Details

Time bar (total: 2.7s)

sample19.0ms

Algorithm
intervals
Results
5.0ms256×body80valid
4.0ms273×body80nan

simplify4.0ms

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)))

series30.0ms

Counts
1 → 3
Calls
1 calls:
29.0ms
(/ a (- (acos a)))

simplify113.0ms

Algorithm
egg-herbie
Counts
60 → 60
Iterations

Useful iterations: 3 (43.0ms)

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:

0.2b
(/ (- (acos a)) a)
0.5b
(/ 1 (/ (- (acos a)) a))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
252×times-frac
146×*-un-lft-identity
144×add-sqr-sqrt add-cube-cbrt
52×distribute-rgt-neg-in
51×distribute-lft-neg-in
40×associate-/r*
25×associate-/l*
17×neg-mul-1
16×associate-/r/
15×add-exp-log
add-cbrt-cube
div-exp
div-inv
cbrt-undiv clear-num
pow1 frac-2neg remove-double-div
expm1-log1p-u rec-exp 1-exp log1p-expm1-u add-log-exp
neg-sub0 pow-flip div-sub distribute-frac-neg inv-pow
Counts
2 → 239
Calls
2 calls:
5.0ms
(/ (- (acos a)) a)
12.0ms
(/ 1 (/ (- (acos a)) a))

series65.0ms

Counts
2 → 6
Calls
2 calls:
39.0ms
(/ (- (acos a)) a)
25.0ms
(/ 1 (/ (- (acos a)) a))

simplify82.0ms

Algorithm
egg-herbie
Counts
245 → 245
Iterations

Useful iterations: 2 (64.0ms)

IterNodesCost
06701985
130791764
250011572

prune309.0ms

Filtered
245 candidates to 112 candidates (45.7%)
Pruning

10 alts after pruning (8 fresh and 2 done)

PrunedKeptTotal
New2396245
Fresh527
Picked011
Done011
Total24410254

Merged error: 0.0b

Counts
254 → 10

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
1207×times-frac
556×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
141×distribute-lft-neg-in distribute-rgt-neg-in
51×div-inv
47×neg-mul-1
46×add-exp-log
43×associate-/l*
36×associate-/r*
34×div-exp
16×add-cbrt-cube associate-/l/
cbrt-undiv rec-exp 1-exp associate-/r/
frac-2neg clear-num
pow1
expm1-log1p-u log1p-expm1-u add-log-exp
pow-flip inv-pow
Counts
2 → 607
Calls
2 calls:
5.0ms
(/ 1 (- (acos a)))
23.0ms
(/ (/ 1 (- (acos a))) (/ 1 a))

series31.0ms

Counts
2 → 6
Calls
2 calls:
6.0ms
(/ 1 (- (acos a)))
25.0ms
(/ (/ 1 (- (acos a))) (/ 1 a))

simplify128.0ms

Algorithm
egg-herbie
Counts
613 → 613
Iterations

Useful iterations: 1 (60.0ms)

IterNodesCost
025697515
150016358

prune713.0ms

Filtered
613 candidates to 238 candidates (38.8%)
Pruning

8 alts after pruning (6 fresh and 2 done)

PrunedKeptTotal
New6094613
Fresh527
Picked101
Done022
Total6158623

Merged error: 0b

Counts
623 → 8

localize10.0ms

Local error

Found 4 expressions with local error:

1.0b
(sqrt (acos a))
1.0b
(sqrt (acos a))
1.0b
(/ 1 (sqrt (acos a)))
1.0b
(/ 1 (- (sqrt (acos a))))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
66×times-frac
60×add-sqr-sqrt
58×add-cube-cbrt *-un-lft-identity
42×sqrt-prod
24×distribute-lft-neg-in distribute-rgt-neg-in
22×associate-/r*
12×add-exp-log
pow1
add-cbrt-cube
associate-/l*
expm1-log1p-u neg-mul-1 pow-flip div-exp log1p-expm1-u add-log-exp
sqrt-pow1 pow1/2
cbrt-undiv rem-sqrt-square rec-exp frac-2neg 1-exp clear-num div-inv inv-pow
Counts
4 → 162
Calls
4 calls:
2.0ms
(sqrt (acos a))
2.0ms
(sqrt (acos a))
5.0ms
(/ 1 (sqrt (acos a)))
7.0ms
(/ 1 (- (sqrt (acos a))))

series76.0ms

Counts
4 → 12
Calls
4 calls:
11.0ms
(sqrt (acos a))
11.0ms
(sqrt (acos a))
16.0ms
(/ 1 (sqrt (acos a)))
38.0ms
(/ 1 (- (sqrt (acos a))))

simplify83.0ms

Algorithm
egg-herbie
Counts
174 → 174
Iterations

Useful iterations: 2 (22.0ms)

IterNodesCost
02291096
1764999
21586866
32862866
45001866

prune246.0ms

Filtered
174 candidates to 76 candidates (43.7%)
Pruning

7 alts after pruning (4 fresh and 3 done)

PrunedKeptTotal
New1731174
Fresh235
Picked011
Done022
Total1757182

Merged error: 0b

Counts
182 → 7

regimes55.0ms

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

sample461.0ms

Algorithm
intervals
Results
169.0ms8000×body80valid
116.0ms7716×body80nan