Hi, [email protected] wrote: >I have just tried this on my PS3 but during the running of the >MacLucasFFTW program, `spu-top` or `ls /spu` doesn't show any >activity. >PPU on the other hand is 100% busy. Are we really using the SPUs here ?
# cat /etc/fedora-release Fedora release 9 (Sulphur) # /opt/cell/cellsdk -V IBM Cell Broadband Engine SDK 3.1.0-0.0 # uname -a Linux PS3 2.6.27.21-78.2.41.fc9.ppc64 #1 SMP Mon Mar 23 23:13:15 EDT 2009 ppc64 ppc64 ppc64 GNU/Linux # ls /spu/ [r...@ps3 lucas]# time ./MacLucasFFTW 216091 & [2] 25331 # ls /spu/ spethread-25332-269250568 spethread-25332-269254472 spethread-25332-269255304 spethread-25332-269254408 spethread-25332-269254888 spethread-25332-269255656 # spu-top: Context View Cpu(s) load avg: 0.72, 0.46, 0.52 Spu(s) load avg: 0.48, 0.60, 1.59 Cpu(s): 0.2%us, 2.0%sys, 0.0%wait, 48.9%nice, 48.9%idle Spu(s):100.0%us, 0.0%sys, 0.0%wait, 0.0%idle PID TID USERNAME S F %SPU SPE TIME BINARY 25332 25338 root U 0.2 0 3.322 MacLucasFFTW 25332 25337 root U 0.2 1 3.325 MacLucasFFTW 25332 25336 root U 0.2 2 3.328 MacLucasFFTW 25332 25335 root U 0.2 3 3.331 MacLucasFFTW 25332 25334 root U 0.2 4 3.334 MacLucasFFTW 25332 25333 root U 0.2 5 3.337 MacLucasFFTW http://www.fftw.org/cell/index.html To enable support for Cell in double precision: configure --enable-cell make make install ./configure make PPU only fftw. .. . . . . . . . . . Shoichiro Yamada [email protected] _______________________________________________ Prime mailing list [email protected] http://hogranch.com/mailman/listinfo/prime
