}Standard C++ Parallelism - All depends on ranges library, iteration concepts - Extensible: execution policies allow parallel execution using namespace std; using namespace std::ranges; using namespace std::execution; std::plus()); } - All depends on ranges library, iteration concepts - Extensible: execution policies allow parallel execution - Standard allows implementation-defined execution policiesStandard library, iteration concepts - Extensible: execution policies allow parallel execution - Standard allows implementation-defined execution policies Question: where’s the data?C++ 20 added the ranges

element” • Elements could live in memory, or somewhere else • e.g., in accelerator memory, across the network, on disk • Defines type of data handle (“pointer” or something else) • Maps (data handle, offset) operations (e.g., for vectorization) • 4 Standard policies, & vendors can add more • “On-ramp” to vendor-specific performance • NVIDIA’s implementation has policies to run on a given CUDA stream, &/or run

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 9.4 Build policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 there in other projects. This allows to clean your current project and keep working even without network connection. Search packages in the local cache using: $ conan search Inspect binary package details the conan package with the binaries to the conan remote with conan upload. • The same building policies apply. Having a recipe will fail if no conan packages are created, and the --build argument is not

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 9.5 Build policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 for other projects. This allows to clean your current project and continue working even without network connection. To search for packages in the local cache run: $ conan search To inspect binary package the Conan package with the binaries to the Conan remote with conan upload. • The same building policies apply. Having a recipe fails if no Conan packages are created, and the --build argument is not defined

options and requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 10.3 Build policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 BSL-1.0 author: None description: Modern, powerful open source C++ class libraries for building␣ ˓→network- and internet-based applications that run on desktop, server,␣ ˓→mobile and embedded systems. topics: for other projects. This allows to clean your current project and continue working even without network connection. To search for packages in the local cache run: $ conan search "*" Existing package recipes:

options and requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 10.3 Build policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 BSL-1.0 author: None description: Modern, powerful open source C++ class libraries for building␣ ˓→network- and internet-based applications that run on desktop, server,␣ ˓→mobile and embedded systems. topics: for other projects. This allows to clean your current project and continue working even without network connection. To search for packages in the local cache run: $ conan search "*" Existing package recipes:

options and requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 10.3 Build policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 BSL-1.0 author: None description: Modern, powerful open source C++ class libraries for building␣ ˓→network- and internet-based applications that run on desktop, server,␣ ˓→mobile and embedded systems. topics: for other projects. This allows to clean your current project and continue working even without network connection. To search for packages in the local cache run: $ conan search "*" Existing package recipes:

options and requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 11.3 Build policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 BSL-1.0 author: None description: Modern, powerful open source C++ class libraries for building␣ ˓→network- and internet-based applications that run on desktop, server,␣ ˓→mobile and embedded systems. topics: for other projects. This allows to clean your current project and continue working even without network connection. To search for packages in the local cache run: $ conan search "*" Existing package recipes:

options and requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 11.3 Build policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 BSL-1.0 author: None description: Modern, powerful open source C++ class libraries for building␣ ˓→network- and internet-based applications that run on desktop, server,␣ ˓→mobile and embedded systems. topics: for other projects. This allows to clean your current project and continue working even without network connection. To search for packages in the local cache run: $ conan search "*" Existing package recipes:

options and requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 11.3 Build policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 BSL-1.0 author: None description: Modern, powerful open source C++ class libraries for building␣ ˓→network- and internet-based applications that run on desktop, server,␣ ˓→mobile and embedded systems. topics: for other projects. This allows to clean your current project and continue working even without network connection. To search for packages in the local cache run: $ conan search "*" Existing package recipes: