POP_GLOBALSUM2DR8
POP_GLOBALSUM2DR4
POP_GLOBALSUM2DI4
POP_GLOBALSUMNFIELDS2DR8
POP_GLOBALSUMPROD2DR8
POP_GLOBALSUMPROD2DR4
POP_GLOBALSUMPROD2DI4
POP_GLOBALCOUNT2DR8
POP_GLOBALCOUNT2DR4
POP_GLOBALCOUNT2DI4
POP_GLOBALCOUNT2DLOGICAL
POP_GLOBALMAXVAL2DR8
POP_GLOBALMAXVAL2DR4
POP_GLOBALMAXVAL2DI4
POP_GLOBALMINVAL2DR8
POP_GLOBALMINVAL2DR4
POP_GLOBALMINVAL2DI4
POP_GLOBALMAXLOC2DR8
POP_GLOBALMAXLOC2DR4
POP_GLOBALMAXLOC2DI4
POP_GLOBALMINLOC2DR8
POP_GLOBALMINLOC2DR4
POP_GLOBALMINLOC2DI4