Function cutensorHandleWritePlanCacheToFile 

pub unsafe extern "C" fn cutensorHandleWritePlanCacheToFile(
    handle: cutensorHandle_t,
    filename: *const c_char,
) -> cutensorStatus_t

Writes the Plan-Cache (that belongs to the provided handle) to file.

Remark

non-blocking, no reentrant, and thread-safe.

Parameters

• handle: Opaque handle holding cuTENSOR’s library context.
• filename: Specifies the filename (including the absolute path) to the file that should hold all the cache information. Warning: an existing file will be overwritten.

Return value

• cutensorStatus_t::CUTENSOR_STATUS_INVALID_VALUE: if the no cache has been attached.
• cutensorStatus_t::CUTENSOR_STATUS_IO_ERROR: if the file cannot be written to.
• cutensorStatus_t::CUTENSOR_STATUS_NOT_INITIALIZED: if the handle is not initialized.
• cutensorStatus_t::CUTENSOR_STATUS_SUCCESS: The operation completed successfully.