Details

Time bar (total: 4.3s)

sample30.0ms

Algorithm
intervals
Results
20.0ms307×body80valid

simplify38.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03010
18910
237710
3177910
4500110

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 14.6b

Counts
2 → 1

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.6b
(/ 1.0 (- (* b b) (* a a)))
5.5b
(- (* b b) (* a a))
8.0b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite52.0ms

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:
14.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
5.0ms
(/ 1.0 (- (* b b) (* a a)))
4.0ms
(- (* b b) (* a a))
24.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series226.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
41.0ms
(/ 1.0 (- (* b b) (* a a)))
30.0ms
(- (* b b) (* a a))
97.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify105.0ms

Algorithm
egg-herbie
Counts
165 → 165
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
08041567
145031342
250021342

prune340.0ms

Filtered
165 candidates to 119 candidates (72.1%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1587165
Fresh000
Picked101
Done000
Total1597166

Merged error: 7.8b

Counts
166 → 7

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.2b
(/ (/ 1.0 (+ b a)) (- b a))
0.2b
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
8.0b
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
350×times-frac
298×*-un-lft-identity
261×add-sqr-sqrt
142×add-cube-cbrt
108×associate-*r*
59×add-exp-log add-cbrt-cube
47×distribute-lft-out--
45×difference-of-squares
33×distribute-lft-out
26×associate-/r/
21×cbrt-undiv div-exp
19×prod-exp cbrt-unprod
18×div-inv associate-/l*
14×frac-times associate-*l*
11×pow1 flip3-+ flip-+
associate-*r/ associate-*l/
flip3-- flip--
add-log-exp unswap-sqr
associate-/r* frac-sub
pow-prod-down
sub-neg
distribute-rgt-in distribute-lft-in *-commutative
frac-2neg diff-log clear-num associate-/l/
Counts
4 → 347
Calls
4 calls:
15.0ms
(- (/ 1.0 a) (/ 1.0 b))
11.0ms
(/ (/ 1.0 (+ b a)) (- b a))
41.0ms
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
36.0ms
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series244.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(- (/ 1.0 a) (/ 1.0 b))
47.0ms
(/ (/ 1.0 (+ b a)) (- b a))
65.0ms
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
97.0ms
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify64.0ms

Algorithm
egg-herbie
Counts
359 → 359
Iterations

Useful iterations: 1 (31.0ms)

IterNodesCost
014983481
150023169

prune689.0ms

Filtered
359 candidates to 229 candidates (63.8%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New3572359
Fresh156
Picked011
Done000
Total3588366

Merged error: 0.0b

Counts
366 → 8

localize12.0ms

Local error

Found 4 expressions with local error:

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

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
50×add-exp-log add-cbrt-cube
47×add-sqr-sqrt
40×*-un-lft-identity
34×times-frac
30×associate-*r*
21×prod-exp cbrt-unprod
18×add-cube-cbrt
17×associate-*r/
12×cbrt-undiv div-exp
11×pow1
10×distribute-lft-out--
difference-of-squares
associate-/l/
frac-times flip3-- flip-- div-inv add-log-exp
frac-sub
associate-*l* pow-prod-down associate-/r/
sub-neg distribute-lft-out
distribute-rgt-in distribute-lft-in associate-*l/ *-commutative unswap-sqr
frac-2neg flip3-+ diff-log clear-num associate-/r* flip-+ associate-/l*
Counts
4 → 137
Calls
4 calls:
13.0ms
(- (/ 1.0 a) (/ 1.0 b))
30.0ms
(/ (* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
21.0ms
(* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
10.0ms
(* PI (/ 1.0 (+ b a)))

series282.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(- (/ 1.0 a) (/ 1.0 b))
94.0ms
(/ (* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
101.0ms
(* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
55.0ms
(* PI (/ 1.0 (+ b a)))

simplify233.0ms

Algorithm
egg-herbie
Counts
149 → 149
Iterations

Useful iterations: 1 (19.0ms)

IterNodesCost
07621319
146861036
250011036

prune295.0ms

Filtered
149 candidates to 97 candidates (65.1%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New1445149
Fresh246
Picked101
Done011
Total14710157

Merged error: 0b

Counts
157 → 10

localize11.0ms

Local error

Found 4 expressions with local error:

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

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
50×add-exp-log add-cbrt-cube
39×add-sqr-sqrt
35×*-un-lft-identity
29×times-frac
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
13×add-cube-cbrt
12×associate-*r*
10×associate-*l* distribute-lft-out--
associate-*r/ difference-of-squares
div-inv associate-/l/
pow1 frac-times flip3-- associate-/r/ flip-- add-log-exp
associate-/r* frac-sub
sub-neg distribute-lft-out
distribute-rgt-in frac-2neg distribute-lft-in flip3-+ associate-*l/ clear-num flip-+ associate-/l*
diff-log pow-prod-down *-commutative unswap-sqr
Counts
4 → 134
Calls
4 calls:
13.0ms
(- (/ 1.0 a) (/ 1.0 b))
24.0ms
(/ (* (/ (* PI 1.0) (+ b a)) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
25.0ms
(* (/ (* PI 1.0) (+ b a)) (- (/ 1.0 a) (/ 1.0 b)))
6.0ms
(/ (* PI 1.0) (+ b a))

series279.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(- (/ 1.0 a) (/ 1.0 b))
92.0ms
(/ (* (/ (* PI 1.0) (+ b a)) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
100.0ms
(* (/ (* PI 1.0) (+ b a)) (- (/ 1.0 a) (/ 1.0 b)))
53.0ms
(/ (* PI 1.0) (+ b a))

simplify97.0ms

Algorithm
egg-herbie
Counts
146 → 146
Iterations

Useful iterations: 1 (20.0ms)

IterNodesCost
07421334
143571050
250011050

prune243.0ms

Filtered
146 candidates to 95 candidates (65.1%)
Pruning

10 alts after pruning (8 fresh and 2 done)

PrunedKeptTotal
New1451146
Fresh178
Picked011
Done011
Total14610156

Merged error: 0b

Counts
156 → 10

regimes68.0ms

Accuracy

0% (0.3b 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
01910
11910

end0.0ms

sample684.0ms

Algorithm
intervals
Results
521.0ms9660×body80valid