Thread: mlucas on sun
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Old 2004-01-07, 09:30   #10
delta_t
 
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Nov 2002
Anchorage, AK

5458 Posts
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Here's the runtime-profiled version.
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# mlucas.cfg - after profiling
# compile flags: cc -xarch=native -xcache=64/32/4:8192/512/2 -dalign -fsimple=2 -fns -fsingle -xbuiltin=%all -xlibmil -Bstatic -xO5 -xsafe=mem -xprefetch -xprofile=use:Mlucas *.c -lm -o Mlucas
# system 8-way Sun Fire 4800 Solaris 9
1000000000
# Following lines: {FFT length(K) | Radix Set Index} # Best time
128 1 # 2.68
144 2 # 3.24
160 3 # 3.6
176 2 # 4.12
192 3 # 4.36
224 6 # 5.389
256 5 # 5.809
288 1 # 6.969
320 3 # 8.009
352 2 # 8.75
384 3 # 9.22
416 2 # 10.96
448 3 # 11.529
480 1 # 11.99
512 2 # 12.439
576 0 # 15.529
640 2 # 16.57
704 1 # 20.129
768 2 # 20.449
832 0 # 24.41
896 2 # 24.289
960 1 # 26.85
1024 4 # 25.25
1152 1 # 31.929
1280 1 # 35.24
1408 1 # 42
1536 2 # 46.109
1664 1 # 54.409
1792 1 # 56.149
1920 1 # 1:00.479
2048 3 # 1:02.95
2304 3 # 1:12.409
2560 1 # 1:23.84
2816 2 # 1:38.909
3072 2 # 1:44.469
3328 2 # 1:59.510
3584 1 # 2:10.210
3840 2 # 2:11.699
4096 5 # 2:22.169
4608 3 # 2:45.460
5120 2 # 3:19.870
5632 2 # 3:51.300
6144 1 # 4:01.699
6656 1 # 4:28.350
7168 2 # 4:59.839
7680 1 # 5:22.290
8192 4 # 5:09.470
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