search for: dedispersion

...o 72's are on channel 1, and the four 146's are on channel 2. Under CentOS 4 with the hardware RAID running, the four 146's (hardware RAID0) have a raw read performance of abut 150MB/s, which I thought was pretty good. Now, the box has dual 3GHz Xeons (it needs them for the pulsar dedispersion algorithm's FFT's, particularly when we refine it to do dedispersion in real-time). With FC5 installed, and the four 146's running software RAID0, I am getting nearly 240MB/s throughput (with other processes running). The box feels significantly more responsive; the GNUradio build...