Details

Time bar (total: 13.8s)

sample248.0ms

Algorithm
intervals
Results
106.0ms105×body2560valid
58.0ms65×body10240exit
49.0ms97×body1280valid
9.0ms30×body640valid
6.0ms321×pre80true
2.0ms11×body320valid
1.0ms10×body80valid
0.0msbody160valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01724
14024
210124
323924
465324
5284524
done500124

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 61.6b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
2.2b
(- (exp (* b eps)) 1.0)
3.2b
(- (exp (* a eps)) 1.0)
4.4b
(- (exp (* (+ a b) eps)) 1.0)

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×*-un-lft-identity
10×add-log-exp
flip3-- flip--
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg associate-*r* associate-*l* distribute-lft-out-- difference-of-squares
frac-times
diff-log
distribute-rgt-in distribute-lft-in associate-*r/ associate-*l/
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 76
Calls
4 calls:
28.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
4.0ms
(- (exp (* b eps)) 1.0)
4.0ms
(- (exp (* a eps)) 1.0)
4.0ms
(- (exp (* (+ a b) eps)) 1.0)

series166.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
32.0ms
(- (exp (* b eps)) 1.0)
37.0ms
(- (exp (* a eps)) 1.0)
47.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify415.0ms

Counts
88 → 88
Iterations

Useful iterations: done (413.0ms)

IterNodesCost
01431364
13451326
212711200
done50021194

prune297.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 52.9b

localize26.0ms

Local error

Found 4 expressions with local error:

4.4b
(- (exp (* (+ a b) eps)) 1.0)
5.0b
(* (* 1/6 (pow a 3)) eps)
7.8b
(+ (* (* 1/6 (pow a 3)) eps) (* 1/2 (pow a 2)))
14.3b
(* (pow eps 2) (+ (* (* 1/6 (pow a 3)) eps) (* 1/2 (pow a 2))))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
19×add-exp-log
16×add-sqr-sqrt
11×add-cbrt-cube
10×*-un-lft-identity prod-exp
associate-*l*
add-cube-cbrt add-log-exp
pow1 associate-*r*
unpow-prod-down cbrt-unprod unswap-sqr
pow-to-exp flip3-+ associate-*r/ pow-exp *-commutative flip-+ unpow2 sqr-pow
+-commutative distribute-rgt-in sub-neg flip3-- distribute-lft-in diff-log pow-prod-down sum-log flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 75
Calls
4 calls:
4.0ms
(- (exp (* (+ a b) eps)) 1.0)
10.0ms
(* (* 1/6 (pow a 3)) eps)
9.0ms
(+ (* (* 1/6 (pow a 3)) eps) (* 1/2 (pow a 2)))
39.0ms
(* (pow eps 2) (+ (* (* 1/6 (pow a 3)) eps) (* 1/2 (pow a 2))))

series254.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(- (exp (* (+ a b) eps)) 1.0)
26.0ms
(* (* 1/6 (pow a 3)) eps)
61.0ms
(+ (* (* 1/6 (pow a 3)) eps) (* 1/2 (pow a 2)))
120.0ms
(* (pow eps 2) (+ (* (* 1/6 (pow a 3)) eps) (* 1/2 (pow a 2))))

simplify942.0ms

Counts
87 → 87
Iterations

Useful iterations: 2 (366.0ms)

IterNodesCost
01511527
14251424
218511265
done50001265

prune393.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 52.8b

localize28.0ms

Local error

Found 4 expressions with local error:

4.4b
(- (exp (* (+ a b) eps)) 1.0)
5.1b
(* (pow a 3) eps)
6.7b
(* eps (+ (* 1/2 (pow a 2)) (* 1/6 (* (pow a 3) eps))))
7.8b
(+ (* 1/2 (pow a 2)) (* 1/6 (* (pow a 3) eps)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
21×add-sqr-sqrt
15×associate-*l*
12×*-un-lft-identity
11×add-exp-log
10×add-cube-cbrt
add-cbrt-cube add-log-exp
pow1 associate-*r*
unswap-sqr
unpow-prod-down cube-prod prod-exp
flip3-+ associate-*r/ *-commutative cbrt-unprod flip-+ sqr-pow
+-commutative distribute-rgt-in cube-mult pow-to-exp sub-neg flip3-- distribute-lft-in diff-log unpow3 pow-prod-down pow-exp sum-log flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 78
Calls
4 calls:
4.0ms
(- (exp (* (+ a b) eps)) 1.0)
7.0ms
(* (pow a 3) eps)
14.0ms
(* eps (+ (* 1/2 (pow a 2)) (* 1/6 (* (pow a 3) eps))))
4.0ms
(+ (* 1/2 (pow a 2)) (* 1/6 (* (pow a 3) eps)))

series258.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(- (exp (* (+ a b) eps)) 1.0)
23.0ms
(* (pow a 3) eps)
123.0ms
(* eps (+ (* 1/2 (pow a 2)) (* 1/6 (* (pow a 3) eps))))
61.0ms
(+ (* 1/2 (pow a 2)) (* 1/6 (* (pow a 3) eps)))

simplify586.0ms

Counts
90 → 90
Iterations

Useful iterations: 2 (167.0ms)

IterNodesCost
01401278
13731215
213001067
done50001067

prune430.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 51.8b

localize30.0ms

Local error

Found 4 expressions with local error:

4.4b
(- (exp (* (+ a b) eps)) 1.0)
6.5b
(* (* a a) eps)
6.7b
(* eps (+ (* 1/2 (pow a 2)) (* 1/6 (* a (* (* a a) eps)))))
7.8b
(+ (* 1/2 (pow a 2)) (* 1/6 (* a (* (* a a) eps))))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
11×pow1 add-exp-log add-cbrt-cube
*-un-lft-identity
add-log-exp
add-cube-cbrt
associate-*r*
associate-*l* pow-prod-down prod-exp cbrt-unprod
flip3-+ associate-*r/ *-commutative flip-+ unswap-sqr
+-commutative distribute-rgt-in sub-neg flip3-- distribute-lft-in diff-log sum-log flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 66
Calls
4 calls:
4.0ms
(- (exp (* (+ a b) eps)) 1.0)
10.0ms
(* (* a a) eps)
11.0ms
(* eps (+ (* 1/2 (pow a 2)) (* 1/6 (* a (* (* a a) eps)))))
4.0ms
(+ (* 1/2 (pow a 2)) (* 1/6 (* a (* (* a a) eps))))

series249.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(- (exp (* (+ a b) eps)) 1.0)
17.0ms
(* (* a a) eps)
124.0ms
(* eps (+ (* 1/2 (pow a 2)) (* 1/6 (* a (* (* a a) eps)))))
62.0ms
(+ (* 1/2 (pow a 2)) (* 1/6 (* a (* (* a a) eps))))

simplify648.0ms

Counts
78 → 78
Iterations

Useful iterations: 2 (182.0ms)

IterNodesCost
01311278
13671138
21410980
done5000980

prune376.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 51.8b

regimes124.0ms

Accuracy

59.8% (3.2b remaining)

Error of 53.1b against oracle of 49.9b and baseline of 57.9b

bsearch239.0ms

Steps
ItersRangePoint
7
6.51529002498803e+73
8.5918266891709e+75
2.1920721130336317e+74
5
-6.59442686138714e+73
-2.3967451601057813e+73
-2.559152727206283e+73

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
055140
178140
done78140

end0.0ms

sample6.8s

Algorithm
intervals
Results
2.5s2610×body2560valid
1.7s1977×body10240exit
1.7s3486×body1280valid
290.0ms1067×body640valid
173.0ms9978×pre80true
54.0ms306×body320valid
21.0ms414×body80valid
14.0ms118×body160valid