p all 2 all test, only fat pipe switch is used concurrently
-$ simdag/network/mxn/test_intra_all2all simdag/network/mxn/platform_4p_1switch.xml --log=sd_kernel.thres=warning
+$ simdag/network/mxn/test_intra_all2all ${srcdir:=.}/simdag/network/mxn/platform_4p_1switch.xml --surf-path=${srcdir} --log=sd_kernel.thres=warning
> 8