bloom-filter.cpp
Code Issues

feat: add plots for n m k trends

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ruinivist
2026-04-27 20:43:23 +02:00
parent 84c0b2b797
commit f6521aeb1c
12 changed files with 226 additions and 71 deletions
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plots/gnuplot/fpp_vs_k.gp
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set datafile separator comma
set terminal pngcairo size 1000,700 enhanced font "Arial,12"
set output "plots/png/fpp_vs_k.png"
set title "Bloom filter false-positive rate vs k (n=10000, m=100000)"
set xlabel "hash functions (k)"
set ylabel "false-positive rate"
set grid
set key outside
plot "plots/data/bloom_filter_stats.csv" using (($1 == 10000 && $2 == 100000) ? $3 : 1/0):4 every ::1 with linespoints title "theoretical", \
"plots/data/bloom_filter_stats.csv" using (($1 == 10000 && $2 == 100000) ? $3 : 1/0):5 every ::1 with linespoints title "filter estimate", \
"plots/data/bloom_filter_stats.csv" using (($1 == 10000 && $2 == 100000) ? $3 : 1/0):6 every ::1 with linespoints title "observed"
plots/gnuplot/fpp_vs_m.gp
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set datafile separator comma
set terminal pngcairo size 1000,700 enhanced font "Arial,12"
set output "plots/png/fpp_vs_m.png"
set title "Bloom filter false-positive rate vs m (n=10000, k=5)"
set xlabel "filter size in bits (m)"
set ylabel "false-positive rate"
set logscale x 10
set logscale y 10
set yrange [1e-5:0.2]
set grid
set key outside
plot "plots/data/bloom_filter_stats.csv" using (($1 == 10000 && $3 == 5) ? $2 : 1/0):4 every ::1 with linespoints title "theoretical", \
"plots/data/bloom_filter_stats.csv" using (($1 == 10000 && $3 == 5) ? $2 : 1/0):5 every ::1 with linespoints title "filter estimate", \
"plots/data/bloom_filter_stats.csv" using (($1 == 10000 && $3 == 5) ? $2 : 1/0):6 every ::1 with linespoints title "observed"
plots/gnuplot/fpp_vs_n.gp
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set datafile separator comma
set terminal pngcairo size 1000,700 enhanced font "Arial,12"
set output "plots/png/fpp_vs_n.png"
set title "Bloom filter false-positive rate vs n (m=100000, k=5)"
set xlabel "inserted keys (n)"
set ylabel "false-positive rate"
set logscale x 10
set grid
set key outside
plot "plots/data/bloom_filter_stats.csv" using (($2 == 100000 && $3 == 5) ? $1 : 1/0):4 every ::1 with linespoints title "theoretical", \
"plots/data/bloom_filter_stats.csv" using (($2 == 100000 && $3 == 5) ? $1 : 1/0):5 every ::1 with linespoints title "filter estimate", \
"plots/data/bloom_filter_stats.csv" using (($2 == 100000 && $3 == 5) ? $1 : 1/0):6 every ::1 with linespoints title "observed"