Details

Time bar (total: 4.5s)

sample59.0ms

Algorithm
intervals
Results
35.0ms77×body1280valid
10.0ms52×body640valid
2.0ms22×body320valid
2.0ms89×body80valid
1.0ms93×body80nan
1.0ms16×body160valid

simplify7.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
052
152

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.5b

localize3.0ms

Local error

Found 1 expressions with local error:

4.3b
(log (+ 1.0 x))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
2.0ms
(log (+ 1.0 x))

series43.0ms

Counts
1 → 3
Calls
1 calls:
43.0ms
(log (+ 1.0 x))

simplify38.0ms

Algorithm
egg-herbie
Counts
18 → 18
Iterations

Useful iterations: 3 (35.0ms)

IterNodesCost
012295
132786
2116181
3500278

prune40.0ms

Filtered
18 candidates to 13 candidates (72.2%)
Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
70×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
36×add-cube-cbrt *-un-lft-identity
25×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp
add-cbrt-cube
pow-to-exp pow-exp add-log-exp
pow1
associate-*r/ associate-*l*
diff-log frac-sub cbrt-unprod
cbrt-undiv sub-neg flip3-- flip3-+ pow-prod-down associate--l+ sum-log *-commutative flip-- flip-+ div-inv
Counts
2 → 126
Calls
2 calls:
25.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
27.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))

series100.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
52.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))

simplify72.0ms

Algorithm
egg-herbie
Counts
132 → 132
Iterations

Useful iterations: 2 (61.0ms)

IterNodesCost
0676882
12962760
25001756

prune290.0ms

Filtered
132 candidates to 81 candidates (61.4%)
Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
12.7b
(cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
12.7b
(cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
12.7b
(cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

rewrite124.0ms

Algorithm
rewrite-expression-head
Rules
52×cbrt-div
30×associate-*r/
26×frac-sub
25×cbrt-prod
23×add-sqr-sqrt
16×frac-times
15×add-cube-cbrt *-un-lft-identity
13×flip3-- flip3-+ flip-- flip-+
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
associate-*l/ add-cbrt-cube add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 109
Calls
4 calls:
87.0ms
(* (cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
10.0ms
(cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
10.0ms
(cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
10.0ms
(cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series961.0ms

Counts
4 → 12
Calls
4 calls:
261.0ms
(* (cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
236.0ms
(cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
228.0ms
(cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
235.0ms
(cbrt (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify83.0ms

Algorithm
egg-herbie
Counts
121 → 121
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
06013504
122693369
250013255

prune454.0ms

Filtered
121 candidates to 90 candidates (74.4%)
Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 2 expressions with local error:

4.3b
(log (sqrt (+ 1.0 x)))
4.3b
(log (sqrt (+ 1.0 x)))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
14×log-prod
10×*-un-lft-identity
sqrt-prod
pow1 add-sqr-sqrt add-cube-cbrt log-pow
add-exp-log log-div sqrt-div
sqrt-pow1 flip3-+ pow1/2 rem-log-exp add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
2 → 40
Calls
2 calls:
3.0ms
(log (sqrt (+ 1.0 x)))
3.0ms
(log (sqrt (+ 1.0 x)))

series170.0ms

Counts
2 → 6
Calls
2 calls:
84.0ms
(log (sqrt (+ 1.0 x)))
86.0ms
(log (sqrt (+ 1.0 x)))

simplify41.0ms

Algorithm
egg-herbie
Counts
46 → 46
Iterations

Useful iterations: 3 (37.0ms)

IterNodesCost
0136298
1337268
21189258
35002250

prune87.0ms

Filtered
46 candidates to 32 candidates (69.6%)
Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.1b

regimes97.0ms

Accuracy

99% (0.2b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 21.2b

bsearch2.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02111
12111

end0.0ms

sample1.7s

Algorithm
intervals
Results
979.0ms2255×body1280valid
351.0ms1726×body640valid
86.0ms818×body320valid
57.0ms2775×body80valid
33.0ms2706×body80nan
25.0ms426×body160valid