[gem5-users] gem5 GCN GPU docker error

[Imad Al Assir via gem5-users]

Hello,
Is there a problem with the most recent gcn-gpu docker file?
I tried building it several times on Ubuntu 20.04 and 18.04 but it kept giving 
me this error:

[...]
Unpacking rocblas (2.32.0-cc18d25f) ...
dpkg: dependency problems prevent configuration of rocblas:
rocblas depends on rocm-core; however:
Package rocm-core is not installed.

dpkg: error processing package rocblas (--install):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of rocblas-dev:
rocblas-dev depends on rocblas (>= 2.32.0); however:
Package rocblas is not configured yet.

dpkg: error processing package rocblas-dev (--install):
dependency problems - leaving unconfigured
Errors were encountered while processing:
rocblas
rocblas-dev
+ check_exit_code 1
+ (( 1 != 0 ))
+ exit 1
The command '/bin/sh -c ./install.sh -d -a all -i' returned a non-zero code: 1

I also tried downloading the pre-built docker image (gcr.io/gem5-test/gcn-gpu) 
and built gem5 supposedly with no errors (but with a warning about deprecated 
namespaces not being supported by the compiler). Then when I tried running the 
'square' sample application and other ones from 
gem5-resources/src/gpu/hip-samples (e.g. MatrixTranspose, dynamic_shared, 
inline_asm, etc.), they just kept running indefinitely (> 2 hours), and I had 
to kill them to stop them.
May you please try building the latest version of the gcn-gpu dockerfile and/or 
running a sample application on the pre-built docker image, and inform us if it 
works, and if not, how to fix the problem?
Thanks in advance,
Imad Al Assir
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[gem5-users] Trace CPU speedup

[Scott Blankenberg via gem5-users]

Dear all,


For those of you who have used the TraceCPU to replay elastic traces, how fast 
was the replay mechanism?

In other words how much faster is it to capture the trace and replay it with 
TraceCPU versus just re-simulating with O3CPU?

This question is somewhat open-ended and variable, but any thoughts/experiences 
would be appreciated.

Thanks,

Scott Blankenberg
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