Details

Time bar (total: 21.9s)

sample94.0ms

Algorithm
intervals
Results
27.0ms43×body1280valid
25.0ms59×body640valid
11.0ms150×body80valid
6.0ms23×body320valid
5.0ms87×body80nan
2.0ms13×body160valid

simplify1.4s

Counts
1 → 1
Iterations
IterNodes
done5000
62074
5506
4151
352
224
115
08

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.5b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (pow (/ x (+ y x)) x) x)
0.0b
(/ x (+ y x))
7.3b
(pow (/ x (+ y x)) x)

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
118×*-un-lft-identity
90×unpow-prod-down
80×add-sqr-sqrt add-cube-cbrt
25×associate-/l*
19×distribute-lft-out
16×add-exp-log
12×associate-/r/
associate-/r* add-cbrt-cube div-exp div-inv
flip3-+ flip-+
sqr-pow
pow1 pow-exp
expm1-log1p-u pow-unpow log1p-expm1-u add-log-exp
pow-to-exp cbrt-undiv clear-num frac-2neg
pow-pow
Counts
3 → 178
Calls
3 calls:
51.0ms
(/ (pow (/ x (+ y x)) x) x)
9.0ms
(/ x (+ y x))
11.0ms
(pow (/ x (+ y x)) x)

series982.0ms

Counts
3 → 9
Calls
3 calls:
172.0ms
(/ (pow (/ x (+ y x)) x) x)
53.0ms
(/ x (+ y x))
757.0ms
(pow (/ x (+ y x)) x)

simplify1.7s

Counts
187 → 187
Iterations
IterNodes
done5002
22899
1667
0282

prune844.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.5b

localize62.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.8b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
2.0b
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ y x)) (cbrt (+ y x)))) x)

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
61×unpow-prod-down
51×cbrt-prod
48×*-un-lft-identity
43×times-frac
36×add-sqr-sqrt add-cube-cbrt
20×add-exp-log
14×cbrt-div
10×associate-/r/
flip3-+ pow-exp flip-+
pow1 pow-unpow distribute-lft-out
div-exp
expm1-log1p-u frac-times add-cbrt-cube prod-exp log1p-expm1-u add-log-exp
pow-to-exp pow-pow pow1/3 associate-*l/ associate-*r/ div-inv sqr-pow
Counts
4 → 124
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
26.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
53.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ y x)) (cbrt (+ y x)))) x)

series1.4s

Counts
4 → 12
Calls
4 calls:
293.0ms
(cbrt x)
318.0ms
(cbrt x)
388.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
440.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ y x)) (cbrt (+ y x)))) x)

simplify1.9s

Counts
136 → 136
Iterations
IterNodes
done5000
23395
11035
0319

prune927.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize41.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.8b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
0.8b
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)
0.8b
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
54×unpow-prod-down
49×*-un-lft-identity
48×cbrt-prod
42×times-frac
37×add-sqr-sqrt add-cube-cbrt
pow-unpow add-exp-log
pow1
distribute-lft-out
expm1-log1p-u add-cbrt-cube pow-exp log1p-expm1-u add-log-exp
pow-to-exp pow-pow sqr-pow
cbrt-div associate-/r/
flip3-+ pow1/3 div-exp flip-+ div-inv
Counts
4 → 116
Calls
4 calls:
1.0ms
(cbrt x)
22.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
2.0ms
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)
2.0ms
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)

series756.0ms

Counts
4 → 12
Calls
4 calls:
262.0ms
(cbrt x)
399.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
59.0ms
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)
35.0ms
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)

simplify1.3s

Counts
128 → 128
Iterations
IterNodes
done5001
22452
1760
0247

prune744.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (pow (/ x (+ y x)) x) (/ 1 x))
0.0b
(/ x (+ y x))
7.3b
(pow (/ x (+ y x)) x)

rewrite122.0ms

Algorithm
rewrite-expression-head
Rules
65×add-sqr-sqrt
61×*-un-lft-identity
56×times-frac
44×add-exp-log
42×unpow-prod-down
37×add-cube-cbrt
22×associate-*l*
16×prod-exp
14×div-exp
13×associate-*r*
12×unswap-sqr
10×add-cbrt-cube pow-exp distribute-lft-out
associate-/r/
pow-to-exp sqr-pow
pow1 rec-exp associate-/r* 1-exp div-inv
expm1-log1p-u pow-unpow flip3-+ flip-+ log1p-expm1-u associate-/l* add-log-exp
cbrt-undiv cbrt-unprod
clear-num pow-pow frac-2neg associate-*r/ un-div-inv *-commutative
Counts
3 → 147
Calls
3 calls:
78.0ms
(* (pow (/ x (+ y x)) x) (/ 1 x))
18.0ms
(/ x (+ y x))
21.0ms
(pow (/ x (+ y x)) x)

series557.0ms

Counts
3 → 9
Calls
3 calls:
158.0ms
(* (pow (/ x (+ y x)) x) (/ 1 x))
53.0ms
(/ x (+ y x))
346.0ms
(pow (/ x (+ y x)) x)

simplify4.1s

Counts
156 → 156
Iterations
IterNodes
done5001
24174
1753
0234

prune556.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

regimes126.0ms

Accuracy

87.5% (0.7b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 5.7b

bsearch110.0ms

Steps
ItersRangePoint
5
1.2985943333401616e-18
3.4680268680189636e-18
3.4273149668109094e-18
8
-1.9592666963809983e+96
-1.8808133542610653e+93
-1.9012472550965265e+93

simplify2.0ms

Iterations
IterNodes
done25
125
021

end0.0ms

sample3.9s

Algorithm
intervals
Results
1.6s1523×body1280valid
734.0ms1526×body640valid
393.0ms4803×body80valid
324.0ms3024×body80nan
274.0ms835×body320valid
123.0ms461×body160valid