Details

Time bar (total: 12.0s)

sample36.0ms

Algorithm
intervals
Results
19.0ms631×body80valid

simplify4.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
078
1188
2408
3998
42218
54058
67278
720708
847758
done50018

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.7b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (cosh x) (/ y x))
8.2b
(/ (* (cosh x) (/ y x)) z)

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
16×add-exp-log add-cbrt-cube
13×times-frac associate-*r*
12×add-cube-cbrt *-un-lft-identity
cbrt-undiv div-exp
pow1 cosh-def prod-exp cbrt-unprod
associate-*l* associate-/r* associate-/l/
expm1-log1p-u frac-times associate-*r/ associate-*l/ log1p-expm1-u div-inv add-log-exp unswap-sqr
frac-2neg pow-prod-down clear-num *-commutative associate-/l*
Counts
2 → 64
Calls
2 calls:
8.0ms
(* (cosh x) (/ y x))
6.0ms
(/ (* (cosh x) (/ y x)) z)

series192.0ms

Counts
2 → 6
Calls
2 calls:
78.0ms
(* (cosh x) (/ y x))
114.0ms
(/ (* (cosh x) (/ y x)) z)

simplify525.0ms

Counts
70 → 70
Iterations

Useful iterations: 2 (116.0ms)

IterNodesCost
0141739
1360701
21512600
done5000600

prune162.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp x) (exp (- x)))
0.0b
(* (+ (exp x) (exp (- x))) y)
5.6b
(/ (* (+ (exp x) (exp (- x))) y) (* z (* 2 x)))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
26×add-exp-log add-cbrt-cube
10×*-un-lft-identity prod-exp cbrt-unprod
add-sqr-sqrt
cbrt-undiv add-cube-cbrt div-exp
pow1 add-log-exp
associate-*l* associate-*l/
expm1-log1p-u fma-def flip3-+ associate-*r* flip-+ log1p-expm1-u
associate-/l/ distribute-lft-out
+-commutative frac-2neg times-frac pow-prod-down clear-num associate-/r* sum-log *-commutative div-inv associate-/l* unswap-sqr
Counts
3 → 69
Calls
3 calls:
6.0ms
(+ (exp x) (exp (- x)))
21.0ms
(* (+ (exp x) (exp (- x))) y)
14.0ms
(/ (* (+ (exp x) (exp (- x))) y) (* z (* 2 x)))

series174.0ms

Counts
3 → 9
Calls
3 calls:
23.0ms
(+ (exp x) (exp (- x)))
53.0ms
(* (+ (exp x) (exp (- x))) y)
98.0ms
(/ (* (+ (exp x) (exp (- x))) y) (* z (* 2 x)))

simplify958.0ms

Counts
78 → 78
Iterations

Useful iterations: 2 (174.0ms)

IterNodesCost
01451158
14391102
22305859
done5000859

prune184.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (* (+ (exp x) (exp (- x))) y) z)
0.0b
(+ (exp x) (exp (- x)))
0.0b
(* (+ (exp x) (exp (- x))) y)
6.3b
(/ (/ (* (+ (exp x) (exp (- x))) y) z) (* 2 x))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
32×add-exp-log add-cbrt-cube
17×*-un-lft-identity
16×times-frac
15×add-sqr-sqrt
13×add-cube-cbrt
12×cbrt-undiv div-exp
associate-/l*
prod-exp cbrt-unprod
pow1 add-log-exp
expm1-log1p-u associate-*l* associate-*l/ associate-/r* log1p-expm1-u div-inv
fma-def flip3-+ associate-*r* flip-+ associate-/l/
frac-2neg clear-num distribute-lft-out
+-commutative pow-prod-down sum-log *-commutative unswap-sqr
Counts
4 → 105
Calls
4 calls:
9.0ms
(/ (* (+ (exp x) (exp (- x))) y) z)
6.0ms
(+ (exp x) (exp (- x)))
21.0ms
(* (+ (exp x) (exp (- x))) y)
12.0ms
(/ (/ (* (+ (exp x) (exp (- x))) y) z) (* 2 x))

series233.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(/ (* (+ (exp x) (exp (- x))) y) z)
22.0ms
(+ (exp x) (exp (- x)))
55.0ms
(* (+ (exp x) (exp (- x))) y)
90.0ms
(/ (/ (* (+ (exp x) (exp (- x))) y) z) (* 2 x))

simplify830.0ms

Counts
117 → 117
Iterations

Useful iterations: 2 (189.0ms)

IterNodesCost
01901712
15161634
224341336
done50001336

prune299.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) (exp (- x)))
0.0b
(* (+ (exp x) (exp (- x))) y)
0.3b
(/ (/ 1 z) x)
5.9b
(* (/ (* (+ (exp x) (exp (- x))) y) 2) (/ (/ 1 z) x))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
149×times-frac
100×add-sqr-sqrt
91×*-un-lft-identity
86×add-cube-cbrt
75×add-exp-log
47×add-cbrt-cube
46×associate-*r*
34×div-exp
21×prod-exp
18×cbrt-undiv
13×cbrt-unprod associate-/l*
11×associate-*l*
10×div-inv
pow1
add-log-exp
unswap-sqr
expm1-log1p-u rec-exp 1-exp log1p-expm1-u
fma-def associate-*l/ associate-/r*
flip3-+ pow-prod-down *-commutative flip-+ distribute-lft-out
+-commutative frac-times frac-2neg associate-*r/ clear-num sum-log associate-/l/
Counts
4 → 206
Calls
4 calls:
6.0ms
(+ (exp x) (exp (- x)))
24.0ms
(* (+ (exp x) (exp (- x))) y)
6.0ms
(/ (/ 1 z) x)
48.0ms
(* (/ (* (+ (exp x) (exp (- x))) y) 2) (/ (/ 1 z) x))

series189.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(+ (exp x) (exp (- x)))
60.0ms
(* (+ (exp x) (exp (- x))) y)
10.0ms
(/ (/ 1 z) x)
95.0ms
(* (/ (* (+ (exp x) (exp (- x))) y) 2) (/ (/ 1 z) x))

simplify2.1s

Counts
218 → 218
Iterations

Useful iterations: 2 (405.0ms)

IterNodesCost
03373497
110113144
243692624
done50002624

prune519.0ms

Pruning

6 alts after pruning (2 fresh and 4 done)

Merged error: 0b

regimes195.0ms

Accuracy

96.3% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 6.8b

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02258
12945
done2945

end0.0ms

sample1.1s

Algorithm
intervals
Results
601.0ms22339×body80valid