Details

Time bar (total: 3.2s)

sample22.0ms

Algorithm
intervals
Results
6.0ms256×body80valid
6.0ms312×body80nan

simplify3.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

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: 0.2b

Counts
2 → 1

localize4.0ms

Local error

Found 1 expressions with local error:

0.2b
(/ a (- (acos a)))

rewrite10.0ms

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:
8.0ms
(/ a (- (acos a)))

series27.0ms

Counts
1 → 3
Calls
1 calls:
27.0ms
(/ a (- (acos a)))

simplify108.0ms

Algorithm
egg-herbie
Counts
60 → 60
Iterations

Useful iterations: 3 (40.0ms)

IterNodesCost
0166384
1493372
21442367
33704366
45002366

prune109.0ms

Filtered
60 candidates to 44 candidates (73.3%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New54660
Fresh000
Picked011
Done000
Total54761

Merged error: 0.0b

Counts
61 → 7

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite29.0ms

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:
10.0ms
(/ 1 (/ (- (acos a)) a))
8.0ms
(/ (- (acos a)) a)

series65.0ms

Counts
2 → 6
Calls
2 calls:
30.0ms
(/ 1 (/ (- (acos a)) a))
35.0ms
(/ (- (acos a)) a)

simplify79.0ms

Algorithm
egg-herbie
Counts
227 → 227
Iterations

Useful iterations: 2 (60.0ms)

IterNodesCost
06631934
130641717
250011525

prune255.0ms

Filtered
227 candidates to 111 candidates (48.9%)
Pruning

10 alts after pruning (8 fresh and 2 done)

PrunedKeptTotal
New2234227
Fresh145
Picked011
Done011
Total22410234

Merged error: 0.0b

Counts
234 → 10

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
46×add-exp-log
21×add-sqr-sqrt
18×div-exp
16×prod-exp add-cbrt-cube
15×*-un-lft-identity
14×add-cube-cbrt times-frac
13×associate-*r*
10×associate-*l*
rec-exp 1-exp
pow1
cbrt-undiv
cbrt-unprod
distribute-lft-neg-in distribute-rgt-neg-in associate-/l* unswap-sqr
expm1-log1p-u pow-flip associate-*r/ pow-prod-down associate-/r/ un-div-inv log1p-expm1-u div-inv add-log-exp
distribute-lft-neg-out neg-mul-1 frac-2neg clear-num associate-/r* *-commutative inv-pow
Counts
2 → 88
Calls
2 calls:
8.0ms
(/ 1 (* (- (acos a)) (/ 1 a)))
9.0ms
(* (- (acos a)) (/ 1 a))

series64.0ms

Counts
2 → 6
Calls
2 calls:
24.0ms
(/ 1 (* (- (acos a)) (/ 1 a)))
39.0ms
(* (- (acos a)) (/ 1 a))

simplify46.0ms

Algorithm
egg-herbie
Counts
94 → 94
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
0355529
11644425
25001401

prune116.0ms

Filtered
94 candidates to 48 candidates (51.1%)
Pruning

10 alts after pruning (7 fresh and 3 done)

PrunedKeptTotal
New94094
Fresh077
Picked011
Done022
Total9410104

Merged error: 0.0b

Counts
104 → 10

localize8.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
0.7b
(cbrt (/ a (- (acos a))))
0.7b
(cbrt (/ a (- (acos a))))
0.7b
(cbrt (/ a (- (acos a))))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
262×cbrt-prod
228×times-frac
176×add-sqr-sqrt
164×*-un-lft-identity
152×add-cube-cbrt
69×distribute-rgt-neg-in
63×distribute-lft-neg-in
43×swap-sqr
37×associate-*r* associate-*l*
21×neg-mul-1
11×pow1
pow1/3 unswap-sqr
cbrt-div div-inv
add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 frac-times pow-plus associate-*r/ associate-*l/ prod-exp *-commutative cbrt-unprod
Counts
4 → 284
Calls
4 calls:
31.0ms
(* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
4.0ms
(cbrt (/ a (- (acos a))))
4.0ms
(cbrt (/ a (- (acos a))))
5.0ms
(cbrt (/ a (- (acos a))))

series769.0ms

Counts
4 → 12
Calls
4 calls:
245.0ms
(* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
177.0ms
(cbrt (/ a (- (acos a))))
170.0ms
(cbrt (/ a (- (acos a))))
176.0ms
(cbrt (/ a (- (acos a))))

simplify83.0ms

Algorithm
egg-herbie
Counts
296 → 296
Iterations

Useful iterations: 2 (54.0ms)

IterNodesCost
04713435
116663365
250023226

prune714.0ms

Filtered
296 candidates to 223 candidates (75.3%)
Pruning

9 alts after pruning (6 fresh and 3 done)

PrunedKeptTotal
New2951296
Fresh156
Picked011
Done123
Total2979306

Merged error: 0b

Counts
306 → 9

regimes64.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.1b and baseline of 0.2b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
043

end0.0ms

sample528.0ms

Algorithm
intervals
Results
204.0ms8000×body80valid
150.0ms8149×body80nan