check_cpu_feature_support makes repeated/unnecessary calls to std::getenv("XSS_DISABLE_AVX512")
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- Dominant language
- C++
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Description
The result of std::getenv("XSS_DISABLE_AVX512") should be cached in lib/x86simdsort.cpp::check_cpu_feature_support .
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Research direction
Start in lib/x86simdsort.cpp at check_cpu_feature_support and inspect how often the XSS_DISABLE_AVX512 environment lookup occurs. Done means the function reuses the environment value rather than making repeated getenv calls, with the existing project tests still passing.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- performance
- Issue type
- Refactor
- Difficulty
- 1/5
- Estimated time
- Under an hour
- Activity status
- Active
- Clarity
- Clearly specified
- Newbie friendliness
- 84/100