Details

Time bar (total: 31.5s)

sample153.0ms

Algorithm
intervals
Results
48.0ms54×body10240exit
34.0ms305×body80nan
31.0ms256×body80valid

simplify12.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1139
2229
3459
41179
54389
645409
done50019

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 2 expressions with local error:

0.0b
(pow (sqrt (atan2 b b)) (- b a))
1.0b
(sqrt (atan2 b b))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity
add-cube-cbrt unpow-prod-down sqrt-prod
pow1 pow-unpow
add-exp-log pow-pow
unpow-prod-up sqrt-pow1 pow1/2 add-cbrt-cube add-log-exp
pow-to-exp sub-neg rem-sqrt-square pow-exp sqrt-pow2 distribute-lft-out-- pow-sub difference-of-squares sqr-pow
Counts
2 → 41
Calls
2 calls:
12.0ms
(pow (sqrt (atan2 b b)) (- b a))
3.0ms
(sqrt (atan2 b b))

series63.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(pow (sqrt (atan2 b b)) (- b a))
18.0ms
(sqrt (atan2 b b))

simplify3.0s

Counts
47 → 47
Iterations

Useful iterations: 2 (130.0ms)

IterNodesCost
060472
1160429
2599412
33935412
done5002412

prune272.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (sqrt (sqrt (atan2 b b))) (- b a))
0.0b
(pow (sqrt (sqrt (atan2 b b))) (- b a))
1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
24×sqrt-prod
20×add-sqr-sqrt
18×unpow-prod-down *-un-lft-identity
14×add-cube-cbrt
12×pow1
10×pow-unpow pow-pow sqrt-pow1
add-exp-log pow1/2
unpow-prod-up add-cbrt-cube add-log-exp
pow-to-exp sub-neg rem-sqrt-square pow-exp sqrt-pow2 distribute-lft-out-- pow-sub difference-of-squares sqr-pow
Counts
4 → 92
Calls
4 calls:
22.0ms
(pow (sqrt (sqrt (atan2 b b))) (- b a))
16.0ms
(pow (sqrt (sqrt (atan2 b b))) (- b a))
2.0ms
(sqrt (atan2 b b))
2.0ms
(sqrt (atan2 b b))

series162.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(pow (sqrt (sqrt (atan2 b b))) (- b a))
64.0ms
(pow (sqrt (sqrt (atan2 b b))) (- b a))
20.0ms
(sqrt (atan2 b b))
22.0ms
(sqrt (atan2 b b))

simplify695.0ms

Counts
104 → 104
Iterations

Useful iterations: done (690.0ms)

IterNodesCost
0801180
12141056
27821032
done50001018

prune685.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize74.0ms

Local error

Found 4 expressions with local error:

1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt sqrt-prod
pow1 add-cube-cbrt *-un-lft-identity
add-exp-log rem-sqrt-square sqrt-pow1 pow1/2 add-cbrt-cube add-log-exp
Counts
4 → 52
Calls
4 calls:
2.0ms
(sqrt (atan2 b b))
2.0ms
(sqrt (atan2 b b))
2.0ms
(sqrt (atan2 b b))
2.0ms
(sqrt (atan2 b b))

series81.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(sqrt (atan2 b b))
18.0ms
(sqrt (atan2 b b))
18.0ms
(sqrt (atan2 b b))
18.0ms
(sqrt (atan2 b b))

simplify2.1s

Counts
64 → 64
Iterations

Useful iterations: 2 (12.0ms)

IterNodesCost
018384
123328
226320
330320
438320
572320
6141320
7319320
81061320
done5000320

prune559.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 2 expressions with local error:

0.0b
(pow (sqrt (atan2 b b)) (- b a))
1.0b
(sqrt (atan2 b b))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity
add-cube-cbrt unpow-prod-down sqrt-prod
pow1 pow-unpow
add-exp-log pow-pow
unpow-prod-up sqrt-pow1 pow1/2 add-cbrt-cube add-log-exp
pow-to-exp sub-neg rem-sqrt-square pow-exp sqrt-pow2 distribute-lft-out-- pow-sub difference-of-squares sqr-pow
Counts
2 → 41
Calls
2 calls:
14.0ms
(pow (sqrt (atan2 b b)) (- b a))
2.0ms
(sqrt (atan2 b b))

series65.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(pow (sqrt (atan2 b b)) (- b a))
21.0ms
(sqrt (atan2 b b))

simplify3.5s

Counts
47 → 47
Iterations

Useful iterations: 2 (162.0ms)

IterNodesCost
060472
1160429
2599412
33935412
done5002412

prune283.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes192.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01243
11443
done1443

end0.0ms

sample6.7s

Algorithm
intervals
Results
3.0s1842×body10240exit
1.4s9724×body80nan
1.2s7988×body80valid
14.0msbody5120valid
9.0msbody2560valid
4.0msbody1280valid
1.0msbody640valid
0.0msbody160valid