Details

Time bar (total: 26.5s)

sample145.0ms

Algorithm
intervals
Results
60.0ms365×body80nan
47.0ms364×body80valid

simplify3.8s

Counts
1 → 1
Iterations
IterNodes
done5001
62777
51555
4687
3260
291
140
020

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.8b

localize38.0ms

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))
0.2b
(- (* (- x 0.5) (log x)) x)
6.7b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite148.0ms

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-cbrt-cube add-exp-log
pow1
prod-diff
associate-*l*
expm1-log1p-u associate-*r* insert-posit16 log1p-expm1-u
associate-/r* fma-def associate-/l*
sum-log sub-neg flip3-+ flip3-- diff-log associate-*l/ flip-+ flip-- associate-/l/
cbrt-undiv +-commutative clear-num frac-2neg fma-neg div-exp pow-prod-down prod-exp log-pow *-commutative associate-+l- cbrt-unprod div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 120
Calls
4 calls:
48.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
25.0ms
(* (- x 0.5) (log x))
31.0ms
(- (* (- x 0.5) (log x)) x)
41.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.7s

Counts
4 → 12
Calls
4 calls:
645.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
324.0ms
(* (- x 0.5) (log x))
606.0ms
(- (* (- x 0.5) (log x)) x)
127.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.6s

Counts
132 → 132
Iterations
IterNodes
done5002
21845
1632
0245

prune952.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 5.3b

localize73.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
6.7b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
cbrt-prod times-frac
add-cbrt-cube add-exp-log
expm1-log1p-u pow1 insert-posit16 log1p-expm1-u add-log-exp
associate-/r* pow1/3 associate-/l*
associate-/l/
cbrt-undiv clear-num frac-2neg flip3-+ div-exp flip-+ div-inv
Counts
4 → 74
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)
54.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series887.0ms

Counts
4 → 12
Calls
4 calls:
267.0ms
(cbrt x)
256.0ms
(cbrt x)
251.0ms
(cbrt x)
113.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify2.1s

Counts
86 → 86
Iterations
IterNodes
done5023
32227
2653
1234
0103

prune745.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize76.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (log (sqrt x)) (- x 0.5))
0.2b
(- (* (log (sqrt x)) (- x 0.5)) x)
0.3b
(+ (* (log (sqrt x)) (- x 0.5)) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
6.7b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite268.0ms

Algorithm
rewrite-expression-head
Rules
57×prod-diff
55×add-sqr-sqrt
53×*-un-lft-identity
51×add-cube-cbrt
33×distribute-rgt-in distribute-lft-in
22×associate-+l+ associate--l+
15×add-log-exp
times-frac
pow1 add-cbrt-cube add-exp-log
sub-neg
associate-*l* associate-*r/
sum-log associate-*r*
expm1-log1p-u flip3-+ flip3-- frac-add flip-+ insert-posit16 log1p-expm1-u flip--
associate-/r* log-pow associate-/l*
diff-log associate-/l/
cbrt-undiv +-commutative associate-+r+ clear-num associate-+r- fma-def frac-2neg sqrt-pow1 pow1/2 fma-neg div-exp pow-prod-down prod-exp *-commutative associate-+l- cbrt-unprod div-inv distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 168
Calls
4 calls:
25.0ms
(* (log (sqrt x)) (- x 0.5))
22.0ms
(- (* (log (sqrt x)) (- x 0.5)) x)
143.0ms
(+ (* (log (sqrt x)) (- x 0.5)) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
74.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series673.0ms

Counts
4 → 12
Calls
4 calls:
162.0ms
(* (log (sqrt x)) (- x 0.5))
226.0ms
(- (* (log (sqrt x)) (- x 0.5)) x)
187.0ms
(+ (* (log (sqrt x)) (- x 0.5)) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
98.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify2.0s

Counts
180 → 180
Iterations
IterNodes
done5007
23216
1938
0324

prune1.8s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (log (sqrt x)) (- x 0.5))
0.2b
(- (* (log (sqrt x)) (- x 0.5)) x)
0.2b
(fma (log (sqrt x)) (- x 0.5) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
6.7b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
41×*-un-lft-identity
39×prod-diff add-cube-cbrt
22×distribute-rgt-in distribute-lft-in associate--l+
times-frac
pow1 add-cbrt-cube add-exp-log
associate-*l* add-log-exp
sub-neg associate-*r*
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r* log-pow associate-/l*
flip3-- associate-*r/ flip-- associate-/l/
cbrt-undiv clear-num frac-2neg sqrt-pow1 flip3-+ pow1/2 fma-neg diff-log div-exp pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ fma-udef div-inv distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 134
Calls
4 calls:
27.0ms
(* (log (sqrt x)) (- x 0.5))
25.0ms
(- (* (log (sqrt x)) (- x 0.5)) x)
0.0ms
(fma (log (sqrt x)) (- x 0.5) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
73.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series811.0ms

Counts
4 → 12
Calls
4 calls:
132.0ms
(* (log (sqrt x)) (- x 0.5))
216.0ms
(- (* (log (sqrt x)) (- x 0.5)) x)
334.0ms
(fma (log (sqrt x)) (- x 0.5) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
127.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify2.0s

Counts
146 → 146
Iterations
IterNodes
done5000
21890
1683
0270

prune1.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

regimes941.0ms

Accuracy

97.2% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 5.7b

bsearch153.0ms

Steps
ItersRangePoint
7
170178.13541022167
3402034.979919666
3366613.9142424935

simplify25.0ms

Iterations
IterNodes
done67
267
163
045

end0.0ms

sample4.3s

Algorithm
intervals
Results
2.1s11724×body80nan
1.6s11666×body80valid