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LocalAI/backend/cpp/ds4/generation_limits.h
T
Claudio Maradonna 30e53f8d9f fix(ds4): enforce generation boundaries (#11821)
Clamp requested generation to the usable context after prompt sync while preserving the legacy 256-token fallback for omitted limits.

Constrain each speculative MTP cycle to the remaining request budget so accepted tokens cannot advance beyond the visible output limit.

Assisted-by: Codex:gpt-5.6-sol

Signed-off-by: Claudio Maradonna <git@codeshifter.xyz>
2026-09-02 12:36:10 +02:00

28 lines
858 B
C++

// SPDX-License-Identifier: MIT
#pragma once
#include <algorithm>
namespace ds4cpp {
inline int EffectiveGenerationLimit(int requested, int context_size,
int session_position) {
const int limit = requested > 0 ? requested : 256;
const int room = context_size - session_position;
if (room <= 1) return 0;
return std::min(limit, room - 1);
}
inline int RemainingGenerationBudget(int effective_limit, int produced) {
if (effective_limit <= produced) return 0;
return effective_limit - produced;
}
inline int SpeculativeAcceptedCapacity(int remaining, int draft_allowance,
int buffer_capacity) {
if (remaining <= 0 || draft_allowance < 0 || buffer_capacity <= 0) return 0;
return std::min({remaining, draft_allowance + 1, buffer_capacity});
}
} // namespace ds4cpp