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gem5 readme: document failed restores on aarch64

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Ciro Santilli
2018-04-02 19:51:31 +01:00
parent 1f5baf5371
commit 4462aa75ac
1 changed files with 30 additions and 1 deletions
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README.adoc
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@@ -2543,10 +2543,39 @@ at commit da79d6c6cde0fbe5473ce868c9be4771160a003b with the following gem5 comma
./run -a arm -g -- --caches --l1d_size=1024MB --l1i_size=1024MB --l2cache --l2_size=1024MB --l3_size=1024MB --cpu-type=HPI
# 20M
./run -a x86_64 -g -- --caches --l1d_size=1024 --l2cache --l2_size=1024 --l3_size=1024
./run -a x86_64 -g -- --caches --l1d_size=1024 --l2cache --l2_size=1024 --l3_size=1024
./run -a x86_64 -g -- --caches --l1d_size=1024MB --l2cache --l2_size=1024MB --l3_size=1024MB
....
At commit 1f5baf5371f0670f7724f53ddb7793701ed84b9e:
....
printf '#!/bin/sh
m5 resetstats
dhrystone 1000
m5 exit
' >readfile.gitignore
chmod +x readfile.gitignore
./run -a aarch64 -g -E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh'
# 2.736.506
./run -a aarch64 -g
# 2.736.473
./run -a aarch64 -g -- --caches --l2cache
# 2.736.509
./run -a aarch64 -g -- --caches --l2cache --l1d_size=1024 --l1i_size=1024 --l2_size=1024 --l3_size=1024
# 2.736.473
./run -a aarch64 -g -- --caches --l2cache --l1d_size=1024kB --l1i_size=1024kB --l2_size=1024kB --l3_size=1024kB
# 50.193.186
./run -a aarch64 -g -- --caches --l2cache --l1d_size=1024 --l1i_size=1024 --l2_size=1024 --l3_size=1024 --cpu-type=HPI
# 5.924.610
./run -a aarch64 -g -- --caches --l2cache --l1d_size=1024kB --l1i_size=1024kB --l2_size=1024kB --l3_size=1024kB --cpu-type=HPI
# 2.736.509
./run -a aarch64 -g -- --caches --l2cache --l1d_size=1024 --l1i_size=1024 --l2_size=1024 --l3_size=1024 --restore-with-cpu=HPI -r 1
# 2.736.949
./run -a aarch64 -g -- --caches --l2cache --l1d_size=1024kB --l1i_size=1024kB --l2_size=1024kB --l3_size=1024kB --restore-with-cpu=HPI -r 2
....
Cache sizes can in theory be checked with the methods described at: link:https://superuser.com/questions/55776/finding-l2-cache-size-in-linux[]:
....