Random numbers in Mojo

Seeding first makes a random run reproducible, which is what benchmarks need.

from std.random import seed, random_float64, random_si64


def main():
    seed(7)
    for _ in range(3):
        print(random_float64(0.0, 1.0))
    print("die roll", random_si64(1, 6))

How it works

1. seed(7) pins the generator so the sequence repeats.
2. random_float64 draws a float between the two bounds.
3. random_si64 draws a signed integer between them instead.

Keywords and builtins used here

• def
• for
• main
• print
• range

The run, in numbers

Lines

8

Characters to type

166

Tokens

44

Three-star pace

80 tpm

At the three-star pace of 80 tokens a minute, this run takes about 33 seconds.

Type this snippet

Step 2 of 5 in Numbers & time, step 13 of 22 in Parameters & SIMD.

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Random numbers in other languages

• Python