Elixir a Language for the Future

1. elixir elixir elixir A language for the future
2. 1,000,000,000
10. largest city in the Americas the most populous city of the southern hemisphere
14. Programming Languages
16. Elixir
17. ?
18. João Moura @joaomdmoura
19. 初⼼
20. beginner's mind
23. beginner's mind
24. EXPERTS
25. EXPERTS
27. The rules for software are CHANGING
32. The future is DYNAMIC 1.
33. 1,000,000,000 ~
34. 2 177 mm2
35. The future is Concurrent 2.
36. Threads, Processes and cores
37. multi-thread
39. Process
40. SHARED Memory
41. SHARED Memory
43. Cores
46. RaceConditions
50. Highly Concurrent
51. Easily distributable
52. Really fast (real time)
53. Almost no downtime
54. Self-healing and fault tolerant
55. Erlang
56. Erlang VM
57. Actor Model
58. FREAKING 30 YEARS
59. downtime A YEAR 31ms
60. ruby +
61. ruby + Erlang +
62. ruby + Erlang +Steroids
63. elixir elixir elixir
64. Functional “doing the same thing over and over again and expecting different results” Albert Einstein
65. - Clear code - Transparency - Parallelization - Modularity - Easier debugging
66. EXAMPLE I
67. a = 0
 def increment a += 1 end RUBY
68. def increment(a) return a + 1 end RUBY
69. EXAMPLE II
70. indexes = [1, 2, 3] indexes << 4
 indexes # [1,2,3,4] RUBY
71. indexes = [1, 2, 3] new_indexes = indexes ++ [4] Elixir
72. EXAMPLE III
73. result = func1(a, b) + func2(a, c)
74. func1(a, b) func2(a, c)
75. func1(a, b) func2(a, c) } parallelization
76. ELIXIR
77. PIPE OPERATOR
78. Ruby
79. Ruby
80. Ruby
81. Ruby
82. Elixir
83. Match Operator
84. Ruby
85. Ruby
86. Elixir
87. Elixir
88. Pattern Matching
89. Elixir
90. Elixir
91. Elixir
92. Elixir
93. Modules
94. Ruby
95. Ruby
96. Ruby
97. Elixir
98. Putting together
99. Elixir
100. Elixir
101. Elixir
102. Elixir
103. Elixir
104. Elixir
105. Elixir
106. Elixir
107. Elixir
108. Elixir "
109. Elixir
110. Elixir
111. Elixir
113. # OF PROCESSES
114. # OF PROCESSES # CALL FOR SPAWN AND BLOCKER
115. # OF PROCESSES # CALL FOR SPAWN AND BLOCKER # SPAWN NEW PROCESSES
116. # OF PROCESSES # CALL FOR SPAWN AND BLOCKER # SPAWN NEW PROCESSES # FUNCTION THE PROCESS EXECUTE
117. # OF PROCESSES # CALL FOR SPAWN AND BLOCKER # SPAWN NEW PROCESSES # FUNCTION THE PROCESS EXECUTE # BLOCKER THAT GETS THE MESSAGE
119. 1.500.000
121. WEB!
122. Rake + bundler
123. mix
124. mix test
125. mix phoenix.new
126. mix deps.get
127. gemfile.rb
128. mix.ex
130. Rails: req/s: 1,140.53 Stdev: 18.96ms Max latency: 159.43ms
131. Rails: req/s: 1,140.53 Stdev: 18.96ms Max latency: 159.43ms Pheonix: req/s: 12,120.00 Stdev: 3.35ms Max latency:43.30ms
132. Rails: req/s: 1 140 530 Stdev: 18.96ms Max latency: 159.43ms Pheonix: req/s: 12 120 000 Stdev: 3.35ms Max latency:43.30ms
133. 10.63x more throughput
134. This is good shit. “ “ Co-creator of Erlang Joe Armstrong
135. The future is DYNAMIC
136. The future is Concurrent
137. Erlang VM
138. elixir elixir elixir
146. joaomdmoura.com #ElixirWithaRubyist @joaomdmoura