search for: jvt

Displaying 8 results from an estimated 8 matches for "jvt".

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2014 Feb 05
2
[LLVMdev] Weird msan problem
...ust a gdb artifact. I've been tracking this back a > little further, and it seems there's at least an origin propagation problem: > > (gdb) list > 281 goto value_to_pointer_error; > 282 } > 283 else { > 284 if (jl_is_cpointer_type(jvt) && jl_tparam0(jvt) == jt) { > 285 void *ptr = jl_unbox_voidpointer(v); > 286 assert(__msan_test_shadow(&ptr,sizeof(void**)) == -1); > 287 return (void*)ptr; > 288 } > 289 } > 290 > (gdb) p __msan_p...
2014 Feb 07
2
[LLVMdev] Weird msan problem
...little further, and it seems there's at least an origin propagation > problem: > >> > >> (gdb) list > >> 281 goto value_to_pointer_error; > >> 282 } > >> 283 else { > >> 284 if (jl_is_cpointer_type(jvt) && jl_tparam0(jvt) == jt) { > >> 285 void *ptr = jl_unbox_voidpointer(v); > >> 286 assert(__msan_test_shadow(&ptr,sizeof(void**)) == > -1); > >> 287 return (void*)ptr; > >> 288 } > &gt...
2014 Feb 03
2
[LLVMdev] Weird msan problem
The code for ccall looks right. Sounds like you have a very small range of instructions where an uninitialized value appear. You could try debugging at asm level. Shadow for b should be passed at offset 0 in __msan_param_tls. MSan could propagate shadow through arithmetic and even some logic operations (like select). It could be that b is clean on function entry, but then something uninitialized
2010 May 17
1
Range Coding
Dear all, I have been going through below mentioned update. http://web.mit.edu/xiphmont/Public/theora/demo.html I found this line- Timothy Terriberry estimates a simple self-training range-coding backend could be reasonably expected to decrease bit usage overhead by 15-20%. Is it really true? I found one implementation.... http://svn.xiph.org/trunk/ghost/libentcode/ Did anyone verified this
2010 May 17
2
Encoding 2-Pass VBR?
Dear all I'm currently using a simple encoding implementation based on the encoding example delivered with theora. Now i tried to change the quality of the output file. Its my understanding, that either a bitrate can be set for Constant Bitrate (CBR) encoding, or a quality (0-63) for Variable Bitrate (VBR). As you might know, the basic Encoder Example uses the so-called 2-Pass method for
2003 Mar 05
5
VP3 IDCT
Hi, Is there anything special I need to know about VP3's IDCT? I mean besides the fact that there are separate IDCTs to handle sparse coefficient matrices. Are the IDCT functions mathematically equivalent to any textbook IDCT functions? Thanks... -- -Mike Melanson --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To
2008 Jun 30
4
Rebuild of kernel 2.6.9-67.0.20.EL failure
Hello list. I'm trying to rebuild the 2.6.9.67.0.20.EL kernel, but it fails even without modifications. How did I try it? Created a (non-root) build environment (not a mock ) Installed the kernel.scr.rpm and did a rpmbuild -ba --target=`uname -m` kernel-2.6.spec 2> prep-err.log | tee prep-out.log The build failed at the end: Processing files: kernel-xenU-devel-2.6.9-67.0.20.EL Checking
2009 Jul 23
1
[PATCH server] changes required for fedora rawhide inclusion.
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