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A minimal set of CUDA bindings for Perl.

Perl 29.50% C 70.50%

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kthakore jun-oya wjgeorge baryshevs

perl-cuda-minimal's Issues

Failing "Kernel invocations after DeviceReset succeed" test from t/z_kernel_invocations.t

Running tests (./Build test) after build results in

Failed 1/6 test programs. 1/66 subtests failed.

Examining failing test gives the following result:

$ ./Build test --verbose=1 --test_files t/z_kernel_invocations.t
[...]
ok 26 - Further kernel invocations return an unspecified launch failure
not ok 27 - Kernel invocations after DeviceReset succeed

#   Failed test 'Kernel invocations after DeviceReset succeed'
#   at t/z_kernel_invocations.t line 93.
ok 28 - Device resets invalidate previously allocated memory
# Looks like you failed 1 test of 28.
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/28 subtests 
[...]

This is Linux 2.6.36-gentoo-r4, on x86_64, with perl v5.12.3, Cuda compilation tools, release 4.0, V0.2.1221, CUDA 4.0.13, with GeForce GTX 480 (2.0 device).

Bump up ExtUtils::nvcc depedency version

Haven't looked at Buld.PL for a little bit. It needs to be bumped up to ExtUtils::nvcc v 0.03. It doesn't matter much since only 0.03 is available on CPAN, but it's good to keep the bookkeeping up-to-date.

Get invalid configuration argument instead of unspecified launch failure

This is a bug report from Russell Smithies that I received via email.

Hi David,
I've got your example code running on my GPU after a few attempts :-)
This server is running RHEL5 with Perl 5.8.8 so had to build newer Perl from src (5.14.1)
Built and installed run4flat-perl_nvcc-135063b and run4flat-perl-CUDA-Minimal-1c65f6e (no git or external access on this server)
I had a few errors on the test but it installed OK:

[root@hpgpuleft run4flat-perl-CUDA-Minimal-1c65f6e]# ./Build test
t/00_load.t ............... ok
t/Index-Manipulation.t .... ok
t/Memory.t ................ ok
t/Transfer.t .............. ok
t/z_PDL.t ................. ok
t/z_kernel_invocations.t .. 1/28 # Gold gave 524800 and CUDA gave 524800
# Gold gave 524800 and CUDA gave 524800
# Gold gave 0.398780822753906 and CUDA gave 0.398714065551758
# Gold gave 0.398780822753906 and CUDA gave 0.398714065551758
# Gold gave 0.398780822753906 and CUDA gave 0.398709535598755

#   Failed test 'PeekAtLastError correctly returns an unspecified launch failure'
#   at t/z_kernel_invocations.t line 71.
#                   'invalid configuration argument'
#     doesn't match '(?^:unspecified)'

#   Failed test 'The failing kernel gives an unspecified launch failure'
#   at t/z_kernel_invocations.t line 77.
#                   'invalid configuration argument'
#     doesn't match '(?^:unspecified)'

#   Failed test 'Good kernels invoked after a failed kernel launch also fail'
#   at t/z_kernel_invocations.t line 84.

#   Failed test 'Further kernel invocations return an unspecified launch failure'
#   at t/z_kernel_invocations.t line 88.
#                   'no error'
#     doesn't match '(?^:unspecified)'

#   Failed test 'Device resets invalidate previously allocated memory'
#   at t/z_kernel_invocations.t line 98.
# Looks like you failed 5 tests of 28.
t/z_kernel_invocations.t .. Dubious, test returned 5 (wstat 1280, 0x500)
Failed 5/28 subtests

Test Summary Report
-------------------
t/z_kernel_invocations.t (Wstat: 1280 Tests: 28 Failed: 5)
 Failed tests:  21, 23, 25-26, 28
 Non-zero exit status: 5
Files=6, Tests=81,  5 wallclock secs ( 0.03 usr  0.02 sys +  0.29 cusr  4.06 csys =  4.40 CPU)
Result: FAIL
Failed 1/6 test programs. 5/81 subtests failed.

Error: no compiler detected to compile 'lib/CUDA/Minimal.c'. Aborting

Hi, I am trying to get perl-CUDA-Minimal up and running. I have CUDA working and can compile all the samples from NVIDIA

I had no problem compiling ExtUtils:nvcc (after I figured out the added path's)

Now I am stuck on "./Build" in this module as it says "Error: no compiler detected to compile 'lib/CUDA/Minimal.c'. Aborting.

The message is no help and I can't find where it is failing in Build so I can try to figure out what it is looking for.

Some idea's would be appreciated.

OH, I am on Fedora 19 if it helps

Cannot build

Hey David ... no dice. Looking into it now

Building CUDA-Minimal
/home/kthakore/.perl5/perls/perl-5.12.2/bin/perl5.12.2 -MExtUtils::nvcc::Backend -eExtUtils::nvcc::Backend::compiler -- -I. -I/home/kthakore/.perl5/perls/perl-5.12.2/lib/5.12.2/x86_64-linux-thread-multi/CORE -DXS_VERSION="0.01" -DVERSION="0.01" -fPIC -c -D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -I/opt/local/include -O2 -o lib/CUDA/Minimal.o lib/CUDA/Minimal.c
lib/CUDA/Minimal.xs(152): error: identifier "cudaDeviceReset" is undefined

1 error detected in the compilation of "/tmp/tmpxft_00000f4a_00000000-4_Minimal.cpp1.ii".
nvcc encountered a problem
error building lib/CUDA/Minimal.o from 'lib/CUDA/Minimal.c' at /home/kthakore/.perl5/perls/perl-5.12.2/lib/5.12.2/ExtUtils/CBuilder/Base.pm line 112.

"unrecognised emulation mode: arch=native" when running 'perl Build.PL'

When running 'perl Build.PL' I got the following errors:

/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.5/../../../../x86_64-pc-linux-gnu/bin/ld: unrecognised emulation mode: arch=native
Supported emulations: elf_x86_64 elf_i386 i386linux elf_l1om
collect2: ld returned 1 exit status
nvcc encountered a problem

Is there any way to work around this issue? Running with

config => {ExtUtils::nvcc::MB('verbose')},

I get the folowing output

Making verbose
ExtUtils::nvcc found nvcc args [[-I/usr/lib64/perl5/5.12.3/x86_64-linux/CORE]], [[-c]], [[-D_LARGEFILE_SOURCE]], [[-D_FILE_OFFSET_BITS=64]], [[-O2]], [[-o]], [[compilet-yvJH2.o]]
ExtUtils::nvcc found other args [[-fPIC]], [[-fno-strict-aliasing]], [[-pipe]], [[-pipe]], [[-march=native]]
ExtUtils::nvcc found source files [[compilet-yvJH2.c]]
Running nvcc with args [[-Xcompiler=-fPIC,-fno-strict-aliasing,-pipe,-pipe,-march=native]], [[-I/usr/lib64/perl5/5.12.3/x86_64-linux/CORE]], [[-c]], [[-D_LARGEFILE_SOURCE]], [[-D_FILE_OFFSET_BITS=64]], [[-O2]], [[-o]], [[compilet-yvJH2.o]], [[--x=cu]], [[compilet-yvJH2.c]]
Making verbose
ExtUtils::nvcc found nvcc args [[-shared]], [[-O2]], [[-o]], [[compilet-yvJH2.so]]
ExtUtils::nvcc found other args [[-pipe]], [[-march=native]], [[-Wl,-O1]], [[-Wl,--as-needed]]
ExtUtils::nvcc found source files [[compilet-yvJH2.o]]
Running nvcc with args [[-Xlinker=-pipe,-march=native,-Wl,-O1,-Wl,--as-needed]], [[-shared]], [[-O2]], [[-o]], [[compilet-yvJH2.so]], [[compilet-yvJH2.o]]
/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.5/../../../../x86_64-pc-linux-gnu/bin/ld: unrecognised emulation mode: arch=native
Supported emulations: elf_x86_64 elf_i386 i386linux elf_l1om
collect2: ld returned 1 exit status
nvcc encountered a problem

build error: linkage specification is incompatible with previous "Perl___notused"

~/hack/CUDA-Minimal$ perl Build.PL
Created MYMETA.yml and MYMETA.json
Creating new 'Build' script for 'CUDA-Minimal' version '0.01'

~/hack/CUDA-Minimal$ ./Build
Building CUDA-Minimal
/home/daxim/local/share/perlbrew/perls/gcc46/bin/perl -MExtUtils::nvcc::Backend -eExtUtils::nvcc::Backend::compiler -- -I. -I/home/daxim/local/share/perlbrew/perls/gcc46/lib/5.16.2/x86_64-linux-thread-multi-ld/CORE -DXS_VERSION="0.01" -DVERSION="0.01" -fPIC -c -D_REENTRANT -D_GNU_SOURCE -fPIC -DDEBUGGING -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g -o lib/CUDA/Minimal.o lib/CUDA/Minimal.c
lib/CUDA/Minimal.c(374): error: linkage specification is incompatible with previous "Perl___notused"
(163): here

1 error detected in the compilation of "/tmp/tmpxft_00004081_00000000-6_Minimal.cpp1.ii".
nvcc encountered a problem
error building lib/CUDA/Minimal.o from 'lib/CUDA/Minimal.c' at /home/daxim/local/share/perlbrew/perls/gcc46/lib/5.16.2/ExtUtils/CBuilder/Base.pm line 177.

~/hack/CUDA-Minimal$ /home/daxim/local/share/perlbrew/perls/gcc46/bin/perl -MExtUtils::nvcc::Backend -eExtUtils::nvcc::Backend::compiler -- -v -I. -I/home/daxim/local/share/perlbrew/perls/gcc46/lib/5.16.2/x86_64-linux-thread-multi-ld/CORE -DXS_VERSION="0.01" -DVERSION="0.01" -fPIC -c -D_REENTRANT -D_GNU_SOURCE -fPIC -DDEBUGGING -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g -o lib/CUDA/Minimal.o lib/CUDA/Minimal.c
ExtUtils::nvcc found nvcc args [[-v]], [[-I.]], [[-I/home/daxim/local/share/perlbrew/perls/gcc46/lib/5.16.2/x86_64-linux-thread-multi-ld/CORE]], [[-DXS_VERSION=0.01]], [[-DVERSION=0.01]], [[-c]], [[-D_REENTRANT]], [[-D_GNU_SOURCE]], [[-DDEBUGGING]], [[-I/usr/local/include]], [[-D_LARGEFILE_SOURCE]], [[-D_FILE_OFFSET_BITS=64]], [[-O2]], [[-g]], [[-o]], [[lib/CUDA/Minimal.o]]
ExtUtils::nvcc found other args [[-fPIC]], [[-fPIC]], [[-fno-strict-aliasing]], [[-pipe]], [[-fstack-protector]]
ExtUtils::nvcc found source files [[lib/CUDA/Minimal.c]]
Running nvcc with args [[-Xcompiler=-fPIC,-fPIC,-fno-strict-aliasing,-pipe,-fstack-protector]], [[-v]], [[-I.]], [[-I/home/daxim/local/share/perlbrew/perls/gcc46/lib/5.16.2/x86_64-linux-thread-multi-ld/CORE]], [[-DXS_VERSION=0.01]], [[-DVERSION=0.01]], [[-c]], [[-D_REENTRANT]], [[-D_GNU_SOURCE]], [[-DDEBUGGING]], [[-I/usr/local/include]], [[-D_LARGEFILE_SOURCE]], [[-D_FILE_OFFSET_BITS=64]], [[-O2]], [[-g]], [[-o]], [[lib/CUDA/Minimal.o]], [[--x=cu]], [[lib/CUDA/Minimal.c]], [[--compiler-bindir=gcc-4.6]]
#$ _SPACE_=
#$ _CUDART_=cudart
#$ _HERE_=/usr/local/cuda/bin
#$ _THERE_=/usr/local/cuda/bin
#$ _TARGET_SIZE_=64
#$ TOP=/usr/local/cuda/bin/..
#$ LD_LIBRARY_PATH=/usr/local/cuda/bin/../lib:/usr/local/cuda/lib64:/usr/local/cuda/lib:
#$ PATH=/usr/local/cuda/bin/../open64/bin:/usr/local/cuda/bin/../nvvm:/usr/local/cuda/bin:/home/daxim/local/share/perlbrew/bin:/home/daxim/local/share/perlbrew/perls/gcc46/bin:/home/daxim/local/bin:/usr/local/cuda/bin:/opt/kde3/sbin:/sbin:/usr/sbin:/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/games:/opt/kde3/bin:/usr/lib/mit/bin:/usr/lib/mit/sbin:/usr/sbin:/usr/sbin
#$ INCLUDES="-I/usr/local/cuda/bin/../include"
#$ LIBRARIES=  "-L/usr/local/cuda/bin/../lib64" -lcudart
#$ CUDAFE_FLAGS=
#$ OPENCC_FLAGS=
#$ PTXAS_FLAGS=
#$ gcc-4.6 -D__CUDA_ARCH__=100 -E -x c++    -DCUDA_FLOAT_MATH_FUNCTIONS -DCUDA_NO_SM_11_ATOMIC_INTRINSICS -DCUDA_NO_SM_12_ATOMIC_INTRINSICS -DCUDA_NO_SM_13_DOUBLE_INTRINSICS  -D__CUDACC__ -D__NVCC__  -fPIC -fPIC -fno-strict-aliasing -pipe -fstack-protector -O2 -I"." -I"/home/daxim/local/share/perlbrew/perls/gcc46/lib/5.16.2/x86_64-linux-thread-multi-ld/CORE" -I"/usr/local/include" "-I/usr/local/cuda/bin/../include"   -D"XS_VERSION=0.01" -D"VERSION=0.01" -D"_REENTRANT" -D"_GNU_SOURCE" -D"DEBUGGING" -D"_LARGEFILE_SOURCE" -D"_FILE_OFFSET_BITS=64" -include "cuda_runtime.h" -m64 -g -o "/tmp/tmpxft_0000408a_00000000-6_Minimal.cpp1.ii" "lib/CUDA/Minimal.c"
#$ cudafe --m64 --gnu_version=40603 -tused --no_remove_unneeded_entities  --gen_c_file_name "/tmp/tmpxft_0000408a_00000000-3_Minimal.cudafe1.c" --stub_file_name "/tmp/tmpxft_0000408a_00000000-3_Minimal.cudafe1.stub.c" --gen_device_file_name "/tmp/tmpxft_0000408a_00000000-3_Minimal.cudafe1.gpu" --nv_arch "compute_10" --gen_module_id_file --module_id_file_name "/tmp/tmpxft_0000408a_00000000-2_Minimal.module_id" --include_file_name "tmpxft_0000408a_00000000-1_Minimal.fatbin.c" "/tmp/tmpxft_0000408a_00000000-6_Minimal.cpp1.ii"
lib/CUDA/Minimal.c(374): error: linkage specification is incompatible with previous "Perl___notused"
(163): here

lib/CUDA/Minimal.c(386): error: expected a ")"

2 errors detected in the compilation of "/tmp/tmpxft_0000408a_00000000-6_Minimal.cpp1.ii".
# --error 0x2 --
nvcc encountered a problem

~/hack/CUDA-Minimal$ git log --format=raw | head -n 1
commit 991419acb95d17320f6fdaf203dc7afcbd85ed08

~/hack/CUDA-Minimal$ uname -a
Linux champion 3.4.28-2.20-desktop #1 SMP PREEMPT Tue Jan 29 16:51:37 UTC 2013 (143156b) x86_64 x86_64 x86_64 GNU/Linux

~/hack/CUDA-Minimal$ perl -V
Summary of my perl5 (revision 5 version 16 subversion 2) configuration:

Platform:
    osname=linux, osvers=3.4.28-2.20-desktop, archname=x86_64-linux-thread-multi-ld
    uname='linux champion 3.4.28-2.20-desktop #1 smp preempt tue jan 29 16:51:37 utc 2013 (143156b) x86_64 x86_64 x86_64 gnulinux '
    config_args='-de -Dprefix=/home/daxim/local/share/perlbrew/perls/gcc46 -Dcc=gcc-4.6 -DDEBUGGING -Dusemorebits -Dusethreads [email protected] [email protected] -Accflags=-fPIC -Aeval:scriptdir=/home/daxim/local/share/perlbrew/perls/gcc46/bin'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=define, usemultiplicity=define
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=define, use64bitall=define, uselongdouble=define
    usemymalloc=n, bincompat5005=undef
Compiler:
    cc='gcc-4.6', ccflags ='-D_REENTRANT -D_GNU_SOURCE -fPIC -DDEBUGGING -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O2 -g',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -fPIC -DDEBUGGING -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
    ccversion='', gccversion='4.6.3 20120531 [gcc-4_6-branch revision 188067]', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
    ivtype='long', ivsize=8, nvtype='long double', nvsize=16, Off_t='off_t', lseeksize=8
    alignbytes=16, prototype=define
Linker and Libraries:
    ld='gcc-4.6', ldflags =' -fstack-protector -L/usr/local/lib'
    libpth=/usr/local/lib /lib/../lib64 /usr/lib/../lib64 /lib /usr/lib /lib64 /usr/lib64 /usr/local/lib64
    libs=-lnsl -lndbm -lgdbm -ldb -ldl -lm -lcrypt -lutil -lpthread -lc -lgdbm_compat
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lpthread -lc
    libc=/lib/libc-2.16.so, so=so, useshrplib=false, libperl=libperl.a
    gnulibc_version='2.16'
Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -O2 -g -L/usr/local/lib -fstack-protector'


Characteristics of this binary (from libperl):
Compile-time options: DEBUGGING HAS_TIMES MULTIPLICITY PERLIO_LAYERS
                        PERL_DONT_CREATE_GVSV PERL_IMPLICIT_CONTEXT
                        PERL_MALLOC_WRAP PERL_PRESERVE_IVUV
                        PERL_TRACK_MEMPOOL USE_64_BIT_ALL USE_64_BIT_INT
                        USE_ITHREADS USE_LARGE_FILES USE_LOCALE
                        USE_LOCALE_COLLATE USE_LOCALE_CTYPE
                        USE_LOCALE_NUMERIC USE_LONG_DOUBLE USE_PERLIO
                        USE_PERL_ATOF USE_REENTRANT_API
Built under linux
Compiled at Feb 17 2013 18:15:44
%ENV:
    PERLBREW_BASHRC_VERSION="0.58"
    PERLBREW_HOME="/home/daxim/.perlbrew"
    PERLBREW_MANPATH="/home/daxim/local/share/perlbrew/perls/gcc46/man"
    PERLBREW_PATH="/home/daxim/local/share/perlbrew/bin:/home/daxim/local/share/perlbrew/perls/gcc46/bin"
    PERLBREW_PERL="gcc46"
    PERLBREW_ROOT="/home/daxim/local/share/perlbrew"
    PERLBREW_VERSION="0.58"
@INC:
    /home/daxim/local/share/perlbrew/perls/gcc46/lib/site_perl/5.16.2/x86_64-linux-thread-multi-ld
    /home/daxim/local/share/perlbrew/perls/gcc46/lib/site_perl/5.16.2
    /home/daxim/local/share/perlbrew/perls/gcc46/lib/5.16.2/x86_64-linux-thread-multi-ld
    /home/daxim/local/share/perlbrew/perls/gcc46/lib/5.16.2
    .

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