Details

Time bar (total: 3.4s)

sample34.0ms

Algorithm
intervals
Results
13.0ms83×body1280valid
4.0ms43×body640valid
3.0ms193×body80valid
1.0ms22×body320valid
0.0msbody160valid

simplify61.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0113
1183
2273
3503
41153
53293
616423
750013
done50013

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.3b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
3.9b
(- (exp (* a x)) 1.0)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt prod-diff
add-log-exp
fma-neg
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
sub-neg exp-prod flip3-- exp-to-pow diff-log flip-- rem-exp-log distribute-lft-out-- difference-of-squares
Counts
2 → 40
Calls
2 calls:
4.0ms
(exp (* a x))
14.0ms
(- (exp (* a x)) 1.0)

series55.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(exp (* a x))
41.0ms
(- (exp (* a x)) 1.0)

simplify82.0ms

Counts
46 → 46
Iterations

Useful iterations: 3 (79.0ms)

IterNodesCost
0173292
1562211
22710200
35002164
done5002164

prune93.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 7.9b

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (exp (* a x)))
0.0b
(exp (* a x))
0.0b
(exp (* a x))
3.9b
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt
pow1 add-cube-cbrt *-un-lft-identity
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
exp-prod exp-to-pow sqrt-pow1 sqrt-prod
rem-exp-log
rem-sqrt-square pow1/2 fma-udef
Counts
4 → 51
Calls
4 calls:
4.0ms
(sqrt (exp (* a x)))
4.0ms
(exp (* a x))
4.0ms
(exp (* a x))
0.0ms
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))

series136.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(sqrt (exp (* a x)))
14.0ms
(exp (* a x))
14.0ms
(exp (* a x))
85.0ms
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))

simplify48.0ms

Counts
63 → 63
Iterations

Useful iterations: 3 (44.0ms)

IterNodesCost
0124289
1381252
21421251
35001250
done5001250

prune159.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 7.9b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(cbrt (fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0)))
3.9b
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))
3.9b
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))
3.9b
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-prod fma-udef
pow1/3
Counts
4 → 43
Calls
4 calls:
1.0ms
(cbrt (fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0)))
1.0ms
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))
0.0ms
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))
0.0ms
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))

series402.0ms

Counts
4 → 12
Calls
4 calls:
143.0ms
(cbrt (fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0)))
86.0ms
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))
86.0ms
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))
88.0ms
(fma (sqrt (exp (* a x))) (sqrt (exp (* a x))) (- 1.0))

simplify60.0ms

Counts
55 → 55
Iterations

Useful iterations: 3 (55.0ms)

IterNodesCost
0132566
1440389
21877377
35002352
done5002352

prune227.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 7.9b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(cbrt (exp (* a x)))
0.2b
(cbrt (exp (* a x)))
0.2b
(cbrt (exp (* a x)))
3.9b
(fma (sqrt (exp (* a x))) (sqrt (* (* (cbrt (exp (* a x))) (cbrt (exp (* a x)))) (cbrt (exp (* a x))))) (- 1.0))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
pow1/3
fma-udef
Counts
4 → 49
Calls
4 calls:
2.0ms
(cbrt (exp (* a x)))
2.0ms
(cbrt (exp (* a x)))
2.0ms
(cbrt (exp (* a x)))
0.0ms
(fma (sqrt (exp (* a x))) (sqrt (* (* (cbrt (exp (* a x))) (cbrt (exp (* a x)))) (cbrt (exp (* a x))))) (- 1.0))

series230.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(cbrt (exp (* a x)))
51.0ms
(cbrt (exp (* a x)))
46.0ms
(cbrt (exp (* a x)))
86.0ms
(fma (sqrt (exp (* a x))) (sqrt (* (* (cbrt (exp (* a x))) (cbrt (exp (* a x)))) (cbrt (exp (* a x))))) (- 1.0))

simplify43.0ms

Counts
61 → 61
Iterations

Useful iterations: 3 (38.0ms)

IterNodesCost
0109499
1315443
21165437
35001417
done5001417

prune406.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 7.9b

regimes284.0ms

Accuracy

94.4% (1.2b remaining)

Error of 9.8b against oracle of 8.6b and baseline of 29.8b

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05056
15056
done5056

end0.0ms

sample969.0ms

Algorithm
intervals
Results
424.0ms2729×body1280valid
122.0ms1269×body640valid
104.0ms5473×body80valid
51.0ms792×body320valid
17.0ms398×body160valid