|  |  | FSX a multicore 26. 10. 2009 / 13:47 | |
|  | Zdravím pánové,
mám jednu otázečku. Marně hledám příspěvek o nastavení FSX tak, aby pracoval se všemi jádry. Mám FSX SP2. Myslel jsem, že toto už umí FSX ve verzi se SP2 defaultně, ale včera jsem přes správce úloh zjistil, že tomu tak není.
Můžete mi prosím poradit, jak se jmenoval ten příspěvek či na něj dát odkaz, případně mi rovnou říct, že to SP2 už umí default a v tom případě kde je chyba?
Zkoušel jsem (jak bylo v mém minulém treadu od Gustava http://www.flightsim.cz/forum_prispevek.php?id=327190&lan=0 ) vše vytočit naplno a na KJFK při vzletu s default B744 FPS asi 5-7 (po snížení zobrazovaných objektů to pak rostlo). Pokud to opravdu před dvěma lety zkoušeli a měli dotyční více jak 20 FPS, by mě zajímalo, na jakých strojích to bylo...
Dík za odpovědi,
Gunterr  |
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 |  |  | FSX a multicore 26. 10. 2009 / 13:58 | |
|  | FSX vs. Multicore je asi tak ze klasicky udelane tak jakoby na pul... FSX v podstate pouziva multit-hreading, nicmene POUZE pro nacitani scenerii. Vlastni simulace - letova dynamika, pristroje... je pouze single-thread/core.
Takze v praxi ma ve FSX multicore prinos ale pouze ve chvili kdy se donacita scenerka, nad kterou se letadlo pohybuje.
A z vlastnic zkusenosti mohu potvrdit, ze tomu tak opravdu je - pokud se nacita let, nebo pri rychlem slew nad terenem je FSX schopna vystavit moji QX9650 na 100% vsechna 4 jadra.
Pri letu je to ovsem bida protoze simulaci modelu tahne jedno jadro.
Obecne tak neni pro FSX limitujicim faktorem ani tak sila graficke karty jako vlastni brutalni vykon procesoru na JEDNOM jadru - takze v podstate zalezi na taktovaci frekvenci a ne na mnozstvi jader...
Z. |
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 |  |  |  | FSX a multicore 26. 10. 2009 / 14:07 | |
|  | Díky za odpověď.
Takže pokud to chápu dobře, tak mi to moje 4jádro je téměř na nic, jelikož je frekvence 2,83GHz relativně nízká - pro potřeby FSX (a možná i FS9). Takže vlastně rada pro ty, co si k Vánocům budou pořizovat nový computer - kupte si fakt silný dvoujádro a budete na tom líp než já a za mnohem levnější peníz Chápu to tak dobře? |
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 |  |  |  |  | FSX a multicore 26. 10. 2009 / 14:13 | |
|  | skoro jo ... ale zase, malokdo si kupuje pocitac ciste jen kvuli flight simulatoru. no nicmene, dvoujadro na pristi rok, dva, tri staci. |
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 |  |  |  |  |  | FSX a multicore - nákup sestavy 26. 10. 2009 / 14:28 | |
|  | Tak jak to pozoruju, tak jsem to letos s tím computerem pěkně pos... Win 7 je levnější než Visty před 3 měsíci, nové kousky HW jsou levnější a výkonější...
No, pozdě bycha honiti, tak snad aspoň pro ty, co se rozhodují, to bude mít nějaký význam. A co se týče mě, tak já si nový HW kupoval se zaměřením rovnou na FSX - z 99% jsem to hledal právě pro FSX, možná časem budu ještě za to 4jádro rád...
Když už to tak procházím, prosím o radu lidi, co mají podobnou sestavu jako já - resp. jestli mají zkušenosti mezi default 2,83GHz a případným přetaktováním. Zde jsem četl, že v klidu toto jádro zvládá i 3,41GHz. Jaký je tam nárůst výkonu, zda tímto navýšením se zvýší i markantně FPS?
Díky  |
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 |  |  |  |  |  |  | FSX a multicore - nákup sestavy 26. 10. 2009 / 14:37 | |
|  | mas ctyrjadro? ja bych si zas tak hlavu netrhal .. zas takova traga to neni ... muzes delat aspon vic veci naraz ... a o no i u toho nacitani scenerii, kdyz budes mit nejaka pekna ortofota, se tech vicejadre urcite vyplati 
k tem cenam - nema smysl si rvat vlasy. bez ohledu nato, kdy nekoupis, za par mesicu jsou ceny uplne neikde jinde ... takze si nevyberes. |
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 |  |  |  |  |  |  |  | FSX a multicore - nákup sestavy 26. 10. 2009 / 14:51 | |
|  | Jj, čtyřjádro Q9550 od Intelu. No, uvidíme, čas ukáže. Třeba se objeví něco, co to změní. U FSX si ale naděje už nedělám Třeba se jednou objeví druhý displej (třeba pod stromečkem) a budu pracovat na druhé polovině na něčem dalším 
Má ale vyjít Mafia II, třeba tam to bude k něčemu - to sem ale nepatří. |
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 |  |  |  |  |  |  |  |  | FSX a multicore - nákup sestavy 26. 10. 2009 / 15:02 | |
|  | Q9550 je vyborna koupe, zvlast v pomeru cena vykon -> a mimochodem, aniz bych cimkoliv sachoval (tzn. i pameti zustaly bez zvysene voltaze) tak jsem ho zvednul na 3.2Ghz, bezi stabilne a teploty sly nahoru o cca. 5 stupnu pri max. zatezi, coz je naprosto v pohode. Udajne jde pri trose snahy tahle potvurka vytahnout hodne nad 3.5Ghz, ale do toho uz bych se nepoustel  |
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 |  |  |  |  |  |  |  |  |  | FSX a multicore - nákup sestavy 26. 10. 2009 / 15:07 | |
|  | Jasný, o zvedání nějak vysoko jsem snad ani nepřemýšlel. Tady byla spíš otázka na to, jaký tam může být nárůst oproti default 2,83GHz? Popravdě se mi více líbí stejná frekvence paměti a jádra 1333MHz. |
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 |  |  |  |  |  |  |  |  |  |  | FSX a multicore - nákup sestavy 26. 10. 2009 / 20:14 | |
|  | To asi zalezi hodne na konkretni sestave a konfiguraci, ale u me se to projevilo celkem linearne, tzn. narust cca. 15%. Je to malo, ale me to nic nestoji (zatizeni komponent se tim zvedlo minimalne) a tech par fps navrch se obcas celkem hodi. |
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 |  |  |  |  | FSX a multicore 26. 10. 2009 / 14:59 | |
|  | Ono je to jeste trochu jinak. Kod FSXka je celkem slusny moloch a ma spoustu vrtochu, a jednim z nich je ze ackoliv tomu nic nenasvedcuje, tak vykon 4jadra a 2jadra je u nej rozdilny i kdyz jde o stejnou architekturu a taktovaci frekvenci. Na druhou stranu ale ma Traged pravdu, ze brutalni vykon na jednom jadru dany taktem hraje prim. Tzn. pokud clovek otaci kazdou kacku, tak je lepsi dvoujadro na co nejvyssim taktu, ale jeste lepsich vysledku se dosahne ctyrjadrem o stejne frq. Dale pak existuji dalsi "bottle-neck" parametry jako je propustnost sbernice, pameti, a v neposledni rade grafarna. A tohle nejak vyvazit je celkem kumst, me se na moji sestave prvni jadro topi jak sfina, zbyla se celkem flakaji, ale zase si muzu pustit HD DVB-T telku na druhy monitor a s fps to nehne . Nicmene nez jsem upgradnul grafarnu, tak se mi flakalo i to prvni jadro, takze bylo jasne videt kde je limit.
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 |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:16 | |
|  | K té první části "...ze brutalni vykon na jednom jadru dany taktem hraje prim.". To znamená, že I5 od Intelu je přesně to pravý ořechový? Přecejen 3,4GHz stojí za to na jádru, byť 2,66 je jinak míň než to moje. |
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 |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:19 | |
|  | do jednojadra rozhodne nechodit. i kdyz je to papirove lepsi... |
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 |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:24 | |
|  | To není jednojádro. Je to 4jádro, které se ale umí u jednoho (možná víc, tak detailně jsem to nečetl) přetaktit v případě, že nestíhá, případně ty flákající se odpojí. Což jsem pochopil, že by pro FSX bylo fajn. |
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 |  |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:25 | |
|  | | |
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 |  |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:31 | |
|  | Nadává se tomu intel turbo a funguje to tak, že při vytížení například jednovláknovou aplikací procesor automaticky zvýší násobič na onom vytíženém jádře tak, aby bylo dosaženo vyššího výkonu. |
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 |  |  |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:33 | |
|  | takze je to pak trabant se spojlerem?  |
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 |  |  |  |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:35 | |
|  | to je dobrýýý  |
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 |  |  |  |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:36 | |
|  | No, podle toho, co jsem zatím četl, takovej dost dobrej trabant pro FSX  |
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 |  |  |  |  |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:37 | |
|  | To je otázka peněz hlavně |
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 |  |  |  |  |  |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:41 | |
|  | Jasný, ale viděl bych to tak, že v tuto chvíli lepší, než ten můj Q9550. Nebo ne? Peníze vycházejí možná ještě líp. |
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 |  |  |  |  |  |  |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:42 | |
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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 15:46 | |
|  | Tak to jsi mě moc nepotěšil Ale kdo to mohl tušit. V době, kdy jsem ten svůj computer sestavoval, byly "jen" i7 a ty byly mimo můj finanční dosah. Tak třeba za 3 roky budu poučen líp. |
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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | FSX a multicore 26. 10. 2009 / 20:16 | |
|  | Hele tohle je vecny boj, ktery ma 2 extremy -> budto prachy neresis, a pak kupujes to nejvykonnejsi ale vytopis v tom desne penez, nebo naopak porad cekas na to nejvyhodnejsi a pak mas doma starickou sunku. Obecne doporucuji jit s davem, a v momente kdy stary pocitac ocividne nestaci, na novy jsou nejake $$$, tak proste projit recenze a brat mainstream ktery vychazi dobre v pomeru cena/vykon. Coz je prave aktualne pripad i5. |
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