Details

Time bar (total: 2.4s)

sample18.0ms

Algorithm
intervals
Results
5.0ms256×body80valid
4.0ms227×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)))

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)))

simplify104.0ms

Algorithm
egg-herbie
Counts
60 → 60
Iterations

Useful iterations: 3 (38.0ms)

IterNodesCost
0166384
1493372
21442367
33704366
45002366

prune124.0ms

Filtered
60 candidates to 44 candidates (73.3%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New52860
Fresh000
Picked011
Done000
Total52961

Merged error: 0.0b

Counts
61 → 9

localize6.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (- (acos a)) a)
0.4b
(/ 1 (/ (- (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:
5.0ms
(/ (- (acos a)) a)
10.0ms
(/ 1 (/ (- (acos a)) a))

series73.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(/ (- (acos a)) a)
29.0ms
(/ 1 (/ (- (acos a)) a))

simplify78.0ms

Algorithm
egg-herbie
Counts
227 → 227
Iterations

Useful iterations: 2 (59.0ms)

IterNodesCost
06631934
130641717
250011525

prune285.0ms

Filtered
227 candidates to 110 candidates (48.5%)
Pruning

12 alts after pruning (10 fresh and 2 done)

PrunedKeptTotal
New2234227
Fresh167
Picked011
Done011
Total22412236

Merged error: 0.0b

Counts
236 → 12

localize7.0ms

Local error

Found 2 expressions with local error:

0.3b
(* (- (acos a)) (/ 1 a))
0.4b
(/ 1 (* (- (acos a)) (/ 1 a)))

rewrite21.0ms

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

series74.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(* (- (acos a)) (/ 1 a))
29.0ms
(/ 1 (* (- (acos a)) (/ 1 a)))

simplify45.0ms

Algorithm
egg-herbie
Counts
94 → 94
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
0355529
11634425
25001401

prune130.0ms

Filtered
94 candidates to 49 candidates (52.1%)
Pruning

13 alts after pruning (10 fresh and 3 done)

PrunedKeptTotal
New93194
Fresh099
Picked011
Done022
Total9313106

Merged error: 0.0b

Counts
106 → 13

localize11.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt a)
0.6b
(cbrt a)
0.9b
(sqrt (acos a))
0.9b
(sqrt (acos a))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow1 cbrt-prod sqrt-prod
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 pow1/3
Counts
4 → 56
Calls
4 calls:
2.0ms
(cbrt a)
1.0ms
(cbrt a)
2.0ms
(sqrt (acos a))
2.0ms
(sqrt (acos a))

series440.0ms

Counts
4 → 12
Calls
4 calls:
204.0ms
(cbrt a)
205.0ms
(cbrt a)
12.0ms
(sqrt (acos a))
18.0ms
(sqrt (acos a))

simplify151.0ms

Algorithm
egg-herbie
Counts
68 → 68
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
061192
1104184
2218180
3725180
44173180
55001180

prune167.0ms

Filtered
68 candidates to 54 candidates (79.4%)
Pruning

15 alts after pruning (11 fresh and 4 done)

PrunedKeptTotal
New66268
Fresh099
Picked011
Done033
Total661581

Merged error: 0b

Counts
81 → 15

regimes106.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
043

end0.0ms

sample462.0ms

Algorithm
intervals
Results
166.0ms8000×body80valid
121.0ms7846×body80nan