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supports dynamic Cfp8 (#3767)
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Browse Source 
* supports dynamic Cfp8

* add unittest
This commit is contained in:
lzy
2025-09-08 11:41:29 +08:00
committed by GitHub
parent b5e20e3015
commit af49b81ffd
20 changed files with 1417 additions and 225 deletions
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27
fastdeploy/model_executor/layers/attention/append_attn_backend.py
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@@ -231,6 +231,17 @@ class AppendAttentionBackend(AttentionBackend):
metadata.kv_signal_metadata,
layer.layer_id + self.start_layer_index,
)
cache_quant_type_str = getattr(layer, "cache_quant_type_str", "none")
if cache_quant_type_str == "block_wise_fp8":
cache_k = forward_meta.caches[4 * layer.layer_id]
cache_v = forward_meta.caches[4 * layer.layer_id + 1]
cache_k_scales = forward_meta.caches[4 * layer.layer_id + 2]
cache_v_scales = forward_meta.caches[4 * layer.layer_id + 3]
else:
cache_k = forward_meta.caches[2 * layer.layer_id]
cache_v = forward_meta.caches[2 * layer.layer_id + 1]
cache_k_scales = getattr(layer, "cache_k_scale", None)
cache_v_scales = getattr(layer, "cache_v_scale", None)
if self.use_output:
quant_max_bound = getattr(layer, "quant_max_bound", 0.0)
@@ -269,8 +280,8 @@ class AppendAttentionBackend(AttentionBackend):
append_attention_with_output(
qkv,
forward_meta.caches[2 * layer.layer_id],
forward_meta.caches[2 * layer.layer_id + 1],
cache_k,
cache_v,
forward_meta.seq_lens_encoder,
forward_meta.seq_lens_decoder,
forward_meta.seq_lens_this_time,
@@ -293,8 +304,8 @@ class AppendAttentionBackend(AttentionBackend):
metadata.attn_mask,
layer.qkv_bias,
layer.qkv_scale,
getattr(layer, "cache_k_scale", None),
getattr(layer, "cache_v_scale", None),
cache_k_scales,
cache_v_scales,
getattr(layer, "cache_k_out_scale", None),
getattr(layer, "cache_v_out_scale", None),
getattr(layer, "cache_k_zp", None),
@@ -325,8 +336,8 @@ class AppendAttentionBackend(AttentionBackend):
else:
res = append_attention(
qkv,
forward_meta.caches[2 * layer.layer_id],
forward_meta.caches[2 * layer.layer_id + 1],
cache_k,
cache_v,
forward_meta.seq_lens_encoder,
forward_meta.seq_lens_decoder,
forward_meta.seq_lens_this_time,
@@ -348,8 +359,8 @@ class AppendAttentionBackend(AttentionBackend):
metadata.attn_mask,
layer.qkv_bias,
layer.qkv_scale,
getattr(layer, "cache_k_scale", None),
getattr(layer, "cache_v_scale", None),
cache_k_scales,
cache_v_scales,
getattr(layer, "cache_k_out_scale", None),
getattr(layer, "cache_v_out_scale", None),
getattr(layer, "cache_k_zp", None),