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Recent content by fiber7

  1. fiber7

    Ring Oscillator with std-cell

    Thank you Fom! Do you think I should treat the ring oscillator like an *analog* block, i.e. creating power rings around this block like it is supposed to be for real analog blocks? Cheers. Fib
  2. fiber7

    Ring Oscillator with std-cell

    Hi everybody. We are currently using MOSIS IBM 0.13um with Artisan std-cell libs (Digital FLow). In our design we need to insert a Clock source, but we don't have the time and the skill to design a PLL. What we would like to do is to design a Ring Oscillator using std-cell inverters. I know...
  3. fiber7

    What is a Network-On-Chip ?

    Re: Networks-On-Chip The Network-On-Chip (NoC), is a communication infrastructure for complex SoC systems with may IPs like a multiprocessor system. Instead of having a shared bus, a message passing approach is used. This mean that, like a computer network, each IP like a processor, send and...
  4. fiber7

    Can somebody give some comments on Tensilica CPUs

    Hi. Power consumption highly depends on the technology ur using. Clock gating is supported, and reference power-consumption values can be find in Tensilica website. Since every custom instruction create a new hardware, u cannot predict until u make a real power estimation depending on ur...
  5. fiber7

    Can somebody give some comments on Tensilica CPUs

    Hi ed271828. It is possible to purchase the XT-2000 prototyping board. There is a Virtex-2P for a single core implementation, and another FPGA for custom hardware. Every time a new core is generated, a new synthesizd encripted core is provided. The core is ready to support the Xilinx design...
  6. fiber7

    Can somebody give some comments on Tensilica CPUs

    Hi Jackson. I use Tensilica products, so I can give u some infos. The LX processor is not comparable with the ARM, performances, area and speed are much better. Further, you can add custom instructions directly supported in the toolchain. You can not imagine how many clock cycle u save. Is...
  7. fiber7

    Linux 3Gb Memory Limit

    linux kernel memory limit Did you try to see if only ONE process can allocate more than 3 Gb? I tell you what I found. Linux kernel for 32 bit architectures has a hard limit of 3Gb of memory for each process. Ingo Molnar, the 2.6 kernel scheduler author, made a patch called 4:4 which enables...
  8. fiber7

    Linux 3Gb Memory Limit

    linux 3gb Dear all, I'm making a synthesis for FPGA with xst, using the EDK platgen script. When I reach around 3 Gb of used memory by my process, it stops with the error message "Segmentation Fault". I'm using FC2, so the 2.6 kernel, but I tried also with a RH9 with kernel 2.4 and I had same...
  9. fiber7

    Help for SRAM layout!

    cmos sram layout design Hi. Is there any documentation on SRAM Memory Design Flow. I have some books on memory design, but a detailed document on the steps required to close the complete design flow would be very useful. Regards. Fib
  10. fiber7

    how i can install a linux application with an exe extension

    Re: how i can install an file with extension exe in linux re Probably it is an elf file even if it has an "exe" extension. Give it the executability: chmod +x <namefile> Try to run it with : ./<namefile> If it is a linux binary it should run. Instead, if u are trying to run a windows bin...
  11. fiber7

    Does anybody use AMD64 to run EDA tools?

    Even if on AMD64 there is a 32bit execution Unit, to take full advantge of this CPU (i.e. Superscalar Architecture) you need to run binaries compiled for this machine. I'm really curious to know if there is a speed improvement in comparison with a 32 bit architecture like a P4. I know that...
  12. fiber7

    what is hot-topic in digital design now?

    jay_ec_engg: Could you please explain me better what you think will be the future probable NP architectures? I have no knowledge in this filed but I'am VERY intrested. Which are the tasks of a NP?Is it reasonable to think on a die A LOT of NP instantiated to make layer 3 jobs? Is it possible...
  13. fiber7

    IDA Pro is being released for Linux!

    ida for linux IDA Pro is being porting to Linux! On Datarescue site a beta version is claimed to be under testing..... CoOoOoOoOoL!
  14. fiber7

    SOCE on RH 9 and on RH 8 - any hints?

    SOCE on RH 9 Hi guys, I was not able to run SOCE on RH 9 while it works on RH 8.....(segmentation fault) I can't use RH 8 anymore...... Any hints? Cheers Fib.
  15. fiber7

    Design Analyzer Error (RH 7.3, DA 2003.06)

    I have the same prob....... :? 2003.03 works with RH9

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