I followed the setup instructions for single machine, and when I try the streaming mode example, if I input the same string multiple times, I get a different topic categorization every time:

java Tokenizer | ../learntopics -teststream -dumpprefix=../ut_out/lda --topics=100 --dictionary=../ut_out/lda.dict.dump
W0720 12:28:20.250313 2803 Controller.cpp:115] ----------------------------------------------------------------------
W0720 12:28:20.250712 2803 Controller.cpp:117] Log files are being stored at /lda/ut_out/learnTopics.*
W0720 12:28:20.250731 2803 Controller.cpp:119] ----------------------------------------------------------------------
W0720 12:28:20.251055 2803 Controller.cpp:140] You have chosen single machine testing mode
W0720 12:28:20.251379 2803 Unigram_Model_Streaming_Builder.cpp:56] Initializing global dictionary from ../ut_out/lda.dict.dump
W0720 12:28:20.308131 2803 Unigram_Model_Streaming_Builder.cpp:59] Dictionary initialized and has 17208
W0720 12:28:20.308279 2803 Unigram_Model_Streaming_Builder.cpp:86] Estimating the words that will fit in 2048 MB
W0720 12:28:20.408761 2803 Unigram_Model_Streaming_Builder.cpp:91] 17208 will fit in 1.06012 MB of memory
W0720 12:28:20.408906 2803 Unigram_Model_Streaming_Builder.cpp:93] Initializing Local Dictionary from ../ut_out/lda.dict.dump with 17208 words.
W0720 12:28:20.491570 2803 Unigram_Model_Streaming_Builder.cpp:122] Local Dictionary Initialized. Size: 34416
W0720 12:28:20.494669 2803 Unigram_Model_Streamer.cpp:64] Initializing Word-Topic counts table from dump ../ut_out/lda.ttc.dump using 17208 words & 100 topics.
W0720 12:28:20.549022 2803 Unigram_Model_Streamer.cpp:88] Initialized Word-Topic counts table
W0720 12:28:20.549149 2803 Unigram_Model_Streamer.cpp:91] Initializing Alpha vector from dumpfile ../ut_out/lda.par.dump
W0720 12:28:20.549247 2803 Unigram_Model_Streamer.cpp:94] Alpha vector initialized
W0720 12:28:20.549309 2803 Unigram_Model_Streamer.cpp:97] Initializing Beta Parameter from specified Beta = 0.01
W0720 12:28:20.549383 2803 Unigram_Model_Streamer.cpp:101] Beta param initialized
W0720 12:28:20.557430 2803 Testing_Execution_Strategy.cpp:64] Starting Parallel testing Pipeline
www.sauritchsurfboards.com/ recreation/sports/aquatic_sports watch out jeremy sherwin is here over the past six months you may have noticed this guy in every surf magazine published jeremy is finally getting his run more.. copyright surfboards 2004 all rights reserved june 6 2004 new launches it s new and improved site you can now order custom surfboards online more improvements to come.. top selling models middot rocket fish middot speed egg middot classic middot squash
www.sauritchsurfboards.com/ recreation/sports/aquatic_sports (watch,83) (past,86) (months,77) (noticed,15) (guy,93) (surf,35) (magazine,86) (published,92) (finally,49) (run,21) (copyright,62) (surfboards,27) (rights,90) (reserved,59) (june,63) (launches,26) (improved,40) (site,26) (order,72) (custom,36) (surfboards,11) (online,68) (improvements,67) (top,29) (selling,82) (models,30) (middot,62) (rocket,23) (fish,67) (middot,35) (speed,29) (egg,2) (middot,22) (classic,58) (middot,69) (squash,67)
www.sauritchsurfboards.com/ recreation/sports/aquatic_sports watch out jeremy sherwin is here over the past six months you may have noticed this guy in every surf magazine published jeremy is finally getting his run more.. copyright surfboards 2004 all rights reserved june 6 2004 new launches it s new and improved site you can now order custom surfboards online more improvements to come.. top selling models middot rocket fish middot speed egg middot classic middot squash
www.sauritchsurfboards.com/ recreation/sports/aquatic_sports (watch,93) (past,56) (months,11) (noticed,42) (guy,29) (surf,73) (magazine,21) (published,19) (finally,84) (run,37) (copyright,98) (surfboards,24) (rights,15) (reserved,70) (june,13) (launches,26) (improved,91) (site,80) (order,56) (custom,73) (surfboards,62) (online,70) (improvements,96) (top,81) (selling,5) (models,25) (middot,84) (rocket,27) (fish,36) (middot,5) (speed,46) (egg,29) (middot,13) (classic,57) (middot,24) (squash,95)
www.sauritchsurfboards.com/ recreation/sports/aquatic_sports watch out jeremy sherwin is here over the past six months you may have noticed this guy in every surf magazine published jeremy is finally getting his run more.. copyright surfboards 2004 all rights reserved june 6 2004 new launches it s new and improved site you can now order custom surfboards online more improvements to come.. top selling models middot rocket fish middot speed egg middot classic middot squash
www.sauritchsurfboards.com/ recreation/sports/aquatic_sports (watch,82) (past,45) (months,14) (noticed,67) (guy,34) (surf,64) (magazine,43) (published,50) (finally,87) (run,8) (copyright,76) (surfboards,78) (rights,88) (reserved,84) (june,3) (launches,51) (improved,54) (site,99) (order,32) (custom,60) (surfboards,76) (online,68) (improvements,39) (top,12) (selling,26) (models,86) (middot,94) (rocket,39) (fish,95) (middot,70) (speed,34) (egg,78) (middot,67) (classic,1) (middot,97) (squash,2)
www.sauritchsurfboards.com/ recreation/sports/aquatic_sports watch out jeremy sherwin is here over the past six months you may have noticed this guy in every surf magazine published jeremy is finally getting his run more.. copyright surfboards 2004 all rights reserved june 6 2004 new launches it s new and improved site you can now order custom surfboards online more improvements to come.. top selling models middot rocket fish middot speed egg middot classic middot squash
www.sauritchsurfboards.com/ recreation/sports/aquatic_sports (watch,17) (past,92) (months,52) (noticed,56) (guy,1) (surf,80) (magazine,86) (published,41) (finally,65) (run,89) (copyright,44) (surfboards,19) (rights,40) (reserved,29) (june,31) (launches,17) (improved,97) (site,71) (order,81) (custom,75) (surfboards,9) (online,27) (improvements,67) (top,56) (selling,97) (models,53) (middot,86) (rocket,65) (fish,6) (middot,83) (speed,19) (egg,24) (middot,28) (classic,71) (middot,32) (squash,29)