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readme: start update and automate gem5 cache benchmarks

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Missing HPI.
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Ciro Santilli
2018-04-03 18:03:35 +01:00
parent f3503b4cc8
commit 0dd444d8eb
1 changed files with 46 additions and 14 deletions
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README.adoc
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@@ -2576,33 +2576,65 @@ at commit da79d6c6cde0fbe5473ce868c9be4771160a003b with the following gem5 comma
./run -a x86_64 -g -- --caches --l1d_size=1024MB --l2cache --l2_size=1024MB --l3_size=1024MB
....
At commit 1f5baf5371f0670f7724f53ddb7793701ed84b9e:
At commit f3503b4cc810556df3c736d0a147cc54e05efc83:
....
cmd='./run -a aarch64 -g'
cache_small='--caches --l2cache --l1d_size=1024 --l1i_size=1024 --l2_size=1024 --l3_size=1024'
cache_large='--caches --l2cache --l1d_size=1024kB --l1i_size=1024kB --l2_size=1024kB --l3_size=1024kB'
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
# Create the checkpoints after the kernel boot.
# cpt 1: no caches
$cmd -E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh'
# cpt 2: small caches
$cmd -E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh' -- $cache_small
# cpt 3: large caches
$cmd -E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh' -- $cache_large
# cpt 4: no caches HPI
$cmd -E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh' -- $cache_small --cpu-type=HPI
# cpt 5: large caches HPI
$cmd -E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh' -- $cache_large --cpu-type=HPI
# dhrystone 1.000
# 2.738.340
$cmd -- -r 1
# 2.738.343
$cmd -- -r 2 $cache_small
# 2.738.307
$cmd -- -r 3 $cache_large
sed -Ei 's/^dhrystone .*/dhrystone 10000' readfile.gitignore
# 10.995.467
$cmd -- -r 1
# 10.995.470
$cmd -- -r 2 $cache_small
# 10.995.434
$cmd -- -r 3 $cache_large
sed -Ei 's/^dhrystone .*/dhrystone 100000' readfile.gitignore
# 93.475.029
$cmd -- -r 1
# 93.475.032
$cmd -- -r 2 $cache_small
# 93.475.091
$cmd -- -r 3 $cache_large
# 50.193.186
./run -a aarch64 -g -- --caches --l2cache --l1d_size=1024 --l1i_size=1024 --l2_size=1024 --l3_size=1024 --cpu-type=HPI
$cmd -E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh' -- $cache_small --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
$cmd -E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh' -- $cache_large --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
$cmd -E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh' -- $cache_small --restore-with-cpu=HPI -r 2
# 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
$cmd -E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh' -- $cache_large --restore-with-cpu=HPI -r 3
....
Cache sizes can in theory be checked with the methods described at: link:https://superuser.com/questions/55776/finding-l2-cache-size-in-linux[]: