Details

Time bar (total: 15.1s)

sample89.0ms

Algorithm
intervals
Results
31.0ms372×body80valid
27.0ms370×body80nan

simplify3.8s

Counts
1 → 1
Iterations

Useful iterations: 4 (84.0ms)

IterNodesCost
02024
14023
29123
321323
449322
5103722
6178822
7431722
done500022

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.5b

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
0.2b
(- (* (- x 0.5) (log x)) x)
0.2b
(* (- x 0.5) (log x))
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt *-un-lft-identity
23×add-cube-cbrt
18×log-prod
12×associate--l+
11×associate-+l+ add-log-exp
distribute-rgt-in distribute-lft-in times-frac
add-exp-log add-cbrt-cube
pow1
prod-diff
associate-*l*
expm1-log1p-u associate-*r* log1p-expm1-u
fma-def 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 fma-neg 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 → 116
Calls
4 calls:
31.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
10.0ms
(- (* (- x 0.5) (log x)) x)
11.0ms
(* (- x 0.5) (log x))
22.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.2s

Counts
4 → 12
Calls
4 calls:
449.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
438.0ms
(- (* (- x 0.5) (log x)) x)
255.0ms
(* (- x 0.5) (log x))
88.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify742.0ms

Counts
128 → 128
Iterations

Useful iterations: done (738.0ms)

IterNodesCost
02381852
15641682
215691549
done50001505

prune528.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.3b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (- x 0.5) (log x) (- (* x 1)))
0.1b
(+ (fma (- x 0.5) (log x) (- (* x 1))) (+ (- 0.91893853320467 x) x))
3.6b
(+ (- 0.91893853320467 x) x)
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite77.0ms

Algorithm
rewrite-expression-head
Rules
36×*-un-lft-identity
22×add-sqr-sqrt
20×add-cube-cbrt
18×add-log-exp
12×associate-+l+
times-frac prod-diff
fma-def
sum-log distribute-lft-out
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u log1p-expm1-u
flip3-+ associate-/r* flip-+ associate-/l* distribute-lft-out--
+-commutative associate-+l- diff-log fma-udef associate-/l/
cbrt-undiv associate-+r- sub-neg associate-+r+ frac-2neg div-exp clear-num div-inv difference-of-squares
Counts
4 → 98
Calls
4 calls:
0.0ms
(fma (- x 0.5) (log x) (- (* x 1)))
33.0ms
(+ (fma (- x 0.5) (log x) (- (* x 1))) (+ (- 0.91893853320467 x) x))
16.0ms
(+ (- 0.91893853320467 x) x)
24.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series866.0ms

Counts
4 → 12
Calls
4 calls:
485.0ms
(fma (- x 0.5) (log x) (- (* x 1)))
293.0ms
(+ (fma (- x 0.5) (log x) (- (* x 1))) (+ (- 0.91893853320467 x) x))
1.0ms
(+ (- 0.91893853320467 x) x)
87.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify678.0ms

Counts
110 → 110
Iterations

Useful iterations: done (674.0ms)

IterNodesCost
01871712
14751387
213271176
done50011149

prune504.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.3b

localize29.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite25.0ms

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 expm1-log1p-u log1p-expm1-u 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 → 70
Calls
4 calls:
0.0ms
(cbrt x)
0.0ms
(cbrt x)
0.0ms
(cbrt x)
22.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series643.0ms

Counts
4 → 12
Calls
4 calls:
186.0ms
(cbrt x)
185.0ms
(cbrt x)
181.0ms
(cbrt x)
90.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify992.0ms

Counts
82 → 82
Iterations

Useful iterations: 3 (332.0ms)

IterNodesCost
0101939
1225870
2611794
31847767
done5001767

prune434.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 3.3b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (fma (- x 0.5) (log x) (- (* x 1))) (+ (- 0.91893853320467 x) x))
0.3b
(/ 1 (/ x (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333)))
3.6b
(+ (- 0.91893853320467 x) x)
5.0b
(/ x (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
84×times-frac
78×*-un-lft-identity
64×add-sqr-sqrt
62×add-cube-cbrt
18×add-log-exp
17×add-exp-log
16×associate-/r*
12×associate-+l+
11×add-cbrt-cube
prod-diff
fma-def div-exp
sum-log distribute-lft-out
div-inv associate-/l*
pow1
cbrt-undiv expm1-log1p-u log1p-expm1-u
distribute-lft-out--
+-commutative associate-+l- rec-exp frac-2neg flip3-+ diff-log 1-exp clear-num flip-+
associate-+r- sub-neg associate-+r+ pow-flip associate-/r/ fma-udef inv-pow difference-of-squares
Counts
4 → 164
Calls
4 calls:
33.0ms
(+ (fma (- x 0.5) (log x) (- (* x 1))) (+ (- 0.91893853320467 x) x))
5.0ms
(/ 1 (/ x (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333)))
19.0ms
(+ (- 0.91893853320467 x) x)
2.0ms
(/ x (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333))

series489.0ms

Counts
4 → 12
Calls
4 calls:
289.0ms
(+ (fma (- x 0.5) (log x) (- (* x 1))) (+ (- 0.91893853320467 x) x))
88.0ms
(/ 1 (/ x (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333)))
1.0ms
(+ (- 0.91893853320467 x) x)
111.0ms
(/ x (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333))

simplify912.0ms

Counts
176 → 176
Iterations

Useful iterations: done (905.0ms)

IterNodesCost
02883475
16883030
217342645
done50002615

prune633.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 2.2b

regimes361.0ms

Accuracy

67.8% (0.9b remaining)

Error of 4.0b against oracle of 3.1b and baseline of 6.0b

bsearch1.0ms

simplify9.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
060119
187117
289117
done89117

end0.0ms

sample1.8s

Algorithm
intervals
Results
683.0ms11786×body80valid
559.0ms11664×body80nan