MIG - 长风

MIG 可以把一个 NVIDIA GPU 当作多块使用（最多七个），划分后每个都是完全独立的，有各自的带宽显存。
可以通过 [[nvidia-smi]] 命令查看显卡是否支持：nvidia-smi mig -lgip，如果支持会有如下输出：
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+-----------------------------------------------------------------------------+
2
| GPU instance profiles:                                                      |
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| GPU   Name             ID    Instances   Memory     P2P    SM    DEC   ENC  |
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|                              Free/Total   GiB              CE    JPEG  OFA  |
5
|=============================================================================|
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|   0  MIG 1g.5gb        19     7/7        4.75       No     14     0     0   |
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|                                                             1     0     0   |
8
+-----------------------------------------------------------------------------+
9
|   0  MIG 1g.5gb+me     20     1/1        4.75       No     14     1     0   |
10
|                                                             1     1     1   |
11
+-----------------------------------------------------------------------------+
12
|   0  MIG 1g.10gb       15     4/4        9.75       No     14     1     0   |
13
|                                                             1     0     0   |
14
+-----------------------------------------------------------------------------+
15
|   0  MIG 2g.10gb       14     3/3        9.75       No     28     1     0   |
16
|                                                             2     0     0   |
17
+-----------------------------------------------------------------------------+
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|   0  MIG 3g.20gb        9     2/2        19.62      No     42     2     0   |
19
|                                                             3     0     0   |
20
+-----------------------------------------------------------------------------+
21
|   0  MIG 4g.20gb        5     1/1        19.62      No     56     2     0   |
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|                                                             4     0     0   |
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+-----------------------------------------------------------------------------+
24
|   0  MIG 7g.40gb        0     1/1        39.38      No     98     5     0   |
25
|                                                             7     1     1   |
26
+-----------------------------------------------------------------------------+
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|   1  MIG 1g.5gb        19     7/7        4.75       No     14     0     0   |
28
|                                                             1     0     0   |
29
+-----------------------------------------------------------------------------+
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|   1  MIG 1g.5gb+me     20     1/1        4.75       No     14     1     0   |
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|                                                             1     1     1   |
32
+-----------------------------------------------------------------------------+
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|   1  MIG 1g.10gb       15     4/4        9.75       No     14     1     0   |
34
|                                                             1     0     0   |
35
+-----------------------------------------------------------------------------+
36
|   1  MIG 2g.10gb       14     3/3        9.75       No     28     1     0   |
37
|                                                             2     0     0   |
38
+-----------------------------------------------------------------------------+
39
|   1  MIG 3g.20gb        9     2/2        19.62      No     42     2     0   |
40
|                                                             3     0     0   |
41
+-----------------------------------------------------------------------------+
42
|   1  MIG 4g.20gb        5     1/1        19.62      No     56     2     0   |
43
|                                                             4     0     0   |
44
+-----------------------------------------------------------------------------+
45
|   1  MIG 7g.40gb        0     1/1        39.38      No     98     5     0   |
46
|                                                             7     1     1   |
47
+-----------------------------------------------------------------------------+
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|   2  MIG 1g.5gb        19     7/7        4.75       No     14     0     0   |
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|                                                             1     0     0   |
50
+-----------------------------------------------------------------------------+
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|   2  MIG 1g.5gb+me     20     1/1        4.75       No     14     1     0   |
52
|                                                             1     1     1   |
53
+-----------------------------------------------------------------------------+
54
|   2  MIG 1g.10gb       15     4/4        9.75       No     14     1     0   |
55
|                                                             1     0     0   |
56
+-----------------------------------------------------------------------------+
57
|   2  MIG 2g.10gb       14     3/3        9.75       No     28     1     0   |
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|                                                             2     0     0   |
59
+-----------------------------------------------------------------------------+
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|   2  MIG 3g.20gb        9     2/2        19.62      No     42     2     0   |
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|                                                             3     0     0   |
62
+-----------------------------------------------------------------------------+
63
|   2  MIG 4g.20gb        5     1/1        19.62      No     56     2     0   |
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|                                                             4     0     0   |
65
+-----------------------------------------------------------------------------+
66
|   2  MIG 7g.40gb        0     1/1        39.38      No     98     5     0   |
67
|                                                             7     1     1   |
68
+-----------------------------------------------------------------------------+
69
|   3  MIG 1g.5gb        19     7/7        4.75       No     14     0     0   |
70
|                                                             1     0     0   |
71
+-----------------------------------------------------------------------------+
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|   3  MIG 1g.5gb+me     20     1/1        4.75       No     14     1     0   |
73
|                                                             1     1     1   |
74
+-----------------------------------------------------------------------------+
75
|   3  MIG 1g.10gb       15     4/4        9.75       No     14     1     0   |
76
|                                                             1     0     0   |
77
+-----------------------------------------------------------------------------+
78
|   3  MIG 2g.10gb       14     3/3        9.75       No     28     1     0   |
79
|                                                             2     0     0   |
80
+-----------------------------------------------------------------------------+
81
|   3  MIG 3g.20gb        9     2/2        19.62      No     42     2     0   |
82
|                                                             3     0     0   |
83
+-----------------------------------------------------------------------------+
84
|   3  MIG 4g.20gb        5     1/1        19.62      No     56     2     0   |
85
|                                                             4     0     0   |
86
+-----------------------------------------------------------------------------+
87
|   3  MIG 7g.40gb        0     1/1        39.38      No     98     5     0   |
88
|                                                             7     1     1   |
89
+-----------------------------------------------------------------------------+
另外家用显卡，比如 4090、5090 等都不支持 MIG，也可以在这个页面查看哪些显卡支持：NVIDIA Multi-Instance GPU User Guide .