Details

Time bar (total: 3.4s)

analyze220.0ms

Algorithm
search

sample23.0ms

Algorithm
intervals
Results
14.0ms256×body80valid
1.0ms14×body80invalid

simplify38.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03010
18910
237710
3177910
4500110

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 12.0b

Counts
2 → 1

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.4b
(/ 1.0 (- (* b b) (* a a)))
3.2b
(- (* b b) (* a a))
8.3b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
55×add-sqr-sqrt
47×times-frac
39×*-un-lft-identity
36×add-exp-log add-cbrt-cube
31×add-cube-cbrt
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
div-inv distribute-lft-out--
pow-prod-down associate-/r* associate-/r/ frac-sub unswap-sqr
sub-neg associate-/l*
distribute-rgt-in distribute-lft-in *-commutative
frac-2neg diff-log clear-num
Counts
4 → 153
Calls
4 calls:
13.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
5.0ms
(/ 1.0 (- (* b b) (* a a)))
3.0ms
(- (* b b) (* a a))
24.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series34.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
7.0ms
(/ 1.0 (- (* b b) (* a a)))
6.0ms
(- (* b b) (* a a))
13.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify109.0ms

Algorithm
egg-herbie
Counts
165 → 165
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
08041567
145031342
250011342

prune235.0ms

Filtered
119 candidates to 165 candidates (-38.7%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New1578165
Fresh000
Picked101
Done000
Total1588166

Merged error: 8.1b

Counts
166 → 8

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.2b
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
0.2b
(/ (/ PI 2.0) (+ b a))
8.3b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
229×times-frac
185×*-un-lft-identity
160×add-sqr-sqrt
109×add-cube-cbrt
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
16×div-inv
14×frac-times
13×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
pow-prod-down associate-/r*
sub-neg
distribute-rgt-in distribute-lft-in flip3-+ *-commutative flip-+
frac-2neg diff-log clear-num associate-/l/
Counts
4 → 273
Calls
4 calls:
14.0ms
(- (/ 1.0 a) (/ 1.0 b))
30.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
7.0ms
(/ (/ PI 2.0) (+ b a))
30.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series33.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(- (/ 1.0 a) (/ 1.0 b))
9.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
7.0ms
(/ (/ PI 2.0) (+ b a))
13.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify56.0ms

Algorithm
egg-herbie
Counts
285 → 285
Iterations

Useful iterations: 1 (27.0ms)

IterNodesCost
012702599
150012298

prune381.0ms

Filtered
194 candidates to 285 candidates (-46.9%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New2805285
Fresh437
Picked101
Done000
Total2858293

Merged error: 0.0b

Counts
293 → 8

localize13.0ms

Local error

Found 4 expressions with local error:

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

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
122×times-frac
108×*-un-lft-identity
88×add-sqr-sqrt
60×add-cube-cbrt
43×add-exp-log add-cbrt-cube
14×cbrt-undiv div-exp prod-exp cbrt-unprod distribute-lft-out associate-/l*
12×associate-*r* distribute-lft-out--
11×div-inv
10×associate-*l/ difference-of-squares
pow1 associate-/r*
associate-/l/
frac-times flip3-- associate-*r/ flip-- add-log-exp
frac-sub
associate-/r/
sub-neg pow-prod-down
distribute-rgt-in frac-2neg distribute-lft-in clear-num
flip3-+ diff-log associate-*l* *-commutative flip-+
Counts
4 → 190
Calls
4 calls:
12.0ms
(- (/ 1.0 a) (/ 1.0 b))
27.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
8.0ms
(/ (/ PI 2.0) (+ b a))
26.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series38.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(- (/ 1.0 a) (/ 1.0 b))
13.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
7.0ms
(/ (/ PI 2.0) (+ b a))
14.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify111.0ms

Algorithm
egg-herbie
Counts
202 → 202
Iterations

Useful iterations: 1 (23.0ms)

IterNodesCost
09311844
145831596
250021596

prune259.0ms

Filtered
136 candidates to 202 candidates (-48.5%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New1975202
Fresh347
Picked101
Done000
Total2019210

Merged error: 0b

Counts
210 → 9

localize12.0ms

Local error

Found 4 expressions with local error:

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

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
337×times-frac
308×add-sqr-sqrt
288×*-un-lft-identity
114×add-cube-cbrt
85×distribute-lft-out--
73×difference-of-squares
66×associate-*r*
43×add-exp-log add-cbrt-cube
32×div-inv
25×associate-/l*
14×cbrt-undiv div-exp prod-exp cbrt-unprod distribute-lft-out
pow1 associate-/r*
associate-/r/ add-log-exp
flip3-- flip-- associate-/l/
pow-prod-down associate-*l/
frac-2neg clear-num frac-sub
frac-times sub-neg flip3-+ diff-log div-sub associate-*r/ associate-*l* *-commutative flip-+
Counts
4 → 299
Calls
4 calls:
12.0ms
(- (/ 1.0 a) (/ 1.0 b))
33.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)))
8.0ms
(/ (/ PI 2.0) (+ b a))
20.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))

series32.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(- (/ 1.0 a) (/ 1.0 b))
13.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)))
7.0ms
(/ (/ PI 2.0) (+ b a))
7.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))

simplify61.0ms

Algorithm
egg-herbie
Counts
311 → 311
Iterations

Useful iterations: 1 (27.0ms)

IterNodesCost
012453083
150022836

prune410.0ms

Filtered
207 candidates to 311 candidates (-50.2%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New3101311
Fresh178
Picked101
Done000
Total3128320

Merged error: 0b

Counts
320 → 8

regimes104.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0167
1167

end0.0ms

analyze223.0ms

Algorithm
search

sample621.0ms

Algorithm
intervals
Results
462.0ms8000×body80valid
22.0ms386×body80invalid

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