Looks like those were bad values previously. It actually wasn¹t running. Here are new values with it actually working. I also ran a couple of runs at 10x larger.
---------- [lidar@lidarora1 Release]$ time ./laszippertest -n 1000000 Settings: num_points=1000000, use_iostream=false, run_forever=false, use_random=false, user_seed=1297098398 laszipper wrote 70000000 bytes in 0.37 seconds SUCCESS: lasunzipper read 70000000 bytes in 0.23 seconds laszipper wrote 38271321 bytes in 1.32 seconds SUCCESS: lasunzipper read 38271321 bytes in 1.75 seconds Finished 1 runs real 0m3.697s user 0m3.456s sys 0m0.225s [lidar@lidarora1 Release]$ time ./laszippertest -n 1000000 Settings: num_points=1000000, use_iostream=false, run_forever=false, use_random=false, user_seed=1297098404 laszipper wrote 70000000 bytes in 0.36 seconds SUCCESS: lasunzipper read 70000000 bytes in 0.23 seconds laszipper wrote 38271321 bytes in 1.31 seconds SUCCESS: lasunzipper read 38271321 bytes in 1.8 seconds Finished 1 runs real 0m4.650s user 0m3.494s sys 0m0.249s [lidar@lidarora1 Release]$ [lidar@lidarora1 Release]$ time ./laszippertest -n 1000000 Settings: num_points=1000000, use_iostream=false, run_forever=false, use_random=false, user_seed=1297098411 laszipper wrote 70000000 bytes in 0.37 seconds SUCCESS: lasunzipper read 70000000 bytes in 0.23 seconds laszipper wrote 38271321 bytes in 1.32 seconds SUCCESS: lasunzipper read 38271321 bytes in 1.72 seconds Finished 1 runs real 0m3.685s user 0m3.450s sys 0m0.221s [lidar@lidarora1 Release]$ time ./laszippertest -n 1000000 -s Settings: num_points=1000000, use_iostream=true, run_forever=false, use_random=false, user_seed=1297098419 laszipper wrote 70000000 bytes in 0.43 seconds SUCCESS: lasunzipper read 70000000 bytes in 0.29 seconds laszipper wrote 38271321 bytes in 1.39 seconds SUCCESS: lasunzipper read 38271321 bytes in 1.86 seconds Finished 1 runs real 0m4.014s user 0m3.701s sys 0m0.297s [lidar@lidarora1 Release]$ time ./laszippertest -n 1000000 -s Settings: num_points=1000000, use_iostream=true, run_forever=false, use_random=false, user_seed=1297098425 laszipper wrote 70000000 bytes in 0.42 seconds SUCCESS: lasunzipper read 70000000 bytes in 0.31 seconds laszipper wrote 38271321 bytes in 1.37 seconds SUCCESS: lasunzipper read 38271321 bytes in 1.91 seconds Finished 1 runs real 0m4.628s user 0m3.714s sys 0m0.343s [lidar@lidarora1 Release]$ time ./laszippertest -n 1000000 -s Settings: num_points=1000000, use_iostream=true, run_forever=false, use_random=false, user_seed=1297098431 laszipper wrote 70000000 bytes in 0.42 seconds SUCCESS: lasunzipper read 70000000 bytes in 0.3 seconds laszipper wrote 38271321 bytes in 1.38 seconds SUCCESS: lasunzipper read 38271321 bytes in 1.87 seconds Finished 1 runs real 0m4.329s user 0m3.676s sys 0m0.336s [lidar@lidarora1 Release]$ time ./laszippertest -n 10000000 -s Settings: num_points=10000000, use_iostream=true, run_forever=false, use_random=false, user_seed=1297098440 laszipper wrote 700000000 bytes in 4.35 seconds SUCCESS: lasunzipper read 700000000 bytes in 3.09 seconds laszipper wrote 381625423 bytes in 13.82 seconds SUCCESS: lasunzipper read 381625422 bytes in 18.94 seconds Finished 1 runs real 0m41.589s user 0m37.332s sys 0m2.893s [lidar@lidarora1 Release]$ time ./laszippertest -n 10000000 Settings: num_points=10000000, use_iostream=false, run_forever=false, use_random=false, user_seed=1297098486 laszipper wrote 700000000 bytes in 3.73 seconds SUCCESS: lasunzipper read 700000000 bytes in 2.26 seconds laszipper wrote 381625423 bytes in 13.09 seconds SUCCESS: lasunzipper read 381625422 bytes in 17.1 seconds Finished 1 runs real 0m38.447s user 0m34.003s sys 0m2.403s On 2/7/11 12:02 PM, "Michael P. Gerlek" <[email protected]> wrote: > Your box is too fast. :-( > > Could you maybe do the runs again, but with ³n 100000000² (100x larger)? > > -mpg > > > > From: Smith, Michael ERDC-CRREL-NH [mailto:[email protected]] > Sent: Saturday, February 05, 2011 4:48 AM > To: [email protected]; [email protected] > Subject: Re: [Liblas-devel] I/O performance? -- your help requested! > > lidar@lidarora1 tmp]$ uname -a > Linux lidarora1 2.6.32-100.0.19.el5 #1 SMP Fri Sep 17 17:51:41 EDT 2010 x86_64 > x86_64 x86_64 GNU/Linux > > 2 CPU, 4cores/cpu + hyperthreading = 16 virtual cores > > processor : 15 > vendor_id : GenuineIntel > cpu family : 6 > model : 26 > model name : Intel(R) Xeon(R) CPU X5570 @ 2.93GHz > stepping : 5 > cpu MHz : 1600.000 > cache size : 8192 KB > > > > [lidar@lidarora1 tmp]$ time laszippertest -n 1000000 > (skipping range coder test) > laszipper1 wrote 7000000 bytes in 0.03 seconds > laszipper2 wrote 3898142 bytes in 0.13 seconds > SUCCESS: lasunzipper1 read 7000000 bytes in 0.02 seconds > SUCCESS: lasunzipper2 read 3898142 bytes in 0.18 seconds > > real 0m0.379s > user 0m0.349s > sys 0m0.029s > [lidar@lidarora1 tmp]$ time laszippertest -n 1000000 > (skipping range coder test) > laszipper1 wrote 7000000 bytes in 0.03 seconds > laszipper2 wrote 3898142 bytes in 0.13 seconds > SUCCESS: lasunzipper1 read 7000000 bytes in 0.02 seconds > SUCCESS: lasunzipper2 read 3898142 bytes in 0.17 seconds > > real 0m0.366s > user 0m0.336s > sys 0m0.029s > [lidar@lidarora1 tmp]$ time laszippertest -n 1000000 > (skipping range coder test) > laszipper1 wrote 7000000 bytes in 0.03 seconds > laszipper2 wrote 3898142 bytes in 0.13 seconds > SUCCESS: lasunzipper1 read 7000000 bytes in 0.02 seconds > SUCCESS: lasunzipper2 read 3898142 bytes in 0.16 seconds > > real 0m0.366s > user 0m0.338s > sys 0m0.026s > [lidar@lidarora1 tmp]$ time laszippertest -n 1000000 -s > (skipping range coder test) > laszipper1 wrote 7000000 bytes in 0.03 seconds > laszipper2 wrote 3898142 bytes in 0.13 seconds > SUCCESS: lasunzipper1 read 7000000 bytes in 0.02 seconds > SUCCESS: lasunzipper2 read 3898142 bytes in 0.16 seconds > > real 0m0.364s > user 0m0.338s > sys 0m0.024s > [lidar@lidarora1 tmp]$ time laszippertest -n 1000000 -s > (skipping range coder test) > laszipper1 wrote 7000000 bytes in 0.03 seconds > laszipper2 wrote 3898142 bytes in 0.13 seconds > SUCCESS: lasunzipper1 read 7000000 bytes in 0.02 seconds > SUCCESS: lasunzipper2 read 3898142 bytes in 0.17 seconds > > real 0m0.369s > user 0m0.339s > sys 0m0.028s > [lidar@lidarora1 tmp]$ time laszippertest -n 1000000 -s > (skipping range coder test) > laszipper1 wrote 7000000 bytes in 0.03 seconds > laszipper2 wrote 3898142 bytes in 0.13 seconds > SUCCESS: lasunzipper1 read 7000000 bytes in 0.02 seconds > SUCCESS: lasunzipper2 read 3898142 bytes in 0.17 seconds > > real 0m0.364s > user 0m0.335s > sys 0m0.027s > >
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