Details

Time bar (total: 7.5s)

sample104.0ms

Algorithm
intervals
Results
22.0ms45×body1280valid
22.0ms44×body10240exit
16.0ms55×body640valid
7.0ms116×body80valid
5.0ms82×body80nan
5.0msbody2560valid
4.0ms20×body320valid
2.0ms16×body160valid
2.0msbody1280nan
1.0msbody640nan
0.0msbody320nan
0.0msbody160nan

simplify211.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0207
1357
2537
3817
41217
52507
63147
75327
89087
913977
1015537
1118927
1246827
1350017

prune3.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 25.1b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (exp z))
0.0b
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
1.9b
(log (+ (- 1.0 y) (* y (exp z))))
2.6b
(+ (- 1.0 y) (* y (exp z)))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
25×*-un-lft-identity
23×add-cube-cbrt
12×times-frac
11×pow1 associate-+l+
prod-diff add-log-exp
add-exp-log add-cbrt-cube
fma-def log-pow
expm1-log1p-u log-div log1p-expm1-u associate-/l*
log-prod flip3-+ associate-*r* associate-*l* associate-/r* flip-+
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 distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 102
Calls
4 calls:
5.0ms
(* y (exp z))
26.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
9.0ms
(log (+ (- 1.0 y) (* y (exp z))))
16.0ms
(+ (- 1.0 y) (* y (exp z)))

series281.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(* y (exp z))
151.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
74.0ms
(log (+ (- 1.0 y) (* y (exp z))))
35.0ms
(+ (- 1.0 y) (* y (exp z)))

simplify59.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0499918
12002785
25001761

prune414.0ms

Filtered
114 candidates to 91 candidates (79.8%)
Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 4.9b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (log (+ 1.0 (* y (expm1 z)))) t))
0.0b
(* y (expm1 z))
0.1b
(/ (log (+ 1.0 (* y (expm1 z)))) t)
3.7b
(log (+ 1.0 (* y (expm1 z))))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
64×add-sqr-sqrt
59×*-un-lft-identity
57×add-cube-cbrt
49×times-frac
48×prod-diff
20×pow1
14×log-pow
add-exp-log
add-cbrt-cube
log-div add-log-exp
expm1-log1p-u div-sub log1p-expm1-u div-inv associate-/l*
log-prod flip3-+ fma-neg associate-*r* associate-*l* associate-/r* flip-+
associate--r- difference-of-squares
cbrt-undiv sub-neg flip3-- frac-2neg diff-log div-exp rem-log-exp pow-prod-down prod-exp clear-num *-commutative flip-- cbrt-unprod distribute-lft-out-- unswap-sqr
Counts
4 → 141
Calls
4 calls:
10.0ms
(- x (/ (log (+ 1.0 (* y (expm1 z)))) t))
3.0ms
(* y (expm1 z))
6.0ms
(/ (log (+ 1.0 (* y (expm1 z)))) t)
2.0ms
(log (+ 1.0 (* y (expm1 z))))

series352.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(- x (/ (log (+ 1.0 (* y (expm1 z)))) t))
36.0ms
(* y (expm1 z))
158.0ms
(/ (log (+ 1.0 (* y (expm1 z)))) t)
76.0ms
(log (+ 1.0 (* y (expm1 z))))

simplify81.0ms

Algorithm
egg-herbie
Counts
153 → 153
Iterations

Useful iterations: 2 (62.0ms)

IterNodesCost
07462869
127691983
250011785

prune396.0ms

Filtered
153 candidates to 89 candidates (58.2%)
Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 4.8b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (* (log (+ 1.0 (* y (expm1 z)))) (/ 1 t)))
0.0b
(* y (expm1 z))
0.1b
(* (log (+ 1.0 (* y (expm1 z)))) (/ 1 t))
3.7b
(log (+ 1.0 (* y (expm1 z))))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
18×*-un-lft-identity
17×add-cube-cbrt
16×add-exp-log associate-*r*
11×times-frac add-cbrt-cube
10×pow1
associate-*l*
add-log-exp
prod-exp
expm1-log1p-u log1p-expm1-u unswap-sqr
log-prod fma-neg prod-diff cbrt-unprod
log-div div-exp pow-prod-down log-pow *-commutative
cbrt-undiv sub-neg rec-exp flip3-- flip3-+ diff-log 1-exp associate-*r/ rem-log-exp un-div-inv flip-- flip-+ div-inv
Counts
4 → 95
Calls
4 calls:
2.0ms
(- x (* (log (+ 1.0 (* y (expm1 z)))) (/ 1 t)))
6.0ms
(* y (expm1 z))
9.0ms
(* (log (+ 1.0 (* y (expm1 z)))) (/ 1 t))
2.0ms
(log (+ 1.0 (* y (expm1 z))))

series363.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(- x (* (log (+ 1.0 (* y (expm1 z)))) (/ 1 t)))
44.0ms
(* y (expm1 z))
166.0ms
(* (log (+ 1.0 (* y (expm1 z)))) (/ 1 t))
74.0ms
(log (+ 1.0 (* y (expm1 z))))

simplify75.0ms

Algorithm
egg-herbie
Counts
107 → 107
Iterations

Useful iterations: 2 (61.0ms)

IterNodesCost
0598881
12528770
25001730

prune382.0ms

Filtered
107 candidates to 82 candidates (76.6%)
Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 4.8b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (expm1 z))
0.1b
(/ t (log (+ 1.0 (* y (expm1 z)))))
0.1b
(/ 1 (/ t (log (+ 1.0 (* y (expm1 z))))))
3.7b
(log (+ 1.0 (* y (expm1 z))))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
108×times-frac
67×add-sqr-sqrt
65×add-cube-cbrt *-un-lft-identity
24×pow1
20×add-exp-log associate-/r*
17×log-pow
13×add-cbrt-cube
div-exp
div-inv associate-/l*
cbrt-undiv expm1-log1p-u log1p-expm1-u add-log-exp
log-prod associate-*r* associate-*l*
log-div rec-exp frac-2neg 1-exp clear-num
pow-flip flip3-+ rem-log-exp pow-prod-down prod-exp associate-/r/ *-commutative cbrt-unprod flip-+ inv-pow unswap-sqr
Counts
4 → 159
Calls
4 calls:
3.0ms
(* y (expm1 z))
3.0ms
(/ t (log (+ 1.0 (* y (expm1 z)))))
6.0ms
(/ 1 (/ t (log (+ 1.0 (* y (expm1 z))))))
2.0ms
(log (+ 1.0 (* y (expm1 z))))

series418.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(* y (expm1 z))
211.0ms
(/ t (log (+ 1.0 (* y (expm1 z)))))
84.0ms
(/ 1 (/ t (log (+ 1.0 (* y (expm1 z))))))
80.0ms
(log (+ 1.0 (* y (expm1 z))))

simplify89.0ms

Algorithm
egg-herbie
Counts
171 → 171
Iterations

Useful iterations: 2 (72.0ms)

IterNodesCost
07231701
134511541
250021448

prune416.0ms

Filtered
171 candidates to 102 candidates (59.6%)
Pruning

16 alts after pruning (14 fresh and 2 done)

Merged error: 4.8b

regimes408.0ms

Accuracy

35.9% (4.6b remaining)

Error of 9.3b against oracle of 4.8b and baseline of 11.9b

bsearch115.0ms

Steps
ItersRangePoint
6
6.346608773331219e-226
3.599959993217496e-225
3.4446276387824773e-225
6
-3.617724343655394e-05
-3.563044520560046e-06
-3.6124775496653163e-06

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04023
14023

end0.0ms

sample3.1s

Algorithm
intervals
Results
761.0ms1427×body1280valid
743.0ms1474×body10240exit
473.0ms1574×body640valid
217.0ms3533×body80valid
168.0ms907×body320valid
104.0ms80×body2560valid
92.0ms2494×body80nan
58.0ms510×body160valid
57.0ms261×body640nan
37.0ms119×body1280nan
30.0ms197×body320nan
8.0ms98×body160nan