Details

Time bar (total: 39.9s)

sample121.0ms

Algorithm
intervals
Results
31.0ms64×body10240exit
28.0ms51×body1280valid
16.0ms51×body640valid
7.0ms28×body320valid
7.0ms110×body80valid
6.0msbody2560valid
3.0ms95×body80nan
1.0msbody640nan
1.0ms12×body160valid
1.0msbody320nan
0.0msbody160nan

simplify27.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01213
12013
23313
34713
46713
59513
615913
720413
838213
953513
1063613
1173513
12104913
13353413
done500013

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 23.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (exp z))
0.0b
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
1.5b
(+ (- 1.0 y) (* y (exp z)))
2.4b
(log (+ (- 1.0 y) (* y (exp z))))

rewrite57.0ms

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:
7.0ms
(* y (exp z))
24.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
14.0ms
(+ (- 1.0 y) (* y (exp z)))
10.0ms
(log (+ (- 1.0 y) (* y (exp z))))

series292.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* y (exp z))
160.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
38.0ms
(+ (- 1.0 y) (* y (exp z)))
72.0ms
(log (+ (- 1.0 y) (* y (exp z))))

simplify559.0ms

Counts
92 → 92
Iterations

Useful iterations: done (556.0ms)

IterNodesCost
02031436
14681388
216841269
done50001268

prune301.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.1b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (log (- 1.0 (* (- 1 (exp z)) y))) t))
0.0b
(/ (log (- 1.0 (* (- 1 (exp z)) y))) t)
2.4b
(log (- 1.0 (* (- 1 (exp z)) y)))
2.8b
(- 1 (exp z))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
19×*-un-lft-identity
14×add-cube-cbrt
13×times-frac
pow1
add-log-exp
add-exp-log
log-div add-cbrt-cube
flip3-- log-pow flip--
div-sub associate-/l* difference-of-squares
log-prod associate-/r*
sub-neg diff-log distribute-lft-out-- associate--r-
cbrt-undiv frac-2neg div-exp rem-log-exp clear-num div-inv
Counts
4 → 79
Calls
4 calls:
8.0ms
(- x (/ (log (- 1.0 (* (- 1 (exp z)) y))) t))
6.0ms
(/ (log (- 1.0 (* (- 1 (exp z)) y))) t)
2.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
3.0ms
(- 1 (exp z))

series256.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(- x (/ (log (- 1.0 (* (- 1 (exp z)) y))) t))
117.0ms
(/ (log (- 1.0 (* (- 1 (exp z)) y))) t)
60.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
13.0ms
(- 1 (exp z))

simplify539.0ms

Counts
91 → 91
Iterations

Useful iterations: 2 (144.0ms)

IterNodesCost
02081595
14711505
215321411
done50001411

prune297.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (/ t (log (- 1.0 (* (- 1 (exp z)) y)))))
0.1b
(/ t (log (- 1.0 (* (- 1 (exp z)) y))))
2.4b
(log (- 1.0 (* (- 1 (exp z)) y)))
2.8b
(- 1 (exp z))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
108×times-frac
66×add-sqr-sqrt *-un-lft-identity
63×add-cube-cbrt
22×pow1
20×associate-/r*
18×add-exp-log
17×log-pow
11×add-cbrt-cube
div-exp
div-inv associate-/l* add-log-exp
cbrt-undiv
log-prod
log-div rec-exp flip3-- frac-2neg 1-exp clear-num flip-- difference-of-squares
sub-neg pow-flip diff-log rem-log-exp associate-/r/ distribute-lft-out-- inv-pow
Counts
4 → 148
Calls
4 calls:
6.0ms
(/ 1 (/ t (log (- 1.0 (* (- 1 (exp z)) y)))))
2.0ms
(/ t (log (- 1.0 (* (- 1 (exp z)) y))))
2.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
4.0ms
(- 1 (exp z))

series322.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(/ 1 (/ t (log (- 1.0 (* (- 1 (exp z)) y)))))
172.0ms
(/ t (log (- 1.0 (* (- 1 (exp z)) y))))
60.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
14.0ms
(- 1 (exp z))

simplify1.8s

Counts
160 → 160
Iterations

Useful iterations: 2 (302.0ms)

IterNodesCost
03063331
17403071
232592737
done50002737

prune395.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 5.1b

localize16.0ms

Local error

Found 4 expressions with local error:

2.4b
(log (- 1.0 (* (- 1 (exp z)) y)))
2.8b
(- 1 (exp z))
2.8b
(- 1 (exp z))
2.8b
(- 1 (exp z))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt *-un-lft-identity
10×add-log-exp
difference-of-squares
pow1 add-exp-log add-cube-cbrt
flip3-- add-cbrt-cube flip--
sub-neg log-prod diff-log distribute-lft-out--
log-div
rem-log-exp log-pow
Counts
4 → 59
Calls
4 calls:
2.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
3.0ms
(- 1 (exp z))
3.0ms
(- 1 (exp z))
3.0ms
(- 1 (exp z))

series99.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(log (- 1.0 (* (- 1 (exp z)) y)))
12.0ms
(- 1 (exp z))
13.0ms
(- 1 (exp z))
13.0ms
(- 1 (exp z))

simplify3.1s

Counts
71 → 71
Iterations

Useful iterations: 3 (577.0ms)

IterNodesCost
0110760
1269698
21001646
34473636
done5000636

prune263.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 5.1b

regimes457.0ms

Accuracy

57.2% (4.7b remaining)

Error of 9.2b against oracle of 4.4b and baseline of 15.5b

bsearch87.0ms

Steps
ItersRangePoint
9
-3.3650335876136737e+31
-3.0563469276612825e+22
-3.1117629263050896e+22

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03476
14376
done4376

end0.0ms

sample3.2s

Algorithm
intervals
Results
777.0ms1552×body10240exit
767.0ms1440×body1280valid
477.0ms1581×body640valid
218.0ms3486×body80valid
177.0ms946×body320valid
139.0ms106×body2560valid
101.0ms2566×body80nan
55.0ms459×body160valid
54.0ms268×body640nan
33.0ms111×body1280nan
27.0ms203×body320nan
10.0ms121×body160nan