I see the same, only worse.
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 8060 robin 20 0 867m 318m 14m S 0 15.9 26:10.39 gwibber 8794 robin 20 0 874m 296m 19m S 14 14.8 222:17.24 firefox
I see the same, only worse.
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
8060 robin 20 0 867m 318m 14m S 0 15.9 26:10.39 gwibber
8794 robin 20 0 874m 296m 19m S 14 14.8 222:17.24 firefox