Details

Time bar (total: 28.6s)

sample464.0ms

Algorithm
intervals
Results
168.0ms73×body10240exit
143.0ms90×body2560valid
86.0ms105×body1280valid
16.0ms29×body640valid
9.0ms329×pre80true
4.0ms11×body320valid
2.0ms16×body80valid
1.0msbody160valid

simplify1.8s

Counts
1 → 1
Iterations
IterNodes
done5001
53569
4699
3245
2101
140
017

prune20.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.6b

localize42.0ms

Local error

Found 4 expressions with local error:

0.7b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
3.1b
(- (exp (* b eps)) 1.0)
3.4b
(- (exp (* a eps)) 1.0)
5.4b
(- (exp (* (+ a b) eps)) 1.0)

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×*-un-lft-identity
10×add-log-exp
flip3-- flip--
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sub-neg associate-*r* associate-*l* distribute-lft-out-- difference-of-squares
frac-times
diff-log
distribute-rgt-in distribute-lft-in associate-*l/ associate-*r/
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 76
Calls
4 calls:
82.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
18.0ms
(- (exp (* b eps)) 1.0)
19.0ms
(- (exp (* a eps)) 1.0)
14.0ms
(- (exp (* (+ a b) eps)) 1.0)

series259.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
51.0ms
(- (exp (* b eps)) 1.0)
44.0ms
(- (exp (* a eps)) 1.0)
87.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify777.0ms

Counts
88 → 88
Iterations
IterNodes
done5001
21625
1356
0143

prune736.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 48.7b

localize78.0ms

Local error

Found 4 expressions with local error:

4.8b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (+ (+ (* (* (* eps eps) 1/2) (* a a)) (* eps a)) (* (* (pow a 3) 1/6) (pow eps 3))) (- (exp (* b eps)) 1.0)))
5.4b
(- (exp (* (+ a b) eps)) 1.0)
13.2b
(* (* (* eps eps) 1/2) (* a a))
15.6b
(* (* (pow a 3) 1/6) (pow eps 3))

rewrite458.0ms

Algorithm
rewrite-expression-head
Rules
63×add-exp-log
42×add-cbrt-cube
40×prod-exp
25×pow1
22×cbrt-unprod
15×pow-prod-down
13×associate-*r*
add-sqr-sqrt *-un-lft-identity
associate-/r/
pow-to-exp pow-exp add-cube-cbrt
add-log-exp
flip3-- flip--
frac-times cbrt-undiv div-exp associate-*r/
unpow-prod-down flip3-+ cube-prod flip-+
associate-*l* associate-*l/ *-commutative associate-/l/
cube-mult clear-num associate-/r* sub-neg frac-2neg times-frac diff-log unpow3 div-inv associate-/l* distribute-lft-out-- difference-of-squares sqr-pow
Counts
4 → 108
Calls
4 calls:
326.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (+ (+ (* (* (* eps eps) 1/2) (* a a)) (* eps a)) (* (* (pow a 3) 1/6) (pow eps 3))) (- (exp (* b eps)) 1.0)))
11.0ms
(- (exp (* (+ a b) eps)) 1.0)
68.0ms
(* (* (* eps eps) 1/2) (* a a))
45.0ms
(* (* (pow a 3) 1/6) (pow eps 3))

series1.4s

Counts
4 → 12
Calls
4 calls:
1.2s
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (+ (+ (* (* (* eps eps) 1/2) (* a a)) (* eps a)) (* (* (pow a 3) 1/6) (pow eps 3))) (- (exp (* b eps)) 1.0)))
61.0ms
(- (exp (* (+ a b) eps)) 1.0)
65.0ms
(* (* (* eps eps) 1/2) (* a a))
96.0ms
(* (* (pow a 3) 1/6) (pow eps 3))

simplify563.0ms

Counts
120 → 120
Iterations
IterNodes
done5000
1907
0272

prune883.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize11.0ms

Local error

Found 1 expressions with local error:

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

rewrite23.0ms

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 +-commutative sum-log flip3-+ add-cbrt-cube frac-add add-exp-log flip-+
Counts
1 → 19
Calls
1 calls:
22.0ms
(+ (/ 1 a) (/ 1 b))

series21.0ms

Counts
1 → 3
Calls
1 calls:
20.0ms
(+ (/ 1 a) (/ 1 b))

simplify1.3s

Counts
22 → 22
Iterations
IterNodes
done5000
31500
2381
1102
040

prune129.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.2b

localize15.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (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)))

rewrite323.0ms

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-*l/ associate-*r/
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 159
Calls
4 calls:
239.0ms
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
17.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
36.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
17.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))

series534.0ms

Counts
4 → 12
Calls
4 calls:
151.0ms
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
142.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
129.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
112.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))

simplify1.4s

Counts
171 → 171
Iterations
IterNodes
done5000
21903
1425
0178

prune634.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.2b

regimes390.0ms

Accuracy

89% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 3.2b

bsearch5.0ms

simplify4.0ms

Iterations
IterNodes
done39
139
027

end0.0ms

sample16.2s

Algorithm
intervals
Results
5.0s2615×body2560valid
4.3s3397×body1280valid
3.9s1968×body10240exit
1.1s1066×body640valid
882.0ms9969×pre80true
180.0ms354×body320valid
117.0ms436×body80valid
32.0ms133×body160valid