UltraSPARC T2
UltraSPARC T2(研发代号:Niagara II)是升阳电脑所研发的微处理器,是一颗多核心(执行核)、多线程(多执行绪)的CPU,采用开放架构。UltraSPARC T2的前一款处理器为UltraSPARC T1。
UltraSPARC T2衍生自UltraSPARC系列微处理器,这颗处理器内可以有8个CPU核心,且每个核心最多可同时执掌、处理8个执行绪,如此UltraSPARC T2处理器在最理想状态下可同时执行64个执行绪,而且,每个核心也有自属的浮点运算单元(FPU)。同时加密、解密相关的执行处理单元也将由单核提升成多核。T2将使用65纳米制程, 而且L2快取内存增到4MB.
2006年4月12日,升阳电脑宣布完整的UltraSPARC T2处理器已经进行试产(tape-out),且功率用电方面的特性表现将与现有UltraSPARC T1相同,在效能方面,倘若执行已依据UltraSPARC T1架构而重新编译、转化的软件,则UltraSPARC T2的执行效率将会是UltraSPARC T1的两倍;在浮点运算能力方面,UltraSPARC T2 每个核心均有一个浮点运算单元(FPU),相比UltraSPARC T1八个核心共享一个浮点运算单元,其性能提升将是根本性的。
2006年5月26日,UltraSPARC T2处理器进入整机性(指将处理器装入服务器内)的系统测试,比原订的8月底、9月底进行测试提前三个月,并预计在2007年能正式推出使用UltraSPARC T2处理器的服务器。此外也已经得知UltraSPARC T2将内建二个10Gbps的以太网路界面(简称:10GbE)。
2007年12月11日,Sun公司通过OpenSPARC计划将UltraSPARC T2处理器以GPL开源协议发布。
操作系统支持
Solaris
Ubuntu
# psrinfo -vp
The physical processor has 64 virtual processors (0-63)
UltraSPARC-T2+ (chipid 0, clock 1414 MHz)
The physical processor has 64 virtual processors (64-127)
UltraSPARC-T2+ (chipid 1, clock 1414 MHz)
#
The physical processor has 64 virtual processors (0-63)
UltraSPARC-T2+ (chipid 0, clock 1414 MHz)
The physical processor has 64 virtual processors (64-127)
UltraSPARC-T2+ (chipid 1, clock 1414 MHz)
#
每个物理CPU有8核,每核8线程。所以看到逻辑cpu有128之多。
# prtdiag -v
System Configuration: Sun Microsystems sun4v T5440
Memory size: 32480 Megabytes
System Configuration: Sun Microsystems sun4v T5440
Memory size: 32480 Megabytes
================================ Virtual CPUs ================================
CPU ID Frequency Implementation Status
------ --------- ---------------------- -------
0 1414 MHz SUNW,UltraSPARC-T2+ on-line
1 1414 MHz SUNW,UltraSPARC-T2+ on-line
2 1414 MHz SUNW,UltraSPARC-T2+ on-line
3 1414 MHz SUNW,UltraSPARC-T2+ on-line
4 1414 MHz SUNW,UltraSPARC-T2+ on-line
5 1414 MHz SUNW,UltraSPARC-T2+ on-line
6 1414 MHz SUNW,UltraSPARC-T2+ on-line
7 1414 MHz SUNW,UltraSPARC-T2+ on-line
8 1414 MHz SUNW,UltraSPARC-T2+ on-line
9 1414 MHz SUNW,UltraSPARC-T2+ on-line
10 1414 MHz SUNW,UltraSPARC-T2+ on-line
11 1414 MHz SUNW,UltraSPARC-T2+ on-line
12 1414 MHz SUNW,UltraSPARC-T2+ on-line
13 1414 MHz SUNW,UltraSPARC-T2+ on-line
14 1414 MHz SUNW,UltraSPARC-T2+ on-line
15 1414 MHz SUNW,UltraSPARC-T2+ on-line
16 1414 MHz SUNW,UltraSPARC-T2+ on-line
17 1414 MHz SUNW,UltraSPARC-T2+ on-line
18 1414 MHz SUNW,UltraSPARC-T2+ on-line
19 1414 MHz SUNW,UltraSPARC-T2+ on-line
20 1414 MHz SUNW,UltraSPARC-T2+ on-line
21 1414 MHz SUNW,UltraSPARC-T2+ on-line
22 1414 MHz SUNW,UltraSPARC-T2+ on-line
23 1414 MHz SUNW,UltraSPARC-T2+ on-line
24 1414 MHz SUNW,UltraSPARC-T2+ on-line
25 1414 MHz SUNW,UltraSPARC-T2+ on-line
26 1414 MHz SUNW,UltraSPARC-T2+ on-line
27 1414 MHz SUNW,UltraSPARC-T2+ on-line
28 1414 MHz SUNW,UltraSPARC-T2+ on-line
29 1414 MHz SUNW,UltraSPARC-T2+ on-line
30 1414 MHz SUNW,UltraSPARC-T2+ on-line
31 1414 MHz SUNW,UltraSPARC-T2+ on-line
32 1414 MHz SUNW,UltraSPARC-T2+ on-line
33 1414 MHz SUNW,UltraSPARC-T2+ on-line
34 1414 MHz SUNW,UltraSPARC-T2+ on-line
35 1414 MHz SUNW,UltraSPARC-T2+ on-line
36 1414 MHz SUNW,UltraSPARC-T2+ on-line
37 1414 MHz SUNW,UltraSPARC-T2+ on-line
38 1414 MHz SUNW,UltraSPARC-T2+ on-line
39 1414 MHz SUNW,UltraSPARC-T2+ on-line
40 1414 MHz SUNW,UltraSPARC-T2+ on-line
41 1414 MHz SUNW,UltraSPARC-T2+ on-line
42 1414 MHz SUNW,UltraSPARC-T2+ on-line
43 1414 MHz SUNW,UltraSPARC-T2+ on-line
44 1414 MHz SUNW,UltraSPARC-T2+ on-line
45 1414 MHz SUNW,UltraSPARC-T2+ on-line
46 1414 MHz SUNW,UltraSPARC-T2+ on-line
47 1414 MHz SUNW,UltraSPARC-T2+ on-line
48 1414 MHz SUNW,UltraSPARC-T2+ on-line
49 1414 MHz SUNW,UltraSPARC-T2+ on-line
50 1414 MHz SUNW,UltraSPARC-T2+ on-line
51 1414 MHz SUNW,UltraSPARC-T2+ on-line
52 1414 MHz SUNW,UltraSPARC-T2+ on-line
53 1414 MHz SUNW,UltraSPARC-T2+ on-line
54 1414 MHz SUNW,UltraSPARC-T2+ on-line
55 1414 MHz SUNW,UltraSPARC-T2+ on-line
56 1414 MHz SUNW,UltraSPARC-T2+ on-line
57 1414 MHz SUNW,UltraSPARC-T2+ on-line
58 1414 MHz SUNW,UltraSPARC-T2+ on-line
59 1414 MHz SUNW,UltraSPARC-T2+ on-line
60 1414 MHz SUNW,UltraSPARC-T2+ on-line
61 1414 MHz SUNW,UltraSPARC-T2+ on-line
62 1414 MHz SUNW,UltraSPARC-T2+ on-line
63 1414 MHz SUNW,UltraSPARC-T2+ on-line
64 1414 MHz SUNW,UltraSPARC-T2+ on-line
65 1414 MHz SUNW,UltraSPARC-T2+ on-line
66 1414 MHz SUNW,UltraSPARC-T2+ on-line
67 1414 MHz SUNW,UltraSPARC-T2+ on-line
68 1414 MHz SUNW,UltraSPARC-T2+ on-line
69 1414 MHz SUNW,UltraSPARC-T2+ on-line
70 1414 MHz SUNW,UltraSPARC-T2+ on-line
71 1414 MHz SUNW,UltraSPARC-T2+ on-line
72 1414 MHz SUNW,UltraSPARC-T2+ on-line
73 1414 MHz SUNW,UltraSPARC-T2+ on-line
74 1414 MHz SUNW,UltraSPARC-T2+ on-line
75 1414 MHz SUNW,UltraSPARC-T2+ on-line
76 1414 MHz SUNW,UltraSPARC-T2+ on-line
77 1414 MHz SUNW,UltraSPARC-T2+ on-line
78 1414 MHz SUNW,UltraSPARC-T2+ on-line
79 1414 MHz SUNW,UltraSPARC-T2+ on-line
80 1414 MHz SUNW,UltraSPARC-T2+ on-line
81 1414 MHz SUNW,UltraSPARC-T2+ on-line
82 1414 MHz SUNW,UltraSPARC-T2+ on-line
83 1414 MHz SUNW,UltraSPARC-T2+ on-line
84 1414 MHz SUNW,UltraSPARC-T2+ on-line
85 1414 MHz SUNW,UltraSPARC-T2+ on-line
86 1414 MHz SUNW,UltraSPARC-T2+ on-line
87 1414 MHz SUNW,UltraSPARC-T2+ on-line
88 1414 MHz SUNW,UltraSPARC-T2+ on-line
89 1414 MHz SUNW,UltraSPARC-T2+ on-line
90 1414 MHz SUNW,UltraSPARC-T2+ on-line
91 1414 MHz SUNW,UltraSPARC-T2+ on-line
92 1414 MHz SUNW,UltraSPARC-T2+ on-line
93 1414 MHz SUNW,UltraSPARC-T2+ on-line
94 1414 MHz SUNW,UltraSPARC-T2+ on-line
95 1414 MHz SUNW,UltraSPARC-T2+ on-line
96 1414 MHz SUNW,UltraSPARC-T2+ on-line
97 1414 MHz SUNW,UltraSPARC-T2+ on-line
98 1414 MHz SUNW,UltraSPARC-T2+ on-line
99 1414 MHz SUNW,UltraSPARC-T2+ on-line
100 1414 MHz SUNW,UltraSPARC-T2+ on-line
101 1414 MHz SUNW,UltraSPARC-T2+ on-line
102 1414 MHz SUNW,UltraSPARC-T2+ on-line
103 1414 MHz SUNW,UltraSPARC-T2+ on-line
104 1414 MHz SUNW,UltraSPARC-T2+ on-line
105 1414 MHz SUNW,UltraSPARC-T2+ on-line
106 1414 MHz SUNW,UltraSPARC-T2+ on-line
107 1414 MHz SUNW,UltraSPARC-T2+ on-line
108 1414 MHz SUNW,UltraSPARC-T2+ on-line
109 1414 MHz SUNW,UltraSPARC-T2+ on-line
110 1414 MHz SUNW,UltraSPARC-T2+ on-line
111 1414 MHz SUNW,UltraSPARC-T2+ on-line
112 1414 MHz SUNW,UltraSPARC-T2+ on-line
113 1414 MHz SUNW,UltraSPARC-T2+ on-line
114 1414 MHz SUNW,UltraSPARC-T2+ on-line
115 1414 MHz SUNW,UltraSPARC-T2+ on-line
116 1414 MHz SUNW,UltraSPARC-T2+ on-line
117 1414 MHz SUNW,UltraSPARC-T2+ on-line
118 1414 MHz SUNW,UltraSPARC-T2+ on-line
119 1414 MHz SUNW,UltraSPARC-T2+ on-line
120 1414 MHz SUNW,UltraSPARC-T2+ on-line
121 1414 MHz SUNW,UltraSPARC-T2+ on-line
122 1414 MHz SUNW,UltraSPARC-T2+ on-line
123 1414 MHz SUNW,UltraSPARC-T2+ on-line
124 1414 MHz SUNW,UltraSPARC-T2+ on-line
125 1414 MHz SUNW,UltraSPARC-T2+ on-line
126 1414 MHz SUNW,UltraSPARC-T2+ on-line
127 1414 MHz SUNW,UltraSPARC-T2+ on-line