speed benchmark reset button

pbc3_benchmark.py

@@ -264,6 +264,20 @@ def _run(codecs, n_trials):
         _log("benchmark stopped")
 
 
+def reset_pbc():
+    if status()["running"]:
+        return {"error": "Stop the benchmark before resetting PBC3 rows."}
+    if not os.path.exists(DB_PATH):
+        return {"ok": True, "deleted": 0}
+    con = _connect()
+    try:
+        cur = con.execute("DELETE FROM results WHERE codec = ?", ("PBC3",))
+        con.commit()
+        return {"ok": True, "deleted": cur.rowcount}
+    finally:
+        con.close()
+
+
 def results(mp_min=None, mp_max=None):
     if not os.path.exists(DB_PATH):
         return {"exists": False, "rows": [], "points": []}

server.py

@@ -768,6 +768,14 @@ def benchmark_results(mp_min: float = None, mp_max: float = None):
     return pbc3_benchmark.results(mp_min, mp_max)
 
 
+@app.post("/api/benchmark/reset_pbc")
+def benchmark_reset_pbc():
+    result = pbc3_benchmark.reset_pbc()
+    if result.get("error"):
+        return JSONResponse(result, status_code=409)
+    return result
+
+
 @app.get("/api/benchmark/download_db")
 def benchmark_download_db():
     if not os.path.exists(pbc3_benchmark.DB_PATH):

static/benchmark.js

@@ -44,6 +44,7 @@ window.BenchmarkPage = (function () {
         <div class="sw-row">
           <label class="sw-btn">Upload benchmark data<input id="bm-upload" type="file" accept=".db" hidden></label>
           <button id="bm-download" class="sw-btn">Download benchmark data</button>
+          <button id="bm-reset-pbc" class="sw-btn danger">Reset PBC3</button>
         </div>
         <div id="bm-dbmsg" class="sw-muted" style="margin-top:8px"></div>
       </div>
@@ -124,6 +125,7 @@ window.BenchmarkPage = (function () {
 
     $("bm-upload").onchange = (e) => e.target.files[0] && uploadDb(e.target.files[0]);
     $("bm-download").onclick = () => window.open("/api/benchmark/download_db", "_blank");
+    $("bm-reset-pbc").onclick = resetPbcRows;
     $("bm-n").oninput = (e) => $("bm-n-val").textContent = e.target.value;
     $("bm-run").onclick = start;
     $("bm-stop").onclick = stop;
@@ -174,6 +176,14 @@ window.BenchmarkPage = (function () {
     refreshResults();
   }
 
+  async function resetPbcRows() {
+    if (!confirm("Reset all PBC3 rows from the benchmark database? Other codec rows will be kept.")) return;
+    const r = await fetch("/api/benchmark/reset_pbc", { method: "POST" });
+    const d = await r.json();
+    $("bm-dbmsg").textContent = d.error || `Deleted ${d.deleted || 0} PBC3 benchmark row(s).`;
+    refreshResults();
+  }
+
   function startPolling() { if (!S.poll) S.poll = setInterval(refreshStatus, 2000); }
   function stopPolling() { if (S.poll) { clearInterval(S.poll); S.poll = null; } }
 

static/index.html

@@ -253,7 +253,7 @@
 <script src="/app.js?v=20260625a"></script>
 <script src="/viewer_magnifier.js?v=20260622b"></script>
 <script src="/sweep.js?v=20260622b"></script>
-<script src="/benchmark.js?v=20260624e"></script>
+<script src="/benchmark.js?v=20260625f"></script>
 <script src="/quick_rd.js?v=20260625d"></script>
 <script src="/sweep_runner.js?v=20260624a"></script>
 <script src="/train.js?v=20260623a"></script>