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64-Bit desktop app for Windows

64-Bit desktop app for Windows

New member | Level 2

on my 12-processor desktop, CPU utilization of the desktop.exe*32 client tops out at 8% which leads me to believe it's not fully using the multi-threading capabilities of my 64-bit OS

75 Comments
New member | Level 1

What do you mean there is no clear technical need?  Have you done benchmarking of 32-bit vs 64-bit binaries?  Or is this "I don't know why it may help, so it must not be helpful"-type of statement?  64-bit binaries allow for 64-bit address space.  Which allows all file IO to be done through the most efficient mechanism available: file memory mapping.  With 32-bit executables this is still possible, but requires constant mapping/unmapping.  And each one of these mapping/unmapping is an extra system call. System calls are time-consuming operations.  Which is why having a sparsely-consumed memory space usually produces faster executables.  Given today's memory and file sizes, 32-bit executables are almost certainly using densely-consumed program memory space.  It doesn't mean that the actual memory used by the program is higher, but it does mean that the program has to make more system calls.

New member | Level 1

32 bit programs require having loaded 32 bit libs, duplicating those in 64 bit space when all other programs are 64 bit. How about that for a clear technical need. 

New member | Level 1

Maybe it's time to change cloud storage.  If DropBox doesn't seem to desire to stay current with the major technologies of 64bit bandwidth/processing, there are others who DO.

New member | Level 1

I am thinking the same thing Skip. 32 bit confined with this "clear business need" along with when opening the MOVE option in any browser, it is purposefully scaled to 1/10 or less of the screen - tiny little file folder window - to discourage using browser interface. Guess what... I don't keep but 10% of my files local (meaning you guys save big on bandwidth, most of mine is parked there, not synced) - yet you have this little peep hole to move files with. 

DRIVE does not do this, does not consume a constant 4GB of active memory consumption, and frankly they seem quite tuned into the "suggestion box", not "not clear business need". 

However you frame it, need or not, that's the fundamental no service bad service DBox model playing out. It stinks. 

New member | Level 1

+1 for 64bits.

It's a pity Dropbox (@RichardP?) couldn't reply to @DmitryR and @AndresC's arguments.

New member | Level 1

I don't know a lot about the internal CPU side of things, but I do know that recently Dropbox tends to really kill my wife's laptop. =(

(Its a year old low range Compaq, 2Ghz, 4GB cheap thing, but does the job - until Dropbox gets involved)

Just done a re-install as it was getting really buggy slow and installed a new SSD.

All working awesome, even loads the new Office suite in about 2 seconds - until I installed Dropbox and started the sync - been running for about a minute and RAM usage gone from 80MB to 120MB... this will keep climbing until the system locks up. =(

Sad times.

New member | Level 1

is an "out of memory" a "clear technical need" ?

New member | Level 1

Currently, dropbox doesn't handle my files as I have too many. It goes up to 1.4gb of memory usage and then it opts out. 64 bit is a damn requirement. I'll have to unsub if I can't sync my folder correctly.

Experienced Collaborator | Level 11

is an "out of memory" a "clear technical need" ?

A clear need to invest in a decent amount of RAM, perhaps.

64 bit is a damn requirement.

Not in this case.

 

New member | Level 1

"A clear need to invest in a decent amount of RAM, perhaps."
I have 16gb. Dropbox being a 32 bit process, it can't use more than 2gb of them.

Yes it's a damn requirement. I'm a software developer, I know what I'm talking about.

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