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S1, a 64-bit Wishbone compliant CPU core based on the OpenSPARC T1 design. It is a single UltraSPARC V9 core capable of 4-way SMT. Like the T1, the source code is licensed under the GPL. OpenSPARC T2, released in 2008, a 64-bit, 64-thread implementation conforming to the UltraSPARC Architecture 2007 and to SPARC Version 9 (Level 1). Source code ...
The SPARC64 has separate interfaces for memory and input/output (I/O). The bus used to access the memory is 128 bits wide. The system interface is the HAL I/O (HIO) bus, a 64-bit asynchronous bus. The MMU has a die area of 163 mm 2.
The MCST R2000, (e90), (Russian: МЦСТ R2000) is a 64-bit microprocessor developed by Moscow Center of SPARC Technologies (MCST) and fabricated by TSMC. [ 1 ] [ 2 ] MCST R2000 Highlights
In the late 1990s, HAL Computer Systems, a subsidiary of Fujitsu, was designing a successor to the SPARC64 GP as the SPARC64 V. First announced at Microprocessor Forum 1999, the HAL SPARC64 V would have operated 1 GHz and had a wide superscalar organization with superspeculation, an L1 instruction trace cache, a small but very fast 8 KB L1 data cache, and separate L2 caches for instructions ...
The integer register file has 32 64-bit entries. As the SPARC ISA uses register windows , of which the UltraSPARC has eight, the actual number of registers is 144. The register file has seven read and three write ports.
They are the fourth generation of UltraSPARC microprocessors, and implement the 64-bit SPARC V9 instruction set architecture (ISA). The UltraSPARC IV was originally to be succeeded by the UltraSPARC V Millennium , which was canceled after the announcement of the Niagara , now UltraSPARC T1 microprocessor in early 2004.
MMX has only 8 registers shared with the FPU stack, while SPARC processors have 32 registers, also aliased to the double-precision (64-bit) floating point registers. As with the SIMD instruction set extensions on other RISC processors, VIS strictly conforms to the main principle of RISC: keep the instruction set concise and efficient.
OpenSPARC is an open-source hardware project, started in December 2005, for CPUs implementing the SPARC instruction architecture. The initial contribution to the project was Sun Microsystems' register-transfer level (RTL) Verilog code for a full 64-bit, 32-thread microprocessor, the UltraSPARC T1 processor.