Re: Please build the JIT branch

[Ben Abbott]

On Jul 12, 2012, at 7:52 PM, Ben Abbott wrote:

> On Jul 10, 2012, at 6:00 PM, Max Brister wrote:
> 
>> JIT is still pretty limited, it will not compile loops with any
>> function calls, even builtin functions (except for sin, cos, and exp).
>> It also only supports linear matrix indexing. For an example of a
>> function which can be compiled, see
>> http://jit-octave.blogspot.com/2012/06/realistic-test.html.
>> 
>> Max Brister
> 
> Using macports on MacOS 10.7, I did a quick build (without worrying about 
> LLVM)
> 
> With JIT
> 
>       A = gen_test (1000000);
>       K = 500;
>       Vectorized: 1.274 sec
>       Loopy: 4.875 sec
> 
> With 3.7.0+
> 
>       A = gen_test (1000000);
>       K = 500;
>       Vectorized: 5.944
>       Loopy: 16.063
> 
> I'll try again with LLVM_CONFIG=/opt/local/bin/llvm-config-mp-3.0
> 
> Ben
> 

With LLVM_CONFIG set to the above, I see ...

octave(56971,0x7fff70d62960) malloc: *** error for object 0x106a4c620: pointer 
being freed was not allocated
*** set a breakpoint in malloc_error_break to debug

Program received signal SIGABRT, Aborted.
0x00007fff850fece2 in __pthread_kill ()
(gdb) bt
#0  0x00007fff850fece2 in __pthread_kill ()
#1  0x00007fff856e57d2 in pthread_kill ()
#2  0x00007fff856d6a7a in abort ()
#3  0x00007fff8573584c in free ()
#4  0x00000001069e2685 in std::string::assign ()
#5  0x0000000100b4297c in global constructors keyed to a () at 
basic_string.h:500
#6  0x00007fff5fc0fda6 in 
__dyld__ZN16ImageLoaderMachO18doModInitFunctionsERKN11ImageLoader11LinkContextE 
()
#7  0x00007fff5fc0faf2 in 
__dyld__ZN16ImageLoaderMachO16doInitializationERKN11ImageLoader11LinkContextE ()
#8  0x00007fff5fc0d2e4 in 
__dyld__ZN11ImageLoader23recursiveInitializationERKNS_11LinkContextEjRNS_21InitializerTimingListE
 ()
#9  0x00007fff5fc0d27d in 
__dyld__ZN11ImageLoader23recursiveInitializationERKNS_11LinkContextEjRNS_21InitializerTimingListE
 ()
#10 0x00007fff5fc0e0b7 in 
__dyld__ZN11ImageLoader15runInitializersERKNS_11LinkContextERNS_21InitializerTimingListE
 ()
#11 0x00007fff5fc034dd in __dyld__ZN4dyld24initializeMainExecutableEv ()
#12 0x00007fff5fc0760b in __dyld__ZN4dyld5_mainEPK12macho_headermiPPKcS5_S5_ ()
#13 0x00007fff5fc01059 in __dyld__dyld_start ()
(gdb) 

Ben