The free command returned the following details.
Does this mean the system has no SWAP ??
total used free shared buffers
cached Mem: 1029884 440069 589016 0 16364 138784 -/+ buffers/cache :
284920 744164 swap: 0 0 0
On 10 January 2013 14:53, Matthew Gretton-Dann <
matthew.gretton-d...@linaro.org> wrote:
> On 10/01/13 13:38, Anup Kini wrote:
>
>> Hi Matthew,
>>
>> Thanks for the reply.
>>
>> I tried with VERBOSE=1 command and the virtual memory has been exhausted.
>> I check for the free space and its around 5.3 GB.
>>
>> Let me know if there is any additional compiler tags i can use to free up
>> or use less memory.
>> I looked into the forums and found that similar issues were faced with 4.4
>> and 4.5 release but they were all baselined to 4.6.
>>
>> GCC --version = gcc 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
>>
>> --- cut above this --
>>
>> No need to remake target `../src/cpp/flann/flann.hpp'.
>> Pruning file `src/cpp/CMakeFiles/flann_s.**dir/flags.make'.
>> Finished prerequisites of target file
>> `src/cpp/CMakeFiles/flann_s.**dir/flann/flann.cpp.o'.
>> Must remake target `src/cpp/CMakeFiles/flann_s.**
>> dir/flann/flann.cpp.o'.
>> make[2]: Entering directory `/home/linaro/flann/flann-1.8.**3-src/build'
>> /usr/bin/cmake -E cmake_progress_report
>> /home/linaro/flann/flann-1.8.**3-src/build/CMakeFiles 3
>> Putting child 0x00040958 (src/cpp/CMakeFiles/flann_s.**
>> dir/flann/flann.cpp.o)
>> PID 3390 on the chain.
>> Live child 0x00040958 (src/cpp/CMakeFiles/flann_s.**
>> dir/flann/flann.cpp.o)
>> PID 3390
>> [ 33%] Reaping winning child 0x00040958 PID 3390
>> Live child 0x00040958 (src/cpp/CMakeFiles/flann_s.**
>> dir/flann/flann.cpp.o)
>> PID 3391
>> Building CXX object src/cpp/CMakeFiles/flann_s.**dir/flann/flann.cpp.o
>> Reaping winning child 0x00040958 PID 3391
>> *cd /home/linaro/flann/flann-1.8.**3-src/build/src/cpp && /usr/bin/c++
>>
>> -D_FLANN_VERSION=1.8.3 -DFLANN_STATIC -fopenmp -O2 -g
>> -I/home/linaro/flann/flann-1.**8.3-src/src/cpp -Wall
>> -Wno-unknown-pragmas
>> -Wno-unused-function -fPIC -o CMakeFiles/flann_s.dir/flann/**flann.cpp.o
>> -c
>> /home/linaro/flann/flann-1.8.**3-src/src/cpp/flann/flann.cpp*
>>
>> Live child 0x00040958 (src/cpp/CMakeFiles/flann_s.**
>> dir/flann/flann.cpp.o)
>> PID 3393
>> In file included from
>> /home/linaro/flann/flann-1.8.**3-src/src/cpp/flann/**
>> algorithms/kmeans_index.h:51:**0,
>> from
>> /home/linaro/flann/flann-1.8.**3-src/src/cpp/flann/**
>> algorithms/all_indices.h:38,
>> from
>> /home/linaro/flann/flann-1.8.**3-src/src/cpp/flann/flann.hpp:**45,
>> from
>> /home/linaro/flann/flann-1.8.**3-src/src/cpp/flann/flann.h:**466,
>> from
>> /home/linaro/flann/flann-1.8.**3-src/src/cpp/flann/flann.cpp:**31:
>> */home/linaro/flann/flann-1.8.**3-src/src/cpp/flann/util/**logger.h:73:9:
>> note:
>>
>> the mangling of ‘va_list’ has changed in GCC 4.4
>> virtual memory exhausted: Cannot allocate memory
>> Reaping losing child 0x00040958 PID 3393 *
>>
>> make[2]: *** [src/cpp/CMakeFiles/flann_s.**dir/flann/flann.cpp.o] Error 1
>> Removing child 0x00040958 PID 3393 from chain.
>> make[2]: Leaving directory `/home/linaro/flann/flann-1.8.**3-src/build'
>> Reaping losing child 0x00045828 PID 3389
>> make[1]: *** [src/cpp/CMakeFiles/flann_s.**dir/all] Error 2
>> Removing child 0x00045828 PID 3389 from chain.
>> make[1]: Leaving directory `/home/linaro/flann/flann-1.8.**3-src/build'
>> Reaping losing child 0x000382c0 PID 3385
>> make: *** [all] Error 2
>> Removing child 0x000382c0 PID 3385 from chain.
>> linaro@linaro-ubuntu-desktop:~**/flann/flann-1.8.3-src/build$
>>
>>
>> When i run it on my laptop it does not require more than 300 mb to
>> compile.
>>
>> I am not sure what the problem is on my board (ZNQ ZC702). It has an SD
>> Card with 7.4 gb for the filesystem and 5.3 GB is free.
>>
>
> That 5.3GB won't be used for virtual memory unless you create a swap
> partition. To find out how much memory your board has (assuming you are
> running Linux on it use the 'free' command.
>
> If your board has significantly more than 300MB available then can you
> please raise a bug report in Launchpad. I don't think we will get this
> fixed in 4.6 - but it is a good test case to check memory usage in 4.8.
>
> The difference in memory usage between x86 and ARM can be down to the
> different targets being compiled for requiring different code generation
> strategies.
>
> As for working round the issue - my suggestion is either:
> a) Use a cross compiler (so build on x86 targetting ARM); or
> b) split the source file into many smaller files.
>
>
> Thanks,
>
> Matt
>
>
> --
> Matthew Gretton-Dann
> Toolchain Working Group, Linaro
>
--
*Anup Kini
*Systems Engineer****
*
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