Details

Time bar (total: 2.1s)

sample18.0ms

Algorithm
intervals
Results
6.0ms256×body80valid
4.0ms249×body80nan

simplify3.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
043

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: 0.3b

Counts
2 → 1

localize4.0ms

Local error

Found 1 expressions with local error:

0.3b
(/ a (- (acos a)))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
30×times-frac
24×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
12×distribute-lft-neg-in distribute-rgt-neg-in
10×associate-/r*
neg-mul-1
add-exp-log add-cbrt-cube associate-/l*
pow1 cbrt-undiv expm1-log1p-u frac-2neg div-exp clear-num log1p-expm1-u div-inv add-log-exp
Counts
1 → 57
Calls
1 calls:
5.0ms
(/ a (- (acos a)))

series28.0ms

Counts
1 → 3
Calls
1 calls:
28.0ms
(/ a (- (acos a)))

simplify96.0ms

Algorithm
egg-herbie
Counts
60 → 60
Iterations

Useful iterations: 3 (35.0ms)

IterNodesCost
0166384
1493372
21442367
33704366
45002366

prune125.0ms

Filtered
60 candidates to 44 candidates (73.3%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New51960
Fresh000
Picked011
Done000
Total511061

Merged error: 0.0b

Counts
61 → 10

localize5.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ 1 (/ (- (acos a)) a))
0.3b
(/ (- (acos a)) a)

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
252×times-frac
140×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
48×distribute-lft-neg-in distribute-rgt-neg-in
37×associate-/r*
16×neg-mul-1
15×add-exp-log
13×associate-/l*
add-cbrt-cube
div-exp
div-inv
cbrt-undiv
pow1
expm1-log1p-u rec-exp frac-2neg 1-exp clear-num log1p-expm1-u add-log-exp
neg-sub0 pow-flip div-sub distribute-frac-neg associate-/r/ inv-pow
Counts
2 → 221
Calls
2 calls:
11.0ms
(/ 1 (/ (- (acos a)) a))
5.0ms
(/ (- (acos a)) a)

series63.0ms

Counts
2 → 6
Calls
2 calls:
30.0ms
(/ 1 (/ (- (acos a)) a))
33.0ms
(/ (- (acos a)) a)

simplify75.0ms

Algorithm
egg-herbie
Counts
227 → 227
Iterations

Useful iterations: 2 (56.0ms)

IterNodesCost
06631934
130641717
250011525

prune295.0ms

Filtered
227 candidates to 110 candidates (48.5%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New2216227
Fresh628
Picked101
Done011
Total2289237

Merged error: 0.0b

Counts
237 → 9

localize7.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (* (cbrt 1) (cbrt 1)) (/ (- (acos a)) a))
0.3b
(/ (- (acos a)) a)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
124×times-frac
65×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
37×associate-/r*
30×distribute-lft-neg-in distribute-rgt-neg-in
16×add-exp-log
12×add-cbrt-cube
11×associate-/l*
10×neg-mul-1
cbrt-undiv div-exp
div-inv
pow1 expm1-log1p-u frac-2neg prod-exp clear-num cbrt-unprod log1p-expm1-u add-log-exp
neg-sub0 div-sub distribute-frac-neg associate-/r/
Counts
2 → 149
Calls
2 calls:
12.0ms
(/ (* (cbrt 1) (cbrt 1)) (/ (- (acos a)) a))
9.0ms
(/ (- (acos a)) a)

series58.0ms

Counts
2 → 6
Calls
2 calls:
25.0ms
(/ (* (cbrt 1) (cbrt 1)) (/ (- (acos a)) a))
33.0ms
(/ (- (acos a)) a)

simplify75.0ms

Algorithm
egg-herbie
Counts
155 → 155
Iterations

Useful iterations: 2 (57.0ms)

IterNodesCost
05271309
127211241
250021025

prune356.0ms

Filtered
155 candidates to 125 candidates (80.6%)
Pruning

9 alts after pruning (7 fresh and 2 done)

PrunedKeptTotal
New1523155
Fresh347
Picked011
Done011
Total1559164

Merged error: 0.0b

Counts
164 → 9

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ 1 (acos a))
0.4b
(/ (* -1 (/ 1 (acos a))) (/ 1 a))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
71×add-exp-log
40×times-frac div-exp
25×add-cbrt-cube
24×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
16×prod-exp associate-/r*
12×cbrt-undiv
10×rec-exp 1-exp
cbrt-unprod div-inv associate-/l*
pow1
expm1-log1p-u frac-2neg clear-num log1p-expm1-u associate-/l/ add-log-exp
pow-flip mul-1-neg associate-*r/ distribute-frac-neg associate-/r/ un-div-inv inv-pow
Counts
2 → 102
Calls
2 calls:
3.0ms
(/ 1 (acos a))
11.0ms
(/ (* -1 (/ 1 (acos a))) (/ 1 a))

series34.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(/ 1 (acos a))
29.0ms
(/ (* -1 (/ 1 (acos a))) (/ 1 a))

simplify57.0ms

Algorithm
egg-herbie
Counts
108 → 108
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
0479634
12434491
25001446

prune127.0ms

Filtered
108 candidates to 49 candidates (45.4%)
Pruning

9 alts after pruning (6 fresh and 3 done)

PrunedKeptTotal
New1071108
Fresh156
Picked011
Done022
Total1089117

Merged error: 0b

Counts
117 → 9

regimes64.0ms

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
043

end0.0ms

sample471.0ms

Algorithm
intervals
Results
173.0ms8000×body80valid
118.0ms8139×body80nan