Start timers after IO done to increase accuracy of timers.

llvm/test/VISC/parboil/.ycm_extra_conf.py

...test/VISC/parboil/benchmarks/lbm/src/opencl_nvidia/main.c

llvm/test/VISC/parboil/benchmarks/lbm/src/visc/main.c

llvm/test/VISC/parboil/benchmarks/nodeSwap/Makefile

.../parboil/benchmarks/nodeSwap/src/opencl/kernel_offline.cl

.../test/VISC/parboil/benchmarks/nodeSwap/src/opencl/main.cc

...est/VISC/parboil/benchmarks/sgemm/src/opencl_base/main.cc

llvm/test/VISC/parboil/benchmarks/sgemm/src/visc/main.cc

...est/VISC/parboil/benchmarks/spmv/src/opencl_nvidia/main.c

llvm/test/VISC/parboil/benchmarks/spmv/src/visc/main.c

...st/VISC/parboil/benchmarks/stencil/src/opencl_base/main.c

llvm/test/VISC/parboil/benchmarks/stencil/src/visc/stencil.c

llvm/test/VISC/parboil/common/include/visc.h

llvm/test/VISC/parboil/common/mk/opencl.mk

llvm/test/VISC/parboil/common/mk/visc.mk

llvm/test/VISC/parboil/common/platform/visc.default.mk