🔴 llm_build_gemma3n_iswa +2,158%
🟠 cpu_get_features +1,164%
⚡ power +103%
⬡ Flame Graph · llm_build_gemma3n_iswaBEFORE 152nsAFTER 3,426ns
▼ BEFORE — linear O(n)
llm_build_gemma3n_iswa [152ns]
build_attn_layer [105ns]
build_ffn [44ns]
▼ REGRESSION — THIS PR
▼ AFTER — nested O(n²) +2,158% 🔴
llm_build_gemma3n_iswa [3,426ns] ⚠
build_attn_layer [nested]
ffn
loop_outer [1,850ns] ← NEW
loop_inner ← NEW
🛑 DO NOT MERGE — LOCI / performance-regression failing