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[None][fix] Fix TLLM_SPEC_DECODE_FORCE_NUM_ACCEPTED_TOKENS for MTP/EAGLE #9608

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Merged
achartier merged 1 commit into from
Dec 4, 2025
Merged

[None][fix] Fix TLLM_SPEC_DECODE_FORCE_NUM_ACCEPTED_TOKENS for MTP/EAGLE #9608

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7 changes: 4 additions & 3 deletions tensorrt_llm/_torch/speculative/eagle3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -530,9 +530,10 @@ def sample_and_accept_draft_tokens(
dim=-1).sum(1)
# Check for environment variable override
if self.force_num_accepted_tokens != 0:
force_num_accepted_tokens = min(self.force_num_accepted_tokens,
self.max_draft_len + 1)
num_accepted_tokens[num_contexts:] = force_num_accepted_tokens
# total tokens per iteration = accepted draft tokens + 1 target token
force_total_tokens = min(self.force_num_accepted_tokens + 1,
self.max_draft_len + 1)
num_accepted_tokens[num_contexts:] = force_total_tokens
return accepted_tokens, num_accepted_tokens

def draft_decoder(
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7 changes: 4 additions & 3 deletions tensorrt_llm/_torch/speculative/mtp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -908,9 +908,10 @@ def sample_and_accept_draft_tokens(

# Check for environment variable override
if self.force_num_accepted_tokens != 0:
force_num_accepted_tokens = min(self.force_num_accepted_tokens,
mtp_num_modules + 1)
num_accepted_tokens[num_contexts:] = force_num_accepted_tokens
# total tokens per iteration = accepted draft tokens + 1 target token
force_total_tokens = min(self.force_num_accepted_tokens + 1,
mtp_num_modules + 1)
num_accepted_tokens[num_contexts:] = force_total_tokens

return accepted_tokens, num_accepted_tokens

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