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40 lines
795 B
Ruby
40 lines
795 B
Ruby
# SPDX-FileCopyrightText: 2024 Redict Contributors
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# SPDX-FileCopyrightText: 2024 Salvatore Sanfilippo <antirez at gmail dot com>
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#
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# SPDX-License-Identifier: BSD-3-Clause
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# SPDX-License-Identifier: LGPL-3.0-only
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require 'redis'
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r = Redis.new
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r.select(9)
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r.del("myset");
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r.sadd("myset",(0..999).to_a)
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freq = {}
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100.times {
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res = r.pipelined {
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1000.times {
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r.srandmember("myset")
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}
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}
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res.each{|ele|
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freq[ele] = 0 if freq[ele] == nil
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freq[ele] += 1
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}
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}
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# Convert into frequency distribution
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dist = {}
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freq.each{|item,count|
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dist[count] = 0 if dist[count] == nil
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dist[count] += 1
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}
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min = dist.keys.min
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max = dist.keys.max
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(min..max).each{|x|
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count = dist[x]
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count = 0 if count == nil
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puts "#{x} -> #{"*"*count}"
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}
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