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.
Coin collecting, one of the worldâs oldest hobbies, was once practiced exclusively by kings, queens, and the very wealthy. Today, anyone can be a coin collector and own a piece of history from the U.S. Mint. Our wide selection of numismatic items include gold, silver, and platinum coins, program coins, annual coin sets, proof sets, commemorative coins, and uncirculated coins. Thank you for signing up with United States Mint!