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authornormal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-07-29 19:54:12 (GMT)
committernormal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-07-29 19:54:12 (GMT)
commitcb87005f6966b334cc8cacc0d3dcd082b4cad569 (patch)
treec469f1e0355fb38f44a476633eebfe00f5d4a358 /benchmark
parentb729e9278fcf79628bb61107b2deebed6a7c834e (diff)
new benchmarks for hashing dsyms and fixnums
* benchmark/bm_hash_aref_dsym.rb: new benchmark * benchmark/bm_hash_aref_dsym_long.rb: ditto * benchmark/bm_hash_aref_fix.rb: ditto [ruby-core:70129] [Bug #11396] pointed out we need to consider more cases for hashing. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51435 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'benchmark')
-rw-r--r--benchmark/bm_hash_aref_dsym.rb4
-rw-r--r--benchmark/bm_hash_aref_dsym_long.rb21
-rw-r--r--benchmark/bm_hash_aref_fix.rb4
3 files changed, 29 insertions, 0 deletions
diff --git a/benchmark/bm_hash_aref_dsym.rb b/benchmark/bm_hash_aref_dsym.rb
new file mode 100644
index 0000000..af4f8c3
--- /dev/null
+++ b/benchmark/bm_hash_aref_dsym.rb
@@ -0,0 +1,4 @@
+h = {}
+syms = ('a'..'z').map { |s| s.to_sym }
+syms.each { |s| h[s] = 1 }
+200_000.times { syms.each { |s| h[s] } }
diff --git a/benchmark/bm_hash_aref_dsym_long.rb b/benchmark/bm_hash_aref_dsym_long.rb
new file mode 100644
index 0000000..9d77593
--- /dev/null
+++ b/benchmark/bm_hash_aref_dsym_long.rb
@@ -0,0 +1,21 @@
+# [ruby-core:70129] [Bug #11396]
+collection_size = 200000
+sample_size = 10000
+
+values = (1..collection_size).to_a.map do |x|
+ "THIS IS A LONGER STRING THAT IS ALSO UNIQUE #{x}"
+end
+
+symbol_hash = {}
+
+values.each do |x|
+ symbol_hash[x.to_sym] = 1
+end
+
+# use the same samples each time to minimize deviations
+rng = Random.new(0)
+symbol_sample_array = values.sample(sample_size, random: rng).map(&:to_sym)
+
+3000.times do
+ symbol_sample_array.each { |x| symbol_hash[x] }
+end
diff --git a/benchmark/bm_hash_aref_fix.rb b/benchmark/bm_hash_aref_fix.rb
new file mode 100644
index 0000000..1346890
--- /dev/null
+++ b/benchmark/bm_hash_aref_fix.rb
@@ -0,0 +1,4 @@
+h = {}
+nums = (1..26).to_a
+nums.each { |i| h[i] = i }
+200_000.times { nums.each { |s| h[s] } }