Details

Time bar (total: 37.3s)

sample185.0ms

Algorithm
intervals
Results
72.0ms402×body80nan
48.0ms364×body80valid

simplify3.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02024
13724
28424
324424
486024
5409024
done500124

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.7b

localize61.0ms

Local error

Found 4 expressions with local error:

0.2b
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
0.2b
(* (- x 0.5) (log x))
0.2b
(- (* (- x 0.5) (log x)) x)
6.2b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite343.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt *-un-lft-identity
20×add-cube-cbrt
18×log-prod
12×associate--l+
11×add-log-exp
distribute-rgt-in distribute-lft-in times-frac
add-exp-log associate-+l+ add-cbrt-cube
pow1
associate-*l*
associate-*r*
associate-/r* associate-/l*
sub-neg flip3-- flip3-+ diff-log associate-*l/ sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative associate-+l- frac-2neg div-exp pow-prod-down prod-exp clear-num log-pow *-commutative cbrt-unprod div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 98
Calls
4 calls:
128.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
51.0ms
(* (- x 0.5) (log x))
37.0ms
(- (* (- x 0.5) (log x)) x)
120.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series2.6s

Counts
4 → 12
Calls
4 calls:
917.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
553.0ms
(* (- x 0.5) (log x))
935.0ms
(- (* (- x 0.5) (log x)) x)
174.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.6s

Counts
110 → 110
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02131655
15211589
219171479
done50001476

prune1.2s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.5b

localize70.0ms

Local error

Found 4 expressions with local error:

0.2b
(+ 0.91893853320467 (+ (- (* 0.5 (- (log x))) x) (* (log x) x)))
0.2b
(+ (- (* 0.5 (- (log x))) x) (* (log x) x))
0.3b
(* (log x) x)
6.2b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite393.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt *-un-lft-identity add-log-exp
16×add-cube-cbrt
times-frac
add-exp-log associate-+l+ add-cbrt-cube
pow1 sum-log
log-prod distribute-neg-in associate--l+
associate-*l*
distribute-rgt-in distribute-lft-in flip3-+ associate-*r* associate-/r* flip-+ associate-/l*
+-commutative associate-+l- diff-log associate-/l/
cbrt-undiv associate-+r- sub-neg associate-+r+ frac-2neg div-exp pow-prod-down prod-exp clear-num log-pow *-commutative cbrt-unprod div-inv distribute-lft-out unswap-sqr
Counts
4 → 85
Calls
4 calls:
169.0ms
(+ 0.91893853320467 (+ (- (* 0.5 (- (log x))) x) (* (log x) x)))
89.0ms
(+ (- (* 0.5 (- (log x))) x) (* (log x) x))
16.0ms
(* (log x) x)
114.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series2.4s

Counts
4 → 12
Calls
4 calls:
934.0ms
(+ 0.91893853320467 (+ (- (* 0.5 (- (log x))) x) (* (log x) x)))
931.0ms
(+ (- (* 0.5 (- (log x))) x) (* (log x) x))
378.0ms
(* (log x) x)
160.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify2.0s

Counts
97 → 97
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02021630
15341546
222071436
done50001406

prune1.1s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 5.5b

localize95.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
6.2b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
cbrt-prod times-frac
add-exp-log add-cbrt-cube
pow1 add-log-exp
pow1/3 associate-/r* associate-/l*
associate-/l/
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv
Counts
4 → 62
Calls
4 calls:
2.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)
98.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.3s

Counts
4 → 12
Calls
4 calls:
395.0ms
(cbrt x)
389.0ms
(cbrt x)
393.0ms
(cbrt x)
167.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify823.0ms

Counts
74 → 74
Iterations

Useful iterations: done (819.0ms)

IterNodesCost
097893
1224870
2902792
done5001761

prune1.3s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 4.3b

localize67.0ms

Local error

Found 4 expressions with local error:

0.2b
(+ 0.91893853320467 (+ (- (* 0.5 (- (log x))) x) (* (log x) x)))
0.2b
(+ (- (* 0.5 (- (log x))) x) (* (log x) x))
0.3b
(* (log x) x)
6.4b
(* (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) (/ 1 x))

rewrite428.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
19×*-un-lft-identity
18×add-log-exp
16×add-cube-cbrt associate-*r*
15×add-exp-log
11×times-frac add-cbrt-cube
pow1
associate-+l+
associate-*l* sum-log
log-prod distribute-neg-in associate--l+
prod-exp
flip3-+ flip-+ unswap-sqr
distribute-rgt-in distribute-lft-in cbrt-unprod
+-commutative frac-times associate-+l- diff-log div-exp pow-prod-down associate-*l/ *-commutative
cbrt-undiv associate-+r- sub-neg rec-exp associate-+r+ 1-exp associate-*r/ log-pow un-div-inv div-inv distribute-lft-out
Counts
4 → 96
Calls
4 calls:
155.0ms
(+ 0.91893853320467 (+ (- (* 0.5 (- (log x))) x) (* (log x) x)))
91.0ms
(+ (- (* 0.5 (- (log x))) x) (* (log x) x))
14.0ms
(* (log x) x)
161.0ms
(* (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) (/ 1 x))

series2.1s

Counts
4 → 12
Calls
4 calls:
844.0ms
(+ 0.91893853320467 (+ (- (* 0.5 (- (log x))) x) (* (log x) x)))
817.0ms
(+ (- (* 0.5 (- (log x))) x) (* (log x) x))
312.0ms
(* (log x) x)
143.0ms
(* (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) (/ 1 x))

simplify7.6s

Counts
108 → 108
Iterations

Useful iterations: done (7.6s)

IterNodesCost
02321860
16531733
241521523
done50001520

prune951.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 4.3b

regimes988.0ms

Accuracy

84.8% (0.3b remaining)

Error of 4.1b against oracle of 3.8b and baseline of 5.8b

bsearch2.0ms

simplify24.0ms

Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
048132
17095
27495
37595
done7595

end0.0ms

sample5.9s

Algorithm
intervals
Results
2.5s11619×body80nan
2.0s11683×body80valid