Cache hardware thread count for <execution> - #1143

Cache hardware thread count for <execution>#1143

Stephan T. Lavavej (StephanTLavavej) merged 6 commits into

microsoft:mastermicrosoft/STL:masterfrom

AlexGuteniev:cache_execution_hw_concurrencyAlexGuteniev/STL:cache_execution_hw_concurrencyCopy head branch name to clipboard