By: David Kanter (dkanter.delete@this.realworldtech.com), July 12, 2020 6:13 pm
Room: Moderated Discussions
I did some analysis a while back that might useful to share here.
8.0 mm2 SKL core
0.9 mm2 AVX512
2.0 mm2 1MB L2$
2.4 mm2 1.375MB L3$
0.4 mm2 Snoop filter
2.0 mm2 caching and home agent
2.2 mm2 FIVR, PLLs
0.4 mm2 Mystery block
18.0 mm2 Total SKL-SP tile
So AVX512 is about 5% of the tile area, the tiles are 72% of the total area of SKL-SP.
If you removed AVX512 you'd save 28mm2 for the whole chip, which would let you add at most 2 tiles.
In that vein, it seems like a pretty reasonable trade-off.
David
8.0 mm2 SKL core
0.9 mm2 AVX512
2.0 mm2 1MB L2$
2.4 mm2 1.375MB L3$
0.4 mm2 Snoop filter
2.0 mm2 caching and home agent
2.2 mm2 FIVR, PLLs
0.4 mm2 Mystery block
18.0 mm2 Total SKL-SP tile
So AVX512 is about 5% of the tile area, the tiles are 72% of the total area of SKL-SP.
If you removed AVX512 you'd save 28mm2 for the whole chip, which would let you add at most 2 tiles.
In that vein, it seems like a pretty reasonable trade-off.
David
Topic | Posted By | Date |
---|---|---|
Skylake-SP area breakdown | David Kanter | 2020/07/12 06:13 PM |
Skylake-SP area breakdown | anon2 | 2020/07/12 07:01 PM |
Skylake-SP area breakdown | Travis Downs | 2020/07/12 08:02 PM |
Skylake-SP area breakdown | anon | 2020/07/12 08:44 PM |
Skylake-SP area breakdown | Travis Downs | 2020/07/12 08:03 PM |
Skylake-SP area breakdown | David Kanter | 2020/07/12 08:20 PM |
To elaborate | David Kanter | 2020/07/12 08:22 PM |
To elaborate | Travis Downs | 2020/07/13 07:03 AM |
To elaborate | Anon | 2020/07/13 07:36 AM |
To elaborate | Adrian | 2020/07/13 01:45 PM |
To elaborate | Anon | 2020/07/13 02:06 PM |
To elaborate | Chester | 2020/07/13 08:30 PM |
Alternatives Implementations | Kyle Siefring | 2020/07/13 06:02 PM |
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Alternatives Implementations | Maynard Handley | 2020/07/13 10:37 PM |
Alternatives Implementations | Doug S | 2020/07/13 11:25 PM |
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Alternatives Implementations | tarlinian | 2020/07/14 08:22 AM |
Alternatives Implementations | Doug S | 2020/07/14 10:03 AM |
Alternatives Implementations | Maynard Handley | 2020/07/14 10:12 AM |
Alternatives Implementations | Maynard Handley | 2020/07/14 10:10 AM |
Alternatives Implementations | Doug S | 2020/07/14 10:47 AM |
Alternatives Implementations | Brett | 2020/07/14 01:38 PM |
Alternatives Implementations | tarlinian | 2020/07/14 02:30 PM |