Re: [casper] ROACH auto shuts off after 20 mins of running

replacing the power supply. Aaron Parsons 510-406-4322 (cell) On Wed, Dec 27, 2023 at 8:55 AM Tommy Alford wrote: > Hello, we have a ROACH that we use as a correlator. It has been working > great for the last 8 years or so but randomly while running the other day > it shut itself of

Re: [casper] Re: tcpborphserver violates katcp specification

/a/lists.berkeley.edu/d/msgid/casper/af99003f-574f-4593-3a08-995a3dbdbff0%40kiranshila.com > . > > > > -- > https://katfs.kat.ac.za/~marc/ > > -- > You received this message because you are subscribed to the Google Groups " > casper@lists.berkeley.edu" group

Re: [casper] CASPERFPGA and the Great Merge

u. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAE2vkmXCF0ghORuMfU8JG%3DQC5rWBT4XhYomrbsEBUKeP6e9euw%40mail.gmail.com > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAE2vkmXCF0ghORuMfU8JG%3DQC5rWBT4XhYomrbsEBUKeP6e9euw%4

Re: [casper] Quick question about casperfpga

ley.edu/d/msgid/casper/CAKeNqUhkhR4AzyCz8XDODFJkts6zgJsCi7FFtkwg0aVjroDA1Q%40mail.gmail.com > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAKeNqUhkhR4AzyCz8XDODFJkts6zgJsCi7FFtkwg0aVjroDA1Q%40mail.gmail.com?utm_medium=email_source=footer> > . > -- Aaron Parsons 510-406-4322 (c

Re: [casper] FFT biplex_core block

r+unsubscr...@lists.berkeley.edu. > To post to this group, send email to casper@lists.berkeley.edu. > -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 425, UCB -- You received this message because you are subscribed to the Google Groups "casper@lists.berkeley.edu" group. To u

Re: [casper] VEGAS PFB / FFT

The CASPER PFB uses a sample NTAPS times, using a sliding window that jumps by NCHAN time samples. On Mon, Dec 5, 2016 at 7:33 AM Jayanth Chennamangalam wrote: > Hi Richard, > > In the VEGAS LBW modes, a sliding window is implemented. As you've pointed > out, the existence

[casper] Fwd: blurb

...@projectfla.com with an email briefly describing your relevant experience. -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB

Re: [casper] inverse PFB

data and reproducing the original time series. If so, is the code/mdl/yellow block available? Thanks, Jonathan -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB

[casper] Fwd: HERA postdoc position at UC Berkeley

Hi CASPERites, UC Berkeley has finally given me approval to recruit a postdoc for next year to work on PAPER and HERA. Please circulate to anyone you think might be interested! https://aprecruit.berkeley.edu/apply/JPF00544 -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB

Re: [casper] Thesis Request

Detecting the Epoch of Reionization. http://setiathome.berkeley.edu/%7Eaparsons/misc/thesis.pdf is not working. Where can I get a copy of the same ? Thanks! Mugundhan Vijayaraghavan, Int. M.Tech Phd, Gauribidanur Radio Observatory Indian Institute of Astrophysics -- Aaron Parsons 510

Re: [casper] Split pipelined/direct FFT math

results for the in-place FFT. Aaron has a paper http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=arnumber=4840623 on this, but I was hoping for one with more detail. Thanks! Stevo -- Aaron Parsons 510-306-4322 Hearst Field Annex B54, UCB

Re: [casper] FFT compute time

the corner turn in the FFT). you can also put more inputs in parallel, as i mentioned in my previous email, to cut latency down by factors of 2, 4, 8,... best wishes, dan -- Aaron Parsons 510-306-4322 Hearst Field Annex B54, UCB

Re: [casper] Journal

/submission-guidelines someone posted here, could I submit your paper? can guide me? Cheers Katty -- Aaron Parsons 510-306-4322 Hearst Field Annex B54, UCB

Re: [casper] Purpose of FFT-Direct

this is computationally about the same, but saves resources and memory... and is simpler if the size of fft_direct is greater than 2^2. I hope this helps, Luke (and everyone else)! --Ryan Monroe -- Aaron Parsons 510-306-4322 Hearst Field Annex B54, UCB

Re: [casper] Purpose of FFT-Direct

, multi-delay commutator), to distinguish it from streaming FFTs which only process FFT's worth of data at a time. --Ryan On Tue, Mar 12, 2013 at 5:44 PM, Aaron Parsons apars...@astron.berkeley.edu wrote: Hi Ryan, I wrote the various forms of the CASPER FFT, including this one. The broad

Re: [casper] Purpose of FFT-Direct

ay dios mio On Tue, Mar 12, 2013 at 6:40 PM, Ryan Monroe ryan.m.mon...@gmail.comwrote: That makes two of us! Viva la revolution! On 03/12/2013 06:35 PM, Dan Werthimer wrote: it's pretty loud where i'm sitting. -- Aaron Parsons 510-306-4322 Hearst Field Annex B54, UCB

Re: [casper] parallel high bandwidtth FFT from synopsis/synphony

-invented and implemented casper's parameterized parallel FFT, (about a decade after we did): Using the Parallel FFT for Multigigahertz FPGA Signal Processing http://issuu.com/xcelljournal/docs/xcell_journal_issue_82/51?mode=windowviewMode=doublePage dan -- Aaron Parsons 510-306

Re: [casper] number of coefficients needed in PFB and FFT

-- Aaron Parsons 510-306-4322 Hearst Field Annex B54, UCB

[casper] SKA site decision: split

The decision to split the SKA between South Africa and Australia is official: http://www.skatelescope.org/news/dual-site-agreed-square-kilometre-array-telescope/ Low frequency is expected to be sited primarily in Australia, and mid will be primarily in South Africa. -- Aaron Parsons 510-306

Re: [casper] SPEAD examples?

Nov 2010, John Ford wrote: Hi all. Do any of you have any xilinx designs that implement SPEAD protocol packets over 10 GbE? John -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB

Re: [casper] updating CASPER-Corr wiki page

  and then run ldconfig. -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB

[casper] Where does bkexecd go when it dies?

the command line (I think I'm sending the same iterrupt signal), but something's definitely disagreeing with bkexecd. 2) Can bkexecd be restarted without rebooting the entire system? If so, how? There's nothing in /etc/init.d/ to this effect. -- Aaron Parsons 510-406-4322 (cell) Campbell Hall

Re: [casper] ROACH File I/O Bottleneck

different BRAMs etc. If you try to dump the whole DRAM using tcpborphserver's bulkread command, you should achieve something close to 3.5MB/s across the network using the Python KATCP and the wrapper in corr. Jason On 28 Apr 2010, at 08:11, Aaron Parsons wrote: I'm currently only able to read

Re: [casper] ROACH File I/O Bottleneck

or official it is, but I use lowercase 'b' for bit and uppercase 'B' for byte. -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB

Re: [casper] Optimized software registers

if you use a lot of software registers (eg the packetized correlator). These changes apply from svn revision 2945. Cheers, David -- David George Karoo Array Telescope Tel: +27 21 531-7282 Email: david.geo...@ska.ac.za -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB

[casper] CASPER BRAM vector accumulator

It looks like this block is not correctly configured in the library. Volunteers to fix/test? -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB

Re: [casper] CASPER BRAM vector accumulator

. On Apr 7, 2010, at 7:32 AM, Aaron Parsons wrote: It looks like this block is not correctly configured in the library. Volunteers to fix/test? -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB

Re: [casper] CASPER BRAM vector accumulator

it. I've never used Glenn's so can't comment on that one. Jason On 07 Apr 2010, at 10:19, Suraj Gowda wrote: Xilinx style fix: Use Glenn's vector accumulator from the GAVRT library. On Apr 7, 2010, at 7:32 AM, Aaron Parsons wrote: It looks like this block is not correctly configured

Re: [casper] Delays in ADC block have unexpected values

an explanation for this in the CASPER memos, and Jason says he didn't exped the adc block to be set up like this. Does anyone else know why the delays are set up like this? (I'm using the 10.1 tools on otto.eecs.berkeley.edu, in case it helps) Thanks, Jonathan Landon -- Aaron Parsons 510-406

Re: [casper] Logos

. I put up everything I have on the subject at http://casper.berkeley.edu/wiki/Logos Any improvements are welcome (especially ones that incorporate the new 'Collaboration' language)! Regards, Andrew -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB attachment: clogo1.jpg

Re: [casper] Simulink Problems with iBOB Model File

If preloading the library fixes the problem, then the less hackish way of getting it to automatically preload is to add it to the startup.m script in the directory that you launch matlab from. On Sep 14, 2009, at 10:28 PM, Suraj Gowda surajgo...@berkeley.edu wrote: Hi Ron, The

[casper] System Generator: SgGenerateCores.pm error File Exists

/binary_counter_virtex2p_7_0_78a3dd824f4df0df: File exists at C:/Xilinx/10.1/DSP_Tools/sysgen/scripts/SgGenerateCores.pm line 551 but C:\WINDOWS\TEMP is inaccessible to me, and other designs compile without access to it. What am I missing here? -- Aaron Parsons 510-406-4322 (cell) Campbell Hall 523, UCB

Re: [casper] porting pink block map to 10.1

-- Aaron Parsons 510-406-4322 (cell) 787-878-2612 x329 (arecibo office) 787-721-3991 (home)

Re: [casper] Problem with 10.1 digital down converter

let me know if you've seen a problem like this and have an idea as to where to start looking to fix it. I seached the map output to see if anything obvious was being optimized out but didn't find anything. Hope this helps someone, Glenn -- Aaron Parsons 510-406-4322 (cell) 787-878-2612 x329

Re: [casper] Confusion/bug in green FFT block

carefully tonight and see if I can trace down the cross-coupling. Glenn On Thu, Sep 18, 2008 at 6:12 PM, Aaron Parsons apars...@astron.berkeley.edu wrote: Your description of what the FFT block *should* do for n_inputs = 2^0 is correct. Assuming the output has been correctly descrambled

Re: [casper] no clock synthesizer, just a switch for the SMA connector Re: double click on the yellow XSG Core Config block to set the clock options Re: Setting DCM in CASPER

University of California - Berkeley Radio Astronomy Lab 601 Campbell Hall Berkeley, CA 94720-3411 mobile: 510 368 6857 office: 510 642 5509 lab: 510 642 0381 fax: 510 642 3411 email: o...@berkeley.edu -- Aaron Parsons 510-406-4322 (cell) 787-878-2612 x329 (arecibo office) 787-721