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I installed Debian 7 (armhf) on my phone within a chroot jail. So I decided to
test out the CPU with Povray 3.6 (so far I'm having issues compiling Povray
3.7). I also compiled a softfp version for comparison. Here are the results:
Debian 7.0(armhf), gcc 4.6, -mhard-float -mcpu=cortex-a9 -march=armv7 -mthumb
-mfpu=neon -funsafe-math-optimizations
Parse Time: 0 hours 0 minutes 4 seconds (4 seconds)
Photon Time: 0 hours 1 minutes 30 seconds (90 seconds)
Render Time: 1 hours 20 minutes 38 seconds (4838 seconds)
Total Time: 1 hours 22 minutes 12 seconds (4932 seconds)
Debian 6.0 (armel), gcc 4.4, -mfloat-abi=softfp -mcpu=cortex-a9
Parse Time: 0 hours 0 minutes 4 seconds (4 seconds)
Photon Time: 0 hours 1 minutes 43 seconds (103 seconds)
Render Time: 1 hours 49 minutes 59 seconds (6599 seconds)
Total Time: 1 hours 51 minutes 46 seconds (6706 seconds)
Here are some results compared to other processors:
Ordered by pps:
Core i5 2400S (2.5 GHz): 235.177 pps ; 94.07 pps/GHz
Athlon II x4 (2.8 GHz): 179.82 pps ; 64.22 pps/GHz
Celeron 220 (1.2 GHz): 81.15 pps ; 67.62 pps/GHz
Pentium 4m (1.5 GHz): 36.24 pps ; 24.16 pps/GHz
Exynos 4210 (1.2 GHz): 29.90 pps ; 24.91 pps/GHz (-mfloat-abi=hard)
Atom N270 (1.6 GHz): 28.96 pps ; 18.10 pps/GHz
Exynos 4210 (1.2 GHz): 21.99 pps ; 18.32 pps/GHz (-mfloat-abi=softfp)
PowerPC 750 (700 MHz): 20.47 pps ; 29.25 pps/GHz
Pentium !!! (450 MHz): 12.43 pps ; 27.62 pps/GHz
Ordered by pps/GHz:
Core i5 2400S (2.5 GHz): 235.177 pps ; 94.07 pps/GHz
Celeron 220 (1.2 GHz): 81.15 pps ; 67.62 pps/GHz
Athlon II x4 (2.8 GHz): 179.82 pps ; 64.22 pps/GHz
PowerPC 750 (700 MHz): 20.47 pps ; 29.25 pps/GHz
Pentium !!! (450 MHz): 12.43 pps ; 27.62 pps/GHz
Exynos 4210 (1.2 GHz): 29.90 pps ; 24.91 pps/GHz (-mfloat-abi=hard)
Pentium 4m (1.5 GHz): 36.24 pps ; 24.16 pps/GHz
Exynos 4210 (1.2 GHz): 21.99 pps ; 18.32 pps/GHz (-mfloat-abi=softfp)
Atom N270 (1.6 GHz): 28.96 pps ; 18.10 pps/GHz
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