US Patent 8448135 Race structure for a graphical program

System and method for executing a graphical program. A first structure in a graphical program is displayed on a display. The first structure includes two or more frames, each configured to contain a respective portion of the graphical program. The respective portions of the graphical program are included in the two or more frames. During execution of the graphical program, the first structure executes the respective portions of the graphical program in the two or more frames in parallel via respective execution processes. When a first portion of the respective portions completes execution prior to all others of the portions, execution of the other portions is terminated.