From 5cfcc65696013921fd1885392fc71ee16a72f47d Mon Sep 17 00:00:00 2001
From: Dargon789 <64915515+Dargon789@users.noreply.github.com>
Date: Thu, 7 May 2026 10:03:31 +0700
Subject: [PATCH 1/3] Update .github/scripts/compare-nightly.sh

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Signed-off-by: Dargon789 <64915515+Dargon789@users.noreply.github.com>
---
 .github/scripts/compare-nightly.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/.github/scripts/compare-nightly.sh b/.github/scripts/compare-nightly.sh
index 674cc0fe01754..d75826c4cb632 100755
--- a/.github/scripts/compare-nightly.sh
+++ b/.github/scripts/compare-nightly.sh
@@ -39,7 +39,10 @@ for key in all_keys:
     if p is None:
         print(f"| `{key}` | N/A | {t:.5f}s | — | 🆕 New |")
         continue
-    delta = (t - p) / p * 100
+    if p == 0:
+        delta = float('inf') if t > 0 else 0.0
+    else:
+        delta = (t - p) / p * 100
     if delta >= fail:
         status = "🔴 Regression"
         has_regression = True

From 38355a60d01029726532631d59e73484e66abff0 Mon Sep 17 00:00:00 2001
From: Dargon789 <64915515+Dargon789@users.noreply.github.com>
Date: Thu, 7 May 2026 10:03:50 +0700
Subject: [PATCH 2/3] Update .github/scripts/compare-nightly.sh

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Signed-off-by: Dargon789 <64915515+Dargon789@users.noreply.github.com>
---
 .github/scripts/compare-nightly.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/.github/scripts/compare-nightly.sh b/.github/scripts/compare-nightly.sh
index d75826c4cb632..c2cec964cf52d 100755
--- a/.github/scripts/compare-nightly.sh
+++ b/.github/scripts/compare-nightly.sh
@@ -19,7 +19,10 @@ warn = float(os.environ["WARN"])
 fail = float(os.environ["FAIL"])
 
 prev_path = os.environ.get("PREV_JSON", "")
-prev = json.load(open(prev_path)) if prev_path and os.path.isfile(prev_path) else {}
+prev = {}
+if prev_path and os.path.isfile(prev_path):
+    with open(prev_path) as f:
+        prev = json.load(f)
 with open(os.environ["TODAY_JSON"]) as f:
     today = json.load(f)
 

From 6d9ef411d2048c8885df9c8796196c728da8491d Mon Sep 17 00:00:00 2001
From: Dargon789 <64915515+Dargon789@users.noreply.github.com>
Date: Thu, 7 May 2026 10:17:36 +0700
Subject: [PATCH 3/3] Update .github/scripts/compare-nightly.sh

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Signed-off-by: Dargon789 <64915515+Dargon789@users.noreply.github.com>
---
 .github/scripts/compare-nightly.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/scripts/compare-nightly.sh b/.github/scripts/compare-nightly.sh
index 674cc0fe01754..86d4de8fcd8c8 100755
--- a/.github/scripts/compare-nightly.sh
+++ b/.github/scripts/compare-nightly.sh
@@ -39,6 +39,13 @@ for key in all_keys:
     if p is None:
         print(f"| `{key}` | N/A | {t:.5f}s | — | 🆕 New |")
         continue
+    if p == 0:
+        if t > 0:
+            print(f"| `{key}` | 0.0s | {t:.5f}s | +∞% | 🔴 Regression |")
+            has_regression = True
+        else:
+            print(f"| `{key}` | 0.0s | {t:.5f}s | — | ➡️ OK |")
+        continue
     delta = (t - p) / p * 100
     if delta >= fail:
         status = "🔴 Regression"