Average Error: 0.1 → 0.1
Time: 20.7s
Precision: 64
Internal Precision: 128
\[\left(d1 \cdot 3 + d1 \cdot d2\right) + d1 \cdot d3\]
\[\left(d1 \cdot 3 + d2 \cdot d1\right) + d1 \cdot d3\]

Error

Bits error versus d1

Bits error versus d2

Bits error versus d3

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.1
Target0.1
Herbie0.1
\[d1 \cdot \left(\left(3 + d2\right) + d3\right)\]

Derivation

  1. Initial program 0.1

    \[\left(d1 \cdot 3 + d1 \cdot d2\right) + d1 \cdot d3\]
  2. Final simplification0.1

    \[\leadsto \left(d1 \cdot 3 + d2 \cdot d1\right) + d1 \cdot d3\]

Reproduce

herbie shell --seed 2019022 
(FPCore (d1 d2 d3)
  :name "FastMath test3"

  :herbie-target
  (* d1 (+ (+ 3 d2) d3))

  (+ (+ (* d1 3) (* d1 d2)) (* d1 d3)))

Details

Time bar (total: 20.0s)Debug log

sample52.0ms

Algorithm
intervals
Results
29.0ms308×body80valid
4.0ms12×body640valid
2.0msbody1280valid
1.0msbody320valid
1.0msbody160valid

simplify59.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
59.0ms
(+ (+ (* d1 3) (* d1 d2)) (* d1 d3))

prune18.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 1 expressions with local error:

0.0b
(* d1 (+ d2 (+ 3 d3)))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
associate-*r*
add-cube-cbrt
associate-*r/
*-un-lft-identity
add-sqr-sqrt
add-log-exp
flip-+
*-commutative
add-exp-log
add-cbrt-cube
flip3-+
distribute-lft-in
pow1
distribute-rgt-in
Counts
1 → 15
Calls
1 calls:
Slowest
2.0ms
(* d1 (+ d2 (+ 3 d3)))

series30.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
30.0ms
(* d1 (+ d2 (+ 3 d3)))

simplify347.0ms

Counts
10 → 18
Calls
10 calls:
Slowest
176.0ms
(+ (* d2 d2) (- (* (+ 3 d3) (+ 3 d3)) (* d2 (+ 3 d3))))
38.0ms
(+ (* d2 d1) (+ (* d3 d1) (* 3 d1)))
28.0ms
(+ (* d2 d1) (+ (* d3 d1) (* 3 d1)))
25.0ms
(+ (* d2 d1) (+ (* d3 d1) (* 3 d1)))
20.0ms
(- d2 (+ 3 d3))

prune152.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0b

localize28.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (+ (* d1 3) (* d1 d2)) (* d1 d3))
0.0b
(+ (* d1 3) (* d1 d2))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
sum-log
distribute-lft-out
flip-+
add-cube-cbrt
add-exp-log
add-cbrt-cube
flip3-+
*-un-lft-identity
+-commutative
pow1
add-sqr-sqrt
associate-+l+
Counts
2 → 26
Calls
2 calls:
Slowest
10.0ms
(+ (+ (* d1 3) (* d1 d2)) (* d1 d3))
2.0ms
(+ (* d1 3) (* d1 d2))

series41.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
21.0ms
(+ (+ (* d1 3) (* d1 d2)) (* d1 d3))
20.0ms
(+ (* d1 3) (* d1 d2))

simplify537.0ms

Counts
12 → 32
Calls
12 calls:
Slowest
217.0ms
(* (* (exp (* d1 3)) (exp (* d1 d2))) (exp (* d1 d3)))
158.0ms
(* (exp (+ (* d1 3) (* d1 d2))) (exp (* d1 d3)))
47.0ms
(+ (* d2 d1) (+ (* d3 d1) (* 3 d1)))
33.0ms
(+ (* d2 d1) (+ (* d3 d1) (* 3 d1)))
29.0ms
(* (exp (* d1 3)) (exp (* d1 d2)))

prune264.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (* d1 (+ d2 (+ 3 d3)))) (cbrt (* d1 (+ d2 (+ 3 d3)))))
0.5b
(cbrt (* d1 (+ d2 (+ 3 d3))))
0.5b
(cbrt (* d1 (+ d2 (+ 3 d3))))
0.5b
(cbrt (* d1 (+ d2 (+ 3 d3))))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
20×associate-*r/
18×cbrt-div
flip-+
flip3-+
pow1
pow1/3
add-cube-cbrt
add-exp-log
*-un-lft-identity
add-sqr-sqrt
cbrt-prod
add-log-exp
associate-*l*
associate-*r*
add-cbrt-cube
frac-times
pow-prod-up
associate-*l/
pow-prod-down
cbrt-unprod
*-commutative
prod-exp
pow-plus
pow2
Counts
4 → 65
Calls
4 calls:
Slowest
12.0ms
(* (cbrt (* d1 (+ d2 (+ 3 d3)))) (cbrt (* d1 (+ d2 (+ 3 d3)))))
2.0ms
(cbrt (* d1 (+ d2 (+ 3 d3))))
2.0ms
(cbrt (* d1 (+ d2 (+ 3 d3))))
2.0ms
(cbrt (* d1 (+ d2 (+ 3 d3))))

series739.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
204.0ms
(* (cbrt (* d1 (+ d2 (+ 3 d3)))) (cbrt (* d1 (+ d2 (+ 3 d3)))))
190.0ms
(cbrt (* d1 (+ d2 (+ 3 d3))))
173.0ms
(cbrt (* d1 (+ d2 (+ 3 d3))))
172.0ms
(cbrt (* d1 (+ d2 (+ 3 d3))))

simplify7.0s

Counts
49 → 77
Calls
49 calls:
Slowest
594.0ms
(+ (* 1/9 (* d2 (exp (* 1/3 (+ (log 3) (log d1)))))) (+ (* 1/9 (* d3 (exp (* 1/3 (+ (log 3) (log d1)))))) (exp (* 1/3 (+ (log 3) (log d1))))))
505.0ms
(* (* d1 (+ d2 (+ 3 d3))) (* d1 (+ d2 (+ 3 d3))))
433.0ms
(* (* d1 (+ d2 (+ 3 d3))) (* d1 (+ d2 (+ 3 d3))))
415.0ms
(* (cbrt (* d1 (- (* d2 d2) (* (+ 3 d3) (+ 3 d3))))) (cbrt (* d1 (+ (pow d2 3) (pow (+ 3 d3) 3)))))
323.0ms
(+ (* 1/9 (* d2 (exp (* 1/3 (+ (log 3) (log d1)))))) (+ (* 1/9 (* d3 (exp (* 1/3 (+ (log 3) (log d1)))))) (exp (* 1/3 (+ (log 3) (log d1))))))

prune757.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize30.0ms

Local error

Found 4 expressions with local error:

14.8b
(/ (* d1 (- (* d2 d2) (* (+ 3 d3) (+ 3 d3)))) (- d2 (+ 3 d3)))
7.1b
(* d1 (- (* d2 d2) (* (+ 3 d3) (+ 3 d3))))
1.4b
(- (* d2 d2) (* (+ 3 d3) (+ 3 d3)))
0.0b
(* (+ 3 d3) (+ 3 d3))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
add-cube-cbrt
*-un-lft-identity
pow1
add-sqr-sqrt
add-exp-log
add-cbrt-cube
associate-*r*
add-log-exp
flip-+
associate-*r/
flip3-+
flip--
flip3--
distribute-lft-in
frac-times
distribute-rgt-in
associate-*l*
times-frac
sub-neg
associate-/r*
associate-/l/
difference-of-squares
associate--r+
*-commutative
associate-/r/
associate-*l/
associate-/l*
div-inv
cbrt-unprod
pow-prod-up
prod-exp
pow-prod-down
div-exp
diff-log
pow-plus
frac-2neg
clear-num
cbrt-undiv
pow2
Counts
4 → 86
Calls
4 calls:
Slowest
12.0ms
(/ (* d1 (- (* d2 d2) (* (+ 3 d3) (+ 3 d3)))) (- d2 (+ 3 d3)))
7.0ms
(* (+ 3 d3) (+ 3 d3))
7.0ms
(* d1 (- (* d2 d2) (* (+ 3 d3) (+ 3 d3))))
4.0ms
(- (* d2 d2) (* (+ 3 d3) (+ 3 d3)))

series200.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
101.0ms
(/ (* d1 (- (* d2 d2) (* (+ 3 d3) (+ 3 d3)))) (- d2 (+ 3 d3)))
70.0ms
(* d1 (- (* d2 d2) (* (+ 3 d3) (+ 3 d3))))
19.0ms
(- (* d2 d2) (* (+ 3 d3) (+ 3 d3)))
9.0ms
(* (+ 3 d3) (+ 3 d3))

simplify7.1s

Counts
67 → 98
Calls
67 calls:
Slowest
457.0ms
(* (- (* 3 3) (* d3 d3)) (+ 3 d3))
383.0ms
(- (* d2 d2) (* (+ 3 d3) (+ 3 d3)))
372.0ms
(* (+ (* 3 3) (- (* d3 d3) (* 3 d3))) (+ (* 3 3) (- (* d3 d3) (* 3 d3))))
330.0ms
(sqrt (- (* d2 d2) (* (+ 3 d3) (+ 3 d3))))
316.0ms
(cbrt (- (* d2 d2) (* (+ 3 d3) (+ 3 d3))))

prune890.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes212.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch2.0ms

end0.0ms

sample1.5s

Algorithm
intervals
Results
987.0ms9542×body80valid
131.0ms208×body640valid
50.0ms114×body1280valid
40.0ms148×body320valid
17.0ms93×body160valid