[Diffusion] Add C++ dpm solver (#714)

* Add BetaForAlphaBar, ConvertModelOutput, SetTimesteps, and constructor for DPMSolverMultistepScheduler

* tmp

* Add DPMSolverFirstOrderUpdate

* Add ScaleModelInput

* Add MultiStepDPMSolverSecondOrderUpdate

* add MultiStepDPMSolverThirdOrderUpdate

* Add Step

* Add FASTDEPLOY_DECL

* Add AddNoise

* Fix operator

* update

* Fix DPMSolverMultistepScheduler

* Upgrade Slice

* Fix DPMSolverFirstOrderUpdate

* remove FASTDEPLOY_DECL

* Add config for dpm solver
This commit is contained in:
Jack Zhou
2022-11-30 13:41:22 +08:00
committed by GitHub
parent 3f8ed9bfee
commit d95094cfe5
14 changed files with 675 additions and 11 deletions

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// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dpm_solver_multistep_scheduler.h"
#include <iostream>
int main() {
fastdeploy::DPMSolverMultistepScheduler dpm(
/* num_train_timesteps */ 1000,
/* beta_start = */ 0.00085,
/* beta_end = */ 0.012,
/* beta_schedule = */ "scaled_linear",
/* trained_betas = */ {},
/* solver_order = */ 2,
/* predict_epsilon = */ true,
/* thresholding = */ false,
/* dynamic_thresholding_ratio = */ 0.995,
/* sample_max_value = */ 1.0,
/* algorithm_type = */ "dpmsolver++",
/* solver_type = */ "midpoint",
/* lower_order_final = */ true);
return 0;
}