Add portal links for GPU estimation onboarding

result_server/routes/home.py

@@ -1,3 +1,5 @@
+import os
+
 from flask import render_template
 
 from utils.system_info import get_all_systems_info
@@ -7,9 +9,18 @@
     "add_app": "https://github.com/RIKEN-RCCS/benchkit/blob/main/docs/guides/add-app.md",
     "add_site": "https://github.com/RIKEN-RCCS/benchkit/blob/main/docs/guides/add-site.md",
     "add_estimation": "https://github.com/RIKEN-RCCS/benchkit/blob/main/docs/guides/add-estimation.md",
+    "perftools": "https://github.com/masaaki-kondo/PerfTools",
+    "benchpark_fn_apps": "https://github.com/RIKEN-RCCS/benchpark/blob/FN_apps/User_Guide.md",
+    "benchpark_upstream": "https://github.com/llnl/benchpark",
 }
 
 
+def build_guide_links():
+    links = dict(GUIDE_LINKS)
+    links["discord"] = os.environ.get("CX_DISCORD_INVITE_URL", "")
+    return links
+
+
 def register_home_routes(app, prefix=""):
     def homepage():
         systems_info = get_all_systems_info()
@@ -30,7 +41,7 @@ def homepage():
             "home.html",
             systems=systems,
             system_count=len(systems),
-            guide_links=GUIDE_LINKS,
+            guide_links=build_guide_links(),
         )
 
     app.add_url_rule(f"{prefix}/", endpoint="home", view_func=homepage, strict_slashes=False)

result_server/templates/home.html

@@ -283,6 +283,12 @@ <h2 class="section-title">For Application Developers</h2>
                 <strong>Add Estimation Support</strong>
                 <span>Connect application-side result emission to estimation inputs and estimation workflows.</span>
             </a>
+            {% if guide_links.discord %}
+            <a class="home-link-card" href="{{ guide_links.discord }}" target="_blank" rel="noopener noreferrer">
+                <strong>Questions and Discussion</strong>
+                <span>Use the invitation-only Discord for lightweight questions, onboarding support, and early coordination before opening issues or pull requests.</span>
+            </a>
+            {% endif %}
         </div>
     </section>
 
@@ -306,6 +312,30 @@ <h2 class="section-title">Operations Views</h2>
     {% endif %}
 </section>
 
+<section class="page-card home-systems-section">
+    <h2 class="section-title">GPU Performance Estimation</h2>
+    <p class="section-intro">
+        CX Portal stores GPU kernel-level estimation artifacts together with benchmark results, including prepared inputs, prediction outputs, logs, and package comparison data.
+    </p>
+    <div class="home-link-list home-content-grid-three">
+        <a class="home-link-card" href="{{ guide_links.perftools }}" target="_blank" rel="noopener noreferrer">
+            <strong>PerfTools</strong>
+            <span>GPU performance estimation models used by the current experimental integration.</span>
+        </a>
+        <a class="home-link-card" href="{{ guide_links.benchpark_fn_apps }}" target="_blank" rel="noopener noreferrer">
+            <strong>Application Onboarding</strong>
+            <span>Use the RIKEN-RCCS BenchPark FN_apps branch for FugakuNEXT/CX application bring-up and local validation.</span>
+        </a>
+        <a class="home-link-card" href="{{ guide_links.benchpark_upstream }}" target="_blank" rel="noopener noreferrer">
+            <strong>Upstream BenchPark</strong>
+            <span>The RIKEN-RCCS fork is an integration window; upstream BenchPark remains the main upstream project.</span>
+        </a>
+    </div>
+    <p class="section-intro home-section-footer">
+        GPU kernel estimates are interpreted as source/target scaling factors. Application-level FOM reconstruction also needs application-side section timing for CPU, GPU, communication, and overlap regions.
+    </p>
+</section>
+
 <section class="home-systems-section page-card">
     <div class="home-systems-header">
         <div>

result_server/tests/test_home_template.py

@@ -9,7 +9,8 @@
 from routes.home import register_home_routes
 
 
-def test_home_page_renders_landing_content():
+def test_home_page_renders_landing_content(monkeypatch):
+    monkeypatch.delenv("CX_DISCORD_INVITE_URL", raising=False)
     app = build_portal_shell_app(
         templates_dir=os.path.join(os.path.dirname(__file__), "..", "templates"),
         include_home_route=False,
@@ -24,8 +25,34 @@ def test_home_page_renders_landing_content():
     assert "CX Portal" in html
     assert "Main Entry Points" in html
     assert "For Application Developers" in html
+    assert "GPU Performance Estimation" in html
     assert "Available Systems" in html
     assert "Add a New Site" in html
+    assert "PerfTools" in html
+    assert "RIKEN-RCCS BenchPark FN_apps branch" in html
+    assert "Upstream BenchPark" in html
+    assert "https://github.com/masaaki-kondo/PerfTools" in html
+    assert "https://github.com/RIKEN-RCCS/benchpark/blob/FN_apps/User_Guide.md" in html
+    assert "https://github.com/llnl/benchpark" in html
     assert "Browse Results" in html
     assert "Estimated Results (login required)" in html
     assert "Login required" in html
+    assert "Questions and Discussion" not in html
+
+
+def test_home_page_renders_discord_link_when_configured(monkeypatch):
+    monkeypatch.setenv("CX_DISCORD_INVITE_URL", "https://discord.gg/example")
+    app = build_portal_shell_app(
+        templates_dir=os.path.join(os.path.dirname(__file__), "..", "templates"),
+        include_home_route=False,
+    )
+    register_home_routes(app)
+
+    with app.test_client() as client:
+        response = client.get("/")
+
+    assert response.status_code == 200
+    html = response.get_data(as_text=True)
+    assert "Questions and Discussion" in html
+    assert "invitation-only Discord" in html
+    assert "https://discord.gg/example" in html

result_server/tests/test_result_detail_template.py

@@ -197,7 +197,7 @@ def test_build_info_hidden_when_no_build(self, app):
             html = _render_result_detail(result, FULL_QUALITY)
 
         assert "<h2>Build Information</h2>" not in html
-        assert "implicit default (s)" in html
+        assert "not specified" in html
 
     def test_no_vector_section_when_no_metrics(self, app):
         result = {"code": "test", "system": "sys", "Exp": "exp", "FOM": 1.0}

result_server/utils/result_detail_view.py

@@ -23,7 +23,7 @@ def _build_meta_rows(result):
         ("System", result.get("system", "N/A")),
         ("Exp", result.get("Exp", "N/A")),
         ("FOM", format_numeric_value(result.get("FOM", "N/A"))),
-        ("FOM Unit", result.get("FOM_unit") or "implicit default (s)"),
+        ("FOM Unit", result.get("FOM_unit") or "not specified"),
         ("Node Count", result.get("node_count", "N/A")),
     ])