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| = Exercise Sheet 4 = The rules for uploading are the same as always. If you forgot them, [[SearchEnginesWS0910/ExerciseSheet1|you can read them again here]]. == Your solutions (files can only be read by the uploader and by us) == Along with the PDF of your solutions and your source code, please also provide the following two figures, so that all can see them: the maximal time difference you measured between (1) and (2) for Exercise 1, the best speed-up you get from using compression for Exercise 4 (next to last column), and the programming language you used (last column). ||'''No.''' ||'''Name''' ||'''Solution (PDF)''' ||'''Code (ZIP or TGZ)''' ||'''Factor for Ex. 1''' ||'''Speed-up for Ex. 4''' ||'''Progr. Language''' || ||1 ||[[SearchEnginesWS0910/BjörnBuchholdExercises|Björn Buchhold]] ||[[attachment:SearchEnginesWS0910/BjörnBuchholdExercises/björn_buchhold_ex4_2.pdf|PDF(2nd upload, corrected version)]] ||[[attachment:SearchEnginesWS0910/BjörnBuchholdExercises/björn_buchhold_ex4.zip|ZIP]] ||sequential access better by roughly factor 1.7 see pdf for details ||compression better by factor ~5.3 (comparing reading vs reading + decompression) ||Java || ||2 ||[[SearchEnginesWS0910/RichardZahoranskyExercises|Richard Zahoransky]] ||[[attachment:SearchEnginesWS0910/RichardZahoranskyExercises/Richard_Zahoransky_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/RichardZahoranskyExercises/Richard_Zahoransky_ex4.zip|ZIP]] ||sequential access better by factor of 37 ||--- ||Java || ||3 ||[[SearchEnginesWS0910/FlorianBaeurleExercises|Florian Bäurle]] ||[[attachment:SearchEnginesWS0910/FlorianBaeurleExercises/florian_baeurle_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/FlorianBaeurleExercises/florian_baeurle_ex4.zip|ZIP]] ||max. time difference: ~189,14 ms -> seq. access better by factor ~1,8 ||compression better by factor ~9 (depends heavily on m and n) ||C# || ||4 ||[[SearchEnginesWS0910/MirkoBrodesserExercises|Mirko Brodesser]] ||[[attachment:SearchEnginesWS0910/MirkoBrodesserExercises/mirko_brodesser_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/MirkoBrodesserExercises/mirko_brodesser_ex4.zip|ZIP]] ||seq. access better by factor ~14 ||compression better by factor ~2 ||Java || ||5 ||[[SearchEnginesWS0910/EricLacherExercises|Eric Lacher]] ||[[attachment:SearchEnginesWS0910/EricLacherExercises/Eric_Lacher_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/EricLacherExercises/Eric_Lacher_ex4.zip|ZIP]] ||seq. access better by factor ~2 to 70, depends on increment value (see pdf) ||- ||Java || ||6 ||[[SearchEnginesWS0910/ThomasLiebetrautExercises|Thomas Liebetraut]] ||[[attachment:SearchEnginesWS0910/ThomasLiebetrautExercises/thomas_liebetraut_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/ThomasLiebetrautExercises/thomas_liebetraut_ex4.tgz|tgz]] ||seq. access better by factor ~2 ||- ||Python || ||7 ||[[SearchEnginesWS0910/JonasKrischExercises|Jonas Krisch]] ||[[attachment:SearchEnginesWS0910/JonasKrischExercises/jonas_krisch_ex1.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/JonasKrischExercises/jonas_krisch_ex4.zip|ZIP]] ||- ||- ||Java || ||8 ||[[Triatmoko]] ||[[attachment:Triatmoko_Exe4.pdf|Pdf]] ||[[attachment:Triatmoko_exe4.rar|Rar]] ||- ||- ||Borland Delphi 7 || ||9 ||[[SearchEnginesWS0910/MatthiasSauerExercises|Matthias Sauer]] ||[[attachment:SearchEnginesWS0910/MatthiasSauerExercises/matthias_sauer_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/MatthiasSauerExercises/mathtias_sauer_ex4.zip|ZIP]] ||seq. access better by factor ~15 ||compression worse by factor ~2 ||C# || ||10 ||[[SearchEnginesWS0910/DanielSchauenbergExercises|Daniel Schauenberg]] ||[[attachment:SearchEnginesWS0910/DanielSchauenbergExercises/daniel_schauenberg_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/DanielSchauenbergExercises/daniel_schauenberg_ex4.tar.gz|tar.gz]] || permutation access takes ~150% || -- || python || ||11 ||[[SearchEnginesWS0910/JonasSterniskoExercises|Jonas Sternisko]] ||[[attachment:SearchEnginesWS0910/JonasSterniskoExercises/jonas_sternisko_ex04.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/JonasSterniskoExercises/jonas_sternisko_ex04.tar.gz|tar.gz]] || permutation access about 10-times slower (geometric mean) || -- || Python || ||12 ||[[SearchEnginesWS0910/ZhongjieCaiExercises|Zhongjie Cai]] ||[[attachment:SearchEnginesWS0910/ZhongjieCaiExercises/zhongjie_cai_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/ZhongjieCaiExercises/zhongjie_cai_ex4.zip|ZIP]] || sequence access faster by factor 1.1~1.8 || compression faster by 2~3 || VB.Net || ||13 ||[[SearchEnginesWS0910/MatthiasFrorathExercises|Matthias Frorath]] ||[[attachment:SearchEnginesWS0910/MatthiasFrorathExercises/Matthias_Frorath_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/MatthiasFrorathExercises/Matthias_Frorath_ex4.zip|ZIP]] || sequence access faster by factor 1.25~2.5 || - || Python || ||14 ||[[SearchEnginesWS0910/PareshParadkarExcercises|Paresh Paradkar]] ||[[attachment:SearchEnginesWS0910/PareshParadkarExcercises/Paresh_Paradkar_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/MatthiasFrorathExercises/Paresh_Paradkar_ex4.zip|ZIP]] || - || - || Java || ||15 ||[[SearchEnginesWS0910/nibblerExcercises|Ivo M.]] ||[[attachment:SearchEnginesWS0910/nibblerExercises/se_loesung04.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/nibblerExercises/src_ivo.tar|tar]] || - || - || || ||16 ||[[SearchEnginesWS0910/MariusGreitschusExercises|MariusGreitschus]] ||[[attachment:SearchEnginesWS0910/MariusGreitschusExercises/marius_greitschus_ex4.pdf|PDF]] ||[[attachment:SearchEnginesWS0910/MariusGreitschusExercises/marius_greitschus_ex4.tar.gz|tar.gz]] || sequencial access better by factor of ~48 || Encoding speeds up at a factor of ~1.04 || C# || ||17 ||[[SearchEnginesWS0910/ClaudiusKorzenExcercises|Claudius Korzen]] || || || || || Java || |
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