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Commit 47cf49e

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Ahmet Inan
committed
made for each chunk size a seperate noisy PNG
1 parent fd3d4a0 commit 47cf49e

16 files changed

+49
-12
lines changed

‎128MiB.png

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‎16MiB.png

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‎1GiB.png

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‎1MiB.png

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‎256MiB.png

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‎2MiB.png

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‎32MiB.png

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‎4MiB.png

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‎512MiB.png

6.2 KB
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‎64MiB.png

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‎8MiB.png

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‎README.md

+11-1
Original file line numberDiff line numberDiff line change
@@ -43,7 +43,17 @@ Here the very noisy log visualized:
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```
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# gnuplot noisy.txt
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```
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![noisy log](noisy.png)
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![1MiB log](1MiB.png)
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![2MiB log](2MiB.png)
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![4MiB log](4MiB.png)
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![8MiB log](8MiB.png)
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![16MiB log](16MiB.png)
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![32MiB log](32MiB.png)
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![64MiB log](64MiB.png)
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![128MiB log](128MiB.png)
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![256MiB log](256MiB.png)
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![512MiB log](512MiB.png)
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![1GiB log](1GiB.png)
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Using exponential moving average to smooth out a little:
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(FYI: EMA filtering causes nonlinear phase delays.)

‎ema.png

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‎ema.txt

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@@ -2,6 +2,8 @@ set term png
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set output "ema.png"
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set xlabel "GiB written"
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set ylabel "MiB/s"
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sum1MiB = 0
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sum2MiB = 0
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sum4MiB = 0
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sum8MiB = 0
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sum16MiB = 0
@@ -12,6 +14,8 @@ sum256MiB = 0
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sum512MiB = 0
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sum1GiB = 0
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plot \
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"1MiB.log" u ($3/1073741824):(sum1MiB=0.95*sum1MiB+0.05*$4, sum1MiB/1048576) w l t "1 MiB chunks",\
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"2MiB.log" u ($3/1073741824):(sum2MiB=0.95*sum2MiB+0.05*$4, sum2MiB/1048576) w l t "2 MiB chunks",\
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"4MiB.log" u ($3/1073741824):(sum4MiB=0.95*sum4MiB+0.05*$4, sum4MiB/1048576) w l t "4 MiB chunks",\
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"8MiB.log" u ($3/1073741824):(sum8MiB=0.95*sum8MiB+0.05*$4, sum8MiB/1048576) w l t "8 MiB chunks",\
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"16MiB.log" u ($3/1073741824):(sum16MiB=0.95*sum16MiB+0.05*$4, sum16MiB/1048576) w l t "16 MiB chunks",\

‎noisy.png

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‎noisy.txt

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Original file line numberDiff line numberDiff line change
@@ -1,14 +1,37 @@
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set term png
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set output "noisy.png"
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set xlabel "GiB written"
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set ylabel "MiB/s"
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plot \
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"4MiB.log" u ($3/1073741824):($4/1048576) w l t "4 MiB chunks",\
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"8MiB.log" u ($3/1073741824):($4/1048576) w l t "8 MiB chunks",\
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"16MiB.log" u ($3/1073741824):($4/1048576) w l t "16 MiB chunks",\
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"32MiB.log" u ($3/1073741824):($4/1048576) w l t "32 MiB chunks",\
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"64MiB.log" u ($3/1073741824):($4/1048576) w l t "64 MiB chunks",\
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"128MiB.log" u ($3/1073741824):($4/1048576) w l t "128 MiB chunks",\
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"256MiB.log" u ($3/1073741824):($4/1048576) w l t "256 MiB chunks",\
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"512MiB.log" u ($3/1073741824):($4/1048576) w l t "512 MiB chunks",\
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"1GiB.log" u ($3/1073741824):($4/1048576) w l t "1 GiB chunks"
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set output "1MiB.png"
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plot "1MiB.log" u ($3/1073741824):($4/1048576) w l t "1 MiB chunks"
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set output "2MiB.png"
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plot "2MiB.log" u ($3/1073741824):($4/1048576) w l t "2 MiB chunks"
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set output "4MiB.png"
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plot "4MiB.log" u ($3/1073741824):($4/1048576) w l t "4 MiB chunks"
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set output "8MiB.png"
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plot "8MiB.log" u ($3/1073741824):($4/1048576) w l t "8 MiB chunks"
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set output "16MiB.png"
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plot "16MiB.log" u ($3/1073741824):($4/1048576) w l t "16 MiB chunks"
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set output "32MiB.png"
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plot "32MiB.log" u ($3/1073741824):($4/1048576) w l t "32 MiB chunks"
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set output "64MiB.png"
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plot "64MiB.log" u ($3/1073741824):($4/1048576) w l t "64 MiB chunks"
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set output "128MiB.png"
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plot "128MiB.log" u ($3/1073741824):($4/1048576) w l t "128 MiB chunks"
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set output "256MiB.png"
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plot "256MiB.log" u ($3/1073741824):($4/1048576) w l t "256 MiB chunks"
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set output "512MiB.png"
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plot "512MiB.log" u ($3/1073741824):($4/1048576) w l t "512 MiB chunks"
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set output "1GiB.png"
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plot "1GiB.log" u ($3/1073741824):($4/1048576) w l t "1 GiB chunks"
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