Details

Time bar (total: 25.5s)

sample1.1s

Algorithm
intervals
Results
460.0ms262×body10240exit
141.0ms88×body2560valid
61.0ms87×body1280valid
34.0ms38×body640valid
25.0ms572×body80nan
6.0ms21×body320valid
3.0ms18×body160valid
2.0msbody5120nan
1.0msbody2560nan
0.0msbody80valid
0.0msbody160nan

simplify46.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0166
1246
2436
3916
42576
512776
650016
done50016

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 60.2b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(log1p a)
2.4b
(acos (pow (fmod (cosh a) (* a a)) (log1p a)))
59.0b
(fmod (cosh a) (* a a))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube add-log-exp
acos-asin
Counts
3 → 22
Calls
3 calls:
0.0ms
(log1p a)
2.0ms
(acos (pow (fmod (cosh a) (* a a)) (log1p a)))
1.0ms
(fmod (cosh a) (* a a))

series16.0ms

Counts
3 → 9
Calls
3 calls:
1.0ms
(log1p a)
4.0ms
(acos (pow (fmod (cosh a) (* a a)) (log1p a)))
11.0ms
(fmod (cosh a) (* a a))

simplify85.0ms

Counts
31 → 31
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
052167
181144
2167144
3419144
41992144
55001144
done5001144

prune104.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 57.7b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(log1p a)
2.4b
(acos (pow (fmod (cosh a) (* a a)) (log (exp (log1p a)))))
6.8b
(log (exp (log1p a)))
59.0b
(fmod (cosh a) (* a a))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1
add-exp-log log-pow add-cbrt-cube add-log-exp
log-prod exp-prod
acos-asin rem-log-exp
Counts
4 → 37
Calls
4 calls:
0.0ms
(log1p a)
1.0ms
(acos (pow (fmod (cosh a) (* a a)) (log (exp (log1p a)))))
3.0ms
(log (exp (log1p a)))
0.0ms
(fmod (cosh a) (* a a))

series12.0ms

Counts
4 → 12
Calls
4 calls:
1.0ms
(log1p a)
6.0ms
(acos (pow (fmod (cosh a) (* a a)) (log (exp (log1p a)))))
2.0ms
(log (exp (log1p a)))
3.0ms
(fmod (cosh a) (* a a))

simplify106.0ms

Counts
49 → 49
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
082242
1124206
2240206
3612206
42966206
55001206
done5001206

prune159.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 57.7b

localize15.0ms

Local error

Found 4 expressions with local error:

0.9b
(asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a)))))
1.2b
(- (/ PI 2) (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a))))))
6.8b
(log (exp (log1p a)))
59.0b
(fmod (cosh a) (* a a))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
*-un-lft-identity
add-cube-cbrt add-log-exp
pow1
add-exp-log log-pow add-cbrt-cube
log-prod exp-prod
asin-acos difference-of-squares
sub-neg flip3-- times-frac diff-log rem-log-exp flip-- distribute-lft-out-- associate--r-
Counts
4 → 46
Calls
4 calls:
1.0ms
(asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a)))))
20.0ms
(- (/ PI 2) (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a))))))
3.0ms
(log (exp (log1p a)))
0.0ms
(fmod (cosh a) (* a a))

series41.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a)))))
33.0ms
(- (/ PI 2) (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a))))))
2.0ms
(log (exp (log1p a)))
3.0ms
(fmod (cosh a) (* a a))

simplify139.0ms

Counts
58 → 58
Iterations

Useful iterations: 4 (134.0ms)

IterNodesCost
0153493
1306438
2716436
32917436
45002434
done5002434

prune222.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 56.8b

localize22.0ms

Local error

Found 4 expressions with local error:

53.3b
(- (/ PI 2) (* (* (cbrt (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a)))))) (cbrt (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a))))))) (cbrt (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a))))))))
59.0b
(fmod (cosh a) (* a a))
59.0b
(fmod (cosh a) (* a a))
59.0b
(fmod (cosh a) (* a a))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube
sub-neg flip3-- diff-log flip--
Counts
4 → 33
Calls
4 calls:
25.0ms
(- (/ PI 2) (* (* (cbrt (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a)))))) (cbrt (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a))))))) (cbrt (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a))))))))
0.0ms
(fmod (cosh a) (* a a))
0.0ms
(fmod (cosh a) (* a a))
0.0ms
(fmod (cosh a) (* a a))

series40.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(- (/ PI 2) (* (* (cbrt (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a)))))) (cbrt (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a))))))) (cbrt (asin (pow (fmod (cosh a) (* a a)) (log (exp (log1p a))))))))
2.0ms
(fmod (cosh a) (* a a))
2.0ms
(fmod (cosh a) (* a a))
3.0ms
(fmod (cosh a) (* a a))

simplify132.0ms

Counts
45 → 45
Iterations

Useful iterations: 4 (126.0ms)

IterNodesCost
0122775
1307612
2981599
33765557
45002500
done5002500

prune190.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 56.7b

regimes268.0ms

Accuracy

0% (0.2b remaining)

Error of 57.8b against oracle of 57.6b and baseline of 57.8b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02198
12198
done2198

end0.0ms

sample22.8s

Algorithm
intervals
Results
13.8s7981×body10240exit
5.1s3227×body2560valid
1.7s2422×body1280valid
689.0ms16441×body80nan
484.0ms1251×body640valid
178.0ms667×body320valid
65.0ms320×body160valid
21.0ms10×body5120nan
11.0ms113×body80valid
4.0msbody2560nan
4.0msbody1280nan
1.0msbody640nan
1.0msbody320nan
1.0msbody160nan