Details

Time bar (total: 3.7s)

sample32.0ms

Algorithm
intervals
Results
13.0ms82×body1280valid
4.0ms38×body640valid
4.0ms183×body80valid
2.0ms31×body320valid
1.0ms15×body160valid

simplify62.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0113
1183
2273
3503
41153
53293
616423
750013

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.4b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
4.5b
(- (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)

series46.0ms

Counts
2 → 6
Calls
2 calls:
12.0ms
(exp (* a x))
33.0ms
(- (exp (* a x)) 1.0)

simplify88.0ms

Algorithm
egg-herbie
Counts
46 → 46
Iterations

Useful iterations: 3 (79.0ms)

IterNodesCost
0173292
1562211
22710200
35002164

prune92.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 9.5b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (cbrt (- (exp (* a x)) 1.0)) (cbrt (- (exp (* a x)) 1.0)))
4.5b
(- (exp (* a x)) 1.0)
4.5b
(- (exp (* a x)) 1.0)
4.5b
(- (exp (* a x)) 1.0)

rewrite241.0ms

Algorithm
rewrite-expression-head
Rules
55×add-sqr-sqrt
53×*-un-lft-identity
33×add-cube-cbrt
28×cbrt-prod
27×prod-diff
12×cbrt-div
11×pow1
10×swap-sqr add-log-exp
flip3-- fma-neg flip-- distribute-lft-out--
associate-*r* associate-*l*
difference-of-squares
add-exp-log pow1/3
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u unswap-sqr
sub-neg diff-log
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 142
Calls
4 calls:
26.0ms
(* (cbrt (- (exp (* a x)) 1.0)) (cbrt (- (exp (* a x)) 1.0)))
6.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)
198.0ms
(- (exp (* a x)) 1.0)

series211.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(* (cbrt (- (exp (* a x)) 1.0)) (cbrt (- (exp (* a x)) 1.0)))
32.0ms
(- (exp (* a x)) 1.0)
37.0ms
(- (exp (* a x)) 1.0)
33.0ms
(- (exp (* a x)) 1.0)

simplify48.0ms

Algorithm
egg-herbie
Counts
154 → 154
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
03071503
110771228
250021137

prune350.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 9.4b

localize16.0ms

Local error

Found 4 expressions with local error:

4.5b
(- (exp (* a x)) 1.0)
4.5b
(- (exp (* a x)) 1.0)
4.5b
(- (exp (* a x)) 1.0)
4.5b
(- (exp (* a x)) 1.0)

rewrite24.0ms

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)

series139.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(- (exp (* a x)) 1.0)
36.0ms
(- (exp (* a x)) 1.0)
33.0ms
(- (exp (* a x)) 1.0)
37.0ms
(- (exp (* a x)) 1.0)

simplify87.0ms

Algorithm
egg-herbie
Counts
124 → 124
Iterations

Useful iterations: 3 (78.0ms)

IterNodesCost
01621012
1526688
22608644
35002500

prune369.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 9.4b

localize24.0ms

Local error

Found 4 expressions with local error:

4.5b
(- (exp (* a x)) 1.0)
4.5b
(- (exp (* a x)) 1.0)
4.5b
(- (exp (* a x)) 1.0)
4.6b
(log (exp (- (exp (* a x)) 1.0)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt *-un-lft-identity
36×prod-diff
33×add-cube-cbrt
14×log-prod
11×exp-sum
10×add-log-exp
fma-neg
log-pow
pow1 exp-prod
add-exp-log expm1-log1p-u sub-neg add-cbrt-cube log1p-expm1-u distribute-lft-out-- difference-of-squares
flip3-- diff-log flip--
log-div exp-diff rem-log-exp
Counts
4 → 115
Calls
4 calls:
5.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)
5.0ms
(- (exp (* a x)) 1.0)
11.0ms
(log (exp (- (exp (* a x)) 1.0)))

series137.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(- (exp (* a x)) 1.0)
32.0ms
(- (exp (* a x)) 1.0)
37.0ms
(- (exp (* a x)) 1.0)
33.0ms
(log (exp (- (exp (* a x)) 1.0)))

simplify94.0ms

Algorithm
egg-herbie
Counts
127 → 127
Iterations

Useful iterations: 3 (85.0ms)

IterNodesCost
02251029
1633701
22823551
35001515

prune383.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 9.4b

regimes281.0ms

Accuracy

93.2% (1.4b remaining)

Error of 9.3b against oracle of 7.8b and baseline of 28.9b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03750
13750

end0.0ms

sample906.0ms

Algorithm
intervals
Results
412.0ms2637×body1280valid
132.0ms1306×body640valid
104.0ms5563×body80valid
52.0ms750×body320valid
17.0ms389×body160valid