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40 lines
1.5 KiB
C#
40 lines
1.5 KiB
C#
using AIStudio.Chat;
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namespace AIStudio.Assistants.BeyondFactsLab;
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/// <summary>
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/// Decides how much room a chat of the BeyondFacts Lab has left in the context of its model.
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/// </summary>
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/// <remarks>
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/// Every request carries the guide of the lab, so a conversation fills the context faster than an ordinary chat.
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/// A model which loses the beginning of its context loses its instructions first; therefore, the lab stops before.
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/// </remarks>
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public static class BflTokenBudget
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{
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/// <summary>
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/// From which share of the context on the lab warns.
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/// </summary>
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public const double WARNING_SHARE = 0.8;
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/// <summary>
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/// How many tokens the lab keeps free for the next message and its answer.
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/// </summary>
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public const int RESERVE_TOKENS = 4_096;
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/// <summary>
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/// Decides how much room a chat has left.
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/// </summary>
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/// <param name="tokens">What the conversation costs, with the system prompt, and the context of the model.</param>
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/// <returns>The state of the budget.</returns>
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public static BflTokenBudgetState Of(ConversationTokens tokens)
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{
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if (!tokens.IsKnown || !tokens.Window.IsKnown)
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return BflTokenBudgetState.UNKNOWN;
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var window = tokens.Window.DefaultTokens;
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if (tokens.Tokens > window - RESERVE_TOKENS)
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return BflTokenBudgetState.FULL;
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return tokens.Tokens >= window * WARNING_SHARE ? BflTokenBudgetState.WARNING : BflTokenBudgetState.OK;
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}
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} |