Average Error: 0.3 → 0
Time: 5.2s
Precision: 64
Internal Precision: 384
\[d \cdot 10 + d \cdot 20\]
↓
\[d \cdot \left(20 + 10\right)\]

Error

Bits error versus d

Target

Original0.3
Target0
Herbie0
\[d \cdot 30\]

Derivation

  1. Initial program 0.3

    \[d \cdot 10 + d \cdot 20\]

  2. Applied simplify0

    \[\leadsto \color{blue}{d \cdot \left(20 + 10\right)}\]
  3. Removed slow pow expressions.

Runtime

Time bar (total: 5.2s)Debug logProfile

herbie shell --seed '#(1063027428 1192549564 1443466578 604016274 3637110559 1698629644)' 
(FPCore (d)
  :name "FastMath test1"

  :herbie-target
  (* d 30)

  (+ (* d 10) (* d 20)))