Details

Time bar (total: 33.2s)

sample197.0ms

Algorithm
intervals
Results
80.0ms364×body80valid
47.0ms402×body80nan

simplify4.0s

Counts
1 → 1
Iterations

Useful iterations: 4 (260.0ms)

IterNodesCost
02024
14023
29223
326523
493422
5433522
done500022

prune22.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.7b

localize55.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333)
0.2b
(- (+ (fma (- x 0.5) (log x) 0.91893853320467) (/ (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) x)) x)
0.3b
(fma (- x 0.5) (log x) 0.91893853320467)
6.2b
(/ (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) x)

rewrite239.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
22×add-sqr-sqrt
20×add-cube-cbrt
12×prod-diff
times-frac add-log-exp
add-exp-log add-cbrt-cube
distribute-lft-out
pow1 expm1-log1p-u fma-neg log1p-expm1-u
associate-/r* associate-/l*
diff-log fma-udef distribute-lft-out--
cbrt-undiv sub-neg flip3-- frac-2neg div-exp associate--l+ clear-num sum-log flip-- div-inv difference-of-squares
Counts
4 → 84
Calls
4 calls:
1.0ms
(fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333)
210.0ms
(- (+ (fma (- x 0.5) (log x) 0.91893853320467) (/ (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) x)) x)
1.0ms
(fma (- x 0.5) (log x) 0.91893853320467)
23.0ms
(/ (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) x)

series1.0s

Counts
4 → 12
Calls
4 calls:
72.0ms
(fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333)
263.0ms
(- (+ (fma (- x 0.5) (log x) 0.91893853320467) (/ (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) x)) x)
563.0ms
(fma (- x 0.5) (log x) 0.91893853320467)
141.0ms
(/ (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) x)

simplify1.3s

Counts
96 → 96
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01782316
14072178
213601923
done50011766

prune963.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.2b

localize56.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333)
0.2b
(- (+ (fma (- x 0.5) (log x) 0.91893853320467) (* (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) (/ 1 x))) x)
0.3b
(fma (- x 0.5) (log x) 0.91893853320467)
6.4b
(* (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) (/ 1 x))

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
22×*-un-lft-identity
19×add-cube-cbrt
13×add-exp-log associate-*r*
11×times-frac
prod-diff add-cbrt-cube add-log-exp
pow1
expm1-log1p-u prod-exp log1p-expm1-u
fma-neg associate-*l* unswap-sqr
diff-log div-exp cbrt-unprod fma-udef
cbrt-undiv sub-neg rec-exp flip3-- 1-exp associate-*r/ pow-prod-down associate--l+ sum-log un-div-inv *-commutative flip-- div-inv distribute-lft-out-- difference-of-squares
Counts
4 → 88
Calls
4 calls:
1.0ms
(fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333)
65.0ms
(- (+ (fma (- x 0.5) (log x) 0.91893853320467) (* (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) (/ 1 x))) x)
1.0ms
(fma (- x 0.5) (log x) 0.91893853320467)
41.0ms
(* (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) (/ 1 x))

series1.0s

Counts
4 → 12
Calls
4 calls:
65.0ms
(fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333)
247.0ms
(- (+ (fma (- x 0.5) (log x) 0.91893853320467) (* (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) (/ 1 x))) x)
552.0ms
(fma (- x 0.5) (log x) 0.91893853320467)
156.0ms
(* (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) (/ 1 x))

simplify2.2s

Counts
100 → 100
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02022400
15002120
219741841
done50011711

prune1.0s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.2b

localize60.0ms

Local error

Found 4 expressions with local error:

0.1b
(* z (- (* (+ y 0.0007936500793651) z) 0.0027777777777778))
0.2b
(- (+ (fma (- x 0.5) (log x) 0.91893853320467) (* (+ (* z (- (* (+ y 0.0007936500793651) z) 0.0027777777777778)) 0.083333333333333) (/ 1 x))) x)
0.3b
(fma (- x 0.5) (log x) 0.91893853320467)
6.4b
(* (+ (* z (- (* (+ y 0.0007936500793651) z) 0.0027777777777778)) 0.083333333333333) (/ 1 x))

rewrite376.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
26×*-un-lft-identity
23×add-cube-cbrt
16×associate-*r*
15×add-exp-log prod-diff
11×times-frac add-cbrt-cube
add-log-exp
pow1
associate-*l*
distribute-rgt-in distribute-lft-in prod-exp
expm1-log1p-u log1p-expm1-u unswap-sqr
sub-neg fma-neg associate-*r/ cbrt-unprod
frac-times flip3-- flip3-+ diff-log div-exp pow-prod-down associate-*l/ *-commutative flip-- flip-+
cbrt-undiv rec-exp 1-exp associate--l+ sum-log un-div-inv fma-udef div-inv distribute-lft-out-- difference-of-squares
Counts
4 → 114
Calls
4 calls:
98.0ms
(* z (- (* (+ y 0.0007936500793651) z) 0.0027777777777778))
73.0ms
(- (+ (fma (- x 0.5) (log x) 0.91893853320467) (* (+ (* z (- (* (+ y 0.0007936500793651) z) 0.0027777777777778)) 0.083333333333333) (/ 1 x))) x)
1.0ms
(fma (- x 0.5) (log x) 0.91893853320467)
196.0ms
(* (+ (* z (- (* (+ y 0.0007936500793651) z) 0.0027777777777778)) 0.083333333333333) (/ 1 x))

series1.0s

Counts
4 → 12
Calls
4 calls:
66.0ms
(* z (- (* (+ y 0.0007936500793651) z) 0.0027777777777778))
218.0ms
(- (+ (fma (- x 0.5) (log x) 0.91893853320467) (* (+ (* z (- (* (+ y 0.0007936500793651) z) 0.0027777777777778)) 0.083333333333333) (/ 1 x))) x)
579.0ms
(fma (- x 0.5) (log x) 0.91893853320467)
158.0ms
(* (+ (* z (- (* (+ y 0.0007936500793651) z) 0.0027777777777778)) 0.083333333333333) (/ 1 x))

simplify2.8s

Counts
126 → 126
Iterations

Useful iterations: done (2.8s)

IterNodesCost
02812978
17402527
237102218
done50002217

prune1.6s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.2b

localize78.0ms

Local error

Found 4 expressions with local error:

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

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
20×add-cube-cbrt *-un-lft-identity
19×pow1
18×sqrt-prod
times-frac
add-exp-log sqrt-pow1 pow1/2 swap-sqr add-cbrt-cube
associate-*r* associate-*l*
pow-prod-up
expm1-log1p-u log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down associate-/r* pow-sqr associate-/l*
fma-udef
cbrt-undiv pow2 frac-2neg pow-plus sqrt-unprod div-exp prod-exp clear-num rem-square-sqrt *-commutative cbrt-unprod div-inv
Counts
4 → 100
Calls
4 calls:
1.0ms
(fma (- x 0.5) (log x) 0.91893853320467)
1.0ms
(fma (- x 0.5) (log x) 0.91893853320467)
29.0ms
(* (sqrt (fma (- x 0.5) (log x) 0.91893853320467)) (sqrt (fma (- x 0.5) (log x) 0.91893853320467)))
11.0ms
(/ (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) x)

series1.9s

Counts
4 → 12
Calls
4 calls:
569.0ms
(fma (- x 0.5) (log x) 0.91893853320467)
575.0ms
(fma (- x 0.5) (log x) 0.91893853320467)
577.0ms
(* (sqrt (fma (- x 0.5) (log x) 0.91893853320467)) (sqrt (fma (- x 0.5) (log x) 0.91893853320467)))
158.0ms
(/ (fma (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z 0.083333333333333) x)

simplify5.6s

Counts
112 → 112
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
01512056
13031560
28401399
345951332
done50001332

prune951.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.2b

regimes774.0ms

Accuracy

87.3% (0.3b remaining)

Error of 4.0b against oracle of 3.7b and baseline of 5.8b

bsearch198.0ms

Steps
ItersRangePoint
9
132261263930.07881
7.385247819399577e+18
5383194378760586.0

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03056
13356
done3356

end0.0ms

sample5.5s

Algorithm
intervals
Results
2.3s11619×body80nan
1.9s11683×body80valid