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Add MergingPress: scorer-agnostic merge-on-evict for KV cache compression πŸ€–πŸ€–πŸ€– #219

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Add MergingPress: scorer-agnostic merge-on-evict for KV cache compression πŸ€–πŸ€–πŸ€– #219

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a3f3655
Add MergingPress: merge-on-evict wrapper for ScorerPress
Apr 19, 2026
505e103
Add mask-based composition for AdaKV wrapping
Apr 19, 2026
e6663d4
Add hook-based composition for DMSPress wrapping
Apr 19, 2026
acadbe1
Add MergingPress evaluation registry entries
Apr 19, 2026
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6 changes: 6 additions & 0 deletions evaluation/evaluate_registry.py
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
KVzapPress,
KVzipPress,
LagKVPress,
MergingPress,
ObservedAttentionPress,
PyramidKVPress,
QFilterPress,
Expand Down Expand Up @@ -121,4 +122,9 @@
"decoding_adakv_expected_attention_e2": DecodingPress(base_press=AdaKVPress(ExpectedAttentionPress(epsilon=1e-2))),
"decoding_adakv_snapkv": DecodingPress(base_press=AdaKVPress(SnapKVPress())),
"decoding_keydiff": DecodingPress(base_press=KeyDiffPress()),
# MergingPress: merge-on-evict during prefill (values-only merge preserves RoPE keys)
"merging_knorm": MergingPress(KnormPress()),
"merging_snapkv": MergingPress(SnapKVPress()),
"merging_adakv_snapkv": MergingPress(AdaKVPress(SnapKVPress())),
"merging_dms_kvzap_mlp": MergingPress(DMSPress(press=KVzapPress(model_type="mlp"))),
}
2 changes: 2 additions & 0 deletions kvpress/__init__.py
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Expand Up @@ -29,6 +29,7 @@
from kvpress.presses.kvzip_press import KVzipPress
from kvpress.presses.lagkv_press import LagKVPress
from kvpress.presses.leverage_press import LeverageScorePress
from kvpress.presses.merging_press import MergingPress
from kvpress.presses.non_causal_attention_press import NonCausalAttnPress
from kvpress.presses.observed_attention_press import ObservedAttentionPress
from kvpress.presses.per_layer_compression_press import PerLayerCompressionPress
Expand Down Expand Up @@ -87,4 +88,5 @@
"DMSPress",
"FastKVzipPress",
"KVComposePress",
"MergingPress",
]
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