Details

Time bar (total: 18.4s)

sample70.0ms

Algorithm
intervals
Results
29.0ms81×body1280valid
9.0ms49×body640valid
7.0ms177×body80valid
3.0ms24×body320valid
1.0msbody160valid

simplify3.5s

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

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.4b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
2.1b
(- (exp (* a x)) 1.0)

rewrite29.0ms

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:
6.0ms
(exp (* a x))
21.0ms
(- (exp (* a x)) 1.0)

series74.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(exp (* a x))
61.0ms
(- (exp (* a x)) 1.0)

simplify2.6s

Counts
46 → 46
Iterations
IterNodes
done5000
33404
2600
1183
079

prune210.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize41.0ms

Local error

Found 4 expressions with local error:

0.3b
(* 1/6 a)
0.9b
(* (* 1/6 a) (* (* x a) (* x a)))
1.4b
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
14.3b
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

rewrite110.0ms

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:
5.0ms
(* 1/6 a)
82.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
18.0ms
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
1.0ms
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

series353.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(* 1/6 a)
66.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
116.0ms
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
143.0ms
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

simplify2.2s

Counts
108 → 108
Iterations
IterNodes
done5002
22797
1447
0147

prune557.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize52.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (* a x))
0.0b
(exp (* 3 (* a x)))
0.2b
(* 3 (* a x))
2.3b
(- (exp (* 3 (* a x))) (* (* 1.0 1.0) 1.0))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
10×add-log-exp
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u log1p-expm1-u
fma-neg associate-*l* prod-diff pow-prod-down prod-exp cbrt-unprod
exp-prod exp-to-pow rem-exp-log
sub-neg flip3-- diff-log associate-*r* *-commutative flip--
Counts
4 → 64
Calls
4 calls:
6.0ms
(exp (* a x))
14.0ms
(exp (* 3 (* a x)))
25.0ms
(* 3 (* a x))
42.0ms
(- (exp (* 3 (* a x))) (* (* 1.0 1.0) 1.0))

series159.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(exp (* a x))
33.0ms
(exp (* 3 (* a x)))
39.0ms
(* 3 (* a x))
60.0ms
(- (exp (* 3 (* a x))) (* (* 1.0 1.0) 1.0))

simplify1.1s

Counts
76 → 76
Iterations
IterNodes
done5000
21297
1268
0110

prune466.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize62.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* a x) (* a x))
0.9b
(* a (* (* a x) (* a x)))
4.5b
(* (* a (* (* a x) (* a x))) x)
14.3b
(+ (* (* a (* (* a x) (* a x))) x) (* (* a x) (* a x)))

rewrite595.0ms

Algorithm
rewrite-expression-head
Rules
86×pow1
59×add-cbrt-cube add-exp-log
49×pow-prod-down
40×prod-exp cbrt-unprod
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt add-log-exp
associate-*r* associate-*l*
expm1-log1p-u pow-sqr pow-prod-up log1p-expm1-u
*-commutative
pow-plus
pow2 +-commutative sum-log fma-def flip3-+ swap-sqr flip-+ unswap-sqr
Counts
4 → 112
Calls
4 calls:
34.0ms
(* (* a x) (* a x))
75.0ms
(* a (* (* a x) (* a x)))
230.0ms
(* (* a (* (* a x) (* a x))) x)
251.0ms
(+ (* (* a (* (* a x) (* a x))) x) (* (* a x) (* a x)))

series332.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(* (* a x) (* a x))
44.0ms
(* a (* (* a x) (* a x)))
102.0ms
(* (* a (* (* a x) (* a x))) x)
148.0ms
(+ (* (* a (* (* a x) (* a x))) x) (* (* a x) (* a x)))

simplify2.8s

Counts
124 → 124
Iterations
IterNodes
done5002
23134
1374
0121

prune666.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes242.0ms

Accuracy

98.6% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 21.6b

bsearch2.0ms

simplify18.0ms

Iterations
IterNodes
done45
245
140
028

end0.0ms

sample2.0s

Algorithm
intervals
Results
829.0ms2649×body1280valid
305.0ms5450×body80valid
299.0ms1357×body640valid
95.0ms749×body320valid
79.0ms403×body160valid