zephyr/samples/microkernel/benchmark/app_kernel/prj_console_float_pc8253.conf

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# Use standard security profile for maximum performance.
CONFIG_ENHANCED_SECURITY=n
# all printf, fprintf to stdout go to console
CONFIG_STDOUT_CONSOLE=y
CONFIG_FLOAT=y
CONFIG_SSE=y
CONFIG_FP_SHARING=y
CONFIG_AUTOMATIC_FP_ENABLING=y
CONFIG_SSE_FP_MATH=y
CONFIG_NUM_COMMAND_PACKETS=20
# minimize timer interrupts during the benchmark
# due the limitation of the i8253 divider register
# system timer tick period can't be set long
CONFIG_SYS_CLOCK_TICKS_PER_SEC=100