我贴一下我的 7800xt 的数据吧。。
[ 811.162631] amdgpu 0000:09:00.0: amdgpu: benchmark test: 4 (VRAM to GTT, buffer size sweep, powers of 2) [ 811.180207] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4 kB from 4 to 2 in 17 ms, throughput: 1920 Mb/s or 240 MB/s [ 811.197748] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8 kB from 4 to 2 in 17 ms, throughput: 3848 Mb/s or 481 MB/s [ 811.214064] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16 kB from 4 to 2 in 16 ms, throughput: 8192 Mb/s or 1024 MB/s [ 811.230223] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32 kB from 4 to 2 in 16 ms, throughput: 16384 Mb/s or 2048 MB/s [ 811.247775] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 64 kB from 4 to 2 in 17 ms, throughput: 30840 Mb/s or 3855 MB/s [ 811.268125] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 128 kB from 4 to 2 in 20 ms, throughput: 52424 Mb/s or 6553 MB/s [ 811.292745] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 256 kB from 4 to 2 in 24 ms, throughput: 87376 Mb/s or 10922 MB/s [ 811.327498] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 512 kB from 4 to 2 in 34 ms, throughput: 123360 Mb/s or 15420 MB/s [ 811.382236] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 1024 kB from 4 to 2 in 54 ms, throughput: 155344 Mb/s or 19418 MB/s [ 811.481174] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 2048 kB from 4 to 2 in 98 ms, throughput: 171192 Mb/s or 21399 MB/s [ 811.655383] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4096 kB from 4 to 2 in 173 ms, throughput: 193952 Mb/s or 24244 MB/s [ 811.981454] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8192 kB from 4 to 2 in 325 ms, throughput: 206488 Mb/s or 25811 MB/s [ 812.610874] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16384 kB from 4 to 2 in 628 ms, throughput: 213720 Mb/s or 26715 MB/s [ 813.845987] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32768 kB from 4 to 2 in 1232 ms, throughput: 217880 Mb/s or 27235 MB/s [ 816.314670] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 65536 kB from 4 to 2 in 2464 ms, throughput: 217880 Mb/s or 27235 MB/s
好像在我笔记本的核显上跑得还更快一些。。(8845h 780m核显 lpddr5x 7500MHz 内存)
[95385.647622] amdgpu 0000:64:00.0: amdgpu: benchmark test: 4 (VRAM to GTT, buffer size sweep, powers of 2)
[95385.671641] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4 kB from 4 to 2 in 23 ms, throughput: 1424 Mb/s or 178 MB/s
[95385.691078] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8 kB from 4 to 2 in 19 ms, throughput: 3448 Mb/s or 431 MB/s
[95385.711633] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16 kB from 4 to 2 in 20 ms, throughput: 6552 Mb/s or 819 MB/s
[95385.740999] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32 kB from 4 to 2 in 29 ms, throughput: 9032 Mb/s or 1129 MB/s
[95385.778058] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 64 kB from 4 to 2 in 36 ms, throughput: 14560 Mb/s or 1820 MB/s
[95385.818570] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 128 kB from 4 to 2 in 40 ms, throughput: 26208 Mb/s or 3276 MB/s
[95385.865177] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 256 kB from 4 to 2 in 46 ms, throughput: 45584 Mb/s or 5698 MB/s
[95385.922745] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 512 kB from 4 to 2 in 57 ms, throughput: 73584 Mb/s or 9198 MB/s
[95385.998629] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 1024 kB from 4 to 2 in 75 ms, throughput: 111848 Mb/s or 13981 MB/s
[95386.085287] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 2048 kB from 4 to 2 in 86 ms, throughput: 195080 Mb/s or 24385 MB/s
[95386.203608] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4096 kB from 4 to 2 in 117 ms, throughput: 286784 Mb/s or 35848 MB/s
[95386.413035] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8192 kB from 4 to 2 in 208 ms, throughput: 322632 Mb/s or 40329 MB/s
[95386.805260] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16384 kB from 4 to 2 in 391 ms, throughput: 343264 Mb/s or 42908 MB/s
[95387.580885] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32768 kB from 4 to 2 in 773 ms, throughput: 347264 Mb/s or 43408 MB/s
[95389.113568] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 65536 kB from 4 to 2 in 1529 ms, throughput: 351120 Mb/s or 43890 MB/s
离线
BRS5672023 说:我贴一下我的 7800xt 的数据吧。。
[ 811.162631] amdgpu 0000:09:00.0: amdgpu: benchmark test: 4 (VRAM to GTT, buffer size sweep, powers of 2) [ 811.180207] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4 kB from 4 to 2 in 17 ms, throughput: 1920 Mb/s or 240 MB/s [ 811.197748] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8 kB from 4 to 2 in 17 ms, throughput: 3848 Mb/s or 481 MB/s [ 811.214064] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16 kB from 4 to 2 in 16 ms, throughput: 8192 Mb/s or 1024 MB/s [ 811.230223] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32 kB from 4 to 2 in 16 ms, throughput: 16384 Mb/s or 2048 MB/s [ 811.247775] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 64 kB from 4 to 2 in 17 ms, throughput: 30840 Mb/s or 3855 MB/s [ 811.268125] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 128 kB from 4 to 2 in 20 ms, throughput: 52424 Mb/s or 6553 MB/s [ 811.292745] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 256 kB from 4 to 2 in 24 ms, throughput: 87376 Mb/s or 10922 MB/s [ 811.327498] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 512 kB from 4 to 2 in 34 ms, throughput: 123360 Mb/s or 15420 MB/s [ 811.382236] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 1024 kB from 4 to 2 in 54 ms, throughput: 155344 Mb/s or 19418 MB/s [ 811.481174] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 2048 kB from 4 to 2 in 98 ms, throughput: 171192 Mb/s or 21399 MB/s [ 811.655383] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4096 kB from 4 to 2 in 173 ms, throughput: 193952 Mb/s or 24244 MB/s [ 811.981454] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8192 kB from 4 to 2 in 325 ms, throughput: 206488 Mb/s or 25811 MB/s [ 812.610874] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16384 kB from 4 to 2 in 628 ms, throughput: 213720 Mb/s or 26715 MB/s [ 813.845987] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32768 kB from 4 to 2 in 1232 ms, throughput: 217880 Mb/s or 27235 MB/s [ 816.314670] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 65536 kB from 4 to 2 in 2464 ms, throughput: 217880 Mb/s or 27235 MB/s
好像在我笔记本的核显上跑得还更快一些。。(8845h 780m核显 lpddr5x 7500MHz 内存)
[95385.647622] amdgpu 0000:64:00.0: amdgpu: benchmark test: 4 (VRAM to GTT, buffer size sweep, powers of 2) [95385.671641] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4 kB from 4 to 2 in 23 ms, throughput: 1424 Mb/s or 178 MB/s [95385.691078] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8 kB from 4 to 2 in 19 ms, throughput: 3448 Mb/s or 431 MB/s [95385.711633] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16 kB from 4 to 2 in 20 ms, throughput: 6552 Mb/s or 819 MB/s [95385.740999] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32 kB from 4 to 2 in 29 ms, throughput: 9032 Mb/s or 1129 MB/s [95385.778058] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 64 kB from 4 to 2 in 36 ms, throughput: 14560 Mb/s or 1820 MB/s [95385.818570] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 128 kB from 4 to 2 in 40 ms, throughput: 26208 Mb/s or 3276 MB/s [95385.865177] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 256 kB from 4 to 2 in 46 ms, throughput: 45584 Mb/s or 5698 MB/s [95385.922745] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 512 kB from 4 to 2 in 57 ms, throughput: 73584 Mb/s or 9198 MB/s [95385.998629] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 1024 kB from 4 to 2 in 75 ms, throughput: 111848 Mb/s or 13981 MB/s [95386.085287] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 2048 kB from 4 to 2 in 86 ms, throughput: 195080 Mb/s or 24385 MB/s [95386.203608] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4096 kB from 4 to 2 in 117 ms, throughput: 286784 Mb/s or 35848 MB/s [95386.413035] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8192 kB from 4 to 2 in 208 ms, throughput: 322632 Mb/s or 40329 MB/s [95386.805260] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16384 kB from 4 to 2 in 391 ms, throughput: 343264 Mb/s or 42908 MB/s [95387.580885] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32768 kB from 4 to 2 in 773 ms, throughput: 347264 Mb/s or 43408 MB/s [95389.113568] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 65536 kB from 4 to 2 in 1529 ms, throughput: 351120 Mb/s or 43890 MB/s
我理解下来核显和CPU在一起的,速度肯定是最快的。话说你的7800xt用的外置显卡坞呢?还是直接台式PC插的PCIEx16槽?如果是显卡坞,方便说一下是啥型号不?
离线
BRS5672023 说:BRS5672023 说:我贴一下我的 7800xt 的数据吧。。
[ 811.162631] amdgpu 0000:09:00.0: amdgpu: benchmark test: 4 (VRAM to GTT, buffer size sweep, powers of 2) [ 811.180207] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4 kB from 4 to 2 in 17 ms, throughput: 1920 Mb/s or 240 MB/s [ 811.197748] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8 kB from 4 to 2 in 17 ms, throughput: 3848 Mb/s or 481 MB/s [ 811.214064] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16 kB from 4 to 2 in 16 ms, throughput: 8192 Mb/s or 1024 MB/s [ 811.230223] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32 kB from 4 to 2 in 16 ms, throughput: 16384 Mb/s or 2048 MB/s [ 811.247775] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 64 kB from 4 to 2 in 17 ms, throughput: 30840 Mb/s or 3855 MB/s [ 811.268125] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 128 kB from 4 to 2 in 20 ms, throughput: 52424 Mb/s or 6553 MB/s [ 811.292745] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 256 kB from 4 to 2 in 24 ms, throughput: 87376 Mb/s or 10922 MB/s [ 811.327498] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 512 kB from 4 to 2 in 34 ms, throughput: 123360 Mb/s or 15420 MB/s [ 811.382236] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 1024 kB from 4 to 2 in 54 ms, throughput: 155344 Mb/s or 19418 MB/s [ 811.481174] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 2048 kB from 4 to 2 in 98 ms, throughput: 171192 Mb/s or 21399 MB/s [ 811.655383] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4096 kB from 4 to 2 in 173 ms, throughput: 193952 Mb/s or 24244 MB/s [ 811.981454] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8192 kB from 4 to 2 in 325 ms, throughput: 206488 Mb/s or 25811 MB/s [ 812.610874] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16384 kB from 4 to 2 in 628 ms, throughput: 213720 Mb/s or 26715 MB/s [ 813.845987] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32768 kB from 4 to 2 in 1232 ms, throughput: 217880 Mb/s or 27235 MB/s [ 816.314670] amdgpu 0000:09:00.0: amdgpu: amdgpu: dma 1024 bo moves of 65536 kB from 4 to 2 in 2464 ms, throughput: 217880 Mb/s or 27235 MB/s
好像在我笔记本的核显上跑得还更快一些。。(8845h 780m核显 lpddr5x 7500MHz 内存)
[95385.647622] amdgpu 0000:64:00.0: amdgpu: benchmark test: 4 (VRAM to GTT, buffer size sweep, powers of 2) [95385.671641] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4 kB from 4 to 2 in 23 ms, throughput: 1424 Mb/s or 178 MB/s [95385.691078] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8 kB from 4 to 2 in 19 ms, throughput: 3448 Mb/s or 431 MB/s [95385.711633] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16 kB from 4 to 2 in 20 ms, throughput: 6552 Mb/s or 819 MB/s [95385.740999] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32 kB from 4 to 2 in 29 ms, throughput: 9032 Mb/s or 1129 MB/s [95385.778058] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 64 kB from 4 to 2 in 36 ms, throughput: 14560 Mb/s or 1820 MB/s [95385.818570] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 128 kB from 4 to 2 in 40 ms, throughput: 26208 Mb/s or 3276 MB/s [95385.865177] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 256 kB from 4 to 2 in 46 ms, throughput: 45584 Mb/s or 5698 MB/s [95385.922745] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 512 kB from 4 to 2 in 57 ms, throughput: 73584 Mb/s or 9198 MB/s [95385.998629] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 1024 kB from 4 to 2 in 75 ms, throughput: 111848 Mb/s or 13981 MB/s [95386.085287] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 2048 kB from 4 to 2 in 86 ms, throughput: 195080 Mb/s or 24385 MB/s [95386.203608] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 4096 kB from 4 to 2 in 117 ms, throughput: 286784 Mb/s or 35848 MB/s [95386.413035] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 8192 kB from 4 to 2 in 208 ms, throughput: 322632 Mb/s or 40329 MB/s [95386.805260] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 16384 kB from 4 to 2 in 391 ms, throughput: 343264 Mb/s or 42908 MB/s [95387.580885] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 32768 kB from 4 to 2 in 773 ms, throughput: 347264 Mb/s or 43408 MB/s [95389.113568] amdgpu 0000:64:00.0: amdgpu: amdgpu: dma 1024 bo moves of 65536 kB from 4 to 2 in 1529 ms, throughput: 351120 Mb/s or 43890 MB/s
我理解下来核显和CPU在一起的,速度肯定是最快的。话说你的7800xt用的外置显卡坞呢?还是直接台式PC插的PCIEx16槽?如果是显卡坞,方便说一下是啥型号不?
台式机直插的显卡
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