Details

Time bar (total: 2.4s)

sample21.0ms

Algorithm
intervals
Results
6.0ms273×body80nan
5.0ms256×body80valid

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)))

rewrite6.0ms

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 frac-2neg div-exp clear-num div-inv add-log-exp
Counts
1 → 55
Calls
1 calls:
4.0ms
(/ a (- (acos a)))

series24.0ms

Counts
1 → 3
Calls
1 calls:
24.0ms
(/ a (- (acos a)))

simplify89.0ms

Algorithm
egg-herbie
Counts
58 → 58
Iterations

Useful iterations: 3 (32.0ms)

IterNodesCost
0164376
1491364
21440359
33702358
45001358

prune109.0ms

Filtered
58 candidates to 42 candidates (72.4%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New50858
Fresh000
Picked011
Done000
Total50959

Merged error: 0.0b

Counts
59 → 9

localize5.0ms

Local error

Found 2 expressions with local error:

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

rewrite25.0ms

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
rec-exp frac-2neg 1-exp clear-num add-log-exp
neg-sub0 pow-flip div-sub distribute-frac-neg associate-/r/ inv-pow
Counts
2 → 217
Calls
2 calls:
4.0ms
(/ (- (acos a)) a)
9.0ms
(/ 1 (/ (- (acos a)) a))

series61.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(/ (- (acos a)) a)
28.0ms
(/ 1 (/ (- (acos a)) a))

simplify64.0ms

Algorithm
egg-herbie
Counts
223 → 223
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
06591916
130601699
250011507

prune259.0ms

Filtered
223 candidates to 106 candidates (47.5%)
Pruning

10 alts after pruning (8 fresh and 2 done)

PrunedKeptTotal
New2185223
Fresh437
Picked011
Done011
Total22210232

Merged error: 0.0b

Counts
232 → 10

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
1207×times-frac
550×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
138×distribute-lft-neg-in distribute-rgt-neg-in
51×div-inv
46×add-exp-log neg-mul-1
37×associate-/l*
34×div-exp
23×associate-/r*
16×add-cbrt-cube
cbrt-undiv rec-exp 1-exp
pow1
frac-2neg clear-num add-log-exp
pow-flip associate-/r/ associate-/l/ inv-pow
Counts
2 → 580
Calls
2 calls:
4.0ms
(/ 1 (- (acos a)))
18.0ms
(/ (/ 1 (- (acos a))) (/ 1 a))

series30.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(/ 1 (- (acos a)))
24.0ms
(/ (/ 1 (- (acos a))) (/ 1 a))

simplify108.0ms

Algorithm
egg-herbie
Counts
586 → 586
Iterations

Useful iterations: 1 (45.0ms)

IterNodesCost
025177392
150026273

prune620.0ms

Filtered
586 candidates to 225 candidates (38.4%)
Pruning

7 alts after pruning (5 fresh and 2 done)

PrunedKeptTotal
New5833586
Fresh527
Picked101
Done022
Total5897596

Merged error: 0b

Counts
596 → 7

localize12.0ms

Local error

Found 4 expressions with local error:

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

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
102×times-frac
81×add-sqr-sqrt
79×add-cube-cbrt *-un-lft-identity
54×sqrt-prod
51×cbrt-prod
42×distribute-lft-neg-in distribute-rgt-neg-in
22×associate-/r*
11×add-exp-log
add-cbrt-cube
neg-mul-1 associate-/l*
pow1
add-log-exp
cbrt-undiv div-exp
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num div-inv
prod-exp cbrt-unprod
Counts
4 → 183
Calls
4 calls:
1.0ms
(sqrt (acos a))
1.0ms
(sqrt (acos a))
7.0ms
(/ (* (cbrt 1) (cbrt 1)) (sqrt (acos a)))
7.0ms
(/ (cbrt 1) (- (sqrt (acos a))))

series70.0ms

Counts
4 → 12
Calls
4 calls:
10.0ms
(sqrt (acos a))
10.0ms
(sqrt (acos a))
16.0ms
(/ (* (cbrt 1) (cbrt 1)) (sqrt (acos a)))
34.0ms
(/ (cbrt 1) (- (sqrt (acos a))))

simplify54.0ms

Algorithm
egg-herbie
Counts
195 → 195
Iterations

Useful iterations: 3 (36.0ms)

IterNodesCost
03261767
110931653
239431173
350011166

prune232.0ms

Filtered
195 candidates to 72 candidates (36.9%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New1941195
Fresh134
Picked101
Done022
Total1966202

Merged error: 0b

Counts
202 → 6

regimes49.0ms

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

sample449.0ms

Algorithm
intervals
Results
163.0ms8000×body80valid
114.0ms7716×body80nan