Test runtimes

Windows:
Running test Tests/EndToEndTests/Simple2d/MultiGpu (debug cpu) - [OK] 46.04 sec
Running test Tests/EndToEndTests/Simple2d/MultiGpu (debug gpu) - [OK] 14.43 sec
Running test Tests/EndToEndTests/Simple2d/MultiGpu (release cpu) - [OK] 4.64 sec
Running test Tests/EndToEndTests/Simple2d/MultiGpu (release gpu) - [OK] 4.20 sec

Linux:
Running test Tests/EndToEndTests/Simple2d/MultiGpu (debug cpu) - [OK] 14.31 sec
Running test Tests/EndToEndTests/Simple2d/MultiGpu (debug gpu) - [OK] 5.34 sec
Running test Tests/EndToEndTests/Simple2d/MultiGpu (release cpu) - [OK] 8.98 sec
Running test Tests/EndToEndTests/Simple2d/MultiGpu (release gpu) - [OK] 2.49 sec