Efficiency helped turn Silicon Valley around. China is taking it to the extreme to do the same.

• China's tech bosses are pushing their workers as competition intensifies, the FT reported.
• They are following a playbook from Silicon Valley, where bosses cranked up the pressure and laid people off.
• Don't expect the pressure to lessen as China's economy struggles.

Silicon Valley bosses responded to times of crisis by turning the screw on workers. Now, China's tech bosses seem ready to do the same.