Details

Time bar (total: 17.5s)

sample229.0ms

Algorithm
intervals
Results
73.0ms77×body2560valid
60.0ms68×body10240exit
58.0ms119×body1280valid
10.0ms34×body640valid
6.0ms324×pre80true
2.0ms11×body320valid
1.0ms10×body80valid
1.0msbody160valid

simplify1.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01724
14024
210124
325224
471124
5315424
done500024

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 61.2b

localize18.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
2.7b
(- (exp (* a eps)) 1.0)
4.8b
(- (exp (* b eps)) 1.0)
6.0b
(- (exp (* (+ a b) eps)) 1.0)

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
49×*-un-lft-identity
45×prod-diff
39×add-cube-cbrt
11×distribute-rgt-in distribute-lft-in
10×add-log-exp
flip3-- fma-neg flip--
pow1 add-exp-log add-cbrt-cube
sub-neg associate-*r* associate-*l* distribute-lft-out-- difference-of-squares
expm1-log1p-u frac-times log1p-expm1-u
diff-log
associate-*r/ associate-*l/
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 138
Calls
4 calls:
27.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
6.0ms
(- (exp (* a eps)) 1.0)
5.0ms
(- (exp (* b eps)) 1.0)
5.0ms
(- (exp (* (+ a b) eps)) 1.0)

series170.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
38.0ms
(- (exp (* a eps)) 1.0)
32.0ms
(- (exp (* b eps)) 1.0)
51.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify690.0ms

Counts
150 → 150
Iterations

Useful iterations: done (685.0ms)

IterNodesCost
02213064
14782615
216392215
done50002170

prune435.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 50.5b

localize28.0ms

Local error

Found 4 expressions with local error:

2.7b
(- (exp (* a eps)) 1.0)
6.0b
(- (exp (* (+ a b) eps)) 1.0)
16.9b
(* (pow eps 2) (pow b 2))
18.6b
(* (pow eps 3) (pow b 3))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
72×add-sqr-sqrt
32×*-un-lft-identity unswap-sqr
28×add-exp-log add-cube-cbrt unpow-prod-down
20×associate-*r* associate-*l* sqr-pow
18×prod-diff prod-exp
14×cube-prod
12×pow-to-exp pow-exp
10×unpow2
add-cbrt-cube add-log-exp
fma-neg
pow1 expm1-log1p-u log1p-expm1-u
cube-mult sub-neg flip3-- diff-log unpow3 pow-prod-down *-commutative flip-- cbrt-unprod distribute-lft-out-- difference-of-squares
Counts
4 → 170
Calls
4 calls:
5.0ms
(- (exp (* a eps)) 1.0)
5.0ms
(- (exp (* (+ a b) eps)) 1.0)
9.0ms
(* (pow eps 2) (pow b 2))
12.0ms
(* (pow eps 3) (pow b 3))

series177.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(- (exp (* a eps)) 1.0)
45.0ms
(- (exp (* (+ a b) eps)) 1.0)
33.0ms
(* (pow eps 2) (pow b 2))
65.0ms
(* (pow eps 3) (pow b 3))

simplify1.1s

Counts
182 → 182
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02502347
15481998
220541676
done50011658

prune737.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 49.6b

localize36.0ms

Local error

Found 4 expressions with local error:

5.8b
(* (* (pow eps 3) (* b b)) (pow (cbrt b) 3))
6.0b
(- (exp (* (+ a b) eps)) 1.0)
13.2b
(* (pow eps 3) (* b b))
16.9b
(* (pow eps 2) (pow b 2))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
85×add-exp-log
66×prod-exp
44×add-sqr-sqrt
27×associate-*r*
25×*-un-lft-identity
24×unpow-prod-down
23×add-cube-cbrt
21×pow-to-exp associate-*l* pow-exp
20×add-cbrt-cube unswap-sqr
13×sqr-pow
10×cube-prod cbrt-unprod unpow2
prod-diff
cbrt-prod add-log-exp
pow1 expm1-log1p-u log1p-expm1-u
fma-neg *-commutative
cube-mult unpow3
sub-neg flip3-- diff-log pow-prod-down flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 169
Calls
4 calls:
29.0ms
(* (* (pow eps 3) (* b b)) (pow (cbrt b) 3))
6.0ms
(- (exp (* (+ a b) eps)) 1.0)
10.0ms
(* (pow eps 3) (* b b))
9.0ms
(* (pow eps 2) (pow b 2))

series217.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(* (* (pow eps 3) (* b b)) (pow (cbrt b) 3))
50.0ms
(- (exp (* (+ a b) eps)) 1.0)
39.0ms
(* (pow eps 3) (* b b))
36.0ms
(* (pow eps 2) (pow b 2))

simplify1.3s

Counts
181 → 181
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02512385
16181850
223051529
done50001520

prune902.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 49.6b

localize35.0ms

Local error

Found 4 expressions with local error:

5.8b
(* (* (pow eps 3) (* b b)) (pow (cbrt b) 3))
6.0b
(- (exp (* (+ a b) eps)) 1.0)
13.2b
(* (pow eps 3) (* b b))
16.9b
(* (pow eps 2) (pow b 2))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
85×add-exp-log
66×prod-exp
44×add-sqr-sqrt
27×associate-*r*
25×*-un-lft-identity
24×unpow-prod-down
23×add-cube-cbrt
21×pow-to-exp associate-*l* pow-exp
20×add-cbrt-cube unswap-sqr
13×sqr-pow
10×cube-prod cbrt-unprod unpow2
prod-diff
cbrt-prod add-log-exp
pow1 expm1-log1p-u log1p-expm1-u
fma-neg *-commutative
cube-mult unpow3
sub-neg flip3-- diff-log pow-prod-down flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 169
Calls
4 calls:
28.0ms
(* (* (pow eps 3) (* b b)) (pow (cbrt b) 3))
5.0ms
(- (exp (* (+ a b) eps)) 1.0)
13.0ms
(* (pow eps 3) (* b b))
9.0ms
(* (pow eps 2) (pow b 2))

series212.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(* (* (pow eps 3) (* b b)) (pow (cbrt b) 3))
46.0ms
(- (exp (* (+ a b) eps)) 1.0)
41.0ms
(* (pow eps 3) (* b b))
32.0ms
(* (pow eps 2) (pow b 2))

simplify1.3s

Counts
181 → 181
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02512385
16181850
223051529
done50001520

prune729.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 49.6b

regimes202.0ms

Accuracy

51.8% (4.1b remaining)

Error of 53.4b against oracle of 49.3b and baseline of 57.9b

bsearch314.0ms

Steps
ItersRangePoint
11
3.9777289923527025e+45
6.762908678833405e+72
6.566435701181497e+46
5
-2.350670412092924e+26
-9.509086209243448e+25
-2.3194785649155656e+26

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
046135
16192
done6192

end0.0ms

sample7.0s

Algorithm
intervals
Results
2.6s2599×body2560valid
1.8s2102×body10240exit
1.7s3417×body1280valid
298.0ms1057×body640valid
175.0ms10105×pre80true
68.0ms360×body320valid
24.0ms439×body80valid
16.0ms131×body160valid