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Merced(mərsĕd`), city (1990 pop. 56,216), seat of Merced co., central Calif.; inc. 1889. It is a growing city and a center for tourism and farm trade in a cotton, fruit, and dairy region. Prefabricated wood buildings and metal products are the chief manufactures. Merced has a large concentration of Hmong immigrants. A campus of the Univ. of California is there, and Yosemite National Park is nearby.
a river in California (USA); a right tributary of the San Joaquin River. Length, approximately 180 km. Basin area, 3,300 sq km. It rises on the western slope of the Sierra Nevada in Yosemite National Park. In the upper course, the valley has steep slopes (elevation, to 1,500 m) and the river forms such waterfalls as Nevada Fall (height, 178 m) and Vernal Fall (height, 95 m). In the lower course the Merced flows out onto the Central Valley. It is fed primarily by snow. The mean flow rate at the point where the Merced flows out of Lake McLure is 38 cu m per sec. Because the river is used for irrigation, the mean flow rate at the mouth is 21 cu m per sec.
ItaniumA CPU family from Intel designed to supersede Intel's x86-based servers. Although an advanced hardware architecture, and even with HP as its major supporter, Itanium gained only a fraction of the server market dominated by the x86 line. In addition, the compilers necessary to take full advantage of Itanium's elaborate architecture were never fully developed. By the time Itanium gained ground in the early 2000s, there were too many x86 servers running worldwide, and x86 performance was improving.
HP-UX (HP's Unix) and several other Unix versions run on Itanium; however, in the 2010 time frame, the Itanium versions of Windows Server, Red Hat Linux and Ubuntu Linux were given end of life.
x86 Kept Advancing
After 64-bit Itanium chips were introduced in 2001, Intel upgraded its x86 CPUs to 64 bits, and over the years added advanced security and fault detection features into high-end x86 Xeon chips. See Intel 64 and Xeon.
Native, x86 and HP PA-RISC Apps
Itaniums run native applications and emulate x86 and HP PA-RISC apps. x86 programs are executed in hardware or in software (see IA-32 Execution Layer). HP PA-RISC apps are translated in software (see Aries). For more on the Itanium architecture, see IA-64.
Model Process Max. Year Tech. Clock Max.Code Name Intro (nm) Speed CoresItanium Merced 2001 180 800 MHz 1 Itanium 2 McKinley 2002 180 1.0 GHz 1 Madison 2003 130 1.6 GHz 1 Deerfield 2003 130 1.0 GHz 1 Hondo 2004 130 1.1 GHz 1 Fanwood 2004 130 1.6 GHz 1 Madison 2004 130 1.7 GHz 1 Montecito 2006 90 1.6 GHz 2 Montvale 2007 90 1.7 GHz 2 Itanium 9300 Tukwila 2010 65 1.7 GHz 4 Itanium 9500 Poulson 2013 32 2.5 GHz 8