Open Source

OpenBSD’s built-in memory leak detection

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As
announced
on the
misc@
mailing list,
Otto Moerbeek (otto@),
the author of OpenBSD’s
malloc(3)
implementation
[a.k.a. “otto malloc”],
has written a
tutorial on the new
malloc(3) leak detection available in OpenBSD 7.4

Read it at:
OpenBSD’s built-in memory leak detection

Since the publication of that write-up,
Otto has
committed
further enchancements:

CVSROOT:	/cvs
Module name:	src
Changes by:	otto@cvs.openbsd.org	2023/10/22 06:19:26

Modified files:
	lib/libc/stdlib: malloc.3 malloc.c 

Log message:
When option D is active, store callers for all chunks; this avoids
the 0x0 call sites for leak reports. Also display more info on
detected write of free chunks: print the info about where the chunk
was allocated, and for the preceding chunk as well.
ok asou@

Nvidia, AMD to make Arm-based PC chips

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Nvidia and AMD could sell PC chips as soon as 2025, one of the people familiar with the matter said. Nvidia and AMD would join Qualcomm, which has been making Arm-based chips for laptops since 2016. At an event on Tuesday that will be attended by Microsoft executives, including vice president of Windows and Devices Pavan Davuluri, Qualcomm plans to reveal more details about a flagship chip that a team of ex-Apple engineers designed, according to a person familiar with the matter. Nvidia is such a natural partner for Microsoft when it comes to ARM chips, I’m surprised it’s taking them this long to jump back into the ring after the failed Surface RT. AMD making ARM chips is fascinating and surprising, though, but I guess they don’t feel they can compete on performance-per-watt with x86.

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Brado | Trailer Legendado

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