Good diffing comparison
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[ ] What to diff
 [ ] Diff Microsoft patches. PE files, both DLL an EXE files for x86, x86_64 and ARM.
 [ ] Diff 2 versions of NTOSKRNL.exe.
 [ ] Diff (and import symbols from) 2 versions of mpengine.dll: one with symbols, the other without symbols.
 [ ] Diff 2 Unix/Linux ELF files for the same architecture: x86, x86_64, ARM, AArch64, MIPS, PPC, etc...
    [ ] A good candidate here: different versions of BusyBox for different architectures.
 [ ] Diff 2 Unix/Linux ELF files with different architectures.
    [ ] Again, BusyBox is a good candidate. Otherwise, Debian supports many architectures.
 [ ] Diff 2 Mach-O binaries. Some patch.
 [ ] Diff 2 versions of the MacOSX kernel for x86_64.
 [ ] Diff 2 versions of the same iOS program.
 [ ] Diff 2 versions of the iOS kernel.
 [ ] Diff (and import symbols from) the MacOSX kernel, with symbols, against the iOS kernel.
 [ ] Diff 2 binaries for the same program that are one ELF and one PE for the same architecture.
 [ ] Diff 2 binaries for the same program that are one ELF and one PE for different architectures.
 [ ] Diff (and import symbols from) 2 versions of a firmware for the same CPU architecture.
    [ ] PS4 kernels, for example, are a good target.
    [ ] For example, port the symbols from kernel 1.76 to the stripped kernel 5.50.
    [ ] Another example: port FreeBSD's kernel symbols to the stripped PS4 kernel 5.50.
 [ ] Diff (and import symbols from) 2 versions of a firmware for different architectures.
    [ ] Again, diffing the PS4 against the FreeBSD kernel for different architectures.
 [ ] Diff (and import symbols from) a library against a program that statically links to it, for the same architecture.
    [ ] Good examples are sqlite3, libxml2 or V8.
 [ ] Diff 2 binaries for any format that is not PE, ELF or MachO for:
    [ ] ...uncommon architectures, but comparing the same architecture.
    [ ] ...two different and uncommon architectures.
[ ] Batch analysis
 [ ] Automated export.
 [ ] Automated diffing.
[ ] What to measure
 [ ] Accuracy.
 [ ] Time to export.
 [ ] Accuracy.
 [ ] Time to diff.
 [ ] And Accuracy.
[ ] Things to verify when importing database
 [ ] Function names.
 [ ] Function comments.
 [ ] Global names.
 [ ] Function prototypes.
 [ ] Pseudo-code comments.
 [ ] Structs and enums.