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Found loops calling all_compilers that were always reading in the config file which lead to a slowdown, the fix is to cache the config file so we don't waste time re-reading the config file in again.

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This commit is contained in:
Mario Melara 2016-04-06 12:05:29 -07:00
parent 3bf75fab3f
commit 749508af01
1 changed files with 11 additions and 6 deletions
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17
lib/spack/spack/compilers/__init__.py
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@ -151,20 +151,25 @@ def remove_compiler_from_config(compiler_spec, arch=None, scope=None):
spack.config.update_config('compilers', update, scope) spack.config.update_config('compilers', update, scope)
_cache_config_file = {}
def all_compilers_config(arch=None, scope=None): def all_compilers_config(arch=None, scope=None):
"""Return a set of specs for all the compiler versions currently """Return a set of specs for all the compiler versions currently
available to build with. These are instances of CompilerSpec. available to build with. These are instances of CompilerSpec.
""" """
# Get compilers for this architecture. # Get compilers for this architecture.
arch_config = get_compiler_config(arch, scope) global _cache_config_file #Create a cache of the config file so we don't load all the time.
# Merge 'all' compilers with arch-specific ones.
# Arch-specific compilers have higher precedence.
merged_config = get_compiler_config('all', scope=scope)
merged_config = spack.config._merge_yaml(merged_config, arch_config)
return merged_config if not _cache_config_file:
arch_config = get_compiler_config(arch, scope)
# Merge 'all' compilers with arch-specific ones.
# Arch-specific compilers have higher precedence.
_cache_config_file = get_compiler_config('all', scope=scope)
_cache_config_file = spack.config._merge_yaml(_cache_config_file, arch_config)
return _cache_config_file
else:
return _cache_config_file
def all_compilers(arch=None, scope=None): def all_compilers(arch=None, scope=None):
# Return compiler specs from the merged config. # Return compiler specs from the merged config.