Details

Time bar (total: 17.8s)

sample59.0ms

Algorithm
intervals
Results
18.0ms82×body1280valid
14.0ms165×body80valid
7.0ms45×body640valid
3.0ms24×body320valid
1.0ms11×body160valid

simplify3.3s

Counts
1 → 1
Iterations
IterNodes
done5001
73485
6450
5118
451
327
218
111
06

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.3b

localize18.0ms

Local error

Found 2 expressions with local error:

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

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u
exp-prod sub-neg flip3-- exp-to-pow diff-log flip-- distribute-lft-out-- difference-of-squares rem-exp-log
Counts
2 → 40
Calls
2 calls:
3.0ms
(exp (* a x))
21.0ms
(- (exp (* a x)) 1.0)

series69.0ms

Counts
2 → 6
Calls
2 calls:
15.0ms
(exp (* a x))
54.0ms
(- (exp (* a x)) 1.0)

simplify2.1s

Counts
46 → 46
Iterations
IterNodes
done5000
33404
2600
1183
079

prune208.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize23.0ms

Local error

Found 4 expressions with local error:

0.3b
(* 1/6 a)
0.6b
(* (* 1/6 a) (* (* x a) (* x a)))
1.4b
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
12.6b
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
49×pow1 add-cbrt-cube add-exp-log
33×pow-prod-down prod-exp cbrt-unprod
12×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
associate-*r* associate-*l*
expm1-log1p-u log1p-expm1-u add-log-exp
*-commutative
associate-*r/ unswap-sqr
distribute-rgt-in distribute-lft-in flip3-+ flip-+ fma-udef
Counts
4 → 96
Calls
4 calls:
11.0ms
(* 1/6 a)
98.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
14.0ms
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
0.0ms
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

series399.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(* 1/6 a)
61.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
158.0ms
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
151.0ms
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

simplify2.4s

Counts
108 → 108
Iterations
IterNodes
done5002
22797
1447
0147

prune516.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize30.0ms

Local error

Found 4 expressions with local error:

0.3b
(* 1/6 a)
0.6b
(* (* 1/6 a) (* (* x a) (* x a)))
4.1b
(* x (* (* 1/6 a) (* (* x a) (* x a))))
12.6b
(fma 1/2 (* (* x a) (* x a)) (+ (* x a) (* x (* (* 1/6 a) (* (* x a) (* x a))))))

rewrite320.0ms

Algorithm
rewrite-expression-head
Rules
100×pow1 add-cbrt-cube add-exp-log
74×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt
*-un-lft-identity associate-*l* add-cube-cbrt
associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
*-commutative
fma-udef unswap-sqr
Counts
4 → 119
Calls
4 calls:
6.0ms
(* 1/6 a)
70.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
235.0ms
(* x (* (* 1/6 a) (* (* x a) (* x a))))
1.0ms
(fma 1/2 (* (* x a) (* x a)) (+ (* x a) (* x (* (* 1/6 a) (* (* x a) (* x a))))))

series346.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(* 1/6 a)
76.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
98.0ms
(* x (* (* 1/6 a) (* (* x a) (* x a))))
148.0ms
(fma 1/2 (* (* x a) (* x a)) (+ (* x a) (* x (* (* 1/6 a) (* (* x a) (* x a))))))

simplify2.4s

Counts
131 → 131
Iterations
IterNodes
done5002
23098
1459
0151

prune856.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize41.0ms

Local error

Found 4 expressions with local error:

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

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
11×add-cbrt-cube add-exp-log
pow1 times-frac
add-log-exp
expm1-log1p-u log1p-expm1-u
associate-/r* fma-neg associate-*l* prod-diff pow-prod-down prod-exp cbrt-unprod associate-/l*
flip3-- flip-- associate-/l/
cbrt-undiv exp-prod clear-num sub-neg frac-2neg exp-to-pow diff-log div-sub div-exp associate-*r* *-commutative div-inv rem-exp-log
Counts
4 → 84
Calls
4 calls:
5.0ms
(exp (* a x))
19.0ms
(* 3 (* a x))
46.0ms
(/ (- (exp (* 3 (* a x))) (* (* 1.0 1.0) 1.0)) (fma (exp (* a x)) (+ (exp (* a x)) 1.0) (* 1.0 1.0)))
23.0ms
(- (exp (* 3 (* a x))) (* (* 1.0 1.0) 1.0))

series245.0ms

Counts
4 → 12
Calls
4 calls:
17.0ms
(exp (* a x))
29.0ms
(* 3 (* a x))
137.0ms
(/ (- (exp (* 3 (* a x))) (* (* 1.0 1.0) 1.0)) (fma (exp (* a x)) (+ (exp (* a x)) 1.0) (* 1.0 1.0)))
61.0ms
(- (exp (* 3 (* a x))) (* (* 1.0 1.0) 1.0))

simplify1.5s

Counts
96 → 96
Iterations
IterNodes
done5000
21848
1408
0163

prune601.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

regimes409.0ms

Accuracy

98.7% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.6b

bsearch1.0ms

simplify8.0ms

Iterations
IterNodes
done41
341
239
136
028

end0.0ms

sample1.6s

Algorithm
intervals
Results
653.0ms2696×body1280valid
336.0ms1292×body640valid
254.0ms5427×body80valid
78.0ms757×body320valid
29.0ms410×body160valid