AD535 | BIOS | Booting | Bootloader | C621 | C6211 | C6415 | C671 | C6711 | C6711DSK | C6713 | CCS | Chassaing | COFF | DAT | DM64 | DM642 | DMA | DSK671 | DSK6711 | EDM | EDMA | EMIF | Emulator | EVM | EVM620 | FFT | FIR | GPIO | Halting | HPI | HWI | IDK | JTAG | LDB | LDH | LDW | Linker | LMS | LOG_printf | Matlab | McBSP | MEM_alloc | MIPS | PCI | PCM3003 | Pipeline | Profiling | QDM | Reset | ROM | RTDX | Sampling | SDRAM | Stack | TEB | THS1206 | TMS320C621 | TMS320C6416 | TMS320C6711 | TMS320C6713 | UART | Vector Table | XBUS | XDS560

PIPELINE STALL IN CCS.

hi, I am fine, hoping the same with you too. I want to know what is pipeline stall.( when we open CCS on the menu column there is profiler, under which is p...

question about pipeline.

Hello,all: There is two loop within one function.I want the compiler to pipeline one,but not another. How do I handle this? thanks in advance. ____________...

Pipeline conflicts on 6711   [2 Articles]

Hi All! Does anyone know where to find a good description of pipeline conflicts on 6711? I remember that there was a good document of this sort for C54x, but I...

Re: Optimizing:Loop contains a call

Hi Bhooshan- > On 7/28/05, wangfeng_scu@wang... wrote: > > Hi, > > I just begin to learn DSP.Now I have a question about optimizing.And I hope to...

understanding software pipeline information   [2 Articles]

Hi, I am trying to understand the software pipeline information provided by the compiler. I could not understand what the compiler means by " Searching for software pipeline ...

CCS Features Wish List?   [5 Articles]

Hi All- After few interactions with some experienced developers during the developers conference, one overwhelming discussion/opinion that surfaced was t...

Question about optimization   [5 Articles]

Hi, 1-I am implementing a loop in assembly for a code that was originally written in C. When I use the C code with the -k, (keep generated assembly files) -mw and -o3 co...

Re: Branch Latency.   [3 Articles]

At 07:14 PM 3/27/2003 +0800, Ramanan S.K. wrote: >Hi DSPers, > >I learnt that c6x DSPs use pipelines for their fetch, decode and execute >steps. The fetch intur...

Re: ccs profiler

Khawar, one does not count the clocks during pipeline stalls, the other does count the clocks during pipeline stalls. R. Williams ---------- Original Message ----------- ...

Interfacing pipeline ADC to 6713 DSK ?

Hello all, I am hoping to make a daughtercard for the 6713 DSK which includes, amongst other things, one of those "analog front ends" from MAxim..the max19705...which has a ...

understand .T address Path in Feedback

Hi DSPies, I have some C codes that I rewrite in linear assembly to get the best performance in terms of cyles count. I'm working with C64. I end up with a .sa having this soft...

RE: loop contains control code   [2 Articles]

Hi Sankaran, I hope you don't mean that the compiler won't generate software pipeline when it doesn't know the number of times the loop will iterate? If yes, t...

Re: Digest Number 816

> Date: Thu, 01 Apr 2004 15:01:07 +0000 > From: "Bhooshan iyer" <> > Subject: RE: Re: Load (LDW/LDH/LDB) Instruction > morevover in another place the docume...

Re: How to understand assembler

Thanks a lot for your idea, I didn\\\'t know this tool, now I will read the documentation provided from ADI. Thanks again for your hint. Talking about the other question t...

Re: relocation overflow and comments

> I understand the problem but I don't know how to > resolve it!, because I write my code in C and not in > ASM. That said, I don't think it would be practi...

Re: SINE AND COSINE OF ANY ANGLE   [2 Articles]

On 25 May 2000, at 19:18, ruben wrote: > Hi, we need a efficient routine to calculate the sin and cos of any > angle(a 32 bits float value) in a TMS320C6701. T...

Undeerstand Software Pipeline Feedback   [4 Articles]

Hi everybody, I'm a novice in using C64x and I need some help understanding the .asm the optimizer generates. I've found some hints on spru198 but I still don't understand some ...

Disqualified loop:loop contains control code   [11 Articles]

Hi, There is a function in my program,which contains some loop codes.The feedback in the asm file reads "Disqualified loop:loop contains control code".The code is shown in the...

RTDX latency   [6 Articles]

Hi everybody. I could finally restructure my code so that both data and code fits in L1 cache. My software pipeline is working perfectly. Thank you all for your help last time....

RE: C6711: FFT without disabling interrupts   [7 Articles]

Jeff Brower wrote : > No one says you have to disable, as long as the FFT is not > working on the same data I am sorry to say that you are totally wrong ...

(No Subject)

>>The problem is that no loop that contains a call >>or another loop can't be optimized. I think the newest version of the compiler (rev 4.0 that came with Code ...

Disqualified loop:loop contains control code

Yes, well, in my limited experience, this sort of problem is contained in the condition itself. The problem is that the compiler has two ways of treating a condition - eit...

problem with o3   [3 Articles]

hi, I have a if else decision loop it looks like as follows if(t!=0) { ...... } else { printf } if no compiler optimization is selected the code w...

restrict command to the compiler   [2 Articles]

Hi all, I am using the C6713, and compiling with -o3 option. While tring to improve the runnig time, I am using the "restrict" command, that tells the compiler: no other ...

Re: Load (LDW/LDH/LDB) Instruction   [8 Articles]

Hello, Let me answer to your questions according to my experience on the C64xx DSPs. It is not exactly the same processor, but similar enough to the one you ar...

Re: CCS software piplining

> Date: Mon, 6 Oct 2003 22:44:07 -0700 (PDT) > From: mahdavi hassan <> > Subject: CCS software piplining > > Hi All, > > I am trying to see "software pip...

Software pipeline - wrong number of cycles   [10 Articles]

Hi everybody, I'm new and glad to be here I am working on a C6713DSK. I wrote a pipelined optimized ASM code, and it consumed more than twice execution cycles than expected. To...

Re: »Ø¸´£º Re: Disqualified loop:loop contains control code   [2 Articles]

Hi, "d=((unsigned int)127.5*1.2) & 0xff" is calculated at compilation time and is replaced with d=152. "d = ((unsigned int)(c00*r00+c01*r01+c10*r10+c11*r11)) & 0xff"...

MIPS vs MHz (MCPS)   [4 Articles]

Hi All, I have a query on representation of performance of DSP algorithms and its complexity. As far as I know, it has always been in terms of MIPS. Considering the advancements...

Re: Numerous runtime errors using CCS with the dsk6713

Damon- Basic suggestions: -first, take a known-good, working TI project + code example (pick one that does something that you want with the DSK 6713 board, like aud...

Profiling in CCS   [2 Articles]

Hi, I need help in clearing some doubts about performing profiling in CCS ver 2.1. I have a C6201 fixed point DSP chip. It has the following specifications: ...

Re: problem: LOAD commands

Hello, > From: asha grover <> > > Hi > > I am very new to this field. I have problem understanding the LOAD > command (LDB/LDH/LDW). These instru...

Re: Need of efficient Sorting algorithm for C64x   [2 Articles]

> Subject: Need of efficient Sorting algorithm for C64x > Posted by: "v...@yahoo.co.in" v...@yahoo.co.in > Date: Wed May 28, 2008 12:12 am ((PDT)) > > I am looking for m...

NAN / INF errors on C6701   [2 Articles]

Hi C6x champs, Now I'm having a problem with some float calculations on a C6701... Essentially, I need to calculate the energy density ED=real^2 + imag^2 of a ...

the local memory inside DM642 and DM6446

dear all, as i know, the local memory inside DM642 and DAVINCI DM6446 can be set to be cache or to be local SRAM. i want to if set to be local SRAM, is this SRAM single-p...

Re: Re: linear ASM produce lower performance   [2 Articles]

Hi Mike, I dont completely agree with you, with your comments: "You must take full advantage of the instruction delay slots [like for branch, load, and multiply] among o...

6713 emif to adc timing question   [4 Articles]

Hello, A few opinions if you will. Using a 6713DSK, I wish to read a clocked pipeline ADC at its top speed of 20MHz on a prototype daughtercard I have made. I am clocking ...

Re: question on cycles needed for FFT   [3 Articles]

Hi MA, Which optimization method did u use? Hav u used assembly language, if not it is best method, u can exploit C6x pipeline. where u can unroll loop & p...

Re: Direct Form II and cache

Nalin- > Hello Jeff (and other members): > > I would like to put my question this way: > > "Since delay elements correspond to physical memories in actual > impleme...