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|Description: New features:
- Faster CPU calculations because of SSE2 intrinsics
from Crunch3r. This should get a bit faster later when I get to some
- The binaries now include the different SSE levels
for the critical function (e.g. x87/SSE2/SSE3) all in one, and will use
the appropriate one for the detected CPU's capabilities, so you don't
need any special __sse2 version or anything. The problems on systems
without SSE2 which happened sometimes for the GPU applications should
also be fixed.
- Checkpointing for GPUs for both OpenCL/Nvidia
and ATI/AMD for CAL. It will checkpoint no more frequently than after at
least 10% progress, so it might not checkpoint as frequently as your
settings specify if you have a particularly slow GPU. GPU checkpointing
is a bit slow when it does happen, so if you don't want it, you can
disable it with the flag --gpu-disable-checkpointing.
- The Nvidia OpenCL platform should now always be used avoiding issues if you had both AMD's and Nvidia's installed
More reliable chunking for different GPUs. I didn't play with the time
estimates so much, but I think the actual run times should now be closer
to the estimates. There should also be fewer cases where a GPU will end
up using the slowest possible work size option. I'll probably have to
fiddle with this some more if people still aren't happy with the lag.
Work around for a Catalyst driver problem where sometimes the GPU was
reported as 0 Mhz, resulting in much more lag which I think was some
- New flag that some people requested:
--process-priority (-b). On Windows this is 0 (lowest) - 4 (highest) for
overriding the process priority. On Linux this is the nice value.
CAL specific: Removed --responsiveness-factor flag. Use
--gpu-target-frequency or --non-responsive instead depending on what you
want to do.
- Actually updated the 32-bit OS X application
- In the event of a crash on Windows, you should no longer be bothered with useless crash dialogs
The old CAL version is gone; it's replaced with the OpenCL application.
On AMD/ATI GPUs (older than 79xx) it is using some hackery to use the
same IL kernel as before so it should be as fast. However this also
means the Radeon 38xx cards aren't supported with new stuff.
- Radeon 79xx stuff should work
- The occasional validate errors from empty / truncated stderr should stop
- AVX will be used if available on Linux and Windows (64 bit only for Windows)
I've increased the default GPU target frequency so GPU stuff should
make things less laggy on average. You can now also configure this with
the web preferences now so you don't need to use app_info stuff if you
want to play with that.
- Partial workaround with high CPU usage with recent Nvidia drivers.*
Posted by: arkayn March 26, 2012, 04:59:03 AM
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