Chapel Environment Variables¶

The values of Chapel's environment variables upon compile time are accessible through the built-in parameters shown below. This information can also be displayed from the command line by executing the compiled program with the --about flag.

param CHPL_HOME: string¶

See CHPL_HOME for more information.

param CHPL_AUX_FILESYS: string¶

See CHPL_AUX_FILESYS for more information.

param CHPL_TARGET_PLATFORM: string¶

See CHPL_TARGET_PLATFORM for more information.

param CHPL_HOST_PLATFORM: string¶

See CHPL_HOST_PLATFORM for more information.

param CHPL_HOST_ARCH: string¶

See CHPL_HOST_ARCH for more information.

param CHPL_HOST_COMPILER: string¶

See CHPL_*_COMPILER for more information.

param CHPL_TARGET_COMPILER: string¶

See CHPL_*_COMPILER for more information.

param CHPL_TARGET_ARCH: string¶

See CHPL_TARGET_ARCH for more information.

param CHPL_TARGET_CPU: string¶

See CHPL_TARGET_CPU for more information.

param CHPL_LOCALE_MODEL: string¶

See CHPL_LOCALE_MODEL for more information.

param CHPL_COMM: string¶

See CHPL_COMM for more information.

param CHPL_COMM_SUBSTRATE: string¶

See Chapel Launchers for more information.

param CHPL_GASNET_SEGMENT: string¶

See Multilocale Chapel Execution for more information.

param CHPL_TASKS: string¶

See CHPL_TASKS for more information.

param CHPL_LAUNCHER: string¶

See CHPL_LAUNCHER for more information.

param CHPL_TIMERS: string¶

See CHPL_TIMERS for more information.

param CHPL_UNWIND: string¶

See CHPL_UNWIND for more information.

param CHPL_MEM: string¶

See CHPL_MEM for more information.

param CHPL_MAKE: string¶

See CHPL_MAKE for more information.

param CHPL_ATOMICS: string¶

See CHPL_ATOMICS for more information.

param CHPL_NETWORK_ATOMICS: string¶

See Runtime Support for Atomics for more information.

param CHPL_GMP: string¶

See CHPL_GMP for more information.

param CHPL_HWLOC: string¶

See CHPL_HWLOC for more information.

param CHPL_REGEXP: string¶

See CHPL_REGEXP for more information.

param CHPL_LLVM: string¶

See CHPL_LLVM for more information.