Details

Time bar (total: 5.9s)

sample84.0ms

Algorithm
intervals
Results
24.0ms46×body1280valid
12.0ms43×body640valid
8.0ms133×body80valid
4.0ms84×body80overflowed
4.0msbody2560valid
3.0ms17×body320valid
2.0ms66×body80nan
2.0ms14×body160valid
2.0msbody640nan
1.0msbody1280nan
1.0msbody160nan
0.0msbody320nan

simplify214.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0207
1337
2497
3717
4937
51807
62327
74117
87107
910927
1012407
1115587
1241917
1350017

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 21.4b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (exp z))
0.0b
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
1.8b
(+ (- 1.0 y) (* y (exp z)))
1.9b
(log (+ (- 1.0 y) (* y (exp z))))

rewrite120.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×add-cube-cbrt *-un-lft-identity
12×times-frac
11×pow1
add-log-exp
add-exp-log add-cbrt-cube
log-pow
log-div associate-/l*
log-prod flip3-+ associate-*r* associate-*l* associate-/r* flip-+
associate-+l+ div-sub sum-log
cbrt-undiv +-commutative associate-+l- sub-neg frac-2neg diff-log div-exp rem-log-exp pow-prod-down prod-exp clear-num *-commutative cbrt-unprod div-inv unswap-sqr
Counts
4 → 80
Calls
4 calls:
13.0ms
(* y (exp z))
57.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
29.0ms
(+ (- 1.0 y) (* y (exp z)))
20.0ms
(log (+ (- 1.0 y) (* y (exp z))))

series276.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(* y (exp z))
146.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
40.0ms
(+ (- 1.0 y) (* y (exp z)))
68.0ms
(log (+ (- 1.0 y) (* y (exp z))))

simplify58.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
0452795
11740733
25001726

prune290.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 1.7b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (- 1 (exp z)) y)
0.0b
(/ (log (- 1.0 (* (- 1 (exp z)) y))) t)
1.9b
(log (- 1.0 (* (- 1 (exp z)) y)))
3.9b
(- 1 (exp z))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
22×*-un-lft-identity
16×add-cube-cbrt
12×times-frac
11×pow1
add-exp-log
add-cbrt-cube
associate-*l* add-log-exp
log-pow
log-div flip3-- flip-- associate-/l* difference-of-squares
log-prod associate-*r* associate-/r*
div-sub associate-*l/ distribute-lft-out--
cbrt-undiv sub-neg frac-2neg diff-log div-exp rem-log-exp pow-prod-down prod-exp clear-num *-commutative cbrt-unprod div-inv unswap-sqr
Counts
4 → 85
Calls
4 calls:
33.0ms
(* (- 1 (exp z)) y)
15.0ms
(/ (log (- 1.0 (* (- 1 (exp z)) y))) t)
4.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
8.0ms
(- 1 (exp z))

series219.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(* (- 1 (exp z)) y)
113.0ms
(/ (log (- 1.0 (* (- 1 (exp z)) y))) t)
57.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
13.0ms
(- 1 (exp z))

simplify52.0ms

Algorithm
egg-herbie
Counts
97 → 97
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
0450786
11808729
25001725

prune305.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 1.7b

localize13.0ms

Local error

Found 4 expressions with local error:

1.9b
(log (- 1.0 (* (- 1 (exp z)) y)))
1.9b
(log (- 1.0 (* (- 1 (exp z)) y)))
3.9b
(- 1 (exp z))
3.9b
(- 1 (exp z))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt *-un-lft-identity
add-log-exp
pow1 add-exp-log add-cube-cbrt log-prod
log-div flip3-- add-cbrt-cube flip-- difference-of-squares
sub-neg diff-log rem-log-exp log-pow distribute-lft-out--
Counts
4 → 58
Calls
4 calls:
4.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
4.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
8.0ms
(- 1 (exp z))
8.0ms
(- 1 (exp z))

series339.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
258.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
13.0ms
(- 1 (exp z))
12.0ms
(- 1 (exp z))

simplify145.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0259520
11018472
24986460
35001460

prune289.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 1.7b

localize13.0ms

Local error

Found 4 expressions with local error:

1.9b
(log (- 1.0 (* (- 1 (exp z)) y)))
1.9b
(log (- 1.0 (* (- 1 (exp z)) y)))
3.9b
(- 1 (exp z))
3.9b
(- 1 (exp z))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt *-un-lft-identity
add-log-exp
pow1 add-exp-log add-cube-cbrt log-prod
log-div flip3-- add-cbrt-cube flip-- difference-of-squares
sub-neg diff-log rem-log-exp log-pow distribute-lft-out--
Counts
4 → 58
Calls
4 calls:
4.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
4.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
8.0ms
(- 1 (exp z))
8.0ms
(- 1 (exp z))

series131.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
53.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
11.0ms
(- 1 (exp z))
12.0ms
(- 1 (exp z))

simplify141.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 2 (27.0ms)

IterNodesCost
0259520
11018472
24986460
35001460

prune262.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 1.7b

regimes286.0ms

Accuracy

60.4% (4.4b remaining)

Error of 5.6b against oracle of 1.2b and baseline of 12.3b

bsearch2.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03920
13920

end0.0ms

sample2.5s

Algorithm
intervals
Results
730.0ms1388×body1280valid
394.0ms1437×body640valid
228.0ms3962×body80valid
128.0ms742×body320valid
119.0ms2510×body80overflowed
104.0ms79×body2560valid
93.0ms2723×body80nan
56.0ms289×body640nan
45.0ms420×body160valid
37.0ms130×body1280nan
26.0ms206×body320nan
12.0ms119×body160nan