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One goal of EPIC was to move the complexity of instruction scheduling from the CPU hardware to the software compiler, which can do the instruction scheduling statically (with help of trace feedback information). This eliminates the need for complex scheduling circuitry in the CPU, which frees up space and power for other functions, including ...
Very long instruction word (VLIW) refers to instruction set architectures that are designed to exploit instruction-level parallelism (ILP). A VLIW processor allows programs to explicitly specify instructions to execute in parallel, whereas conventional central processing units (CPUs) mostly allow programs to specify instructions to execute in sequence only.
Intel and HP partnered in 1994 to develop the IA-64 ISA, using a variation of VLIW design concepts which Intel named explicitly parallel instruction computing (EPIC). Intel's goal was to leverage the expertise HP had developed in their early VLIW work along with their own to develop a volume product line targeted at the aforementioned high-end ...
Milana Vayntrub was born on March 8, 1987, to a secular Ashkenazi Jewish family in Tashkent, Uzbekistan, then a Soviet republic. [5] [6] Her grandparents were from Ukraine.[7] [8] When she was two years old, she and her parents immigrated to the United States as refugees from antisemitism, [9] settling in West Hollywood, California.
In-order execution, 128-bit VLIW, integrated memory controller Efficeon: 2004 In-order execution, 256-bit VLIW, fully integrated memory controller Cyrix Cx5x86: 1995 6 [3] Branch prediction Cyrix 6x86: 1996 Superscalar, superpipelined, register renaming, speculative execution, out-of-order execution DLX: 5 eSi-3200: 5 In-order, speculative ...
Additionally, vector processors can be more resource-efficient by using slower hardware and saving power, but still achieving throughput and having less latency than SIMD, through vector chaining. [10] [11] Consider both a SIMD processor and a vector processor working on 4 64-bit elements, doing a LOAD, ADD, MULTIPLY and STORE sequence.
Further advancement of compiler and memory technologies leads to emerging very long instruction word (VLIW) processors, where the compiler controls the schedule of instructions and handles data hazards. NISC is a successor of VLIW processors. In NISC, the compiler has both horizontal and vertical control of the operations in the datapath.
A MMU was also added so the ST231 can be used as a host processor. In digital video, STM reported in 2009 that it had shipped over 40 million systems-on-chip (SoCs) containing a VLIW processor from the ST200 family. Since many of these SoCs contain multiple ST200s (the STi7200 contains four ST231s), they actually shipped in excess of 70 million ...