Details

Time bar (total: 28.6s)

sample396.0ms

Algorithm
intervals
Results
116.0ms87×body10240exit
105.0ms78×body2560valid
78.0ms106×body1280valid
55.0ms40×body640valid
8.0ms343×pre80true
2.0msbody320valid
2.0ms19×body80valid
1.0msbody160valid

simplify2.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01724
14024
210124
324524
469924
5358324
done500224

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.1b

localize34.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
2.3b
(- (exp (* b eps)) 1.0)
4.0b
(- (exp (* a eps)) 1.0)
5.2b
(- (exp (* (+ a b) eps)) 1.0)

rewrite123.0ms

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:
77.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
18.0ms
(- (exp (* b eps)) 1.0)
12.0ms
(- (exp (* a eps)) 1.0)
14.0ms
(- (exp (* (+ a b) eps)) 1.0)

series201.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
42.0ms
(- (exp (* b eps)) 1.0)
50.0ms
(- (exp (* a eps)) 1.0)
52.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify709.0ms

Counts
88 → 88
Iterations

Useful iterations: done (707.0ms)

IterNodesCost
01431364
13551326
216351198
done50011196

prune486.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 47.4b

localize50.0ms

Local error

Found 4 expressions with local error:

4.0b
(- (exp (* a eps)) 1.0)
5.2b
(- (exp (* (+ a b) eps)) 1.0)
15.1b
(* (pow eps 2) (pow b 2))
17.3b
(* (pow eps 3) (pow b 3))

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
58×add-sqr-sqrt
32×unswap-sqr
28×add-exp-log unpow-prod-down
20×associate-*r* associate-*l* sqr-pow
18×*-un-lft-identity prod-exp
14×add-cube-cbrt cube-prod
12×pow-to-exp pow-exp
10×unpow2
add-cbrt-cube add-log-exp
pow1
cube-mult sub-neg flip3-- diff-log unpow3 pow-prod-down *-commutative flip-- cbrt-unprod distribute-lft-out-- difference-of-squares
Counts
4 → 138
Calls
4 calls:
13.0ms
(- (exp (* a eps)) 1.0)
32.0ms
(- (exp (* (+ a b) eps)) 1.0)
38.0ms
(* (pow eps 2) (pow b 2))
40.0ms
(* (pow eps 3) (pow b 3))

series280.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(- (exp (* a eps)) 1.0)
81.0ms
(- (exp (* (+ a b) eps)) 1.0)
41.0ms
(* (pow eps 2) (pow b 2))
108.0ms
(* (pow eps 3) (pow b 3))

simplify3.0s

Counts
150 → 150
Iterations

Useful iterations: done (3.0s)

IterNodesCost
02071707
14911532
231861328
done50011323

prune960.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 46.6b

localize85.0ms

Local error

Found 4 expressions with local error:

3.6b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (pow (* b eps) 3)) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
4.0b
(- (exp (* a eps)) 1.0)
5.2b
(- (exp (* (+ a b) eps)) 1.0)
15.1b
(* (pow eps 2) (pow b 2))

rewrite215.0ms

Algorithm
rewrite-expression-head
Rules
28×add-exp-log add-sqr-sqrt
18×add-cbrt-cube
16×unswap-sqr
14×unpow-prod-down
13×prod-exp
12×*-un-lft-identity
10×unpow2 sqr-pow
add-cube-cbrt associate-*r* associate-*l* associate-/r/ add-log-exp
pow-to-exp flip3-- pow-exp flip--
cbrt-unprod
pow1 cbrt-undiv frac-times associate-*r/ div-exp
flip3-+ flip-+
sub-neg diff-log associate-*l/ associate-/l/ distribute-lft-out-- difference-of-squares
frac-2neg times-frac pow-prod-down clear-num associate-/r* *-commutative div-inv associate-/l*
Counts
4 → 110
Calls
4 calls:
147.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (pow (* b eps) 3)) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
12.0ms
(- (exp (* a eps)) 1.0)
15.0ms
(- (exp (* (+ a b) eps)) 1.0)
36.0ms
(* (pow eps 2) (pow b 2))

series2.4s

Counts
4 → 12
Calls
4 calls:
2.2s
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (pow (* b eps) 3)) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
45.0ms
(- (exp (* a eps)) 1.0)
75.0ms
(- (exp (* (+ a b) eps)) 1.0)
49.0ms
(* (pow eps 2) (pow b 2))

simplify579.0ms

Counts
122 → 122
Iterations

Useful iterations: done (573.0ms)

IterNodesCost
02503081
17612972
done50002368

prune825.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 1 expressions with local error:

0.0b
(+ (/ 1 b) (/ 1 a))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
distribute-lft-out
times-frac
div-inv
add-sqr-sqrt add-cube-cbrt add-log-exp
pow1 add-exp-log +-commutative flip3-+ frac-add sum-log add-cbrt-cube flip-+
Counts
1 → 19
Calls
1 calls:
28.0ms
(+ (/ 1 b) (/ 1 a))

series14.0ms

Counts
1 → 3
Calls
1 calls:
13.0ms
(+ (/ 1 b) (/ 1 a))

simplify1.1s

Counts
22 → 22
Iterations

Useful iterations: 3 (269.0ms)

IterNodesCost
040229
1102216
2360196
31364194
done5001194

prune50.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

regimes106.0ms

Accuracy

0% (3.2b remaining)

Error of 3.3b against oracle of 0.1b and baseline of 3.3b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
done97

end0.0ms

sample14.3s

Algorithm
intervals
Results
5.1s2536×body2560valid
3.6s1871×body10240exit
3.3s3467×body1280valid
960.0ms9873×pre80true
623.0ms1091×body640valid
122.0ms336×body320valid
42.0ms433×body80valid
31.0ms139×body160valid