From 96b9fbe54ec978d3977837edd6d6eae2170f7cb0 Mon Sep 17 00:00:00 2001
From: Michael Kuron <m.kuron@gmx.de>
Date: Tue, 27 Apr 2021 15:30:57 +0200
Subject: [PATCH] clear cache when compiler flags have changed
---
pystencils/cpu/cpujit.py | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/pystencils/cpu/cpujit.py b/pystencils/cpu/cpujit.py
index cef1ee4d8..4da43010a 100644
--- a/pystencils/cpu/cpujit.py
+++ b/pystencils/cpu/cpujit.py
@@ -205,10 +205,23 @@ def read_config():
if config['cache']['object_cache'] is not False:
config['cache']['object_cache'] = os.path.expanduser(config['cache']['object_cache']).format(pid=os.getpid())
- if config['cache']['clear_cache_on_start']:
+ clear_cache = False
+ cache_status_file = os.path.join(config['cache']['object_cache'], 'last_config.json')
+ if os.path.exists(cache_status_file):
+ # check if compiler config has changed
+ last_config = json.load(open(cache_status_file, 'r'))
+ if set(last_config.items()) != set(config['compiler'].items()):
+ clear_cache = True
+ else:
+ for key in last_config.keys():
+ if last_config[key] != config['compiler'][key]:
+ clear_cache = True
+
+ if config['cache']['clear_cache_on_start'] or clear_cache:
shutil.rmtree(config['cache']['object_cache'], ignore_errors=True)
create_folder(config['cache']['object_cache'], False)
+ json.dump(config['compiler'], open(cache_status_file, 'w'), indent=4)
if config['compiler']['os'] == 'windows':
from pystencils.cpu.msvc_detection import get_environment
--
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