Displaying 5 results from an estimated 5 matches for "pm4".
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2018 Mar 12
2
[RFC PATCH 00/13] SVM (share virtual memory) with HMM in nouveau
On 2018-03-10 10:01 AM, Christian König wrote:
>> To accomodate those we need to
>> create a "hole" inside the process address space. This patchset have
>> a hack for that (patch 13 HACK FOR HMM AREA), it reserves a range of
>> device file offset so that process can mmap this range with PROT_NONE
>> to create a hole (process must make sure the hole is below
2018 Mar 13
0
[RFC PATCH 00/13] SVM (share virtual memory) with HMM in nouveau
...esses within the reserved range.
>
> The big address space reservation causes issues for some debugging tools
> (clang-sanitizer was mentioned to me), so with gfx9 we're going to get
> rid of this address space reservation.
What do you need those mapping for ? What kind of object (pm4 packet
command buffer, GPU semaphore | fence, ...) ? Kernel private object ?
On nv we need it for the main command buffer ring which we do not want
to expose to application.
Thus for nv gpu we need kernel to monitor this PROT_NONE region to make
sure that i never got unmapped, resize, move ... thi...
2024 May 16
1
Supporting a DIY UPS with minimal effort butmaximum gain
...AIMS Pure Sine 12V 600W Inverter. I had it already. Having this inverter
on hand drove the decision for 12V vs 24/48V. Also, power needs are
relatively low so 12V doesn't lead to more than 55A of current, and that's
only when charging from a deep discharge.
* RV Converter/Charger: PowerMax PM4 55A 12V. This is a lead acid battery
charger that will also provide power after batteries are charged. Many
battery chargers are not designed to be run 24/7, this one is.
* Two 12V 200Ah Renology AGM deep cycle batteries wired in parallel. Got a
deal on these. I decided I was ok with 75%-80% DoD e...
2024 May 17
1
Supporting a DIY UPS with minimal effort butmaximum gain
...Inverter. I had it already. Having this inverter
> on hand drove the decision for 12V vs 24/48V. Also, power needs are
> relatively low so 12V doesn't lead to more than 55A of current, and that's
> only when charging from a deep discharge.
>
> * RV Converter/Charger: PowerMax PM4 55A 12V. This is a lead acid battery
> charger that will also provide power after batteries are charged. Many
> battery chargers are not designed to be run 24/7, this one is.
>
> * Two 12V 200Ah Renology AGM deep cycle batteries wired in parallel. Got a
> deal on these. I decided I w...
2024 May 16
2
Supporting a DIY UPS with minimal effort butmaximum gain
On 5/16/24 08:59, Jim Klimov via Nut-upsuser wrote:
> I agree with earlier posters, such documentation can help future
> tinkerers. There is probably more than just one to hold the hand and
> walk through the ordeals :)
>
> Perhaps a new page at https://github.com/networkupstools/nut/wiki
> <https://github.com/networkupstools/nut/wiki> can be a good location...
>