An example of a Roofline model in its basic form. As the image shows, the curve consists of two platform-specific performance ceilings: the processor's peak performance and a ceiling derived from the memory bandwidth.
1Numismatics is the official term for coin collecting. Apart from coins, it also refers to the collection and study of paper currency and tokens. A coin collector can be called a numismatist. 2What we call the âpennyâ is actually a misnomer which is really named the cent. Donât let a true collector hear you say the word âpennyâ! 3From the years 1850 â 1873, the US minted a 3 cent silver piece.
Noun. 1. coin-a flat metal piece (usually a disc) used as money. head - (usually plural) the obverse side of a coin that usually bears the representation of a person's head; call heads or tails!. obverse-the side of a coin or medal bearing the principal stamp or design.. a metal disc or piece used as money. 2. (Currencies) metal currency, as opposed to securities, paper currency, etc. 3. (Architecture) architect a variant spelling of quoin. 4. pay a person back in his own coin to treat a person in the way that he has treated others.