Details

Time bar (total: 3.6s)

sample335.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0%

Guaranteed chance to sample good point: 96.899414%

Results
17.0ms299×body80valid

simplify41.0ms

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: 14.7b

Counts
2 → 1

localize13.0ms

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)))
3.5b
(- (* b b) (* a a))
10.6b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite53.0ms

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))
25.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series33.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
6.0ms
(/ 1.0 (- (* b b) (* a a)))
6.0ms
(- (* b b) (* a a))
12.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify117.0ms

Algorithm
egg-herbie
Counts
165 → 165
Iterations

Useful iterations: 1 (23.0ms)

IterNodesCost
08041567
145031342
250011342

prune241.0ms

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

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New1569165
Fresh000
Picked101
Done000
Total1579166

Merged error: 10.4b

Counts
166 → 9

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.1b
(/ (/ 1.0 (+ b a)) (- b a))
0.2b
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
10.6b
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite119.0ms

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:
12.0ms
(- (/ 1.0 a) (/ 1.0 b))
11.0ms
(/ (/ 1.0 (+ b a)) (- b a))
43.0ms
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
32.0ms
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series39.0ms

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

simplify72.0ms

Algorithm
egg-herbie
Counts
359 → 359
Iterations

Useful iterations: 1 (35.0ms)

IterNodesCost
014983481
150023169

prune462.0ms

Filtered
230 candidates to 359 candidates (-56.1%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New3545359
Fresh538
Picked011
Done000
Total3599368

Merged error: 0.1b

Counts
368 → 9

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.1b
(/ (* (* 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)))
0.4b
(* PI (/ 1.0 (+ b a)))

rewrite77.0ms

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:
12.0ms
(- (/ 1.0 a) (/ 1.0 b))
28.0ms
(/ (* (* 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)))

series37.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(- (/ 1.0 a) (/ 1.0 b))
12.0ms
(/ (* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
13.0ms
(* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
7.0ms
(* PI (/ 1.0 (+ b a)))

simplify111.0ms

Algorithm
egg-herbie
Counts
149 → 149
Iterations

Useful iterations: 1 (20.0ms)

IterNodesCost
07621319
146861036
250011036

prune189.0ms

Filtered
96 candidates to 149 candidates (-55.2%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New1445149
Fresh437
Picked101
Done101
Total1508158

Merged error: 0b

Counts
158 → 8

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.1b
(/ (/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (* 2.0 (- b a)))
0.2b
(/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
0.4b
(* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b)))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
50×add-exp-log add-cbrt-cube
42×times-frac
39×add-sqr-sqrt *-un-lft-identity
17×cbrt-undiv div-exp
16×prod-exp cbrt-unprod
15×add-cube-cbrt
12×associate-*r*
11×associate-/l*
10×distribute-lft-out--
pow1
associate-*r/ associate-/r/ div-inv difference-of-squares
add-log-exp
associate-/r*
flip3-- flip-- associate-/l/ distribute-lft-out
sub-neg flip3-+ pow-prod-down frac-sub flip-+
distribute-rgt-in frac-2neg distribute-lft-in clear-num
diff-log associate-*l* *-commutative
Counts
4 → 136
Calls
4 calls:
12.0ms
(- (/ 1.0 a) (/ 1.0 b))
23.0ms
(/ (/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (* 2.0 (- b a)))
20.0ms
(/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
19.0ms
(* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series36.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(- (/ 1.0 a) (/ 1.0 b))
12.0ms
(/ (/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (* 2.0 (- b a)))
13.0ms
(/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
7.0ms
(* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify101.0ms

Algorithm
egg-herbie
Counts
148 → 148
Iterations

Useful iterations: 1 (18.0ms)

IterNodesCost
07231440
139571141
250011141

prune154.0ms

Filtered
96 candidates to 148 candidates (-54.2%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1471148
Fresh167
Picked101
Done000
Total1497156

Merged error: 0b

Counts
156 → 7

regimes93.0ms

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
0179
1179

end0.0ms

sample1.1s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0%

Guaranteed chance to sample good point: 96.899414%

Results
560.0ms9590×body80valid

Profiling

Loading profile data...