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memory: respect unified KV cache in hybrid memory for eval tasks #21224

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Merged
ggerganov merged 1 commit into from
Apr 1, 2026
Merged

memory: respect unified KV cache in hybrid memory for eval tasks #21224

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6 changes: 3 additions & 3 deletions src/llama-memory-hybrid-iswa.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -73,9 +73,9 @@ llama_memory_context_ptr llama_memory_hybrid_iswa::init_batch(llama_batch_allocr
// if all tokens are output, split by sequence
ubatch = balloc.split_seq(n_ubatch);
} else {
// TODO: non-sequential equal split can be done if using unified KV cache
// for simplicity, we always use sequential equal split for now
ubatch = balloc.split_equal(n_ubatch, true);
// Use non-sequential split when KV cache is unified (needed for hellaswag/winogrande/multiple-choice)
const bool unified = (mem_attn->get_base()->get_n_stream() == 1);
ubatch = balloc.split_equal(n_ubatch, !unified);
}

if (ubatch.n_tokens == 0) {
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6 changes: 3 additions & 3 deletions src/llama-memory-hybrid.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -73,9 +73,9 @@ llama_memory_context_ptr llama_memory_hybrid::init_batch(llama_batch_allocr & ba
// if all tokens are output, split by sequence
ubatch = balloc.split_seq(n_ubatch);
} else {
// TODO: non-sequential equal split can be done if using unified KV cache
// for simplicity, we always use sequential equal split for now
ubatch = balloc.split_equal(n_ubatch, true);
// Use non-sequential split when KV cache is unified (needed for hellaswag/winogrande/multiple-choice)
const bool unified = (mem_attn->get_n_stream() == 1);
ubatch = balloc.split_equal(n_ubatch, !unified);
}

if (ubatch.n_tokens == 0) {
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