Details

Time bar (total: 14.1s)

sample90.0ms

Algorithm
intervals
Results
21.0ms45×body10240exit
20.0ms43×body1280valid
15.0ms57×body640valid
7.0ms130×body80valid
3.0ms80×body80nan
2.0ms14×body320valid
1.0ms13×body160valid
1.0msbody640nan
1.0msbody1280nan
1.0msbody320nan
0.0msbody160nan

simplify461.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01213
12013
23313
34713
46713
58913
611113
714613
817913
923213
1038213
1144313
1244413
done44413

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.7b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (exp z))
0.1b
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
2.6b
(log (+ (- 1.0 y) (* y (exp z))))
2.8b
(+ (- 1.0 y) (* y (exp z)))

rewrite52.0ms

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:
5.0ms
(* y (exp z))
24.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
9.0ms
(log (+ (- 1.0 y) (* y (exp z))))
13.0ms
(+ (- 1.0 y) (* y (exp z)))

series276.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(* y (exp z))
149.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
72.0ms
(log (+ (- 1.0 y) (* y (exp z))))
34.0ms
(+ (- 1.0 y) (* y (exp z)))

simplify1.7s

Counts
92 → 92
Iterations

Useful iterations: 3 (779.0ms)

IterNodesCost
02031436
14491388
212811269
341721266
done50001266

prune291.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 4.6b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (+ (log 1.0) (* y (* z (+ (* 0.5 z) 1.0)))) t))
0.0b
(* z (+ (* 0.5 z) 1.0))
2.6b
(* y (* z (+ (* 0.5 z) 1.0)))
4.8b
(/ (+ (log 1.0) (* y (* z (+ (* 0.5 z) 1.0)))) t)

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
17×*-un-lft-identity
15×add-cube-cbrt
13×add-exp-log add-cbrt-cube
11×pow1
10×times-frac
associate-*r/ associate-*l* add-log-exp
distribute-rgt-in distribute-lft-in
associate-*r* pow-prod-down prod-exp cbrt-unprod
flip3-+ associate-/r* flip-+ associate-/l*
*-commutative associate-/l/ difference-of-squares
cbrt-undiv sub-neg flip3-- frac-2neg diff-log div-exp clear-num flip-- div-inv distribute-lft-out-- unswap-sqr
Counts
4 → 90
Calls
4 calls:
10.0ms
(- x (/ (+ (log 1.0) (* y (* z (+ (* 0.5 z) 1.0)))) t))
10.0ms
(* z (+ (* 0.5 z) 1.0))
13.0ms
(* y (* z (+ (* 0.5 z) 1.0)))
11.0ms
(/ (+ (log 1.0) (* y (* z (+ (* 0.5 z) 1.0)))) t)

series364.0ms

Counts
4 → 12
Calls
4 calls:
121.0ms
(- x (/ (+ (log 1.0) (* y (* z (+ (* 0.5 z) 1.0)))) t))
64.0ms
(* z (+ (* 0.5 z) 1.0))
53.0ms
(* y (* z (+ (* 0.5 z) 1.0)))
126.0ms
(/ (+ (log 1.0) (* y (* z (+ (* 0.5 z) 1.0)))) t)

simplify786.0ms

Counts
102 → 102
Iterations

Useful iterations: 2 (154.0ms)

IterNodesCost
01791815
14401740
213401586
done50011586

prune300.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 4.5b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(- x (+ (* 1.0 (/ (* z y) t)) (/ (log 1.0) t)))
3.2b
(/ (* z y) t)

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube add-log-exp
add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
times-frac associate-/r*
pow1 cbrt-undiv diff-log div-exp
sub-neg flip3-- frac-2neg prod-exp clear-num sum-log flip-- cbrt-unprod div-inv associate-/l* associate--r+ distribute-lft-out-- difference-of-squares
Counts
2 → 37
Calls
2 calls:
29.0ms
(- x (+ (* 1.0 (/ (* z y) t)) (/ (log 1.0) t)))
3.0ms
(/ (* z y) t)

series105.0ms

Counts
2 → 6
Calls
2 calls:
86.0ms
(- x (+ (* 1.0 (/ (* z y) t)) (/ (log 1.0) t)))
19.0ms
(/ (* z y) t)

simplify1.5s

Counts
43 → 43
Iterations

Useful iterations: 2 (62.0ms)

IterNodesCost
086587
1205564
2652506
32835506
done5001506

prune338.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 3.6b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(- x (+ (* 1.0 (* (* z y) (/ 1 t))) (/ (log 1.0) t)))
3.3b
(* (* z y) (/ 1 t))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
24×add-exp-log
14×add-cbrt-cube
13×associate-*r*
12×prod-exp
11×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt times-frac
pow1 add-log-exp
cbrt-unprod
div-exp
pow-prod-down
cbrt-undiv rec-exp diff-log 1-exp
sub-neg flip3-- associate-*r/ associate-*l* sum-log un-div-inv *-commutative flip-- div-inv associate--r+ distribute-lft-out-- difference-of-squares
Counts
2 → 54
Calls
2 calls:
75.0ms
(- x (+ (* 1.0 (* (* z y) (/ 1 t))) (/ (log 1.0) t)))
11.0ms
(* (* z y) (/ 1 t))

series107.0ms

Counts
2 → 6
Calls
2 calls:
87.0ms
(- x (+ (* 1.0 (* (* z y) (/ 1 t))) (/ (log 1.0) t)))
19.0ms
(* (* z y) (/ 1 t))

simplify3.5s

Counts
60 → 60
Iterations

Useful iterations: 2 (190.0ms)

IterNodesCost
0125862
1349709
21172595
34639595
done5000595

prune113.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 3.6b

regimes661.0ms

Accuracy

65.6% (4.6b remaining)

Error of 8.1b against oracle of 3.5b and baseline of 16.9b

bsearch138.0ms

Steps
ItersRangePoint
9
8.26855449639164e-26
1.3234759465439615e-20
4.931084391344582e-25
7
-1.046355961971052
-0.015374280752585082
-0.015559780265086308

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03965
15165
done5165

end0.0ms

sample3.1s

Algorithm
intervals
Results
747.0ms1518×body10240exit
740.0ms1447×body1280valid
457.0ms1590×body640valid
209.0ms3550×body80valid
155.0ms879×body320valid
109.0ms87×body2560valid
94.0ms2609×body80nan
56.0ms292×body640nan
53.0ms466×body160valid
35.0ms126×body1280nan
26.0ms203×body320nan
8.0ms103×body160nan