[gambit-list] How use SMP features and forms?

James Baker james at waveformdynamics.com.au
Fri Mar 24 17:30:58 EDT 2017


The process as given works for me here (albeit with a more modern GCC
6.3.0).

James

On Sat, Mar 25, 2017 at 6:15 AM, Adam <adam.mlmb at gmail.com> wrote:

>
>
> 2017-03-24 15:02 GMT+01:00 Marc Feeley <feeley at iro.umontreal.ca>:
>
>> The smp branch is currently a WIP with some unimplemented features (such
>> as thread priorities and priority inheritance).  There are also some
>> infrequent bugs that show up when stress testing.  Nevertheless it is quite
>> usable for experimentation and I am actively working on ironing out the
>> bugs.  I expect a stable smp branch by the end of April.
>
>
> Great!
>
>
>> Eventually I want the smp branch to be merged with the master branch and
>> to make --enable-multiple-threaded-vms the default.  This will only happen
>> after extensive portability testing so that the master branch remains very
>> stable and can be built “out of the box” without any issues and tinkering.
>>
>
> Ok!
>
>
>> So to answer your questions… You need to build the smp branch to get
>> parallel execution. These steps should work:
>>
>>    git clone https://github.com/gambit/gambit.git
>>    cd gambit
>>    git checkout smp
>>    ./configure
>>    make -j4 current-gsc-boot
>>    ./configure --enable-single-host --enable-multiple-threaded-vms
>>    make -j4 from-scratch
>>    make check
>>
>
> Great - building either branch of latest commit
> 210c66cc1d885734bb62a8025fef72801d142d84 as follows, did not build, will
> try the way  you suggested.
>
> $ cd gambit-smp
> $ git checkout smp
> $ ./configure --enable-single-host --enable-multiple-threaded-vms
> $ make
> [..]
> gcc -pthread   -Wno-unused -Wno-write-strings -O1 -fwrapv
> -fno-strict-aliasing -fno-trapping-math -fno-math-errno -fschedule-insns2
> -fomit-frame-pointer -fPIC -fno-common -mieee-fp -mpc64  -pthread
>  -I"../include" -c -o "_kernel.o" -I. -DHAVE_CONFIG_H
> -D___GAMBITDIR="\"/usr/local/Gambit\"" -D___SYS_TYPE_CPU="\"x86_64\""
> -D___SYS_TYPE_VENDOR="\"unknown\"" -D___SYS_TYPE_OS="\"linux-gnu\""
> -D___CONFIGURE_COMMAND="\"./configure '--enable-single-host'
> '--enable-multiple-threaded-vms'"\" -D___OBJ_EXTENSION="\".o\""
> -D___EXE_EXTENSION="\"\"" -D___BAT_EXTENSION="\"\"" -D___PRIMAL _kernel.c
> -D___LIBRARY
> _kernel.c: In function ‘___H__20___kernel’:
> _kernel.c:6346:27: error: void value not ignored as it ought to be
>     ___FLONUM_VAL(___ARG2) = ___set_heartbeat_interval
> (___FLONUM_VAL(___ARG1));
>                            ^
> makefile:164: recipe for target '_kernel.o' failed
> make[1]: *** [_kernel.o] Error 1
> $ gcc --version
> gcc (Debian 4.9.2-10) 4.9.2
>
>
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