Details

Time bar (total: 9.9s)

sample32.0ms

Algorithm
intervals
Results
13.0ms82×body1280valid
4.0ms48×body640valid
3.0ms175×body80valid
2.0ms26×body320valid
1.0ms12×body160valid

simplify2.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
066
1116
2186
3276
4516
51096
62566
77196
824576
done50016

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.9b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
4.1b
(- (exp (* a x)) 1.0)

rewrite7.0ms

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:
1.0ms
(exp (* a x))
5.0ms
(- (exp (* a x)) 1.0)

series51.0ms

Counts
2 → 6
Calls
2 calls:
12.0ms
(exp (* a x))
39.0ms
(- (exp (* a x)) 1.0)

simplify1.2s

Counts
46 → 46
Iterations

Useful iterations: 3 (233.0ms)

IterNodesCost
079557
1171457
2431386
31574346
done5001346

prune101.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 9.0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(cbrt (- (exp (* a x)) 1.0))
4.1b
(- (exp (* a x)) 1.0)
4.1b
(- (exp (* a x)) 1.0)
4.1b
(- (exp (* a x)) 1.0)

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt *-un-lft-identity
27×prod-diff
26×add-cube-cbrt
10×add-log-exp
fma-neg
cbrt-prod
pow1 add-exp-log expm1-log1p-u flip3-- add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
sub-neg diff-log
cbrt-div
pow1/3
Counts
4 → 101
Calls
4 calls:
3.0ms
(cbrt (- (exp (* a x)) 1.0))
5.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)

series200.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(cbrt (- (exp (* a x)) 1.0))
33.0ms
(- (exp (* a x)) 1.0)
33.0ms
(- (exp (* a x)) 1.0)
38.0ms
(- (exp (* a x)) 1.0)

simplify1.1s

Counts
113 → 113
Iterations

Useful iterations: 3 (298.0ms)

IterNodesCost
01051699
12251425
25801165
321961032
done50001032

prune291.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 9.0b

localize13.0ms

Local error

Found 4 expressions with local error:

4.1b
(- (exp (* a x)) 1.0)
4.1b
(- (exp (* a x)) 1.0)
4.1b
(- (exp (* a x)) 1.0)
4.1b
(- (exp (* a x)) 1.0)

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
40×add-sqr-sqrt *-un-lft-identity
36×prod-diff
32×add-cube-cbrt
12×fma-neg add-log-exp
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
Counts
4 → 112
Calls
4 calls:
5.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)

series142.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(- (exp (* a x)) 1.0)
37.0ms
(- (exp (* a x)) 1.0)
34.0ms
(- (exp (* a x)) 1.0)
37.0ms
(- (exp (* a x)) 1.0)

simplify1.1s

Counts
124 → 124
Iterations

Useful iterations: 3 (192.0ms)

IterNodesCost
0721888
11601536
24081252
315051092
done50001092

prune351.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 9.0b

localize21.0ms

Local error

Found 4 expressions with local error:

4.1b
(- (exp (* a x)) 1.0)
4.1b
(- (exp (* a x)) 1.0)
4.1b
(- (exp (* a x)) 1.0)
4.1b
(- (exp (* a x)) 1.0)

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
40×add-sqr-sqrt *-un-lft-identity
36×prod-diff
32×add-cube-cbrt
12×fma-neg add-log-exp
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
Counts
4 → 112
Calls
4 calls:
5.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)

series145.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(- (exp (* a x)) 1.0)
34.0ms
(- (exp (* a x)) 1.0)
34.0ms
(- (exp (* a x)) 1.0)
39.0ms
(- (exp (* a x)) 1.0)

simplify1.1s

Counts
124 → 124
Iterations

Useful iterations: 3 (200.0ms)

IterNodesCost
0721888
11601536
24081252
315051092
done50001092

prune443.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 9.0b

regimes236.0ms

Accuracy

96.1% (0.8b remaining)

Error of 8.9b against oracle of 8.1b and baseline of 29.0b

bsearch1.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
045105
155105
done55105

end0.0ms

sample910.0ms

Algorithm
intervals
Results
417.0ms2638×body1280valid
131.0ms1335×body640valid
108.0ms5515×body80valid
47.0ms743×body320valid
19.0ms440×body160valid