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b1a5b43735
There were two issues in this code, firstly the code could stack duplicates in the variable, secondly, calling "if data" caused the datastore to compute len(data) which is comparitively expensive. Checking "if data is not None" is much much faster/cheaper. The issue was clear from "bitbake -p -P" output where the time in register() showed large amounts of time in the __len__ function of the datastore. (Bitbake rev: 9298d08b7dcf9d79f54536f87686d65c4ad7deb9) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
QEMU Emulation Targets ====================== To simplify development, the build system supports building images to work with the QEMU emulator in system emulation mode. Several architectures are currently supported in 32 and 64 bit variants: * ARM (qemuarm + qemuarm64) * x86 (qemux86 + qemux86-64) * PowerPC (qemuppc only) * MIPS (qemumips + qemumips64) Use of the QEMU images is covered in the Yocto Project Reference Manual. The appropriate MACHINE variable value corresponding to the target is given in brackets.