Details

Time bar (total: 7.4s)

sample28.0ms

Algorithm
intervals
Results
12.0ms132×pre10240exit
4.0ms256×body80valid
2.0ms124×pre80true

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
1107
2127
done127

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.7b

localize4.0ms

Local error

Found 2 expressions with local error:

0.7b
(/ x0 (- 1.0 x1))
7.2b
(- (/ x0 (- 1.0 x1)) x0)

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
16×times-frac
12×add-cube-cbrt
difference-of-squares
associate-/r* distribute-lft-out--
add-exp-log add-cbrt-cube add-log-exp
associate-/l*
pow1 flip3-- associate-/r/ flip--
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num div-inv
Counts
2 → 52
Calls
2 calls:
5.0ms
(/ x0 (- 1.0 x1))
32.0ms
(- (/ x0 (- 1.0 x1)) x0)

series78.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(/ x0 (- 1.0 x1))
41.0ms
(- (/ x0 (- 1.0 x1)) x0)

simplify2.1s

Counts
58 → 58
Iterations

Useful iterations: 4 (1.1s)

IterNodesCost
0117677
1244641
2610613
31501593
44180590
done5000590

prune84.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 6.0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (- 1.0 x1) (- 1.0 x1))
0.7b
(/ x0 (- 1.0 x1))
0.8b
(+ (/ x0 (- 1.0 x1)) x0)
5.8b
(- (/ x0 (* (- 1.0 x1) (- 1.0 x1))) x0)

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
44×*-un-lft-identity
40×add-sqr-sqrt
18×add-cube-cbrt
16×times-frac
11×pow1 distribute-lft-out--
10×difference-of-squares
add-exp-log flip3-- add-cbrt-cube flip-- add-log-exp
swap-sqr
associate-*r* associate-*l* associate-/r*
frac-times
sub-neg associate-/l*
distribute-rgt-in distribute-lft-in associate-*r/ associate-*l/ associate-/r/
cbrt-undiv +-commutative pow2 frac-2neg flip3-+ pow-plus diff-log div-exp pow-prod-down prod-exp clear-num sum-log pow-sqr *-commutative pow-prod-up cbrt-unprod flip-+ div-inv distribute-lft-out unswap-sqr
Counts
4 → 109
Calls
4 calls:
16.0ms
(* (- 1.0 x1) (- 1.0 x1))
5.0ms
(/ x0 (- 1.0 x1))
22.0ms
(+ (/ x0 (- 1.0 x1)) x0)
33.0ms
(- (/ x0 (* (- 1.0 x1) (- 1.0 x1))) x0)

series156.0ms

Counts
4 → 12
Calls
4 calls:
17.0ms
(* (- 1.0 x1) (- 1.0 x1))
33.0ms
(/ x0 (- 1.0 x1))
38.0ms
(+ (/ x0 (- 1.0 x1)) x0)
68.0ms
(- (/ x0 (* (- 1.0 x1) (- 1.0 x1))) x0)

simplify486.0ms

Counts
121 → 121
Iterations

Useful iterations: done (482.0ms)

IterNodesCost
01941524
14431424
213971322
done50021286

prune188.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 4.3b

localize28.0ms

Local error

Found 4 expressions with local error:

0.7b
(/ x0 (- 1.0 x1))
0.8b
(+ (/ x0 (- 1.0 x1)) x0)
1.0b
(pow (- 1.0 x1) 3)
3.5b
(- (pow (/ x0 (* (- 1.0 x1) (- 1.0 x1))) 3) (pow x0 3))

rewrite119.0ms

Algorithm
rewrite-expression-head
Rules
67×add-sqr-sqrt
41×*-un-lft-identity
30×difference-of-squares
23×unpow-prod-down times-frac cube-prod
17×add-cube-cbrt
11×distribute-lft-out-- sqr-pow
add-log-exp
add-exp-log add-cbrt-cube
pow1 associate-/r*
pow-unpow flip3-- flip-- associate-/l*
cube-div associate-/r/
difference-cubes cbrt-undiv +-commutative cube-mult pow-to-exp sub-neg pow-pow frac-2neg flip3-+ diff-log unpow3 div-exp pow-exp clear-num sum-log flip-+ div-inv distribute-lft-out rem-cube-cbrt
Counts
4 → 120
Calls
4 calls:
5.0ms
(/ x0 (- 1.0 x1))
22.0ms
(+ (/ x0 (- 1.0 x1)) x0)
4.0ms
(pow (- 1.0 x1) 3)
83.0ms
(- (pow (/ x0 (* (- 1.0 x1) (- 1.0 x1))) 3) (pow x0 3))

series200.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(/ x0 (- 1.0 x1))
34.0ms
(+ (/ x0 (- 1.0 x1)) x0)
27.0ms
(pow (- 1.0 x1) 3)
101.0ms
(- (pow (/ x0 (* (- 1.0 x1) (- 1.0 x1))) 3) (pow x0 3))

simplify808.0ms

Counts
132 → 132
Iterations

Useful iterations: done (804.0ms)

IterNodesCost
02252170
15432004
218041822
done50011820

prune359.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 3.5b

localize25.0ms

Local error

Found 4 expressions with local error:

1.0b
(pow (- 1.0 x1) 3)
1.3b
(pow (- 1.0 x1) 6)
1.5b
(log (exp (- (/ (pow x0 3) (pow (- 1.0 x1) 6)) (pow x0 3))))
3.5b
(- (/ (pow x0 3) (pow (- 1.0 x1) 6)) (pow x0 3))

rewrite507.0ms

Algorithm
rewrite-expression-head
Rules
239×add-sqr-sqrt
107×difference-of-squares
96×times-frac
92×unpow-prod-down
84×sqr-pow
57×log-pow
56×exp-prod
55×cube-prod
21×*-un-lft-identity
11×add-cube-cbrt
pow1
add-exp-log pow-unpow add-log-exp
log-prod add-cbrt-cube distribute-lft-out--
cube-div pow-to-exp sub-neg flip3-- pow-pow exp-sum pow-exp flip--
cube-mult log-div exp-diff diff-log unpow3 rem-log-exp rem-cube-cbrt
Counts
4 → 184
Calls
4 calls:
4.0ms
(pow (- 1.0 x1) 3)
4.0ms
(pow (- 1.0 x1) 6)
359.0ms
(log (exp (- (/ (pow x0 3) (pow (- 1.0 x1) 6)) (pow x0 3))))
127.0ms
(- (/ (pow x0 3) (pow (- 1.0 x1) 6)) (pow x0 3))

series265.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(pow (- 1.0 x1) 3)
36.0ms
(pow (- 1.0 x1) 6)
95.0ms
(log (exp (- (/ (pow x0 3) (pow (- 1.0 x1) 6)) (pow x0 3))))
102.0ms
(- (/ (pow x0 3) (pow (- 1.0 x1) 6)) (pow x0 3))

simplify519.0ms

Counts
196 → 196
Iterations

Useful iterations: 2 (186.0ms)

IterNodesCost
02963957
16283467
216473320
done50003320

prune503.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 2.2b

regimes92.0ms

Accuracy

88.3% (0.1b remaining)

Error of 2.4b against oracle of 2.3b and baseline of 3.5b

bsearch49.0ms

Steps
ItersRangePoint
7
0.000209
0.0186
0.00021208908081054686

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
042130
150130
done50130

end0.0ms

sample687.0ms

Algorithm
intervals
Results
358.0ms3916×pre10240exit
131.0ms8000×body80valid
59.0ms4084×pre80true