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Fix Node 1 NVLink ring arrowhead tangents in hierarchical-allreduce.svg

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Offset the 2nd bezier control point x from the endpoint x on all four
Node 1 ring arcs so orient="auto" computes a diagonal arrival angle
instead of a straight vertical arrowhead.
This commit is contained in:
Vijay Janapa Reddi
2026-03-01 16:02:21 -05:00
parent b0d826df64
commit 6a763c2552
1 changed files with 5 additions and 4 deletions
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9
book/quarto/contents/vol2/collective_communication/images/svg/hierarchical-allreduce.svg
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@@ -62,10 +62,11 @@
<text x="626" y="114" text-anchor="middle" font-size="10" font-weight="700" fill="#333">G7</text>
<!-- NVLink ring within Node 1 (Step 1) -->
<path d="M 410,130 C 410,162 486,162 486,130" fill="none" stroke="#4a90c4" stroke-width="1.8" marker-end="url(#arrow-blue)"/>
<path d="M 486,130 C 486,162 562,162 562,130" fill="none" stroke="#4a90c4" stroke-width="1.8" marker-end="url(#arrow-blue)"/>
<path d="M 562,130 C 562,155 625,155 625,130" fill="none" stroke="#4a90c4" stroke-width="1.8" marker-end="url(#arrow-blue)"/>
<path d="M 625,88 C 625,66 410,66 410,88" fill="none" stroke="#4a90c4" stroke-width="1.8" marker-end="url(#arrow-blue)"/>
<!-- Control points offset so arrowhead arrives at a diagonal, not straight vertical -->
<path d="M 410,130 C 420,158 476,158 486,130" fill="none" stroke="#4a90c4" stroke-width="1.8" marker-end="url(#arrow-blue)"/>
<path d="M 486,130 C 496,158 552,158 562,130" fill="none" stroke="#4a90c4" stroke-width="1.8" marker-end="url(#arrow-blue)"/>
<path d="M 562,130 C 570,152 616,152 625,130" fill="none" stroke="#4a90c4" stroke-width="1.8" marker-end="url(#arrow-blue)"/>
<path d="M 625,88 C 615,66 420,66 410,88" fill="none" stroke="#4a90c4" stroke-width="1.8" marker-end="url(#arrow-blue)"/>
<!-- Step 1 label Node 1 -->
<rect x="395" y="170" width="230" height="20" rx="3" fill="#cfe2f3" stroke="#4a90c4" stroke-width="0.8"/>
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