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predictable_parallel_patterns
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Commit
76f1622e
authored
Apr 08, 2019
by
FritzFlorian
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Add very simple tool to compare performance impact of current changes
parent
f0f3b80e
Pipeline
#1139
passed with stages
in 3 minutes 28 seconds
Changes
4
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1
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4 changed files
with
46 additions
and
7 deletions
+46
-7
README.md
+0
-5
app/benchmark_fft/main.cpp
+1
-1
compare_benchmarks.py
+44
-0
lib/pls/include/pls/internal/helpers/mini_benchmark.h
+1
-1
No files found.
README.md
View file @
76f1622e
...
...
@@ -42,11 +42,6 @@ Available Settings:
-
Only one sanitizer can be active at once
-
Enabling has a performance hit (do not use in releases)
commit | fft(1) | fft(2)
--- | --- | ---
[
d2eff7da
](
https://lab.las3.de/gitlab/las3/development/scheduling/predictable_parallel_patterns/commit/d2eff7dafcd822a4da662c2b4606d504b8545483
)
| 12.5ms
<span
style=
"color:green"
>
-5.3%
</span>
| 6.5ms
<span
style=
"color:green"
>
-5.3%
</span>
### Testing
Testing is done using
[
Catch2
](
https://github.com/catchorg/Catch2/
)
...
...
app/benchmark_fft/main.cpp
View file @
76f1622e
...
...
@@ -81,7 +81,7 @@ int main() {
pls
::
internal
::
helpers
::
run_mini_benchmark
([
&
]
{
complex_vector
input
=
initial_input
;
fft
(
input
.
begin
(),
input
.
size
());
},
8
);
},
8
,
4000
);
PROFILE_SAVE
(
"test_profile.prof"
)
}
compare_benchmarks.py
0 → 100755
View file @
76f1622e
#!bin/python3
import
sys
import
os
if
len
(
sys
.
argv
)
<
2
:
print
(
"Please pass the name of the benchmark target as an argument!"
)
exit
(
1
)
target
=
sys
.
argv
[
1
]
print
(
'Comparing current modifications for benchmark target '
+
target
)
print
(
'Executing current version...'
)
print
(
os
.
popen
(
'cd cmake-build-release; make '
+
target
)
.
read
())
current
=
os
.
popen
(
'chrt -rr 99 ./cmake-build-release/bin/'
+
target
)
.
read
()
print
(
'Executing old version...'
)
print
(
os
.
popen
(
'git stash push'
)
.
read
())
print
(
os
.
popen
(
'cd cmake-build-release; make '
+
target
)
.
read
())
before
=
os
.
popen
(
'chrt -rr 99 ./cmake-build-release/bin/'
+
target
)
.
read
()
print
(
os
.
popen
(
'git stash pop'
)
.
read
())
print
(
'======================================================='
)
current
=
[
float
(
value
)
for
value
in
current
.
split
(
','
)]
before
=
[
float
(
value
)
for
value
in
before
.
split
(
','
)]
def
formate_change
(
change
):
if
change
>
1.05
:
color
=
'31'
elif
change
<
0.95
:
color
=
'32'
else
:
color
=
'30'
return
'
\033
[1;'
+
color
+
';40m
%8.2
f'
%
(
change
*
100
)
+
'
%
'
format_string
=
' '
.
join
([
'
%10.2
f us'
]
*
len
(
current
))
print
(
'old: '
+
format_string
%
tuple
(
before
))
print
(
'new: '
+
format_string
%
tuple
(
current
))
print
(
'='
*
55
)
change
=
[
c
/
b
for
b
,
c
in
zip
(
before
,
current
)]
formated_change
=
''
.
join
(
list
(
map
(
formate_change
,
change
)))
print
(
formated_change
)
lib/pls/include/pls/internal/helpers/mini_benchmark.h
View file @
76f1622e
...
...
@@ -41,7 +41,7 @@ namespace pls {
std
::
cout
<<
time_per_iteration
;
if
(
num_threads
<
max_threads
)
{
std
::
cout
<<
",
"
;
std
::
cout
<<
","
;
}
}
std
::
cout
<<
std
::
endl
;
...
...
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