CLayout,
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ADataType,
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BDataType,
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BScaleDataType,
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CDataType,
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1,
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ScaleBlockK,
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AElementOp,
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BElementOp,
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CElementOp>;
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// get device op instances
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const auto op_ptrs = ck::tensor_operation::device::instance::DeviceOperationInstanceFactory<
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DeviceOp>::GetInstances();
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std::cout << "found " << op_ptrs.size() << " instances" << std::endl;
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// Run reference GEMM
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if(do_verification)
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{
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Tensor<float> b_k_n_dequant({K, N});
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float v_b = 0;
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for(int n = 0; n < N; n++)
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{
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for(int k = 0; k < K; k++)
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{
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ck::pk_i4_t i4x2 = b_k_n(k, n).data;
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int8_t i4 = 0;
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if(k % 2 == 1)
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i4 = (i4x2.data >> 0) & 0xf;
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else
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i4 = (i4x2.data >> 4) & 0xf;
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i4 = i4 - 8;
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v_b = ck::type_convert<float>(i4);
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b_k_n_dequant(k, n) = ck::type_convert<float>(v_b) *
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ck::type_convert<float>(b1_k_n(k / ScaleBlockK, n));
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}
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}
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using ReferenceGemmInstance = ck::tensor_operation::host::ReferenceGemm<ADataType,
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BDataType,
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CDataType,
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AccDataType,
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AElementOp,
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BElementOp,
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CElementOp,
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ComputeDataType>;
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auto ref_gemm = ReferenceGemmInstance{};
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auto ref_invoker = ref_gemm.MakeInvoker();
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auto ref_argument = ref_gemm.MakeArgument(
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a_m_k, b_k_n_dequant, c_m_n_host_result, a_element_op, b_element_op, c_element_op);
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ref_invoker.Run(ref_argument);
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}
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std::string best_op_name;
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float best_ave_time = 0;
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float best_tflops = 0;
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float best_gb_per_sec = 0;
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float best_kbatch = 0;
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// profile device GEMM instances
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for(auto& op_ptr : op_ptrs)
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{
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const int KPerBlock = op_ptr->GetKPerBlock();
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if(op_ptr->GetPermuteB())
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{
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int K1 = KPerBlock;
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int K0 = K / KPerBlock;
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// int K0, N, K1
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for(int j = 0; j < K0; j++)
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{
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for(int i = 0; i < N; i++)
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{
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for(int jj = 0; jj < K1; jj++)
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{
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b_k_n_permute(j * N * K1 + i * K1 + jj) = b_k_n(i * K + (j * K1 + jj));
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}
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}
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}
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if(is_same_v<BDataType, pk_i4_t> && is_same_v<ADataType, half_t>)
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{
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// vector pk_i4x4 permute
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for(int i = 0; i < N; i++)
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{
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for(int j = 0; j < K; j += 8)
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{
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int input[8];
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for(int k = 0; k < 4; k++)
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{
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int i4x2 = b_k_n_permute(j + k * 2, i).data;
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input[k * 2 + 0] = (i4x2 >> 4) & 0xf;
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input[k * 2 + 1] = (i4x2 >> 0) & 0xf;
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}
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// permute 01234567->20643175
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{
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int hi = input[2];
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int lo = input[0];
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int i4x2 = (hi << 4) | lo;
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b_k_n_permute(j + 0, i) = i4x2;
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}
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{
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int hi = input[6];
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int lo = input[4];
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int i4x2 = (hi << 4) | lo;
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b_k_n_permute(j + 2, i) = i4x2;
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}
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{
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int hi = input[3];
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int lo = input[1];
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int i4x2 = (hi << 4) | lo;
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b_k_n_permute(j + 4, i) = i4x2;
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}
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{
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int hi = input[7];
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int lo = input[5];
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int i4x2 = (hi << 4) | lo;
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b_k_n_permute(j + 6, i) = i4x2;
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}
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}
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}
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}
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}
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else
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{
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b_k_n_permute = b_k_n;
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}
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b_device_buf.ToDevice(b_k_n_permute.mData.data());
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std::vector<int> kbatch_list = {1, 2, 4, 8, 16, 19, 32, 38};
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if(KBatch > 0)
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{
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kbatch_list = {KBatch};
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}
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for(std::size_t i = 0; i < kbatch_list.size(); i++)
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{
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auto kbatch_curr = kbatch_list[i];
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auto argument_ptr = op_ptr->MakeArgumentPointer(
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static_cast<ADataType*>(a_device_buf.GetDeviceBuffer()),
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static_cast<BDataType*>(b_device_buf.GetDeviceBuffer()),
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static_cast<CDataType*>(c_device_buf.GetDeviceBuffer()),
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M,
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N,
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K,
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StrideA,
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StrideB,
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StrideC,
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Scale_Stride_BN,
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static_cast<BScaleDataType*>(b1_device_buf.GetDeviceBuffer()),
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kbatch_curr,
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a_element_op,
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b_element_op,
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c_element_op);
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auto invoker_ptr = op_ptr->MakeInvokerPointer();
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if(op_ptr->IsSupportedArgument(argument_ptr.get()))
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{
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// re-init C to zero before profiling next kernel
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c_device_buf.SetZero();
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invoker_ptr->Run(argument_ptr.get(),
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StreamConfig{nullptr, false, 0, n_warmup, n_iter});
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if(do_verification)
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{
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c_device_buf.FromDevice(c_m_n_device_result.mData.data());
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#if defined CK_ENABLE_FP8
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// set softer tolerances for fp8
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if constexpr(is_same_v<ADataType, f8_t> || is_same_v<BDataType, f8_t> ||
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is_same_v<CDataType, f8_t>)
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{
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std::string msg = "Error: Incorrect results!";
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double rtol = 1e-1;
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double atol = 1e-1;
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pass = pass & ck::utils::check_err(
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c_m_n_device_result, c_m_n_host_result, msg, rtol, atol);
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}
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else
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{
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#endif
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pass = pass & ck::utils::check_err(c_m_n_device_result, c_m_n_host_result);
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#if defined CK_ENABLE_FP8
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}
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#endif
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if(do_log)
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{
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LogRangeAsType<float>(std::cout << "a : ", a_m_k.mData, ",") << std::endl;
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LogRangeAsType<int8_t>(std::cout << "b: ", b_k_n.mData, ",") << std::endl;
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LogRangeAsType<float>(
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std::cout << "c_host : ", c_m_n_host_result.mData, ",")
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<< std::endl;
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LogRangeAsType<float>(
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std::cout << "c_device: ", c_m_n_device_result.mData, ",")
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<< std::endl;
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}
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}
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std::string op_name = op_ptr->GetTypeString();
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float ave_time = invoker_ptr->Run(argument_ptr.get(),
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StreamConfig{nullptr,
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time_kernel,
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0,
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n_warmup,
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n_iter,
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rotating_count > 1,
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rotating_count});
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std::size_t flop = std::size_t(2) * M * N * K;
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static constexpr index_t BPackedSize = []() {
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if constexpr(is_same_v<remove_cvref_t<BDataType>, pk_i4_t>)
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return 2;
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else
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return 1;
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}();
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std::size_t num_btype = sizeof(ADataType) * M * K +
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sizeof(BDataType) * K * N / BPackedSize +
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sizeof(CDataType) * M * N;
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float tflops = static_cast<float>(flop) / 1.E9 / ave_time;
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float gb_per_sec = num_btype / 1.E6 / ave_time;
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std::cout << "Perf: " << std::setw(10) << ave_time << " ms, " << tflops
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<< " TFlops, " << gb_per_sec << " GB/s, " << op_name << ", KBatch "
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<< kbatch_curr << std::endl;
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if(tflops > best_tflops && ave_time > 1e-10)
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{
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best_op_name = op_name;
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best_tflops = tflops;
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best_ave_time = ave_time;
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best_gb_per_sec = gb_per_sec;
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best_kbatch = kbatch_curr;
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}
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}
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else
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{
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std::cout << op_ptr->GetTypeString() << " does not support this problem"
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<< std::endl;
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}
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}
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}
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if constexpr(is_same<CDataType, float>::value)
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{
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std::cout << "Best Perf for datatype = f32";
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}
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else if constexpr(is_same<CDataType, half_t>::value)
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{
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std::cout << "Best Perf for datatype = f16";
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}
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else if constexpr(is_same<CDataType, bhalf_t>::value)
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{
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std::cout << "Best Perf for datatype = bf16";
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}
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else if constexpr(is_same<CDataType, int8_t>::value)
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{
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std::cout << "Best Perf for datatype = int8";
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}
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if constexpr(is_same<ALayout, tensor_layout::gemm::RowMajor>::value)
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{
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std::cout << " ALayout = RowMajor";
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}
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else if constexpr(is_same<ALayout, tensor_layout::gemm::ColumnMajor>::value)
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{
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std::cout << " ALayout = ColumnMajor";
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}
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if constexpr(is_same<BLayout, tensor_layout::gemm::RowMajor>::value)
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{
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std::cout << " BLayout = RowMajor";
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}
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else if constexpr(is_same<BLayout, tensor_layout::gemm::ColumnMajor>::value)
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{
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std::cout << " BLayout = ColumnMajor";
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}
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std::cout << " M = " << M << " N = " << N << " K = " << K << " StrideA = " << StrideA
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<< " StrideB = " << StrideB << " StrideC = " << StrideC << " KBatch = " << best_kbatch
|
||||
<< " : " << best_ave_time << " ms, " << best_tflops << " TFlops, " << best_gb_per_sec
|
||||
<< " GB/s, " << best_op_name << std::endl;
|
||||
|
||||
return pass;
|
||||
}
|
||||
|
||||
} // namespace profiler
|
||||
} // namespace ck
|
||||
Reference in New Issue
Block a user