Performance and cache strategy at NIKKEI

「高速なメディアを実現させるための戦略と戦術」

Front-End Study #2「Performance Tuning in depth」
https://forkwell.connpass.com/event/194828/
での発表資料です。

Transcript

1. /*,,&*
   
   3ZPNB
   "CF Ἑᴌଜ஑୷୓୒ୄ࿚ᚨଇ଍ଽ
   
   
   ଑ଳଠᇩᬾଚᇩᛸ 'SPOU&OE
   4UVEZ
   ૖1FSGPSNBODF
   5VOJOH
   JO
   EFQUI૗
   
2. ᨅၽᣞశ 3ZPNB
   "CF
   BSBZB ጄ፱ᣦᕩዶᦎ័୷୨୯஛ఔᐶ
   ጄᣦṨྶᙋ8FCୱ஬ஐ ୩୯஬୸୒୳இ Ⴆ
   
   உணୱஓ஬ Ⴆ
   
   ጄᣦ _
3. ጄᣦṨྶᙋଠ௬ూ ࿚ଡጄᣦṨྶᙋ XFC ଝଡஜ୩஍ண୧ஆଜ଴ଠଚଏ૸ଙଜ૶ஊ஬୨ ૾ྺ໇ XXXOJLLFJDPN SOJLLFJDPN XXXOJLLFJDPN
   
   SOJLLFJDPN ᮫ఔஊ஬୨
   ፪༺൒
   எ஬ୡ୳୸
   ଜଛ ୸୳இ
   ག௴൏ẻ
   ᐡᣖ
   ଜଛ
4. ጄᣦṨྶᙋଠ௬ూ ᮫ఔஊ஬୨଴ଏଠ௟ଖ଒କ଑
5. ᮫ఔஊ஬୨ଠ൞ዶ Ⴆ፠ൖጉ
   ᮫ఔஊ஬୨ଠ1$ᙋஒ஀୔஛ᙋୄᣰฅ ௟ᵄᛋ༕஫୒୛ୖண୸᠔൘ୄḨଁ ୷୩ୟ୸୳இฎଃ ஒ஀୔஛ฎଃ ஜ୩஍ண୧ஆ ଋଫଘଠ6TFS
   "HFOU
6. ᮫ఔஊ஬୨ଠ൞ዶ ᮎᮐ᜷ଜ୷୦୔ணો6*଒ଃଙଜଁୣ஬୹உ஬୩଴௟ዶ ௟ᵄᛋ༕஫୒୛ୖண୸᠔൘ୄḨଁ ୷୩ୟ୸୳இฎଃ ஒ஀୔஛ฎଃ ஜ୩஍ண୧ஆ ଋଫଘଠ6TFS
   "HFOU
7. ጄᣦṨྶᙋଠዶ᮫ఔஊ஬୨ ዶ଑ଝሐ᠙ଇାଽ᮫ఔ 
   BSUJDMFT
   
   EBZ ஄஬ୟጤ᷾႑  
   SFRVFTUT
   
   NJO
8. Ɣ ᮌ൉ଉଚ᮫ఔ፱ዥടẫ૾ᭇ៍ଇାଽରଙଠጤ᷾ ż 5XJUUFSଜଛଠ4/4૽଻᮫ఔୄ᷻૶଑ጤ ᙘଝᯌẴଝଜକ଑᮫ఔଡ
   SFRVFTUT
   
   NJOଁ଻૶૴ଽଅଚ଴ ż ᐡᣖᣨ᎞ો୥୔୸ങ૽଻ଠᴫ᠇ 䚉
   ஖஬୦஬ଝଛା଒ଃᴌଁ᮫ఔ፱ዥୄᮌ଍଻ାଽ૽ '$1 ᮫ఔஊ஬୨ଙᵶᮉଜ஁அ୙஬எண୩ቁᑥ
9. ୿୔஁அ୙஬எண୩ୄ࿚ᚨଋଽ଑ଳଝ Ɣ ଢ଼ஓ୳୧க෺ᧄଜ଴ଠଡଋଫଘ$%/૽଻ᵒಘ Ɣ ᷻ᜲጤଝᆜᰖଋଽஙண୯୔ஐ ż 4FSWFSTJEF
   /PEFKT
   SFR
   
   SFTରଙଠጤ᷾ ଅଠᜲᭇଙଡ୩ୣ஬இ༻ ż $MJFOUTJEF
   #SPXTFS Ŷ CVOEMF
   TJ[F Ŷ DSJUJDBM
   SFOEFSJOH
   QBUI Ŷ FUD
10. Ἑᴌଜᵒಘ஫Ἑ᰾ᩦପଠᦀᅌୄ࿚ᚨଋଽ଑ଳଠ$%/
11. Ἑᴌଜᵒಘ஫Ἑ᰾ᩦପଠᦀᅌୄ࿚ᚨଋଽ଑ଳଠ$%/ DBDIF૾૴ଽଚ૿ોଜ૶ଚ૿ $%/
    DBDIF
    ૴଼ $%/
    DBDIF
    ଜଉ ᐻᯬୄᮟૺଢ$%/ଙ
    DBDIF
    IJUଉଘଁାାଢ୚ச୨ண୥஬஀஬ଡᴌଁଜଁଘ૶૶
12. Ἑᴌଜᵒಘ஫Ἑ᰾ᩦପଠᦀᅌୄ࿚ᚨଋଽ଑ଳଠ$%/ ܦ ༾ଁଠ஖஬୦஬ଝ࿾ଉ୘୳୨ଢ଼ஓ୳୧கୄᳵଉଘἙᴌଝᄷᡨଋଽ ܦ ୚ச୨ணପଠ࿖႖᜷ଜ᰾ᩦୄ௦଄ଽ ܦ ୒ୟ୫୩ଠ୩஁୔ୟ૽଻୚ச୨ணୄ࿌ଽ ܦ ୚ச୨ண૾᪅ଓଘ଴ଢ଼ஓ୳୧கଙஜ୩஍ண୩ୄᳵ଍ଽ TUBMFJGFSSPS ଢ଼ஓ୳୧கஂ୳୸ᚕଠᵶᮉᅌ
13. Ἑᴌଜᵒಘ஫Ἑ᰾ᩦପଠᦀᅌୄ࿚ᚨଋଽ଑ଳଠ$%/ ଢ଼ஓ୳୧கஂ୳୸ᚕଠᵶᮉᅌ,JCBOBଙ෺ᮎට ૼ଺ଏ_ଙቯ᠇
    ዋ๱ଠ౩້૴଼ ࿖፫᜷ଝ௦૾କଘ૶ଽଚଅିଡዶଉ૶᮫ఔ૾༾૶
14. Ἑᴌଜᵒಘ஫Ἑ᰾ᩦପଠᦀᅌୄ࿚ᚨଋଽ଑ଳଠ$%/ ஑୔ணச୭஬୩ଚ୥ஆச୭஬୩ଠᵒಘ ܦ ஑୔ணச୭஬୩ IUNM ܦ ୘୳୨ଠଢ଼ஓ୳୧கஂ୳୸ᚕୄἙଁ ಖଖ
    ൩᳻ ܦ ୥ஆச୭஬୩ DTT
    KT
    JNBHF ܦ ᄰᮉଜଅଚୄ૶ଓገଁୟங୔୒ண୸ ଝౕૺଽ ܦ 3FTPVSDF
    )JOUT
    FH
    QSFMPBE ܦ )551
    TFSWFS
    QVTI ܦ ஃ஛୹ጤଝSFWJTJPOୄాଃଘૼ૶ଘ ୟங୔୒ண୸ଢ଼ஓ୳୧க
15. Ἑᴌଜᵒಘ஫Ἑ᰾ᩦପଠᦀᅌୄ࿚ᚨଋଽ଑ଳଠ$%/ ஑୔ணச୭஬୩ଚ୥ஆச୭஬୩ଠᵒಘ ܦ ஑୔ணச୭஬୩ IUNM ܦ ୘୳୨ଠଢ଼ஓ୳୧கஂ୳୸ᚕୄἙଁ ಖଖ
    ൩᳻ ܦ ୥ஆச୭஬୩ DTT
    KT
    JNBHF ܦ ᄰᮉଜଅଚୄ૶ଓገଁୟங୔୒ண୸ ଝౕૺଽ ܦ 3FTPVSDF
    )JOUT
    FH
    QSFMPBE ܦ )551
    TFSWFS
    QVTI ܦ ஃ஛୹ጤଝSFWJTJPOୄాଃଘૼ૶ଘ ୟங୔୒ண୸ଢ଼ஓ୳୧க
16. Ἑᴌଜᵒಘ஫Ἑ᰾ᩦପଠᦀᅌୄ࿚ᚨଋଽ଑ଳଠ$%/ ஑୔ணச୭஬୩ଚ୥ஆச୭஬୩ଠᵒಘ ܦ ஑୔ணச୭஬୩ IUNM ܦ ୘୳୨ଠଢ଼ஓ୳୧கஂ୳୸ᚕୄἙଁ ಖଖ
    ൩᳻ ܦ ୥ஆச୭஬୩ DTT
    KT
    JNBHF ܦ ᄰᮉଜଅଚୄ૶ଓገଁୟங୔୒ண୸ ଝౕૺଽ ܦ 3FTPVSDF
    )JOUT
    FH
    QSFMPBE ܦ )551
    TFSWFS
    QVTI ܦ ஃ஛୹ጤଝSFWJTJPOୄాଃଘૼ૶ଘ ᷶፫᷾ୟங୔୒ண୸ଢ଼ஓ୳୧க
17. Ἑᴌଜᵒಘ஫Ἑ᰾ᩦପଠᦀᅌୄ࿚ᚨଋଽ଑ଳଠ$%/ DBDIFDPOUSPMଚTVSSPHBUFDPOUSPM
18. Ἑᴌଜᵒಘ஫Ἑ᰾ᩦପଠᦀᅌୄ࿚ᚨଋଽ଑ଳଠ$%/ DBDIFDPOUSPMଚTVSSPHBUFDPOUSPM 
    SFWBMJEBUFଜଉଙ൙ᛟ෺ᧄଜଢ଼ஓ୳୧க୚ஆ୨ୗୟ୸
19. ୿୔஁அ୙஬எண୩ୄ࿚ᚨଋଽ଑ଳଝ Ɣ ଢ଼ஓ୳୧க෺ᧄଜ଴ଠଡଋଫଘ$%/૽଻ᵒಘ Ɣ ᷻ᜲጤଝᆜᰖଋଽஙண୯୔ஐ ż 4FSWFSTJEF
    /PEFKT
    SFR
    
    SFTରଙଠጤ᷾ ଅଠᜲᭇଙଡ୩ୣ஬இ༻ ż $MJFOUTJEF
    #SPXTFS Ŷ CVOEMF
    TJ[F Ŷ MB[ZMPBE Ŷ FUD
20. ୟங୔୒ண୸ଠஙண୯୔ஐୄᆜᰖଉ଑᷻ᜲ Ɣ சୟ୘୩୸ଆଚଝIUNMୄᛛᇡଉஜ୩஍ண୩ ୚ச୨ணରଙ൜ᴟଉଘ૶ଽଚ૶૸ଅଚଡ౧଻૽ଉ଻ଠᚫᛣଙଢ଼ஓ୳୧க૾ඇ૶ଘ૶ଜ૶ Ɣ ໱፱᜷ଝଡଋଫଘ443 ż ୟங୔୒ண୸୥୔୹+4ଡ$VTUPN
    &MFNFOUTଝඡଲ Ɣ ᛨ೛ଡMB[ZMPBEଋଽ Ɣ ᙘᒸଜ୛୶୤சଠ᮫ఔଠ଑ଳଠୟங୔୒ண୸୥୔୹+4ଡ$PEF
    4QMJUUJOHଋ ଽ
21. ୟங୔୒ண୸ଠஙண୯୔ஐୄᆜᰖଉ଑᷻ᜲ ᛨ೛ଠMB[ZMPBE Ɣ ᛨ೛୥୔୪൏ଠ౩᜵ୄ443ଉଘૼଁ Ɣ ୩ୟ஝஬஛ౡᥔ૾ଏଅରଙᎋ଑଼ોᭇ៍ଋଽᄰᮉଝ ଜକ଑ଚ૿ଝᭇ៍ Ɣ IUUQTHJUIVCDPNB'BSLBTMB[ZTJ[FT
22. Ɣ ၸଠஂ஬୸எ୳இଡ௟ᵄଠ୛୶୤சଝဪଋ᮫ఔଝଉ૽ ൉ᚨଉଜ૶૾ોங୔ஆஙசଠ୥୔୪૾ག૿૶ Ɣ CVOEMFୄୁଃଘોஂ஬୸எ୳இୄᭇ៍ଋଽ᮫ఔଙଡ
    EZOBNJD
    JNQPSU
    
    TDSJQUୄ443 ୟங୔୒ண୸ଠஙண୯୔ஐୄᆜᰖଉ଑᷻ᜲ ᙘᒸଜ୛୶୤சଠ᮫ఔଠ଑ଳଠCVOEMF
    KT
23. 䜽䝷䜲䜰䞁䝖䛾䝷䞁䝍䜲䝮䜢ព㆑䛧䛯㛤Ⓨ
24. ର଒ᯠẴଡ૴ଽ଴ଠଠો ଏାଜ଼ଠ஁அ୙஬எண୩ଙசச஬୩ୄ ᳳૺଽଅଚ૾ଙ૿଑ ଅାୄ᣿ሿଉଇ଻ଝዋ๱ଉ᣺ଃଽ଑ଳଝଡ ஒ୻୯சணୠ૾௧෺ᒚ
25. ஁அ୙஬எண୩ଠ᣹᣺᜷ଜஒ୻୯சணୠ TQFFEDVSWFଠᔲᛟ ܦ ஁அ୙஬எண୩ଠ༻ᄃᝐᮎ ܦ $PSF
    8FC
    7JUBMTଶોஜ୩஍ண୩୯୔ஐો அ୑୔஛୥୔୪ଜଛᑗ૏ଜቁᑥୄஒ୻୯சண ୠ ܦ ஀୨ୗ୳୸ୄᱺૺଘ૶଑଻4MBDLଝᴉញଋଽ ୒ங஬୸
26. ஁அ୙஬எண୩ଠ᣹᣺᜷ଜஒ୻୯சணୠ ଏଠ఼ଠ୴஬஛ Ɣ $S69
    IUUQTEFWFMPQFSTHPPHMFDPNXFCUPPMTDISPNFVTFSFYQFSJFODFSFQ PSU
    Ɣ 1FSGPSNBODF0CTFSWFS
    IUUQTEFWFMPQFSTHPPHMFDPNXFCVQEBUFTQFSGPSNBODFP CTFSWFS
    Ɣ -JHIUIPVTF
    $*
    IUUQTHJUIVCDPN(PPHMF$ISPNFMJHIUIPVTFDJ
    Ɣ 4FOUSZ
    MBC ῏FME ῏FME ῏FME
27. ଅା૽଻ଠጄᣦṨྶᙋ8FC ଺଼଺૶஖஬୦஬౦ỿୄ࿚ᚨଉો8FC୘ୣ୧୩୶ஐଝ᱀ᚂଋଽ Ɣ ῏FME
    EBUBଠஒ୻୯சணୠ Ɣ 4FSWJDF8PSLFSଠജ፡ඇට Ɣ ᚨᙡ୹஑୔ண૾ଖ૴ଽଜଛଠᮉິଙ48ୄ୚அଝଉଘ૶ଽ ż 48ଠQSFDBDIF૾࿚ṃଝଛଠ᠊Ⴜ౶ୁା଑૽ඇ᎞ᕺ࿖ ż 18" Ɣ ஖஬୦஬ଠᴉಘ஫୷஀୔୩ᛋ༕ଝฅୁ଍଑ச୭஬୩ᵒಘଠ፞ᴧටୄ୘୳୨ଙᬻ૸ ż $MJFOU)JOUT IUUQTEFWFMPQFSTHPPHMFDPNXFCGVOEBNFOUBMTQFSGPSNBODFPQUJNJ[JOHDPOUFOUFῑDJFODZDMJFOUIJOUT
    Ŷ &$5
    355
    %FWJDFNFNPSZ ż /FUXPSL
    *OGPSNBUJPO
    "1*
    IUUQTXJDHHJUIVCJPOFUJOGPFDUSFRVFTUIFBEFS῏FME Ɣ ஑୔ணச୭஬୩ଠஜ୩஍ண୩ୄᳵଋ൩ଝોᄰᮉଜ୥ஆச୭஬୩ୄୟங୔୒ண୸ଝౕૺଽ 
    &BSMZ
    )JOUT
    IUUQTXXXGBTUMZDPNCMPHCFZPOETFSWFSQVTIFYQFSJNFOUJOHXJUIUIFFBSMZIJOUTTUBUVTDPEF FUDܪ
28. ጄᣦṨྶᙋ8FCୱ஬ஐଙଡ )551ો$%/ોஆஙୖ୦ଠᑺᧄୄஅ஛ଝ౶૶ ୿୔஁அ୙஬எண୩ଜ஑୷୓୒ୄ௟ᤎଝ౬ଽ ై᷾ୄඕṓଉଘ૶ରଋ IUUQTIBDLOJLLFJDPNKPCTXFC