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<text class="title" x="24" y="34">bart</text>
<text class="subtitle" x="24" y="54">dense · 12× MHA</text>
<line class="edge" x1="485" y1="108" x2="485" y2="823"/>
<g class=""><rect class="c-block" x="286" y="184" width="398" height="505" rx="14"/><text class="box-sub" x="298" y="202">BartModel · base model</text></g>
<g class=""><title>12 × BartEncoderLayer</title><rect class="c-block" x="294" y="257" width="382" height="392" rx="14"/><text class="box-sub" x="306" y="275">BartEncoderLayer</text><text class="badge" x="664" y="277" text-anchor="end">× 12</text></g>
<g class=""><rect class="c-block" x="286" y="689" width="398" height="142" rx="14"/><text class="box-sub" x="298" y="707">BartForConditionalGeneration · task head</text></g>
<g class=""><rect class="b c-attn " x="320" y="321" width="330" height="280" rx="11"/><rect class="sec-hbar" x="325" y="325" width="320" height="18" rx="5"/><text class="sec-h" x="332" y="338">Self-Attention · BartAttention</text></g>
<polyline class="residual" points="320,279 286,279 286,628 320,628" stroke-dasharray="6 4" marker-end="url(#ah-residual)"/>
<g class=""><rect class="b c-io" x="320" y="108" width="330" height="32" rx="16"/><text class="box-label sm" x="485.0" y="122.0" text-anchor="middle">input_ids</text><text class="box-sub" x="485.0" y="137.0" text-anchor="middle">tokenize("Hey, how are you?") → [1, 6]</text></g>
<g class=""><title>token 0: 'Hey'</title><rect class="b c-sub" x="320" y="154" width="50" height="26" rx="9"/><text class="box-label sm" x="345.0" y="165.0" text-anchor="middle">Hey</text><text class="box-sub" x="345.0" y="180.0" text-anchor="middle">0</text></g>
<g class=""><title>token 1: ','</title><rect class="b c-sub" x="375" y="154" width="50" height="26" rx="9"/><text class="box-label sm" x="400.0" y="165.0" text-anchor="middle">,</text><text class="box-sub" x="400.0" y="180.0" text-anchor="middle">1</text></g>
<g class=""><title>token 2: '␣how'</title><rect class="b c-sub" x="431" y="154" width="50" height="26" rx="9"/><text class="box-label sm" x="456.0" y="165.0" text-anchor="middle">␣how</text><text class="box-sub" x="456.0" y="180.0" text-anchor="middle">2</text></g>
<g class=""><title>token 3: '␣are'</title><rect class="b c-sub" x="487" y="154" width="50" height="26" rx="9"/><text class="box-label sm" x="512.0" y="165.0" text-anchor="middle">␣are</text><text class="box-sub" x="512.0" y="180.0" text-anchor="middle">3</text></g>
<g class=""><title>token 4: '␣you'</title><rect class="b c-sub" x="543" y="154" width="50" height="26" rx="9"/><text class="box-label sm" x="568.0" y="165.0" text-anchor="middle">␣you</text><text class="box-sub" x="568.0" y="180.0" text-anchor="middle">4</text></g>
<g class=""><title>token 5: '?'</title><rect class="b c-sub" x="599" y="154" width="50" height="26" rx="9"/><text class="box-label sm" x="624.0" y="165.0" text-anchor="middle">?</text><text class="box-sub" x="624.0" y="180.0" text-anchor="middle">5</text></g>
<g class=""><rect class="b c-embed" x="320" y="198" width="330" height="45" rx="9"/><text class="box-label sm" x="485.0" y="218.5" text-anchor="middle">Token Embedding</text><text class="box-sub" x="485.0" y="233.5" text-anchor="middle">weight [50265 × 1024] → [1, 6, 1024]</text></g>
<g class=""><rect class="b c-norm" x="320" y="279" width="330" height="28" rx="9"/><text class="box-label sm" x="485.0" y="291.0" text-anchor="middle">LayerNorm</text><text class="box-sub" x="485.0" y="306.0" text-anchor="middle">pre-attention [1, 6, 1024]</text></g>
<g class=""><title>k_proj: Linear [1024→1024]</title><rect class="b c-proj" x="330" y="347" width="151" height="22" rx="9"/><text class="box-label sm" x="405.5" y="362.5" text-anchor="middle">k_proj [1024→1024]</text></g>
<g class=""><title>v_proj: Linear [1024→1024]</title><rect class="b c-proj" x="489" y="347" width="151" height="22" rx="9"/><text class="box-label sm" x="564.5" y="362.5" text-anchor="middle">v_proj [1024→1024]</text></g>
<g class=""><title>q_proj: Linear [1024→1024]</title><rect class="b c-proj" x="330" y="377" width="151" height="22" rx="9"/><text class="box-label sm" x="405.5" y="392.5" text-anchor="middle">q_proj [1024→1024]</text></g>
<g class=""><title>out_proj: Linear [1024→1024]</title><rect class="b c-proj" x="489" y="377" width="151" height="22" rx="9"/><text class="box-label sm" x="564.5" y="392.5" text-anchor="middle">out_proj [1024→1024]</text></g>
<g class=""><rect class="b c-sub" x="330" y="407" width="310" height="30" rx="9"/><text class="box-label sm" x="485.0" y="420.0" text-anchor="middle">scaled dot-product attention</text><text class="box-sub" x="485.0" y="435.0" text-anchor="middle">16 heads · head_dim 64</text></g>
<g class=""><title>causal attention mask (q↓ × k→)</title><text class="box-sub" x="415" y="449">causal mask</text><rect class="mask-bg" x="415" y="455" width="140.0" height="140.0"/><rect class="mask-on" x="415.0" y="455.0" width="10.0" height="10.0"/><rect class="mask-on" x="415.0" y="465.0" width="10.0" height="10.0"/><rect class="mask-on" x="425.0" y="465.0" width="10.0" height="10.0"/><rect class="mask-on" x="415.0" y="475.0" width="10.0" height="10.0"/><rect class="mask-on" x="425.0" y="475.0" width="10.0" height="10.0"/><rect class="mask-on" x="435.0" y="475.0" width="10.0" height="10.0"/><rect class="mask-on" x="415.0" y="485.0" width="10.0" height="10.0"/><rect class="mask-on" x="425.0" y="485.0" width="10.0" height="10.0"/><rect class="mask-on" x="435.0" y="485.0" width="10.0" height="10.0"/><rect class="mask-on" x="445.0" y="485.0" width="10.0" height="10.0"/><rect class="mask-on" x="415.0" y="495.0" width="10.0" height="10.0"/><rect class="mask-on" x="425.0" y="495.0" 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<text class="facts-k" x="926" y="112">model id</text>
<text class="facts-v" x="1162" y="112" text-anchor="end">facebook/bart-large</text>
<text class="facts-k" x="926" y="134">model_type</text>
<text class="facts-v" x="1162" y="134" text-anchor="end">bart</text>
<text class="facts-k" x="926" y="156">config</text>
<text class="facts-v" x="1162" y="156" text-anchor="end">BartConfig</text>
<text class="facts-k" x="926" y="178">decoder</text>
<text class="facts-v" x="1162" y="178" text-anchor="end">dense</text>
<text class="facts-k" x="926" y="200">layers</text>
<text class="facts-v" x="1162" y="200" text-anchor="end">12</text>
<text class="facts-k" x="926" y="222">hidden</text>
<text class="facts-v" x="1162" y="222" text-anchor="end">1,024</text>
<text class="facts-k" x="926" y="244">intermediate</text>
<text class="facts-v" x="1162" y="244" text-anchor="end">—</text>
<text class="facts-k" x="926" y="266">heads / kv</text>
<text class="facts-v" x="1162" y="266" text-anchor="end">16 / 16</text>
<text class="facts-k" x="926" y="288">attention</text>
<text class="facts-v" x="1162" y="288" text-anchor="end">MHA</text>
<text class="facts-k" x="926" y="310">norm</text>
<text class="facts-v" x="1162" y="310" text-anchor="end">LayerNorm</text>
<text class="facts-k" x="926" y="332">positional</text>
<text class="facts-v" x="1162" y="332" text-anchor="end">n/a</text>
<text class="facts-k" x="926" y="354">vocab</text>
<text class="facts-v" x="1162" y="354" text-anchor="end">50,265</text>
<text class="facts-k" x="926" y="376">max_pos</text>
<text class="facts-v" x="1162" y="376" text-anchor="end">1,024</text>
<text class="facts-k" x="926" y="398">tie_embeddings</text>
<text class="facts-v" x="1162" y="398" text-anchor="end">True</text>
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<text class="legend-t" x="940" y="475">linear / proj</text>
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<text class="legend-t" x="940" y="493">MLP / feed-forward</text>
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<text class="legend-t" x="940" y="511">RoPE</text>
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<text class="legend-t" x="940" y="529">normalization</text>
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