mixbench opencl で測定しました.
A6000 は 165W に powerlimit しています.
おおむね 0.55 Tflops でした(ECC off). 3090 も大体同等の値でした.
従って両方とも fp64 性能は fp32 の 1/64 になります.
Ampere 世代で倍精度を求めるのであれば A100(10 TF), A30(5 TF)にしましょう.
------------------------ Device specifications ------------------------
Platform: NVIDIA CUDA
Device: RTX A6000/NVIDIA Corporation
Driver version: 460.32.03
Address bits: 64
GPU clock rate: 1800 MHz
Total global mem: 48677 MB
Max allowed buffer: 12169 MB
OpenCL version: OpenCL 1.2 CUDA
Total CUs: 84
-----------------------------------------------------------------------
Buffer size: 64MB
Workgroup size: 256
Workitem stride: NDRange
Buffer allocation: Device allocated
Timer: CL event based
Warning: Half precision computations are not supported
Loading kernel source file...
Precompilation of kernels... [>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>]
----------------------------------------------------------------------------- CSV data -----------------------------------------------------------------------------
Experiment ID, Single Precision ops,,,, Double precision ops,,,, Half precision ops,,,, Integer operations,,,
Compute iters, Flops/byte, ex.time, GFLOPS, GB/sec, Flops/byte, ex.time, GFLOPS, GB/sec, Flops/byte, ex.time, GFLOPS, GB/sec, Iops/byte, ex.time, GIOPS, GB/sec
0, 0.000, 10.86, 0.00, 790.86, 0.000, 24.21, 0.00, 709.73, 0.000, 0.00, -nan, inf, 0.000, 10.14, 0.00, 847.08
1, 0.129, 9.25, 116.03, 899.25, 0.065, 23.27, 46.15, 715.36, 0.258, 0.00, inf, inf, 0.129, 8.80, 122.00, 945.49
2, 0.267, 9.01, 238.34, 893.78, 0.133, 22.21, 96.69, 725.16, 0.533, 0.00, inf, inf, 0.267, 8.86, 242.45, 909.17
3, 0.414, 7.72, 417.26,1008.38, 0.207, 21.65, 148.79, 719.16, 0.828, 0.00, inf, inf, 0.414, 8.28, 389.03, 940.17
4, 0.571, 7.87, 545.64, 954.86, 0.286, 20.60, 208.49, 729.70, 1.143, 0.00, inf, inf, 0.571, 7.79, 551.59, 965.29
5, 0.741, 6.71, 799.59,1079.44, 0.370, 23.47, 228.72, 617.54, 1.481, 0.00, inf, inf, 0.741, 6.71, 800.56,1080.76
6, 0.923, 8.08, 797.70, 864.17, 0.462, 19.96, 322.75, 699.30, 1.846, 0.00, inf, inf, 0.923, 6.90, 933.74,1011.55
7, 1.120, 5.68, 1323.72,1181.89, 0.560, 18.34, 409.92, 732.00, 2.240, 0.00, inf, inf, 1.120, 5.68, 1322.53,1180.83
8, 1.333, 5.29, 1623.81,1217.86, 0.667, 18.19, 472.20, 708.30, 2.667, 0.00, inf, inf, 1.333, 5.43, 1580.97,1185.72
9, 1.565, 4.72, 2047.56,1308.16, 0.783, 19.13, 505.15, 645.47, 3.130, 0.00, inf, inf, 1.565, 4.80, 2011.76,1285.29
10, 1.818, 4.23, 2535.85,1394.72, 0.909, 20.95, 512.58, 563.83, 3.636, 0.00, inf, inf, 1.818, 4.34, 2474.81,1361.14
11, 2.095, 3.92, 3015.51,1439.22, 1.048, 22.34, 528.66, 504.63, 4.190, 0.00, inf, inf, 2.095, 3.80, 3111.50,1485.03
12, 2.400, 3.73, 3456.84,1440.35, 1.200, 24.44, 527.23, 439.36, 4.800, 0.00, inf, inf, 2.400, 3.60, 3583.85,1493.27
13, 2.737, 3.21, 4344.01,1587.23, 1.368, 25.93, 538.26, 393.35, 5.474, 0.00, inf, inf, 2.737, 3.40, 4108.46,1501.17
14, 3.111, 2.94, 5113.28,1643.55, 1.556, 27.60, 544.70, 350.16, 6.222, 0.00, inf, inf, 3.111, 3.18, 4727.88,1519.68
15, 3.529, 2.65, 6080.02,1722.67, 1.765, 29.12, 553.09, 313.42, 7.059, 0.00, inf, inf, 3.529, 3.26, 4941.45,1400.08
16, 4.000, 5.49, 3127.74, 781.94, 2.000, 30.98, 554.56, 277.28, 8.000, 0.00, inf, inf, 4.000, 5.60, 3068.25, 767.06
17, 4.533, 4.48, 4075.40, 898.98, 2.267, 32.82, 556.20, 245.38, 9.067, 0.00, inf, inf, 4.533, 4.62, 3948.15, 870.92
18, 5.143, 4.45, 4340.93, 844.07, 2.571, 40.83, 473.40, 184.10, 10.286, 0.00, inf, inf, 5.143, 4.48, 4313.16, 838.67
19, 5.846, 4.24, 4815.76, 823.75, 2.923, 36.69, 556.06, 190.23, 11.692, 0.00, inf, inf, 5.846, 3.97, 5137.43, 878.77
20, 6.667, 3.72, 5774.10, 866.11, 3.333, 38.61, 556.24, 166.87, 13.333, 0.00, inf, inf, 6.667, 3.87, 5546.55, 831.98
21, 7.636, 3.12, 7233.93, 947.30, 3.818, 40.52, 556.47, 145.74, 15.273, 0.00, inf, inf, 7.636, 3.41, 6610.66, 865.68
22, 8.800, 3.70, 6377.85, 724.76, 4.400, 45.50, 519.14, 117.99, 17.600, 0.00, inf, inf, 8.800, 5.17, 4573.43, 519.71
23, 10.222, 2.91, 8474.09, 828.99, 5.111, 46.15, 535.17, 104.71, 20.444, 0.00, inf, inf, 10.222, 3.10, 7972.64, 779.93
24, 12.000, 3.08, 8363.52, 696.96, 6.000, 46.24, 557.26, 92.88, 24.000, 0.00, inf, inf, 12.000, 3.13, 8226.81, 685.57
25, 14.286, 2.43,11051.60, 773.61, 7.143, 48.17, 557.23, 78.01, 28.571, 0.00, inf, inf, 14.286, 2.48,10841.36, 758.89
26, 17.333, 2.43,11474.32, 661.98, 8.667, 50.11, 557.11, 64.28, 34.667, 0.00, inf, inf, 17.333, 2.45,11397.42, 657.54
27, 21.600, 1.73,16762.32, 776.03, 10.800, 52.03, 557.16, 51.59, 43.200, 0.00, inf, inf, 21.600, 1.73,16782.19, 776.95
28, 28.000, 1.78,16922.26, 604.37, 14.000, 53.91, 557.69, 39.83, 56.000, 0.00, inf, inf, 28.000, 1.76,17129.60, 611.77
29, 38.667, 1.00,31092.74, 804.12, 19.333, 55.82, 557.86, 28.85, 77.333, 0.00, inf, inf, 38.667, 1.80,17297.33, 447.34
30, 60.000, 1.00,32160.80, 536.01, 30.000, 57.72, 558.09, 18.60, 120.000, 0.00, inf, inf, 60.000, 1.85,17418.81, 290.31
31, 124.000, 1.00,33203.12, 267.77, 62.000, 59.65, 558.04, 9.00, 248.000, 0.00, inf, inf, 124.000, 1.89,17656.63, 142.39
32, inf, 0.99,34592.20, 0.00, inf, 61.57, 558.09, 0.00, inf, 0.00, inf, -nan, inf, 1.93,17800.76, 0.00
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