C++ Reverse Compliment
CONTRIBUTE SOURCE CODE
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C++ Reverse Compliment - Roman TsarBlog
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gcc8.3/gcc9.2(prefer) + latest libboost
g++ -Ofast -march=native -fwhole-program -std=gnu++2a revcomp.cpp -o revcomp
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g++: error: std=gnu++2a: No such file or directoryhttps://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-gpp-8.html#log
My fault, apologies.
/usr/bin/g++ -c -pipe -O3 -fomit-frame-pointer -march=native -std=gnu++2a revcomp.gpp-8.c++ -o revcomp.gpp-8.c++.o && \ /usr/bin/g++ revcomp.gpp-8.c++.o -o revcomp.gpp-8.gpp_run revcomp.gpp-8.c++: In function ‘void replace(sv)’: revcomp.gpp-8.c++:130:12: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result] write(STDOUT_FILENO, buff, buff_size - line_size); ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ revcomp.gpp-8.c++:141:8: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result] write(STDOUT_FILENO, buff, buff_it - std::begin(buff)); ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ revcomp.gpp-8.c++: In function ‘int main()’: revcomp.gpp-8.c++:164:10: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result] write(STDOUT_FILENO, std::data(name), std::size(name)); ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./revcomp.gpp-8.gpp_run 0 < revcomp-input.txt >ONE Homo sapiens alu CGGAGTCTCGCTCTGTCGCCCAGGCTGGAGTGCAGTGGCGCGATCTCGGCTCACTGCAAC CTCCGCCTCCCGGGTTCAAGCGATTCTCCTGCCTCAGCCTCCCGAGTAGCTGGGATTACA GGCGCGCGCCACCACGCCCGGCTAATTTTTGTATTTTTAGTAGAGACGGGGTTTCACCAT GTTGGCCAGGCTGGTCTCGAACTCCTGACCTCAGGTGATCCGCCCGCCTCGGCCTCCCAA AGTGCTGGGATTACAGGCGTGAGCCACCGCGCCCGGCCTTTTTGAGACGGAGTCTCGCTC TGTCGCCCAGGCTGGAGTGCAGTGGCGCGATCTCGGCTCACTGCAACCTCCGCCTCCCGG GTTCAAGCGATTCTCCTGCCTCAGCCTCCCGAGTAGCTGGGATTACAGGCGCGCGCCACC ACGCCCGGCTAATTTTTGTATTTTTAGTAGAGACGGGGTTTCACCATGTTGGCCAGGCTG GTCTCGAACTCCTGACCTCAGGTGATCCGCCCGCCTCGGCCTCCCAAAGTGCTGGGATTA CAGGCGTGAGCCACCGCGCCCGGCCTTTTTGAGACGGAGTCTCGCTCTGTCGCCCAGGCT GGAGTGCAGTGGCGCGATCTCGGCTCACTGCAACCTCCGCCTCCCGGGTTCAAGCGATTC TCCTGCCTCAGCCTCCCGAGTAGCTGGGATTACAGGCGCGCGCCACCACGCCCGGCTAAT TTTTGTATTTTTAGTAGAGACGGGGTTTCACCATGTTGGCCAGGCTGGTCTCGAACTCCT GACCTCAGGTGATCCGCCCGCCTCGGCCTCCCAAAGTGCTGGGATTACAGGCGTGAGCCA CCGCGCCCGGCCTTTTTGAGACGGAGTCTCGCTCTGTCGCCCAGGCTGGAGTGCAGTGGC GCGATCTCGGCTCACTGCAACCTCCGCCTCCCGGGTTCAAGCGATTCTCCTGCCTCAGCC TCCCGAGTAGCTGGGATTACAGGCGCGCGCCACCACGCCCGGCTAATTTTTGTATTTTTA GTAGAGACGGGGTTTCACCATGTTGGCCAGGCTGGTCTCGAACTCCTGACCTCAGGTGAT CCGCCCGCCTCGGCCTCCCAAAGTGCTGGGATTACAGGCGTGAGCCACCGCGCCCGGCCT TTTTGAGACGGAGTCTCGCTCTGTCGCCCAGGCTGGAGTGCAGTGGCGCGATCTCGGCTC ACTGCAACCTCCGCCTCCCGGGTTCAAGCGATTCTCCTGCCTCAGCCTCCCGAGTAGCTG GGATTACAGGCGCGCGCCACCACGCCCGGCTAATTTTTGTATTTTTAGTAGAGACGGGGT TTCACCATGTTGGCCAGGCTGGTCTCGAACTCCTGACCTCAGGTGATCCGCCCGCCTCGG CCTCCCAAAGTGCTGGGATTACAGGCGTGAGCCACCGCGCCCGGCCTTTTTGAGACGGAG TCTCGCTCTGTCGCCCAGGCTGGAGTGCAGTGGCGCGATCTCGGCTCACTGCAACCTCCG CCTCCCGGGTTCAAGCGATTCTCCTGCCTCAGCCTCCCGAGTAGCTGGGATTACAGGCGC GCGCCACCACGCCCGGCTAATTTTTGTATTTTTAGTAGAGACGGGGTTTCACCATGTTGG CCAGGCTGGTCTCGAACTCCTGACCTCAGGTGATCCGCCCGCCTCGGCCTCCCAAAGTGC TGGGATTACAGGCGTGAGCCACCGCGCCCGGCCTTTTTGAGACGGAGTCTCGCTCTGTCG CCCAGGCTGGAGTGCAGTGGCGCGATCTCGGCTCACTGCAACCTCCGCCTCCCGGGTTCA AGCGATTCTCCTGCCTCAGCCTCCCGAGTAGCTGGGATTACAGGCGCGCGCCACCACGCC CGGCTAATTTTTGTATTTTTAGTAGAGACGGGGTTTCACCATGTTGGCCAGGCTGGTCTC GAACTCCTGACCTCAGGTGATCCGCCCGCCTCGGCCTCCCAAAGTGCTGGGATTACAGGC GTGAGCCACCGCGCCCGGCC >TWO IUB ambiguity codes TAGGDHACHATCRGTRGVTGAGWTATGYTGCTGTCABACDWVTRTAAGAVVAGATTTNDA GASMTCTGCATBYTTCAAKTTACMTATTACTTCATARGGYACMRTGTTTTYTATACVAAT TTCTAKGDACKADACTATATNTANTCGTTCACGBCGYSCBHTANGGTGATCGTAAAGTAA CTATBAAAAGATSTGWATBCSGAKHTTABBAACGTSYCATGCAAVATKTSKTASCGGAAT WVATTTNTCCTTCTTCTTDDAGTGGTTGGATACVGTTAYMTMTBTACTTTHAGCTAGBAA AAGAGKAAGTTRATWATCAGATTMDDTTTAAAVAAATATTKTCYTAAATTVCNKTTRACG ADTATATTTATGATSADSCAATAWAGCGRTAGTGTAAGTGACVGRADYGTGCTACHVSDT CTVCARCSYTTAATATARAAAATTTAATTTACDAATTGBACAGTAYAABATBTGCAGBVG TGATGGDCAAAATBNMSTTABKATTGGSTCCTAGBTTACTTGTTTAGTTTATHCGATSTA AAGTCGAKAAASTGTTTTAWAKCAGATATACTTTTMTTTTGBATAGAGGAGCMATGATRA AAGGNCAYDCCDDGAAAGTHGBTAATCKYTBTACBGTBCTTTTTGDTAASSWTAAWAARA TTGGCTAAGWGRADTYACATAGCTCBTAGATAWAGCAATNGTATMATGTTKMMAGTAWTC CCNTSGAAWATWCAAAAMACTGAADNTYGATNAATCCGAYWNCTAACGTTAGAGDTTTTC ATCTGGKRTAVGAABVCTGWGBTCTDVGKATTBTCTAAGGVADAAAVWTCTAGGGGAGGG TTAGAACAATTAAHTAATNAAATGCATKATCTAAYRTDTCAGSAYTTYHGATRTTWAVTA BGNTCDACAGBCCRCAGWCRTCABTGMMAWGMCTCAACCGATRTGBCAVAATCGTDWDAA CAYAWAATWCTGGTAHCCCTAAGATAACSCTTAGTGSAACAWTBGTCDTTDGACWDBAAC HTTTNGSKTYYAAYGGATNTGATTTAARTTAMBAATCTAAGTBTCATYTAACTTADTGTT TCGATACGAAHGGCYATATACCWDTKYATDCSHTDTCAAAATGTGBACTGSCCVGATGTA TCMMAGCCTTDAAABAATGAAGAGTAACTHATMGVTTAATAACCCGGTTVSANTGCAATT GTGAGATTTAMGTTTAMAAYGCTGACAYAAAAAGGCACAMYTAAGVGGCTGGAABVTACG GATTSTYGTBVAKTATWACCGTGTKAGTDTGTATGTTTAAAGGAAAAAGTAACATARAAA GGTYCAMNYAAABTATAGNTSATANAGTCATCCTATWADKAACTRGTMSACDGTATSAYT AAHSHGTAABYGACTYTATADTGSTATAGAGAAATCGNTAAAGGAAATCAGTTGTNCYMV TNACDRTATBNATATASTAGAAMSCGGGANRCKKMCAAACATTNAGTCTRMAATBMTACC CGTACTTCTBGDSYAATWGAAAATGACADDCHAKAAAYATATTKTTTTCACANACWAGAA AKATCCTTATTAYKHKCTAAACARTATTTTDATBTVWCYGCAATACTAGGKAAASTTDGA MGGCHTTHAATVCAHDRYAGGRCTATACGTCMAGAGAGCTBTHGNACARTCCBDCTAAGA GCGGCTTTARTAAAGAATCCNAGTAWBTGACTTGAATTACWTVACAGAAABCAATNAAAC CGTNTRANTTGAYCMAWBADTANABRGGTKTHTWTAGTTVCTMBKTAGMTVKCCAGCANT TVAGSWTTAGCCGCRHTTTCCTTHNTATTAAGAAGAATAGGMTRAARTCTABGTACDTTT TATAAVDHAHTATAGATCCTAGTAAGYTWATDWCATGAGGGATAGTAAMDMNGBASTWAM TSTATRBAYDABATGTATATYCGCACTGTTTTAACMCWBTATAWAGTATBTSTATVTTAR CCTMTTAAKADATCAACTAATYTSVTAKGDATTATGCKTCAYCAKAATACTTKAANGAGT ATTSDAGATCGGAAATACTTAAYAAVGTATMCGCTTGTGTDCTAATYTATTTTATTTWAA CAGWRCTATGTAGMTGTTTGTTYKTNGTTKTCAGAACNTRACCTACKTGSRATGTGGGGG CTGTCATTAAGTAAATNGSTTABCCCCTCGCAGCTCWHTCGCGAAGCAVATGCKACGHCA ACAKTTAATAACASAAADATTWNYTGTAATTGTTCGTMHACHTWATGTGCWTTTTGAAHY ACTTTGTAYAMSAAACTTAADAAATATAGTABMATATYAATGSGGTAGTTTGTGTBYGGT TWSGSVGWMATTDMTCCWWCABTCSVACAGBAATGTTKATBGTCAATAATCTTCTTAAAC ARVAATHAGYBWCTRWCABGTWWAATCTAAGTCASTAAAKTAAGVKBAATTBGABACGTA AGGTTAAATAAAAACTRMDTWBCTTTTTAATAAAAGATMGCCTACKAKNTBAGYRASTGT ASSTCGTHCGAAKTTATTATATTYTTTGTAGAACATGTCAAAACTWTWTHGKTCCYAATA AAGTGGAYTMCYTAARCSTAAATWAKTGAATTTRAGTCTSSATACGACWAKAASATDAAA TGYYACTSAACAAHAKTSHYARGASTATTATTHAGGYGGASTTTBGAKGATSANAACACD TRGSTTRAAAAAAAACAAGARTCVTAGTAAGATAWATGVHAAKATWGAAAAGTYAHVTAC TCTGRTGTCAWGATRVAAKTCGCAAVCGASWGGTTRTCSAMCCTAACASGWKKAWDAATG ACRCBACTATGTGTCTTCAAAHGSCTATATTTCGTVWAGAAGTAYCKGARAKSGKAGTAN TTTCYACATWATGTCTAAAADMDTWCAATSTKDACAMAADADBSAAATAGGCTHAHAGTA CGACVGAATTATAAAGAHCCVAYHGHTTTACATSTTTATGNCCMTAGCATATGATAVAAG >THREE Homo sapiens frequency ATATTTATCTTTTCACTTCCTACATTGGTCAGACCATTATTCGACACGTGGCGTCATTTT GTCATACCGGGTAATGTTGGAAACAAAACGTACTGATAAAATACTGAGTTGTAAACTCTA ATCAGATAACGCGCTTGGATATTAAGATTCACACAGGGGTTTCGGCTGTAAAAAAACTTG TGGAGCTGTTCTGGGACAGATAAGTTGTACCTCGTACTTAGCTAATTAATGAACCAACTG ATTACGATAGAACAATTCTGAGGCCGCCAGGACAGCCAAATTTTAATCTTATAAAGCTGG AAACAGCCGGTATTAGCTTCTCGCATACTTTGCCTGCATTGGTACCTTACAGATATCAGC GTAGTCATATACACCTCGGTCTCAGCTAAGCTTGTATCTCTTAGAGTAGTTCAAAGATAG TGGACAATACCTGTGGAATCGATTGCAGATATGGATTTATTTAACTACTGAGTCTCATTC ACAAGCTAAGCAAGGAGCACGTTTTGGTGCCGGCATACCGATTTGCTATCATGTCAGCAA ATTTGCGTTGTATTCCTAGTTGCACCCATTAAGGCCACACTCCGAACCTAATTATTACAT CGCAAAGACATGTACGAAGGACCCGATGTCGAATAGAAGGGAGGACTGTTCATTGGAAGC TAGACCAGAGGAATCGCAAAGATGCAACTCTTACAATAAAAATCTAATTTCAGTCAACAC GCAATTTCTATAAGGTTTCCGATAATAATGAACCGTCTTCCACAGGGGAATTTGCCATGC TCGTAAAAGTAGTTAATCCAAGTAGAAGAAATTTTGATAATGTTTTAAGTTGGCACGAAG GAATTCAGAGAGATCTTACCTAACAAAGGCATTAGTAGATGTTCCTTGGTTCACACTCGG TCAATCAGAGCACATACTACGGGCGATACCGGGAATGACACAACATCAATGAGATTGTTA AGTGAGGTAATTGACTTTAGAGGACTCGATCAGTATACTGTCACTATGAACATCGTATTA ATTGTTATCCGATATATACACCACCGATTTGCTTGTGCAAGGTTACAGACCCATTCGATA AATACAAACACGGAGCGATATTATTTAAGGAGTGCTGTCTTCAAAAGAATTATTCCCACA CCGACATAAGAACTTCGCTCCGTCATTCCAGATTTAAATAACATAACGTAACGCTTTGCT GATAACATAACATAACCGAGAATTTGCTTAGGAAATTTGGAGCAATATTGCATTGTTTCT CAGTCATCACAAGGCCCGCCAAAGAACTCTGAGAATCAGGATTCAACATGATTGGTAAGA CTCTATATATATAACTTAATTCTTGTGTCCGGAGATAGAAAGAGGACGAGAGATACTACG AAAGAAAGTGTACTTCGATGTATCAATTCAGACGCCTTCTCTATCATCAACATTATAGGT CTCGTATATGCTCGGCGCGATCTGCTTCTCTCCGCCAATAGCCCCATAGTGTATTTCAAG CGCAGTAACAGTGAAATCGTTACGAAGGTAGGGATGTTGCTTATAATTGTCGTAACTTAT CGCTTATGTATCTTTCAAGAATGAACGGCAGCATATACATACGTTCTACCTTTAGCTACA AAGCATCCATATACTCCCTCTCATGATTGAAACTCTTCCCTATTTTGTAGCCAATAGTGA AAGCGTATTAGTATAAATTCGTCGGTTTTTCACTCGCAACTGTTATACTCTGCAAACAAA CGAAAGCCTCATAGTACAAACCTAAAGCTACATACTTCATCATTGGCAGACCAGTGGCGG TATTTCTACGGAAGCATCACTATAGATATAAAGTTTCCCTTCATGTACGTCTGTTAACCA TATCACAAGAAACTGCTATCTCTGTCACGTAACAATTCACGCGCCTTATCGCCAAATGTT CATATATGCGCGGTATACGTATGAACGAATACTAATTAGTATAACGGAGGATTCACGGGA GGGATACTTGGGGCATTTATAAATCGTCTAAAAATTTTCTATCAGCACTTGCGGGTTATA GTGGATTACTAGGCAACATAATATTCTGTATTGGTCCAAATGACGCTATAGATAAATTAG CAAAATACATTGTTTCCATTTATGTAAGTCGAAACTCCAGGACTCCCGGGAACCAGTTAA ACCGTCTGGAAAAGACACATTGTGAGCGGGACTTCAATGATAGCTTTCAATGAGCTTCTC ATGCTTGGGGTCTGTACATATATGTTGGCGAAATTATCGTCTGTATTCTGTTATGCTTTG ATCATGGGTTATTAGTATAGTGTCCGGTTAAGTACCAATACCGCTAGAGACCCGACCTAA GTCGATAACTAACGATCATCGACGTAAGGATCGTCTCGATCAGTACTTCAGTCTAGATCT GGGAATAGTAACTCGTTAGTGAACTATGTCGTGTCATAACTCTAAAATGCAATCAAATCT TATTATTGAGTATTGATTATATAAAGCATCCGCTTAGCTTTACCCTCAAATGTTATATGC AATTTAAAGCGCTTGATATCGTCTACTCAAGTTCAGGTTTCACATGGCCGCAACGTGACG TTATTAGAGGTGGGTCATCATCTCTGAGGCTAGTGATGTTGAATACTCATTGAATGGGAA GTGGAATACCATGCTCGTAGGTAACAGCATGACCTATAAAATATACTATGGGTGTGTGGT AGATCAATATTGTTCAAGCATATCGTAACAATAACGGCTGAAATGTTACTGACATGAAAG AGGGAGTCCAAACCATTCTAACAGCTGATCAAGTCGTCTAAAAACGCCTGGTTCAGCCTT AAGAGTTATAAGCCAGACAAATTGTATCAATAGAGAATCCGTAAATTCCTCGGCCAACCT CTTGCAAAGACATCACTATCAATATACTACCGTGATCTTAATTAGTGAACTTATATAAAT ATCTACAACCAGATTCAACGGAAAAGCTTTAGTGGATTAGAAATTGCCAAGAATCACATT CATGTGGGTTCGAATGCTTTAGTAATACCATTTCGCCGAGTAGTCACTTCGCTGAACTGT CGTAAATTGCTATGACATAATCGAAAAGGATTGTCAAGAGTCGATTACTGCGGACTAATA ATCCCCACGGGGGTGGTCTCATGTCTCCCCAGGCGAGTGGGGACGGTTGATAAACACGCT GCATCGCGGACTGATGTTCCCAGTATTACATAGTCACATTGGATTGCGAGTAGTCTACCT ATTTATGAGCGAGAGATGCCTCTAACTACTTCGACTTTTAAAACCTTTCCACGCCAGTAT TCGGCGAAAGGGAAGTATTAAGGGTTGTCATAATTAAGCTGATACCACTTCAGACTTTGC TCTACTTCTGTCTTTCATTGGTTTAGTAAAGTCTGTCCATTCGTCGAGACCGTCTTTTGC AGCCTCATTCTACCAACTGCTCCGACTCTTAGTCTGCTTCTCCCAGCGTTATAACAAGAG GCATTTTGTCATCCTTAAAACAATAATAAAGAACTCGGAGCACTGATATAATGACTGAAT TAGAACCGCTTAAAAATACAACGAATAGATAAGACTATCGGATAAGATCTAATATGTAGT GATTAAGCCCTTTATTAATTAATAATAGTTACCCTTTCTGATGTAACGCGACATATTACG ATTTAGTGGCACGTCTGAATTGCAAAGCAGATCTCTACCCGATTTTTATTATAAATCCCG TATACATCTTGACTTGAGTAATTGTTCATCTTTTTATATCTCTTCGTACTACAAATAATT AATATCTCAACCCGTATTGTGTGATTCTAATTACCAACAGAATACGAGGAGGTTTTTGCT TAGGGCCATATATAATGAATCTATCTCGTTTATTCGCGGAACCCGAGATAACATTACGAT GTAACTATTTTAGAGAACTTAATACAAGAAACATTGCTGATTACTCATAACTAAATGCTT GGTAATATATCCTCAGTGCCCCTACCATCTTTTACGCAGGGATGTAATTACTTAGGATTC ATTGTGTAAGAATTACAATGAACGATGGATATGAAGGCATGTTGCGAGGTGTTCCTTGGT ATGTGAAGTTCGCAGGGCAACAAAAATTTCGCAGAATAGGCCTCAAAGTATTGGTAAAGA AGACAACTAATCATCACGAGCTTCTGATATCAATACGAACGAGTCCTGTGATGGATGAAA GAAAGTCGTATCGAAAATGTCAAGAGTCTGCCCAATGTAACTTACTTCAAAAAATAACGC TTCCGCCAAGTACGTTCGAATAAACGTAATTTTAAAAATACATAAGGGGTGTTAGAAAGT AAGCGACGGGATATAAGTTAGACTCAAGATTCCGCCGTAAAACGAGACTGATTCCGAAGA TTGTTCGTGGATCTGGTCATGACTTTCACTGAGTAAGGAGTTTCGACATATGTCAATAAA CACAAAAATAGAAGCTATTCGATCTGAAAAATATTAGGACAAGAAACTATCTCACGCTAG CCCAGAATATTCACTCACCCACGGGCGATACTAAAGCACTATATAGTCGCGTGATTACTA TACATATGGTACACATAAGAATCACGATCAGGTTCTCAATTTTCAACAATATATGTTTAT TTGCATAGGTAATATTAGGCCTTTAAGAGAAGGATGGGTGAGATACTCCGGGGATGGCGG CAATAAAGAAAAACACGATATGAGTAATAGGATCCTAATATCTTGGCGAGAGACTTAAGG TACGAATTTTGCGCAATCTATTTTTTACTTGGCCAGAATTCATGTATGGTATAAGTACGA ACTTTTTTGATCACTTTCATGGCTACCTGATTAGGATAGTTTGAGGAATTTCCCAAATAT ACCGATTTAATATACACTAGGGCTTGTCACTTTGAGTCAGAAAAAGAATATAATTACTTA GGGTAATGCTGCATACATATTCTTATATTGCAAAGGTTCTCTGGGTAATCTTGAGCCTTC ACGATACCTGGTGAAGTGTT Segmentation fault (core dumped)>ONE Homo sapiens alu CGGAGTCTCGCTCTGTCGCCCAGGCTGGAGTGCAGTGGCGCGATCTCGGCTCACTGCAAC CTCCGCCTCCCGGGTTCAAGCGATTCTCCTGCCTCAGCCTCCCGAGTAGCTGGGATTACA GGCGCGCGCCACCACGCCCGGCTAATTTTTGTATTTTTAGTAGAGACGGGGTTTCACCAT GTTGGCCAGGCTGGTCTCGAACTCCTGACCTCAGGTGATCCGCCCGCCTCGGCCTCCCAA AGTGCTGGGATTACAGGCGTGAGCCACCGCGCCCGGCCTTTTTGAGACGGAGTCTCGCTC TGTCGCCCAGGCTGGAGTGCAGTGGCGCGATCTCGGCTCACTGCAACCTCCGCCTCCCGG GTTCAAGCGATTCTCCTGCCTCAGCCTCCCGAGTAGCTGGGATTACAGGCGCGCGCCACC ACGCCCGGCTAATTTTTGTATTTTTAGTAGAGACGGGGTTTCACCATGTTGGCCAGGCTG GTCTCGAACTCCTGACCTCAGGTGATCCGCCCGCCTCGGCCTCCCAAAGTGCTGGGATTA CAGGCGTGAGCCACCGCGCCCGGCCTTTTTGAGACGGAGTCTCGCTCTGTCGCCCAGGCT GGAGTGCAGTGGCGCGATCTCGGCTCACTGCAACCTCCGCCTCCCGGGTTCAAGCGATTC TCCTGCCTCAGCCTCCCGAGTAGCTGGGATTACAGGCGCGCGCCACCACGCCCGGCTAAT TTTTGTATTTTTAGTAGAGACGGGGTTTCACCATGTTGGCCAGGCTGGTCTCGAACTCCT GACCTCAGGTGATCCGCCCGCCTCGGCCTCCCAAAGTGCTGGGATTACAGGCGTGAGCCA CCGCGCCCGGCCTTTTTGAGACGGAGTCTCGCTCTGTCGCCCAGGCTGGAGTGCAGTGGC GCGATCTCGGCTCACTGCAACCTCCGCCTCCCGGGTTCAAGCGATTCTCCTGCCTCAGCC TCCCGAGTAGCTGGGATTACAGGCGCGCGCCACCACGCCCGGCTAATTTTTGTATTTTTA GTAGAGACGGGGTTTCACCATGTTGGCCAGGCTGGTCTCGAACTCCTGACCTCAGGTGAT CCGCCCGCCTCGGCCTCCCAAAGTGCTGGGATTACAGGCGTGAGCCACCGCGCCCGGCCT TTTTGAGACGGAGTCTCGCTCTGTCGCCCAGGCTGGAGTGCAGTGGCGCGATCTCGGCTC ACTGCAACCTCCGCCTCCCGGGTTCAAGCGATTCTCCTGCCTCAGCCTCCCGAGTAGCTG GGATTACAGGCGCGCGCCACCACGCCCGGCTAATTTTTGTATTTTTAGTAGAGACGGGGT TTCACCATGTTGGCCAGGCTGGTCTCGAACTCCTGACCTCAGGTGATCCGCCCGCCTCGG CCTCCCAAAGTGCTGGGATTACAGGCGTGAGCCACCGCGCCCGGCCTTTTTGAGACGGAG TCTCGCTCTGTCGCCCAGGCTGGAGTGCAGTGGCGCGATCTCGGCTCACTGCAACCTCCG CCTCCCGGGTTCAAGCGATTCTCCTGCCTCAGCCTCCCGAGTAGCTGGGATTACAGGCGC GCGCCACCACGCCCGGCTAATTTTTGTATTTTTAGTAGAGACGGGGTTTCACCATGTTGG CCAGGCTGGTCTCGAACTCCTGACCTCAGGTGATCCGCCCGCCTCGGCCTCCCAAAGTGC TGGGATTACAGGCGTGAGCCACCGCGCCCGGCCTTTTTGAGACGGAGTCTCGCTCTGTCG CCCAGGCTGGAGTGCAGTGGCGCGATCTCGGCTCACTGCAACCTCCGCCTCCCGGGTTCA AGCGATTCTCCTGCCTCAGCCTCCCGAGTAGCTGGGATTACAGGCGCGCGCCACCACGCC CGGCTAATTTTTGTATTTTTAGTAGAGACGGGGTTTCACCATGTTGGCCAGGCTGGTCTC GAACTCCTGACCTCAGGTGATCCGCCCGCCTCGGCCTCCCAAAGTGCTGGGATTACAGGC GTGAGCCACCGCGCCCGGCC >TWO IUB ambiguity codes TAGGDHACHATCRGTRGVTGAGWTATGYTGCTGTCABACDWVTRTAAGAVVAGATTTNDA GASMTCTGCATBYTTCAAKTTACMTATTACTTCATARGGYACMRTGTTTTYTATACVAAT TTCTAKGDACKADACTATATNTANTCGTTCACGBCGYSCBHTANGGTGATCGTAAAGTAA CTATBAAAAGATSTGWATBCSGAKHTTABBAACGTSYCATGCAAVATKTSKTASCGGAAT WVATTTNTCCTTCTTCTTDDAGTGGTTGGATACVGTTAYMTMTBTACTTTHAGCTAGBAA AAGAGKAAGTTRATWATCAGATTMDDTTTAAAVAAATATTKTCYTAAATTVCNKTTRACG ADTATATTTATGATSADSCAATAWAGCGRTAGTGTAAGTGACVGRADYGTGCTACHVSDT CTVCARCSYTTAATATARAAAATTTAATTTACDAATTGBACAGTAYAABATBTGCAGBVG TGATGGDCAAAATBNMSTTABKATTGGSTCCTAGBTTACTTGTTTAGTTTATHCGATSTA AAGTCGAKAAASTGTTTTAWAKCAGATATACTTTTMTTTTGBATAGAGGAGCMATGATRA AAGGNCAYDCCDDGAAAGTHGBTAATCKYTBTACBGTBCTTTTTGDTAASSWTAAWAARA TTGGCTAAGWGRADTYACATAGCTCBTAGATAWAGCAATNGTATMATGTTKMMAGTAWTC CCNTSGAAWATWCAAAAMACTGAADNTYGATNAATCCGAYWNCTAACGTTAGAGDTTTTC ATCTGGKRTAVGAABVCTGWGBTCTDVGKATTBTCTAAGGVADAAAVWTCTAGGGGAGGG TTAGAACAATTAAHTAATNAAATGCATKATCTAAYRTDTCAGSAYTTYHGATRTTWAVTA BGNTCDACAGBCCRCAGWCRTCABTGMMAWGMCTCAACCGATRTGBCAVAATCGTDWDAA CAYAWAATWCTGGTAHCCCTAAGATAACSCTTAGTGSAACAWTBGTCDTTDGACWDBAAC HTTTNGSKTYYAAYGGATNTGATTTAARTTAMBAATCTAAGTBTCATYTAACTTADTGTT TCGATACGAAHGGCYATATACCWDTKYATDCSHTDTCAAAATGTGBACTGSCCVGATGTA TCMMAGCCTTDAAABAATGAAGAGTAACTHATMGVTTAATAACCCGGTTVSANTGCAATT GTGAGATTTAMGTTTAMAAYGCTGACAYAAAAAGGCACAMYTAAGVGGCTGGAABVTACG GATTSTYGTBVAKTATWACCGTGTKAGTDTGTATGTTTAAAGGAAAAAGTAACATARAAA GGTYCAMNYAAABTATAGNTSATANAGTCATCCTATWADKAACTRGTMSACDGTATSAYT AAHSHGTAABYGACTYTATADTGSTATAGAGAAATCGNTAAAGGAAATCAGTTGTNCYMV TNACDRTATBNATATASTAGAAMSCGGGANRCKKMCAAACATTNAGTCTRMAATBMTACC CGTACTTCTBGDSYAATWGAAAATGACADDCHAKAAAYATATTKTTTTCACANACWAGAA AKATCCTTATTAYKHKCTAAACARTATTTTDATBTVWCYGCAATACTAGGKAAASTTDGA MGGCHTTHAATVCAHDRYAGGRCTATACGTCMAGAGAGCTBTHGNACARTCCBDCTAAGA GCGGCTTTARTAAAGAATCCNAGTAWBTGACTTGAATTACWTVACAGAAABCAATNAAAC CGTNTRANTTGAYCMAWBADTANABRGGTKTHTWTAGTTVCTMBKTAGMTVKCCAGCANT TVAGSWTTAGCCGCRHTTTCCTTHNTATTAAGAAGAATAGGMTRAARTCTABGTACDTTT TATAAVDHAHTATAGATCCTAGTAAGYTWATDWCATGAGGGATAGTAAMDMNGBASTWAM TSTATRBAYDABATGTATATYCGCACTGTTTTAACMCWBTATAWAGTATBTSTATVTTAR CCTMTTAAKADATCAACTAATYTSVTAKGDATTATGCKTCAYCAKAATACTTKAANGAGT ATTSDAGATCGGAAATACTTAAYAAVGTATMCGCTTGTGTDCTAATYTATTTTATTTWAA CAGWRCTATGTAGMTGTTTGTTYKTNGTTKTCAGAACNTRACCTACKTGSRATGTGGGGG CTGTCATTAAGTAAATNGSTTABCCCCTCGCAGCTCWHTCGCGAAGCAVATGCKACGHCA ACAKTTAATAACASAAADATTWNYTGTAATTGTTCGTMHACHTWATGTGCWTTTTGAAHY ACTTTGTAYAMSAAACTTAADAAATATAGTABMATATYAATGSGGTAGTTTGTGTBYGGT TWSGSVGWMATTDMTCCWWCABTCSVACAGBAATGTTKATBGTCAATAATCTTCTTAAAC ARVAATHAGYBWCTRWCABGTWWAATCTAAGTCASTAAAKTAAGVKBAATTBGABACGTA AGGTTAAATAAAAACTRMDTWBCTTTTTAATAAAAGATMGCCTACKAKNTBAGYRASTGT ASSTCGTHCGAAKTTATTATATTYTTTGTAGAACATGTCAAAACTWTWTHGKTCCYAATA AAGTGGAYTMCYTAARCSTAAATWAKTGAATTTRAGTCTSSATACGACWAKAASATDAAA TGYYACTSAACAAHAKTSHYARGASTATTATTHAGGYGGASTTTBGAKGATSANAACACD TRGSTTRAAAAAAAACAAGARTCVTAGTAAGATAWATGVHAAKATWGAAAAGTYAHVTAC TCTGRTGTCAWGATRVAAKTCGCAAVCGASWGGTTRTCSAMCCTAACASGWKKAWDAATG ACRCBACTATGTGTCTTCAAAHGSCTATATTTCGTVWAGAAGTAYCKGARAKSGKAGTAN TTTCYACATWATGTCTAAAADMDTWCAATSTKDACAMAADADBSAAATAGGCTHAHAGTA CGACVGAATTATAAAGAHCCVAYHGHTTTACATSTTTATGNCCMTAGCATATGATAVAAG >THREE Homo sapiens frequency ATATTTATCTTTTCACTTCCTACATTGGTCAGACCATTATTCGACACGTGGCGTCATTTT GTCATACCGGGTAATGTTGGAAACAAAACGTACTGATAAAATACTGAGTTGTAAACTCTA ATCAGATAACGCGCTTGGATATTAAGATTCACACAGGGGTTTCGGCTGTAAAAAAACTTG TGGAGCTGTTCTGGGACAGATAAGTTGTACCTCGTACTTAGCTAATTAATGAACCAACTG ATTACGATAGAACAATTCTGAGGCCGCCAGGACAGCCAAATTTTAATCTTATAAAGCTGG AAACAGCCGGTATTAGCTTCTCGCATACTTTGCCTGCATTGGTACCTTACAGATATCAGC GTAGTCATATACACCTCGGTCTCAGCTAAGCTTGTATCTCTTAGAGTAGTTCAAAGATAG TGGACAATACCTGTGGAATCGATTGCAGATATGGATTTATTTAACTACTGAGTCTCATTC ACAAGCTAAGCAAGGAGCACGTTTTGGTGCCGGCATACCGATTTGCTATCATGTCAGCAA ATTTGCGTTGTATTCCTAGTTGCACCCATTAAGGCCACACTCCGAACCTAATTATTACAT CGCAAAGACATGTACGAAGGACCCGATGTCGAATAGAAGGGAGGACTGTTCATTGGAAGC TAGACCAGAGGAATCGCAAAGATGCAACTCTTACAATAAAAATCTAATTTCAGTCAACAC GCAATTTCTATAAGGTTTCCGATAATAATGAACCGTCTTCCACAGGGGAATTTGCCATGC TCGTAAAAGTAGTTAATCCAAGTAGAAGAAATTTTGATAATGTTTTAAGTTGGCACGAAG GAATTCAGAGAGATCTTACCTAACAAAGGCATTAGTAGATGTTCCTTGGTTCACACTCGG TCAATCAGAGCACATACTACGGGCGATACCGGGAATGACACAACATCAATGAGATTGTTA AGTGAGGTAATTGACTTTAGAGGACTCGATCAGTATACTGTCACTATGAACATCGTATTA ATTGTTATCCGATATATACACCACCGATTTGCTTGTGCAAGGTTACAGACCCATTCGATA AATACAAACACGGAGCGATATTATTTAAGGAGTGCTGTCTTCAAAAGAATTATTCCCACA CCGACATAAGAACTTCGCTCCGTCATTCCAGATTTAAATAACATAACGTAACGCTTTGCT GATAACATAACATAACCGAGAATTTGCTTAGGAAATTTGGAGCAATATTGCATTGTTTCT CAGTCATCACAAGGCCCGCCAAAGAACTCTGAGAATCAGGATTCAACATGATTGGTAAGA CTCTATATATATAACTTAATTCTTGTGTCCGGAGATAGAAAGAGGACGAGAGATACTACG AAAGAAAGTGTACTTCGATGTATCAATTCAGACGCCTTCTCTATCATCAACATTATAGGT CTCGTATATGCTCGGCGCGATCTGCTTCTCTCCGCCAATAGCCCCATAGTGTATTTCAAG CGCAGTAACAGTGAAATCGTTACGAAGGTAGGGATGTTGCTTATAATTGTCGTAACTTAT CGCTTATGTATCTTTCAAGAATGAACGGCAGCATATACATACGTTCTACCTTTAGCTACA AAGCATCCATATACTCCCTCTCATGATTGAAACTCTTCCCTATTTTGTAGCCAATAGTGA AAGCGTATTAGTATAAATTCGTCGGTTTTTCACTCGCAACTGTTATACTCTGCAAACAAA CGAAAGCCTCATAGTACAAACCTAAAGCTACATACTTCATCATTGGCAGACCAGTGGCGG TATTTCTACGGAAGCATCACTATAGATATAAAGTTTCCCTTCATGTACGTCTGTTAACCA TATCACAAGAAACTGCTATCTCTGTCACGTAACAATTCACGCGCCTTATCGCCAAATGTT CATATATGCGCGGTATACGTATGAACGAATACTAATTAGTATAACGGAGGATTCACGGGA GGGATACTTGGGGCATTTATAAATCGTCTAAAAATTTTCTATCAGCACTTGCGGGTTATA GTGGATTACTAGGCAACATAATATTCTGTATTGGTCCAAATGACGCTATAGATAAATTAG CAAAATACATTGTTTCCATTTATGTAAGTCGAAACTCCAGGACTCCCGGGAACCAGTTAA ACCGTCTGGAAAAGACACATTGTGAGCGGGACTTCAATGATAGCTTTCAATGAGCTTCTC ATGCTTGGGGTCTGTACATATATGTTGGCGAAATTATCGTCTGTATTCTGTTATGCTTTG ATCATGGGTTATTAGTATAGTGTCCGGTTAAGTACCAATACCGCTAGAGACCCGACCTAA GTCGATAACTAACGATCATCGACGTAAGGATCGTCTCGATCAGTACTTCAGTCTAGATCT GGGAATAGTAACTCGTTAGTGAACTATGTCGTGTCATAACTCTAAAATGCAATCAAATCT TATTATTGAGTATTGATTATATAAAGCATCCGCTTAGCTTTACCCTCAAATGTTATATGC AATTTAAAGCGCTTGATATCGTCTACTCAAGTTCAGGTTTCACATGGCCGCAACGTGACG TTATTAGAGGTGGGTCATCATCTCTGAGGCTAGTGATGTTGAATACTCATTGAATGGGAA GTGGAATACCATGCTCGTAGGTAACAGCATGACCTATAAAATATACTATGGGTGTGTGGT AGATCAATATTGTTCAAGCATATCGTAACAATAACGGCTGAAATGTTACTGACATGAAAG AGGGAGTCCAAACCATTCTAACAGCTGATCAAGTCGTCTAAAAACGCCTGGTTCAGCCTT AAGAGTTATAAGCCAGACAAATTGTATCAATAGAGAATCCGTAAATTCCTCGGCCAACCT CTTGCAAAGACATCACTATCAATATACTACCGTGATCTTAATTAGTGAACTTATATAAAT ATCTACAACCAGATTCAACGGAAAAGCTTTAGTGGATTAGAAATTGCCAAGAATCACATT CATGTGGGTTCGAATGCTTTAGTAATACCATTTCGCCGAGTAGTCACTTCGCTGAACTGT CGTAAATTGCTATGACATAATCGAAAAGGATTGTCAAGAGTCGATTACTGCGGACTAATA ATCCCCACGGGGGTGGTCTCATGTCTCCCCAGGCGAGTGGGGACGGTTGATAAACACGCT GCATCGCGGACTGATGTTCCCAGTATTACATAGTCACATTGGATTGCGAGTAGTCTACCT ATTTATGAGCGAGAGATGCCTCTAACTACTTCGACTTTTAAAACCTTTCCACGCCAGTAT TCGGCGAAAGGGAAGTATTAAGGGTTGTCATAATTAAGCTGATACCACTTCAGACTTTGC TCTACTTCTGTCTTTCATTGGTTTAGTAAAGTCTGTCCATTCGTCGAGACCGTCTTTTGC AGCCTCATTCTACCAACTGCTCCGACTCTTAGTCTGCTTCTCCCAGCGTTATAACAAGAG GCATTTTGTCATCCTTAAAACAATAATAAAGAACTCGGAGCACTGATATAATGACTGAAT TAGAACCGCTTAAAAATACAACGAATAGATAAGACTATCGGATAAGATCTAATATGTAGT GATTAAGCCCTTTATTAATTAATAATAGTTACCCTTTCTGATGTAACGCGACATATTACG ATTTAGTGGCACGTCTGAATTGCAAAGCAGATCTCTACCCGATTTTTATTATAAATCCCG TATACATCTTGACTTGAGTAATTGTTCATCTTTTTATATCTCTTCGTACTACAAATAATT AATATCTCAACCCGTATTGTGTGATTCTAATTACCAACAGAATACGAGGAGGTTTTTGCT TAGGGCCATATATAATGAATCTATCTCGTTTATTCGCGGAACCCGAGATAACATTACGAT GTAACTATTTTAGAGAACTTAATACAAGAAACATTGCTGATTACTCATAACTAAATGCTT GGTAATATATCCTCAGTGCCCCTACCATCTTTTACGCAGGGATGTAATTACTTAGGATTC ATTGTGTAAGAATTACAATGAACGATGGATATGAAGGCATGTTGCGAGGTGTTCCTTGGT ATGTGAAGTTCGCAGGGCAACAAAAATTTCGCAGAATAGGCCTCAAAGTATTGGTAAAGA AGACAACTAATCATCACGAGCTTCTGATATCAATACGAACGAGTCCTGTGATGGATGAAA GAAAGTCGTATCGAAAATGTCAAGAGTCTGCCCAATGTAACTTACTTCAAAAAATAACGC TTCCGCCAAGTACGTTCGAATAAACGTAATTTTAAAAATACATAAGGGGTGTTAGAAAGT AAGCGACGGGATATAAGTTAGACTCAAGATTCCGCCGTAAAACGAGACTGATTCCGAAGA TTGTTCGTGGATCTGGTCATGACTTTCACTGAGTAAGGAGTTTCGACATATGTCAATAAA CACAAAAATAGAAGCTATTCGATCTGAAAAATATTAGGACAAGAAACTATCTCACGCTAG CCCAGAATATTCACTCACCCACGGGCGATACTAAAGCACTATATAGTCGCGTGATTACTA TACATATGGTACACATAAGAATCACGATCAGGTTCTCAATTTTCAACAATATATGTTTAT TTGCATAGGTAATATTAGGCCTTTAAGAGAAGGATGGGTGAGATACTCCGGGGATGGCGG CAATAAAGAAAAACACGATATGAGTAATAGGATCCTAATATCTTGGCGAGAGACTTAAGG TACGAATTTTGCGCAATCTATTTTTTACTTGGCCAGAATTCATGTATGGTATAAGTACGA ACTTTTTTGATCACTTTCATGGCTACCTGATTAGGATAGTTTGAGGAATTTCCCAAATAT ACCGATTTAATATACACTAGGGCTTGTCACTTTGAGTCAGAAAAAGAATATAATTACTTA GGGTAATGCTGCATACATATTCTTATATTGCAAAGGTTCTCTGGGTAATCTTGAGCCTTC ACGATACCTGGTGAAGTGTTthis is the correct output.
my pc:
$ ./revcomp 0 < revcomp-input1000.txt .... $ echo $? 0https://imgur.com/a/TphhSI1 https://imgur.com/a/fizmQ1h - other pc. all right. what is your libboost version?
please, try gcc9.2
mentioned in issue #226 (closed)
"read line-by-line a redirected FASTA format file from stdin"
Don't see how
mmapcould be described as "read line-by-line" ?Removed.
Edited by Isaac GouyDon't see how
mmapcould be described as "read line-by-line" ?mmap NOT reading file. please, man mmap(kw MMAP_POPULATE).
remove this - https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-rust-2.html
openat(AT_FDCWD, "/dev/stdin", O_RDONLY|O_CLOEXEC) = 3 fcntl(3, F_GETFD) = 0x1 (flags FD_CLOEXEC) fstat(3, {st_mode=S_IFREG|0644, st_size=6177, ...}) = 0 read(3, ">ONE Homo sapiens alu\nGGCCGGGCGC"..., 16384) = 6177read 16384 bytes or 250+ LINES.
remove this - https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-gcc-3.html
struct stat st; fstat(in, &st); off_t size = st.st_size; char *buf = malloc(size + 1); buf[size] = '>'; read(in, buf, size);read ALL file.
remove this - https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-gpp-7.html
// allocate buffer the same size as file and read from stdin fstat(fd, &stat_buf); size_t len = stat_buf.st_size; auto input = std::unique_ptr<char>(new char[len + 1]); *(input.get() + len) = '\0'; for (int i = 0; std::cin.read(input.get() + i, BUF_SIZE); i += BUF_SIZE);read ALL file.
remove this - https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-rust-1.html
let mut data = Vec::with_capacity(1024 * 1024); stdin.lock().read_to_end(&mut data).unwrap();read ALL file
remove this - https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-rust-3.html
let size = stdin.metadata()?.len() as usize; let mut input = BufReader::with_capacity(READ_SIZE, stdin); fstat(3, {st_mode=S_IFREG|0644, st_size=6177, ...}) = 0 read(3, ">ONE Homo sapiens alu\nGGCCGGGCGC"..., 16384) = 6177read 16384 bytes or 250+ LINES.
continue? why listen my/c++ haters?
Edited by Romanremove this - https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-rust-1.html
read_to_endread ALL file
"This function will continuously call read() to append more data to buf"
Edited by Isaac Gouy
ALL fast solutions read more than one line. mmap NOT read file.
read line-by-line
a logical condition. not physical.
IO is language independent. measuring IO in language benchmarks is stupid.
Edited by RomanI not sure read line by line is a good condition. The line size here is 61 Bytes which is way below of optimal (of course it depends but lets say usual) buffer sizes which are on the order of several KB. So if you want to have syscall every 61 bytes then this would be the bottle-neck. Otherwise I think we should be fine with some kind of buffering which most languages in the list can do.
Well I see io buffering with bufsize from 1KB to 1MB. In rust, gcc, g++ and as far as I can understand in otherr languages. Then what I also see is that solutions save one DNA in memory and manipulate it, because we need to reverse it. So, read until the end of DNA first. In principle you can also use fseek for this purpose, but I didn't see any one using this.
Do you see anything else? Do you have some argumentation supporting "line by line" restriction in the tasks? Of course nobody can judge you if you just like it this way :)
which is more than 1MB
The larger input file is 1GB.
some solutions even read the whole file at once
Which ?
Edited by Isaac GouyThe larger input file is 1GB.
and? where "read line-by-line"?
// Read sequence data. input.read_until(b'>', &mut buf)?;read ~330MB.
loop { // Read the header line. input.read_until(b'\n', &mut buf)?; let seq_start = buf.len(); // Read sequence data. input.read_until(b'>', &mut buf)?; let i = buf.len() - 1; if buf[i] == b'>' { // Found the start of a new sequence. seqs.push(seq_start..i); } else { // Reached the end of the input. seqs.push(seq_start..buf.len()); break } }read 1gb.
why you ignore the facts?
16MB
This controls the size of reads from the input. Chosen to match the C entry. const READ_SIZE: usize = 16 * 1024; let stdin = File::open("/dev/stdin")?; let size = stdin.metadata()?.len() as usize; let mut input = BufReader::with_capacity(READ_SIZE, stdin);https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-rust-2.html
All file
int in = fileno(stdin); struct stat st; fstat(in, &st); off_t size = st.st_size; char *buf = malloc(size + 1); buf[size] = '>'; read(in, buf, size);https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-gcc-3.html
Which program that code snippet is from ?
https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-rust-2.html
In principle you can also use fseek for this purpose
https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/revcomp-gpp-4.html
FYI, you possibly might want to recheck your constexpr stuff. The program doesn't compile at all with trunk Clang.
man clang - https://godbolt.org/z/x7-acA
mentioned in issue #231 (closed)
mentioned in issue #144 (closed)
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