Details

Time bar (total: 51.5s)

sample59.0ms

Algorithm
intervals
Results
34.0ms296×body80valid

simplify3.8s

Counts
1 → 1
Iterations
IterNodes
done5000
41566
3370
289
131
015

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 10.2b

localize39.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.5b
(/ 1.0 (- (* b b) (* a a)))
2.6b
(- (* b b) (* a a))
7.0b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite551.0ms

Algorithm
rewrite-expression-head
Rules
515×times-frac
419×add-sqr-sqrt
403×*-un-lft-identity
395×add-cube-cbrt
339×prod-diff
171×distribute-rgt-in distribute-lft-in
57×div-inv
36×add-exp-log add-cbrt-cube
30×associate-*r*
14×frac-times associate-*l*
13×prod-exp cbrt-unprod
12×difference-of-squares
11×pow1
cbrt-undiv div-exp
associate-*r/ associate-*l/
flip3-- flip--
add-log-exp
distribute-lft-out--
expm1-log1p-u pow-prod-down associate-/r* associate-/r/ frac-sub log1p-expm1-u unswap-sqr
sub-neg associate-/l*
*-commutative
frac-2neg fma-neg diff-log clear-num
Counts
4 → 501
Calls
4 calls:
109.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
28.0ms
(/ 1.0 (- (* b b) (* a a)))
17.0ms
(- (* b b) (* a a))
315.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series399.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
57.0ms
(/ 1.0 (- (* b b) (* a a)))
55.0ms
(- (* b b) (* a a))
186.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify4.8s

Counts
513 → 513
Iterations
IterNodes
done5000
12893
0886

prune6.4s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 6.8b

localize51.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.2b
(* (/ (/ PI 2.0) (+ a b)) (/ 1.0 (- b a)))
0.3b
(/ (/ PI 2.0) (+ a b))
7.0b
(* (* (/ (/ PI 2.0) (+ a b)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite791.0ms

Algorithm
rewrite-expression-head
Rules
940×times-frac
738×*-un-lft-identity
713×add-sqr-sqrt
662×add-cube-cbrt
507×prod-diff
171×distribute-rgt-in distribute-lft-in
95×div-inv
59×add-exp-log associate-*l* add-cbrt-cube
33×associate-*r*
27×distribute-lft-out
21×cbrt-undiv div-exp
19×prod-exp cbrt-unprod
14×frac-times
13×fma-neg associate-/l* distribute-lft-out--
11×pow1 difference-of-squares
associate-*r/ associate-*l/
flip3-- associate-/r/ flip-- add-log-exp unswap-sqr
frac-sub
expm1-log1p-u pow-prod-down associate-/r* log1p-expm1-u
sub-neg
flip3-+ *-commutative flip-+
frac-2neg diff-log clear-num associate-/l/
Counts
4 → 801
Calls
4 calls:
67.0ms
(- (/ 1.0 a) (/ 1.0 b))
164.0ms
(* (/ (/ PI 2.0) (+ a b)) (/ 1.0 (- b a)))
34.0ms
(/ (/ PI 2.0) (+ a b))
377.0ms
(* (* (/ (/ PI 2.0) (+ a b)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series484.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(- (/ 1.0 a) (/ 1.0 b))
122.0ms
(* (/ (/ PI 2.0) (+ a b)) (/ 1.0 (- b a)))
92.0ms
(/ (/ PI 2.0) (+ a b))
211.0ms
(* (* (/ (/ PI 2.0) (+ a b)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify5.4s

Counts
813 → 813
Iterations
IterNodes
done5001
13338
01025

prune9.1s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize55.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.2b
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ a b))
0.3b
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
0.4b
(* (/ PI 2.0) (/ 1.0 (- b a)))

rewrite853.0ms

Algorithm
rewrite-expression-head
Rules
763×times-frac
622×add-sqr-sqrt
606×*-un-lft-identity
580×add-cube-cbrt
507×prod-diff
171×distribute-rgt-in distribute-lft-in
86×div-inv
59×add-exp-log add-cbrt-cube
33×associate-*r*
27×frac-times
22×prod-exp cbrt-unprod
18×cbrt-undiv div-exp
15×associate-*r/ associate-*l/ associate-/l/
14×associate-*l*
13×fma-neg distribute-lft-out--
11×pow1 difference-of-squares
10×flip3-- flip--
frac-sub
add-log-exp
expm1-log1p-u pow-prod-down associate-/r* associate-/r/ log1p-expm1-u unswap-sqr
sub-neg
*-commutative distribute-lft-out
frac-2neg flip3-+ diff-log clear-num flip-+ associate-/l*
Counts
4 → 708
Calls
4 calls:
59.0ms
(- (/ 1.0 a) (/ 1.0 b))
270.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ a b))
296.0ms
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
92.0ms
(* (/ PI 2.0) (/ 1.0 (- b a)))

series560.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(- (/ 1.0 a) (/ 1.0 b))
182.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ a b))
192.0ms
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
110.0ms
(* (/ PI 2.0) (/ 1.0 (- b a)))

simplify5.2s

Counts
720 → 720
Iterations
IterNodes
done5002
13031
0924

prune8.0s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (* 0.5 (/ PI (* a b))) (+ a b))
0.6b
(/ PI (* a b))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
21×add-exp-log add-cbrt-cube
10×*-un-lft-identity
cbrt-undiv div-exp
times-frac
add-sqr-sqrt add-cube-cbrt
prod-exp associate-/r* cbrt-unprod
associate-/l*
pow1 expm1-log1p-u frac-2neg clear-num associate-/r/ log1p-expm1-u div-inv distribute-lft-out add-log-exp
flip3-+ associate-*r/ flip-+ associate-/l/
Counts
2 → 55
Calls
2 calls:
54.0ms
(/ (* 0.5 (/ PI (* a b))) (+ a b))
26.0ms
(/ PI (* a b))

series197.0ms

Counts
2 → 6
Calls
2 calls:
153.0ms
(/ (* 0.5 (/ PI (* a b))) (+ a b))
44.0ms
(/ PI (* a b))

simplify2.1s

Counts
61 → 61
Iterations
IterNodes
done5015
21230
1297
0111

prune398.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

regimes253.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done12
112
09

end0.0ms

sample1.8s

Algorithm
intervals
Results
1.5s9606×body80valid