Kedis ku xidhan hagaha · Adag Heerka
Kediska Feejignaanta Flash
Wuxuu tijaabiyaa FlashAttention's IO-aware tiling, softmax online, feejignaanta saxda ah, isku xigxiga, iyo farqiga u dhexeeya taraafikada xusuusta iyo xisaabinta.
Su'aal 1 ee 8
Waa maxay cilladda ugu weyn ee Flash Feejignaanta bartilmaameedsanayo?
Horudhac su'aal kasta8 su'aalo
Jawaabaha iyo sharraxaadaha waxay soo baxayaan markaad qaadanayso kediska.
- Waa maxay cilladda ugu weyn ee Flash Feejignaanta bartilmaameedsanayo?
- Akhrinta iyo qorista matrixka dareenka weyn si loo yareeyo xusuusta GPU-da
- Tirada isku dhufashada-dhibcaha sabaynta ee dareenka
- Qiimaha raritaanka miisaanka model ka diskka
- Latency network ee u dhexeeya GPU-yo badan
- Sidee Fiishka Feejignaanta uga fogaanayaa kaydinta fiirsashada N-by-N buuxda?
- Waxay ku qiyaastaa fiiro gaar ah oo leh qiyaaso aan kala sooc lahayn
- Waxay ku socodsiisaa su'aalaha, furayaasha, iyo qiyamka taayirada yaryar waxayna isku daraysaa natiijooyinka qayb ahaan
- Waxay ka boodaa inta badan lamaanayaasha calaamada gabi ahaanba
- Waxay ku cadaadisaa matrixka iyadoo la tixgalinayo
- Farsamo noocee ah ayaa u oggolaanaysa Flash Attention inay si sax ah u xisaabiso softmax iyada oo aan la arkin safka oo dhan hal mar?
- Shaxda tilmaame ee hore loo xisaabiyey
- Hoos u dhigista softmax iyo adeegsiga qiyaas toosan
- A orodka (online) softmax kaas oo la socda heerka ugu sarreeya iyo wadarta
- Kala soocida buundooyinka ka hor inta aan caadi laga dhigin
- Marka la barbar dhigo dareenka caadiga ah, wax soo saarka Flash Attention waa:
- Qiyaasta qallafsan ee saxnaanta ka beddeleysa xawaaraha
- Aad u saxsan sababtoo ah saxnaanta sare
- Kaliya waxay ku ansaxaysaa taxanaha gaaban
- Xisaab ahaan isku mid, si hufan ayaa loo xisaabiyaa
- Waa maxay sababta Flash Attention ugu caawiso taxanaha dheer?
- Sababtoo ah xusuusta feejignaanta waxay u koraan afar-geesood dhererka isku xigxiga
- Sababtoo ah taxanaha dheer wuxuu u baahan yahay lakabyo yar
- Sababtoo ah softmax waxay noqotaa mid aan loo baahnayn wax gelinta dheer
- Sababtoo ah GPU-yadu si tartiib tartiib ah ayey u socdaan taxane gaaban
- Muxuu nashqada 'IO-aware' ee feejignaanta Flash mudnaan siinayaa yaraynta?
- Tirada qiyaasaha moodeelka
- Xusuustu waxay akhridaa oo wax ka qortaa inta u dhaxaysa SRAM iyo HBM
- Qoto dheer ee shabakada neerfaha
- Cabbirka ereyada ee tokenizer
- What remains computationally quadratic for dense exact self-attention even when FlashAttention reduces memory traffic?
- The number of model layers must double
- Every token is compared with only one other token
- The number of query-key pair interactions grows with the square of sequence length
- The number of model parameters becomes zero
- Why can FlashAttention’s results differ slightly from a reference implementation despite computing the same mathematical attention?
- It intentionally drops all long-distance tokens
- It changes the model weights during inference
- It replaces softmax with a random sample
- Floating-point operations can occur in a different order during tiled accumulation