[PATCH] benchmark: add new benchmarks for hashing dsyms and fixnums

[PATCH] benchmark: add new benchmarks for hashing dsyms and fixnums

[Eric Wong]

---
 benchmark/bm_hash_aref_dsym.rb      |  4 ++++
 benchmark/bm_hash_aref_dsym_long.rb | 19 +++++++++++++++++++
 benchmark/bm_hash_aref_fix.rb       |  4 ++++
 3 files changed, 27 insertions(+)
 create mode 100644 benchmark/bm_hash_aref_dsym.rb
 create mode 100644 benchmark/bm_hash_aref_dsym_long.rb
 create mode 100644 benchmark/bm_hash_aref_fix.rb

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..70e8ee9
--- /dev/null
+++ b/benchmark/bm_hash_aref_dsym_long.rb
@@ -0,0 +1,19 @@
+# [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
+
+symbol_sample_array = values.sample(sample_size).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] } }
-- 
EW

[PATCH] benchmark: add new benchmarks for hashing dsyms and fixnums

[Eric Wong]

---
 benchmark/bm_hash_aref_dsym.rb      |  4 ++++
 benchmark/bm_hash_aref_dsym_long.rb | 21 +++++++++++++++++++++
 benchmark/bm_hash_aref_fix.rb       |  4 ++++
 3 files changed, 29 insertions(+)
 create mode 100644 benchmark/bm_hash_aref_dsym.rb
 create mode 100644 benchmark/bm_hash_aref_dsym_long.rb
 create mode 100644 benchmark/bm_hash_aref_fix.rb

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] } }
-- 
EW