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DDIMOptions.cs
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64 lines (47 loc) · 2.12 KB
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using System.Collections.Generic;
using System.Linq;
using System.Text.Json.Serialization;
namespace TensorStack.Python.Scheduler
{
public sealed record DDIMOptions : SchedulerOptions
{
public DDIMOptions() : base() { }
private DDIMOptions(DDIMOptions other) : base(other)
{
ShallowCopyProperties(other);
TrainedBetas = other.TrainedBetas?.ToList();
}
[JsonIgnore]
public override SchedulerType Scheduler => SchedulerType.DDIM;
[JsonPropertyName("num_train_timesteps")]
public int NumTrainTimesteps { get; init; } = 1000;
[JsonPropertyName("beta_start")]
public float BetaStart { get; init; } = 0.00085f;
[JsonPropertyName("beta_end")]
public float BetaEnd { get; init; } = 0.012f;
[JsonPropertyName("beta_schedule")]
public BetaScheduleType BetaSchedule { get; init; } = BetaScheduleType.ScaledLinear;
[JsonPropertyName("trained_betas")]
public List<float> TrainedBetas { get; set; }
[JsonPropertyName("set_alpha_to_one")]
public bool SetAlphaToOne { get; set; } = true;
[JsonPropertyName("prediction_type")]
public PredictionType PredictionType { get; init; } = PredictionType.Epsilon;
[JsonPropertyName("thresholding")]
public bool Thresholding { get; set; }
[JsonPropertyName("dynamic_thresholding_ratio")]
public float DynamicThresholdingRatio { get; set; } = 0.995f;
[JsonPropertyName("clip_sample")]
public bool ClipSample { get; set; } = true;
[JsonPropertyName("clip_sample_range")]
public float ClipSampleRange { get; set; } = 1f;
[JsonPropertyName("sample_max_value")]
public float SampleMaxValue { get; set; } = 1f;
[JsonPropertyName("timestep_spacing")]
public TimestepSpacingType TimestepSpacing { get; init; } = TimestepSpacingType.Leading;
[JsonPropertyName("steps_offset")]
public int StepsOffset { get; init; } = 0;
[JsonPropertyName("rescale_betas_zero_snr")]
public bool RescaleBetasZeroSNR { get; set; }
}
}