From e086219624181a1b9ac9c44aa291808a54887171 Mon Sep 17 00:00:00 2001
From: qzhu2017 <alecfans@gmail.com>
Date: Sun, 3 Nov 2024 16:18:46 -0500
Subject: [PATCH] force  the tag to be in lower case

---
 pyxtal/optimize/base.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/pyxtal/optimize/base.py b/pyxtal/optimize/base.py
index 2ebfee8..59840d8 100644
--- a/pyxtal/optimize/base.py
+++ b/pyxtal/optimize/base.py
@@ -56,9 +56,11 @@ def handler(signum, frame):
     #logger.info(f"Rank-{args[-2]} after signal")
 
     try:
-        logger.info(f"Rank-{args[-2]} running optimizer_par for PID {os.getpid()}")
+        if args[-2] > 0:
+            logger.info(f"Rank-{args[-2]} running optimizer_par for PID {os.getpid()}")
         result = optimizer_par(*args[:-2])
-        logger.info(f"Rank-{args[-2]} finished optimizer_par for PID {os.getpid()}")
+        if args[-2] > 0:
+            logger.info(f"Rank-{args[-2]} finished optimizer_par for PID {os.getpid()}")
         signal.alarm(0)  # Disable the alarm
         return result
     except TimeoutError:
@@ -291,7 +293,7 @@ def __init__(
         self.early_quit = early_quit
         self.N_min_matches = 10  # The min_num_matches for early termination
         self.E_max = E_max
-        self.tag = tag
+        self.tag = tag.lower()
         self.suffix = f"{self.workdir:s}/{self.name:s}-{self.ff_style:s}"
         if self.rank == 0:
             if cif is None: