FPGA Central

Does Xilinx ISE benefit from Multi CPU setups?
Like offered by AMD Athlon64 X2, AMD Opteron, Intel Core2Duo etc..?

Also would AMD AM2 socket + 800MHz DDR2 be really benefitial compared to
non DDR2 motherboards?

[email protected]d wrote:
>Does Xilinx ISE benefit from Multi CPU setups?
>Like offered by AMD Athlon64 X2, AMD Opteron, Intel Core2Duo etc..?

>Also would AMD AM2 socket + 800MHz DDR2 be really benefitial compared to
>non DDR2 motherboards?

Curious on the linux version of ise.

[email protected]d wrote:
> Does Xilinx ISE benefit from Multi CPU setups?
> Like offered by AMD Athlon64 X2, AMD Opteron, Intel Core2Duo etc..?
>
> Also would AMD AM2 socket + 800MHz DDR2 be really benefitial compared to
> non DDR2 motherboards?
>

A multi-core or multi-CPU setup isn't going to run ISE faster (AFAIK),
but your computer will still be a lot more responsive while running CPU
intensive tasks.

However ISE will run faster with CPUs featuring 4 MB L2 cache, such as
th mid/high-end Intel Core2 Duo CPUs (if I recall correctly models
E6320, E6420, E6600 and higher).

Matthieu <[email protected]> writes:

> However ISE will run faster with CPUs featuring 4 MB L2 cache, such as
> th mid/high-end Intel Core2 Duo CPUs (if I recall correctly models
> E6320, E6420, E6600 and higher).

To give you a single data point, my MAP/PAR time reduced by about
20% when i went from a 2MB Core2Duo (E6400?) to 4MB (E6600) at the same clock
speed (2.4GHz).

BTW, going to the 2MB Core2Duo from my previous 3GHz P4 halved the time!

Cheers,
Martin

--
[email protected]
TRW Conekt - Consultancy in Engineering, Knowledge and Technology
http://www.conekt.net/electronics.html

In article <[email protected]> you wrote:
>Matthieu <[email protected]> writes:

>> However ISE will run faster with CPUs featuring 4 MB L2 cache, such as
>> th mid/high-end Intel Core2 Duo CPUs (if I recall correctly models
>> E6320, E6420, E6600 and higher).

>To give you a single data point, my MAP/PAR time reduced by about
>20% when i went from a 2MB Core2Duo (E6400?) to 4MB (E6600) at the same clock
>speed (2.4GHz).

>BTW, going to the 2MB Core2Duo from my previous 3GHz P4 halved the time!

Unfortunly the Intel Core2Duo seems to have both security & integrity
problems:
http://www.buildyourown.org.uk/forum...topic_ID=25527
marc.info/index.html?l=openbsd-misc&m=118296441702631

When loading data from L1 cache it will occasionally have stale data.

Any tip on a AMD cpu that will perform?

[email protected]d writes:

> In article <[email protected]> you wrote:
>>Matthieu <[email protected]> writes:
>
>>> However ISE will run faster with CPUs featuring 4 MB L2 cache, such as
>>> th mid/high-end Intel Core2 Duo CPUs (if I recall correctly models
>>> E6320, E6420, E6600 and higher).
>
>>To give you a single data point, my MAP/PAR time reduced by about
>>20% when i went from a 2MB Core2Duo (E6400?) to 4MB (E6600) at the same clock
>>speed (2.4GHz).
>
>>BTW, going to the 2MB Core2Duo from my previous 3GHz P4 halved the time!
>
> Unfortunly the Intel Core2Duo seems to have both security & integrity
> problems:
> http://www.buildyourown.org.uk/forum...topic_ID=25527
> marc.info/index.html?l=openbsd-misc&m=118296441702631
>
> When loading data from L1 cache it will occasionally have stale data.
>

It looks like it could occasionally get it's cache wrong. Very
occasionally - "not been seen in commercial systems".

> Any tip on a AMD cpu that will perform?
>

Not that is guaranteed errata-free :-)

Just get
1) a big cache
2) Low latency main memory...
3) ... and lots of it

Cheers,
Martin

--
[email protected]
TRW Conekt - Consultancy in Engineering, Knowledge and Technology
http://www.conekt.net/electronics.html