Re: Problem "incorrect header format", but only on SUN SunFire V440 server.

From: Christer Eriksson <agkbill_at_gmail.com>
Date: Tue, 17 Jan 2012 18:14:22 +0100

Ok, so that is the reason why I get "incorrect header format" the bit order
is not correct.

Is there any easy way to convert the input file? I have not made any input
files myself, only used the one in the SIC example.

/Christer



On Tue, Jan 17, 2012 at 6:04 PM, Jay Jay Billings
<jayjaybillings_at_gmail.com>wrote:

> The V440 is a 64-bit big-endian chip. Christer, you will have to convert
> your input file or run on a little-endian system.
>
> Jay
>
>
> On Tue, Jan 17, 2012 at 11:57 AM, Christer Eriksson <agkbill_at_gmail.com>wrote:
>
>>
>> I found that Sun Fire SPARC platforms use the big-endian format to store
>> and operate on their data.
>>
>>
>>
>>
>>
>> On Tue, Jan 17, 2012 at 5:52 PM, christer eriksson <agkbill_at_gmail.com>wrote:
>>
>>>
>>> Hi Max,
>>>
>>> I am unfortunately not familiar with big-endian and little-endian.
>>> How do I find out? Will google and se what I can find on V440.
>>>
>>> /Christer
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On 01/17/2012 05:47 PM, max kondel wrote:
>>>
>>> Hi Christer,
>>>
>>> Is V440 big-endian and your IC file little-endian?
>>>
>>> -Max
>>>
>>> On Tue, Jan 17, 2012 at 11:35 AM, Christer Eriksson <agkbill_at_gmail.com>wrote:
>>>
>>>>
>>>>
>>>>
>>>> Dear GADGET2 users,
>>>>
>>>> I have been following a guide at "
>>>> http://astrobites.com/2011/06/11/running-your-first-sph-simulation/"
>>>> as well as instructions at "http://www.mpa-garching.mpg.de/gadget/".
>>>>
>>>> I never managed to get Linux up and running OK on the server, tried
>>>> with Gentoo but it was always something that did not work. FreeBSD and
>>>> OpenBSD on the outher hand was very easy to get up and running.
>>>>
>>>> I have managed to install and build GADGET2 but have problems.
>>>>
>>>> When I start a simulation on my SunFire V440 it looks like this:
>>>>
>>>>
>>>> ------------------------------------------------------------------------------------------------------------
>>>> [christer_at_V440 /usr/home/christer/GADGET2/SICtest]$ mpirun -np 4
>>>> ./Gadget2 15/SIC_015.param
>>>>
>>>> This is Gadget, version `2.0'.
>>>>
>>>> Running on 4 processors.
>>>> application called MPI_Abort(MPI_COMM_WORLD, 890) - process 0
>>>> rank 0 in job 1 V440_51366 caused collective abort of all ranks
>>>> exit status of rank 0: killed by signal 9
>>>>
>>>> Allocated 25 MByte communication buffer per processor.
>>>>
>>>> Communication buffer has room for 436906 particles in gravity
>>>> computation
>>>> Communication buffer has room for 204800 particles in density
>>>> computation
>>>> Communication buffer has room for 163840 particles in hydro computation
>>>> Communication buffer has room for 163840 particles in domain
>>>> decomposition
>>>>
>>>>
>>>> Hubble (internal units) = 3.49333e-06
>>>> G (internal units) = 1.23414
>>>> UnitMass_in_g = 1.98992e+33
>>>> UnitTime_in_s = 1.07793e+12
>>>> UnitVelocity_in_cm_per_s = 46385.2
>>>> UnitDensity_in_cgs = 1.59194e-17
>>>> UnitEnergy_in_cgs = 4.28148e+42
>>>>
>>>> incorrect header format
>>>> task 0: endrun called with an error level of 890
>>>>
>>>>
>>>> [christer_at_V440 /usr/home/christer/GADGET2/SICtest]$
>>>>
>>>> ---------------------------------------------------------------------------------------------------------------
>>>>
>>>>
>>>> Then I copy the Makefile to my Linux PC and also the SICtest/15 folder
>>>> with following files:
>>>>
>>>> SIC_015.dat
>>>> SIC_015.param-usedvalues
>>>> energy.txt
>>>> parameters-usedvalues
>>>> SIC_015.param
>>>> cpu.txt
>>>> info.txt
>>>> timings.txt
>>>>
>>>>
>>>>
>>>> ###############################################
>>>>
>>>>
>>>>
>>>> Now everything runs OK, starting with:
>>>>
>>>> [christer_at_Arch SICtest]$ mpirun -np 2 ./Gadget2 15/SIC_015.param
>>>>
>>>> This is Gadget, version `2.0'.
>>>>
>>>> Running on 2 processors.
>>>>
>>>> Allocated 25 MByte communication buffer per processor.
>>>>
>>>> Communication buffer has room for 436906 particles in gravity
>>>> computation
>>>> Communication buffer has room for 204800 particles in density
>>>> computation
>>>> Communication buffer has room for 163840 particles in hydro computation
>>>> Communication buffer has room for 163840 particles in domain
>>>> decomposition
>>>>
>>>>
>>>> Hubble (internal units) = 3.49333e-06
>>>> G (internal units) = 1.23414
>>>> UnitMass_in_g = 1.98992e+33
>>>> UnitTime_in_s = 1.07793e+12
>>>> UnitVelocity_in_cm_per_s = 46385.2
>>>> UnitDensity_in_cgs = 1.59194e-17
>>>> UnitEnergy_in_cgs = 4.28148e+42
>>>>
>>>>
>>>> Allocated 1.59375 MByte for particle storage. 68
>>>>
>>>> Allocated 1.96875 MByte for storage of SPH data. 84
>>>>
>>>>
>>>> reading file `./15/SIC_015.dat' on task=0 (contains 32768 particles.)
>>>> distributing this file to tasks 0-1
>>>> Type 0 (gas): 32768 (tot= 0000032768) masstab=0
>>>> Type 1 (halo): 0 (tot= 0000000000) masstab=0
>>>> Type 2 (disk): 0 (tot= 0000000000) masstab=0
>>>> Type 3 (bulge): 0 (tot= 0000000000) masstab=0
>>>> Type 4 (stars): 0 (tot= 0000000000) masstab=0
>>>> Type 5 (bndry): 0 (tot= 0000000000) masstab=0
>>>>
>>>> reading done.
>>>> Total number of particles : 0000032768
>>>>
>>>> allocated 0.0762939 Mbyte for ngb search.
>>>>
>>>> Allocated 2.22545 MByte for BH-tree. 68
>>>>
>>>> domain decomposition...
>>>> NTopleaves= 120
>>>> work-load balance=1.00043 memory-balance=1.00043
>>>> exchange of 0000016413 particles
>>>> domain decomposition done.
>>>> begin Peano-Hilbert order...
>>>> Peano-Hilbert done.
>>>> Begin Ngb-tree construction.
>>>> Ngb-Tree contruction finished
>>>> ngb iteration 1: need to repeat for 0000030189 particles.
>>>> ngb iteration 2: need to repeat for 0000004023 particles.
>>>> ngb iteration 3: need to repeat for 0000003197 particles.
>>>> ngb iteration 4: need to repeat for 0000002915 particles.
>>>> ngb iteration 5: need to repeat for 0000001626 particles.
>>>>
>>>> Setting next time for snapshot file to Time_next= 0
>>>>
>>>>
>>>> writing snapshot file...
>>>> done with snapshot.
>>>>
>>>> Setting next time for snapshot file to Time_next= 0.0025
>>>>
>>>>
>>>> Begin Step 0, Time: 0, Systemstep: 0
>>>> domain decomposition...
>>>> NTopleaves= 120
>>>> work-load balance=1.00043 memory-balance=1.00043
>>>> domain decomposition done.
>>>> begin Peano-Hilbert order...
>>>> Peano-Hilbert done.
>>>> Start force computation...
>>>> Tree construction.
>>>> Tree construction done.
>>>> Begin tree force.
>>>>
>>>>
>>>> ######################################
>>>>
>>>>
>>>>
>>>>
>>>> Any idea why it does not work on the SUN server?
>>>>
>>>> All input most appreciated, would be great to get GADGET2 up and
>>>> running OK.
>>>>
>>>>
>>>> Thank you.
>>>>
>>>> Best reagrds,
>>>> /Christer
>>>>
>>>>
>>>> -----------------------------------------------------------
>>>>
>>>> If you wish to unsubscribe from this mailing, send mail to
>>>> minimalist_at_MPA-Garching.MPG.de with a subject of: unsubscribe
>>>> gadget-list
>>>> A web-archive of this mailing list is available here:
>>>> http://www.mpa-garching.mpg.de/gadget/gadget-list
>>>>
>>>>
>>>
>>>
>>
>>
>> -----------------------------------------------------------
>>
>> If you wish to unsubscribe from this mailing, send mail to
>> minimalist_at_MPA-Garching.MPG.de with a subject of: unsubscribe
>> gadget-list
>> A web-archive of this mailing list is available here:
>> http://www.mpa-garching.mpg.de/gadget/gadget-list
>>
>>
>
>
> -----------------------------------------------------------
>
> If you wish to unsubscribe from this mailing, send mail to
> minimalist_at_MPA-Garching.MPG.de with a subject of: unsubscribe gadget-list
> A web-archive of this mailing list is available here:
> http://www.mpa-garching.mpg.de/gadget/gadget-list
>
>
Received on 2012-01-17 18:14:24

This archive was generated by hypermail 2.3.0 : 2022-09-01 14:03:42 CEST