Details

Time bar (total: 11.9s)

sample219.0ms

Algorithm
intervals
Results
84.0ms90×body2560valid
50.0ms102×body1280valid
49.0ms55×body10240exit
10.0ms35×body640valid
5.0ms311×pre80true
2.0ms13×body320valid
1.0ms13×body80valid
0.0msbody160valid

simplify93.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04013
110113
224513
369713
4346313
5500113
done500113

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 60.6b

localize17.0ms

Local error

Found 4 expressions with local error:

1.5b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
2.7b
(- (exp (* a eps)) 1.0)
3.0b
(- (exp (* b eps)) 1.0)
4.8b
(- (exp (* (+ a b) eps)) 1.0)

rewrite125.0ms

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:
78.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
16.0ms
(- (exp (* a eps)) 1.0)
13.0ms
(- (exp (* b eps)) 1.0)
15.0ms
(- (exp (* (+ a b) eps)) 1.0)

series180.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
36.0ms
(- (exp (* a eps)) 1.0)
38.0ms
(- (exp (* b eps)) 1.0)
51.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify47.0ms

Counts
88 → 88
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0346733
11449673
25001673
done5001673

prune366.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 50.1b

localize30.0ms

Local error

Found 4 expressions with local error:

4.2b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (* (pow eps 3) (pow b 3))) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
4.8b
(- (exp (* (+ a b) eps)) 1.0)
14.0b
(* (pow eps 2) (pow b 2))
15.8b
(* (pow eps 3) (pow b 3))

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
56×add-sqr-sqrt
40×add-exp-log
32×unswap-sqr
28×unpow-prod-down
22×prod-exp
20×associate-*r* associate-*l* add-cbrt-cube sqr-pow
16×*-un-lft-identity
14×add-cube-cbrt cube-prod
12×pow-to-exp pow-exp
10×unpow2
associate-/r/
cbrt-unprod add-log-exp
flip3-- flip--
pow1 cbrt-undiv frac-times associate-*r/ div-exp
flip3-+ flip-+
cube-mult unpow3 pow-prod-down associate-*l/ *-commutative associate-/l/
sub-neg frac-2neg times-frac diff-log clear-num associate-/r* div-inv associate-/l* distribute-lft-out-- difference-of-squares
Counts
4 → 155
Calls
4 calls:
114.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (* (pow eps 3) (pow b 3))) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
15.0ms
(- (exp (* (+ a b) eps)) 1.0)
22.0ms
(* (pow eps 2) (pow b 2))
21.0ms
(* (pow eps 3) (pow b 3))

series1.7s

Counts
4 → 12
Calls
4 calls:
1.6s
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (* (pow eps 3) (pow b 3))) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
51.0ms
(- (exp (* (+ a b) eps)) 1.0)
39.0ms
(* (pow eps 2) (pow b 2))
65.0ms
(* (pow eps 3) (pow b 3))

simplify47.0ms

Counts
167 → 167
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
08481789
150011488
done50011488

prune720.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite24.0ms

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:
23.0ms
(+ (/ 1 b) (/ 1 a))

series11.0ms

Counts
1 → 3
Calls
1 calls:
11.0ms
(+ (/ 1 b) (/ 1 a))

simplify63.0ms

Counts
22 → 22
Iterations

Useful iterations: 3 (25.0ms)

IterNodesCost
0101104
134594
2115391
3277590
4500190
done500190

prune49.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.2b

localize8.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
0.6b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.6b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.6b
(cbrt (+ (/ 1 b) (/ 1 a)))

rewrite231.0ms

Algorithm
rewrite-expression-head
Rules
139×*-un-lft-identity
114×cbrt-prod
81×distribute-lft-out
60×div-inv
42×times-frac
37×add-sqr-sqrt
33×cbrt-div swap-sqr
29×add-cube-cbrt
13×associate-*r* associate-*l*
11×pow1 flip3-+ frac-add flip-+
frac-times pow1/3
add-exp-log
add-cbrt-cube add-log-exp unswap-sqr
associate-*r/ associate-*l/
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 159
Calls
4 calls:
162.0ms
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
18.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
19.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
22.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))

series373.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
90.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
87.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
89.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))

simplify57.0ms

Counts
171 → 171
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
03891813
115571563
250011403
done50011403

prune301.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.2b

regimes285.0ms

Accuracy

0% (3.3b remaining)

Error of 3.5b against oracle of 0.1b and baseline of 3.5b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
093
193
done93

end0.0ms

sample6.8s

Algorithm
intervals
Results
2.5s2609×body2560valid
1.7s2039×body10240exit
1.6s3403×body1280valid
282.0ms1053×body640valid
161.0ms10041×pre80true
63.0ms340×body320valid
26.0ms464×body80valid
15.0ms133×body160valid