Played around with ffxicalc just now. Used azoth while /sam and azoth/joytoy while /nin(if that's not what I should be doing I'll gladly correct it and plug different numbers in).
With good haste gear, swift, turban, dusk feet/hands,
skadi legs, azoth main hits every 3seconds for 7.2 tp. Azoth/joy hits for 5.6 tp.
Assuming you just hit 95% acc with dagger and joyeuse is 41.4 acc behind(0 merits) while letting both weapons swing in 600 seconds you have:
/sam: 200 swings * .95 acc * 1.05 brutal * 7.2 tp = 1436.4tp
med: 600 seconds / 180 seconds = 3.33 * 60tp = ~200
/sam total: 1636.4 tp
/nin azoth: 115 swings * .95 acc * 1.05 brutal * 5.6 tp = 642.3
/nin joy: 115 swings * .743 acc * 1.45 DA * 1.0275 brutal * 5.6 tp = 712.8
/nin total: 1355.1 tp
If you have merits, suppa, and MKD body, though:
/nin azoth: 127 swings * .95 acc * 1.05 brutal * 5.4 tp = 684.0
/nin joy: 127 swings * .8375 acc * 1.0275 brutal * 1.45 DA * 5.4 tp = 855.7
/nin total: 1539.7 tp
More tp in favor of /nin if you have more acc and what cream said.
Floored delay into seconds, # of swings in 600 seconds, and final tp value, by the way. Should have floored every product but.. I'm not about to edit the numbers for a fourth time
Edit: Should also add that as acc falls /sam's tp over time increases due to meditate being static. Also, you lose tp by casting ni and ichi.