Details

Time bar (total: 6.5s)

sample100.0ms

Algorithm
intervals
Results
56.0ms123×body1280valid
17.0ms71×body640valid
8.0ms270×body80nan
5.0ms38×body320valid
1.0ms13×body160valid
0.0ms11×body80valid

simplify18.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0186
1256
2406
3656
4986
51226
61356
71376
81376

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 57.6b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 x) (- 1.0 x))
4.2b
(log (/ (+ 1.0 x) (- 1.0 x)))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
41×add-sqr-sqrt
40×times-frac
26×log-prod
23×add-cube-cbrt
11×distribute-lft-out
distribute-lft-out-- difference-of-squares
add-exp-log
associate-/r*
associate-/r/ add-cbrt-cube associate-/l*
pow1
expm1-log1p-u flip3-- div-exp rem-log-exp flip-- log1p-expm1-u div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 86
Calls
2 calls:
8.0ms
(/ (+ 1.0 x) (- 1.0 x))
7.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series169.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(/ (+ 1.0 x) (- 1.0 x))
130.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify119.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 3 (111.0ms)

IterNodesCost
0334673
11078636
24549616
35001613

prune217.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.2b

localize14.0ms

Local error

Found 1 expressions with local error:

0.0b
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
69×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
35×add-cube-cbrt *-un-lft-identity
24×add-exp-log unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp
pow-to-exp pow-exp add-cbrt-cube
pow1 associate-*l*
cbrt-unprod
cbrt-undiv expm1-log1p-u associate-*r/ pow-prod-down *-commutative log1p-expm1-u div-inv add-log-exp
Counts
1 → 112
Calls
1 calls:
20.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

series56.0ms

Counts
1 → 3
Calls
1 calls:
56.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

simplify53.0ms

Algorithm
egg-herbie
Counts
115 → 115
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
0532653
12211536
25002535

prune327.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.2b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(log1p (/ (+ 1.0 x) (- 1.0 x)))
0.0b
(expm1 (log1p (/ (+ 1.0 x) (- 1.0 x))))
0.0b
(/ (+ 1.0 x) (- 1.0 x))
58.9b
(log (expm1 (log1p (/ (+ 1.0 x) (- 1.0 x)))))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
26×add-sqr-sqrt
20×times-frac
16×add-cube-cbrt
add-exp-log
add-cbrt-cube distribute-lft-out
pow1 expm1-log1p-u associate-/r* distribute-lft-out-- difference-of-squares
log1p-expm1-u associate-/l* add-log-exp
log-prod
associate-/r/ associate-/l/
cbrt-undiv log1p-udef expm1-log1p flip3-- frac-2neg flip3-+ log1p-expm1 div-exp rem-log-exp clear-num log-pow flip-- flip-+ div-inv expm1-udef
Counts
4 → 83
Calls
4 calls:
1.0ms
(log1p (/ (+ 1.0 x) (- 1.0 x)))
1.0ms
(expm1 (log1p (/ (+ 1.0 x) (- 1.0 x))))
8.0ms
(/ (+ 1.0 x) (- 1.0 x))
1.0ms
(log (expm1 (log1p (/ (+ 1.0 x) (- 1.0 x)))))

series493.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(log1p (/ (+ 1.0 x) (- 1.0 x)))
157.0ms
(expm1 (log1p (/ (+ 1.0 x) (- 1.0 x))))
37.0ms
(/ (+ 1.0 x) (- 1.0 x))
191.0ms
(log (expm1 (log1p (/ (+ 1.0 x) (- 1.0 x)))))

simplify57.0ms

Algorithm
egg-herbie
Counts
95 → 95
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
0518790
11955707
25003694

prune260.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.2b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
0.0b
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
3.8b
(log (sqrt (+ 1.0 x)))
4.3b
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
149×*-un-lft-identity
109×add-sqr-sqrt
105×times-frac
96×log-prod
72×sqrt-prod
65×add-cube-cbrt
41×associate-+r+
22×distribute-lft-out distribute-lft-out-- difference-of-squares
13×pow1
11×log-pow
10×add-exp-log
associate-+l+ associate-/l*
log-div fma-def sqrt-div associate-/r/ add-cbrt-cube
associate-/r*
expm1-log1p-u flip3-+ flip-+ log1p-expm1-u add-log-exp
flip3-- rem-log-exp flip-- div-inv
associate-+l- sqrt-pow1 pow1/2 div-exp associate-/l/
cbrt-undiv +-commutative associate-+r- frac-2neg clear-num sum-log
Counts
4 → 215
Calls
4 calls:
17.0ms
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
8.0ms
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
4.0ms
(log (sqrt (+ 1.0 x)))
9.0ms
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))

series916.0ms

Counts
4 → 12
Calls
4 calls:
320.0ms
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
97.0ms
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
85.0ms
(log (sqrt (+ 1.0 x)))
413.0ms
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))

simplify72.0ms

Algorithm
egg-herbie
Counts
227 → 227
Iterations

Useful iterations: 2 (51.0ms)

IterNodesCost
07432210
124302080
250031989

prune502.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.2b

regimes67.0ms

Accuracy

0% (0.5b remaining)

Error of 0.7b against oracle of 0.1b and baseline of 0.7b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01610
11610

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.5s3387×body1280valid
619.0ms2474×body640valid
228.0ms8057×body80nan
196.0ms1293×body320valid
56.0ms619×body160valid
10.0ms227×body80valid