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Old 2018-05-23, 00:08   #386
kriesel
 
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"TF79LL86GIMPS96gpu17"
Mar 2017
US midwest

593310 Posts
Default gpuOwL on RX-480

Code:
gpuOwL v2.0- GPU Mersenne primality checker
Ellesmere-36x1266-@28:0.0 Radeon (TM) RX 480 Graphics
Note: using long carry and fused tail kernels
OpenCL compilation in 1606 ms, with " -DEXP=83871443u  -I. -cl-fast-relaxed-math -cl-kernel-arg-info "
PRP-3: FFT 5000K (625 * 4096 * 2) of 83871443 (16.38 bits/word) [2018-05-22 18:30:12 Central Daylight Time]
Starting at iteration 3391500
OK  3391500 / 83871443 [ 4.04%], 0.00 ms/it [0.00, 0.00], check 4.80s; ETA 0d 00:00; 5188fd46df3cb580 [18:30:18]
OK  3392000 / 83871443 [ 4.04%], 5.18 ms/it [5.18, 5.18], check 4.73s; ETA 4d 19:45; 71a58007ca04e5f0 [18:30:26]
OK  3394000 / 83871443 [ 4.05%], 5.14 ms/it [5.12, 5.15], check 4.73s; ETA 4d 18:54; b54a931ac82e17f4 [18:30:41]
OK  3395000 / 83871443 [ 4.05%], 5.16 ms/it [5.15, 5.18], check 4.73s; ETA 4d 19:25; 2ecd625c5ac3d167 [18:30:51]
OK  3400000 / 83871443 [ 4.05%], 5.26 ms/it [5.15, 6.21], check 4.71s; ETA 4d 21:35; 395e3747e24d13c1 [18:31:22]
OK  3410000 / 83871443 [ 4.07%], 5.21 ms/it [5.16, 6.21], check 4.71s; ETA 4d 20:33; 4ed4f275d67bab43 [18:32:18]
Code:
gpuOwL v1.9- GPU Mersenne primality checker
Radeon (TM) RX 480 Graphics 36 @28:0.0, Ellesmere 1266MHz

OpenCL compilation in 2948 ms, with "-I. -cl-fast-relaxed-math -cl-std=CL2.0  -DEXP=152500021u -DWIDTH=2048u -DHEIGHT=2048u -DLOG_NWORDS=23u -DFP_DP=1 "
PRP-3: FFT 8M (2048 * 2048 * 2) of 152500021 (18.18 bits/word) [2018-05-22 18:05:31 Central Daylight Time]
Starting at iteration 33568000
OK 33568000 / 152500021 [22.01%], 0.00 ms/it; ETA 0d 00:00; b68cd3e37955c5c6 [18:05:39]
OK 33569000 / 152500021 [22.01%], 6.46 ms/it [6.46, 6.46] CV 0.0%, check 7.53s; ETA 8d 21:21; eb70e9f8dc16ca48 [18:05:53]
OK 33570000 / 152500021 [22.01%], 6.47 ms/it [6.46, 6.49] CV 0.3%, check 6.68s; ETA 8d 21:51; e52284b737f8d3e7 [18:06:07]
OK 33575000 / 152500021 [22.02%], 6.48 ms/it [6.46, 6.52] CV 0.3%, check 6.88s; ETA 8d 22:02; 25fb1cd868b9cd06 [18:06:46]
OK 33580000 / 152500021 [22.02%], 6.62 ms/it [6.49, 7.67] CV 5.6%, check 6.71s; ETA 9d 02:33; 95456516edd7574e [18:07:26]
For comparison, RX-550 timings were 17.4 and 23.2 ms/it respectively.
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