20 calls from
POP_REDUCTIONSMOD

&   7
POP_BLOCKSMOD  1
POP_COMMMOD  1
POP_DISTRIBUTIONMOD  1
POP_ERRORMOD  1
POP_GLOBALCOUNT2DR8  1
POP_GLOBALMAXLOC2DR8  1
POP_GLOBALMAXVAL2DR8  1
POP_GLOBALMINLOC2DR8  1
POP_GLOBALMINVAL2DR8  1
POP_GLOBALSUM2DR8  1
POP_GLOBALSUMPROD2DR8  1
POP_GRIDHORZMOD  1
POP_KINDSMOD  1