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Kakšna hitrost je FLOP?
Dr X ::
Pozdravljeni!
Zanima me samo, če mi zna kdo malo bolj razložiti kakšna hitrost je to FLOP (z njo je ponavadi podana hitrost super računalnikov). Zanima me kako bi to primerjali s hitrostjo osebnih računalnikov, katerih hitrost je podana v hercih.
Že v naprej se vam zahvaljujem za odgovor.
Zanima me samo, če mi zna kdo malo bolj razložiti kakšna hitrost je to FLOP (z njo je ponavadi podana hitrost super računalnikov). Zanima me kako bi to primerjali s hitrostjo osebnih računalnikov, katerih hitrost je podana v hercih.
Že v naprej se vam zahvaljujem za odgovor.
Nič ni nemogoče.
frenk ::
flops-i so floating point operacije na sekundo...torej to pomeni koliko operacij z realnimi števili lahko procesor naredi na sekundo...to je seveda bol tko simpl rečeno, sigurno se pa da to dodatno zakomplicirat
Dr X ::
To sem že nek preblral. Mene pa zanima kakšna je to hitrost v primerjavi s Hz (a se da mogoče to izrazt c hercih).
Zheegec ::
NE! Se pa najbrž da približno izraziti z IPC in MHz, samo težko in nenatančno.
Recimo CPU z 1GHz in IPC=1 je najbrž počasnejši od CPU s 500MHz in IPC=4. Seveda v večini primerov
Recimo CPU z 1GHz in IPC=1 je najbrž počasnejši od CPU s 500MHz in IPC=4. Seveda v večini primerov
"božja zapoved pravi; <Spoštuj očeta in mater>,
ne govori pa o spoštovanju sodstva."
Janez Janša, 29.04.2014
ne govori pa o spoštovanju sodstva."
Janez Janša, 29.04.2014
OmegaBlue ::
ekole ti podam kar v originalu:
FLOP
FLOP is an acronym for FLoating point OPeration. A floating point operation is meant to be an elementary operation (such as sum, subtraction, multiplication, division). FLOPs (the lowercase s suffix stands for the plural, and should not be confused with FLOPS) are used as measure of the amount of computation to perform.
A MegaFLOP corresponds to 106 FLOPs, a GigaFLOP is 109 FLOPs, and a TeraFLOP is 1012 FLOPs.
FLOPS
FLOPS is an acronym for FLoating point Operations Per Second. This is used to express the speed of a processor, and it measures the number of FLOPs that are processed in one second. Hence, for example, a CPU that processes 1.2 GigaFLOPs per minute, has a speed of 1.2 * 109 FLOPs / 60 seconds = 20 MegaFLOPS MegaFLOPS, GigaFLOPS, and TeraFLOPS stand for 106, 109, and 1012 FLOPSs, respectively.
FLOP
FLOP is an acronym for FLoating point OPeration. A floating point operation is meant to be an elementary operation (such as sum, subtraction, multiplication, division). FLOPs (the lowercase s suffix stands for the plural, and should not be confused with FLOPS) are used as measure of the amount of computation to perform.
A MegaFLOP corresponds to 106 FLOPs, a GigaFLOP is 109 FLOPs, and a TeraFLOP is 1012 FLOPs.
FLOPS
FLOPS is an acronym for FLoating point Operations Per Second. This is used to express the speed of a processor, and it measures the number of FLOPs that are processed in one second. Hence, for example, a CPU that processes 1.2 GigaFLOPs per minute, has a speed of 1.2 * 109 FLOPs / 60 seconds = 20 MegaFLOPS MegaFLOPS, GigaFLOPS, and TeraFLOPS stand for 106, 109, and 1012 FLOPSs, respectively.
Never attribute to malice that which can be adequately explained by stupidity.
frenk ::
zalaufaš sandro in zmeriš koliko flopsov naredi tvoj cpu, potem pa primerjaj s superračunalniki
Arthur ::
MegaFLOPS, GigaFLOPS, and TeraFLOPS stand for 106, 109, and 1012 FLOPSs, respectively
samo popravek, tule manjkajo strešice za potenco - torej 10^6, 10^9... itd.
Dr X ::
Sam tko, če koga zanima. Če sem prov prebral rezultat v Sandri ma Pentium 4 2,4 GHz hitrost približno 19 KFLOPS/s.
Nič ni nemogoče.
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