Details

Time bar (total: 17.6s)

sample40.0ms

Algorithm
intervals
Results
13.0ms82×body1280valid
6.0ms165×body80valid
5.0ms45×body640valid
2.0ms24×body320valid
1.0ms11×body160valid

simplify3.2s

Counts
1 → 1
Iterations
IterNodes
done5028
83392
7883
6221
593
444
323
216
111
06

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.3b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
2.6b
(- (exp (* a x)) 1.0)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt *-un-lft-identity
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
exp-prod sub-neg flip3-- exp-to-pow diff-log flip-- distribute-lft-out-- difference-of-squares rem-exp-log
Counts
2 → 24
Calls
2 calls:
6.0ms
(exp (* a x))
19.0ms
(- (exp (* a x)) 1.0)

series76.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(exp (* a x))
63.0ms
(- (exp (* a x)) 1.0)

simplify3.0s

Counts
30 → 30
Iterations
IterNodes
done5002
44038
31117
2310
1116
053

prune148.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize32.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x a) (* x a))
0.2b
(* (* x a) (* (* x a) 1/2))
5.0b
(+ (* x a) (* (* x a) (* (* x a) 1/2)))
12.6b
(+ (* (* (* x a) (* (* x a) (* x a))) 1/6) (+ (* x a) (* (* x a) (* (* x a) 1/2))))

rewrite462.0ms

Algorithm
rewrite-expression-head
Rules
64×pow1
37×add-cbrt-cube add-exp-log
32×pow-prod-down
23×prod-exp cbrt-unprod
11×add-log-exp
add-sqr-sqrt sum-log *-un-lft-identity pow-sqr pow-prod-up add-cube-cbrt
+-commutative flip3-+ pow-plus associate-*r* associate-*l* *-commutative flip-+
pow2 associate-+r+ swap-sqr
Counts
4 → 86
Calls
4 calls:
45.0ms
(* (* x a) (* x a))
75.0ms
(* (* x a) (* (* x a) 1/2))
8.0ms
(+ (* x a) (* (* x a) (* (* x a) 1/2)))
327.0ms
(+ (* (* (* x a) (* (* x a) (* x a))) 1/6) (+ (* x a) (* (* x a) (* (* x a) 1/2))))

series339.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(* (* x a) (* x a))
61.0ms
(* (* x a) (* (* x a) 1/2))
83.0ms
(+ (* x a) (* (* x a) (* (* x a) 1/2)))
147.0ms
(+ (* (* (* x a) (* (* x a) (* x a))) 1/6) (+ (* x a) (* (* x a) (* (* x a) 1/2))))

simplify2.3s

Counts
98 → 98
Iterations
IterNodes
done5002
21633
1368
0123

prune298.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize76.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (* a x))
0.2b
(* x (* 3 a))
0.2b
(/ (- (exp (* x (* 3 a))) (* 1.0 (* 1.0 1.0))) (+ (* (exp (* a x)) (exp (* a x))) (+ (* 1.0 1.0) (* (exp (* a x)) 1.0))))
2.6b
(- (exp (* x (* 3 a))) (* 1.0 (* 1.0 1.0)))

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
11×add-cbrt-cube add-exp-log
pow1 times-frac
add-log-exp
associate-/r* associate-*l* pow-prod-down prod-exp cbrt-unprod associate-/l*
flip3-- associate-/r/ flip-- associate-/l/
cbrt-undiv exp-prod clear-num sub-neg frac-2neg flip3-+ exp-to-pow diff-log div-sub div-exp associate-*r* *-commutative flip-+ div-inv rem-exp-log
Counts
4 → 72
Calls
4 calls:
6.0ms
(exp (* a x))
26.0ms
(* x (* 3 a))
75.0ms
(/ (- (exp (* x (* 3 a))) (* 1.0 (* 1.0 1.0))) (+ (* (exp (* a x)) (exp (* a x))) (+ (* 1.0 1.0) (* (exp (* a x)) 1.0))))
33.0ms
(- (exp (* x (* 3 a))) (* 1.0 (* 1.0 1.0)))

series275.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(exp (* a x))
28.0ms
(* x (* 3 a))
163.0ms
(/ (- (exp (* x (* 3 a))) (* 1.0 (* 1.0 1.0))) (+ (* (exp (* a x)) (exp (* a x))) (+ (* 1.0 1.0) (* (exp (* a x)) 1.0))))
61.0ms
(- (exp (* x (* 3 a))) (* 1.0 (* 1.0 1.0)))

simplify1.7s

Counts
84 → 84
Iterations
IterNodes
done5013
21502
1427
0157

prune513.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize66.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 3) a)
0.2b
(/ (log (exp (- (exp (* (* x 3) a)) (* 1.0 (* 1.0 1.0))))) (+ (* (exp (* a x)) (exp (* a x))) (+ (* 1.0 1.0) (* (exp (* a x)) 1.0))))
2.6b
(log (exp (- (exp (* (* x 3) a)) (* 1.0 (* 1.0 1.0)))))
2.6b
(- (exp (* (* x 3) a)) (* 1.0 (* 1.0 1.0)))

rewrite232.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
21×times-frac
20×log-pow
15×exp-prod
14×pow1
11×add-cbrt-cube add-exp-log
associate-/l*
add-log-exp
log-prod
associate-/r* associate-*r* pow-prod-down prod-exp cbrt-unprod
log-div sub-neg exp-diff exp-sum associate-/r/
cbrt-undiv clear-num frac-2neg flip3-+ flip3-- diff-log div-sub div-exp rem-log-exp associate-*l* *-commutative flip-+ div-inv flip--
Counts
4 → 94
Calls
4 calls:
26.0ms
(* (* x 3) a)
167.0ms
(/ (log (exp (- (exp (* (* x 3) a)) (* 1.0 (* 1.0 1.0))))) (+ (* (exp (* a x)) (exp (* a x))) (+ (* 1.0 1.0) (* (exp (* a x)) 1.0))))
22.0ms
(log (exp (- (exp (* (* x 3) a)) (* 1.0 (* 1.0 1.0)))))
11.0ms
(- (exp (* (* x 3) a)) (* 1.0 (* 1.0 1.0)))

series289.0ms

Counts
4 → 12
Calls
4 calls:
19.0ms
(* (* x 3) a)
145.0ms
(/ (log (exp (- (exp (* (* x 3) a)) (* 1.0 (* 1.0 1.0))))) (+ (* (exp (* a x)) (exp (* a x))) (+ (* 1.0 1.0) (* (exp (* a x)) 1.0))))
55.0ms
(log (exp (- (exp (* (* x 3) a)) (* 1.0 (* 1.0 1.0)))))
70.0ms
(- (exp (* (* x 3) a)) (* 1.0 (* 1.0 1.0)))

simplify1.3s

Counts
106 → 106
Iterations
IterNodes
done5000
21509
1457
0192

prune688.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes312.0ms

Accuracy

98.7% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.5b

bsearch1.0ms

simplify7.0ms

Iterations
IterNodes
done45
145
032

end0.0ms

sample2.0s

Algorithm
intervals
Results
948.0ms2696×body1280valid
263.0ms1292×body640valid
232.0ms5427×body80valid
94.0ms757×body320valid
34.0ms410×body160valid