Details

Time bar (total: 23.4s)

sample47.0ms

Algorithm
intervals
Results
21.0ms272×body80valid

simplify5.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01317
12517
23917
36417
411417
520117
640317
794617
8251517
done500117

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.8b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* t z) x)
0.0b
(+ x (/ (- (* y z) x) (- (* t z) x)))
0.2b
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
9.6b
(/ (- (* y z) x) (- (* t z) x))

rewrite317.0ms

Algorithm
rewrite-expression-head
Rules
46×*-un-lft-identity
25×times-frac
24×add-sqr-sqrt add-cube-cbrt
11×distribute-lft-out
add-exp-log add-cbrt-cube add-log-exp
associate-/r* associate-/l*
pow1 expm1-log1p-u div-sub associate-/r/ log1p-expm1-u associate-/l/
flip3-- fma-def flip3-+ prod-diff flip-- flip-+
cbrt-undiv associate-+r- frac-2neg div-exp clear-num div-inv
+-commutative sub-neg fma-neg diff-log sum-log
Counts
4 → 113
Calls
4 calls:
17.0ms
(- (* t z) x)
71.0ms
(+ x (/ (- (* y z) x) (- (* t z) x)))
178.0ms
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
47.0ms
(/ (- (* y z) x) (- (* t z) x))

series481.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(- (* t z) x)
153.0ms
(+ x (/ (- (* y z) x) (- (* t z) x)))
219.0ms
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
79.0ms
(/ (- (* y z) x) (- (* t z) x))

simplify3.5s

Counts
125 → 125
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
01822295
14542174
213082039
344982030
done50002030

prune546.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.2b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (fma (/ y (- (* t z) x)) z x) (/ x (- (* t z) x))) (+ x 1.0))
3.4b
(fma (/ y (- (* t z) x)) z x)
3.4b
(/ x (- (* t z) x))
3.6b
(/ y (- (* t z) x))

rewrite231.0ms

Algorithm
rewrite-expression-head
Rules
57×add-sqr-sqrt
56×*-un-lft-identity
47×times-frac
32×add-cube-cbrt
12×associate-/l*
10×add-exp-log associate-/r* add-cbrt-cube difference-of-squares
distribute-lft-out
associate-/r/
distribute-lft-out--
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- div-inv
associate-/l/
flip3-+ div-sub flip-+ fma-udef
Counts
4 → 125
Calls
4 calls:
189.0ms
(/ (- (fma (/ y (- (* t z) x)) z x) (/ x (- (* t z) x))) (+ x 1.0))
1.0ms
(fma (/ y (- (* t z) x)) z x)
16.0ms
(/ x (- (* t z) x))
22.0ms
(/ y (- (* t z) x))

series459.0ms

Counts
4 → 12
Calls
4 calls:
234.0ms
(/ (- (fma (/ y (- (* t z) x)) z x) (/ x (- (* t z) x))) (+ x 1.0))
78.0ms
(fma (/ y (- (* t z) x)) z x)
96.0ms
(/ x (- (* t z) x))
51.0ms
(/ y (- (* t z) x))

simplify3.3s

Counts
137 → 137
Iterations

Useful iterations: done (3.3s)

IterNodesCost
02152892
14892833
212762663
334492657
done50002651

prune669.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.2b

localize24.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ 1 (- (* t z) x))
3.3b
(* x (/ 1 (- (* t z) x)))
3.4b
(fma (/ y (- (* t z) x)) z x)
3.6b
(/ y (- (* t z) x))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt
29×*-un-lft-identity times-frac
28×add-cube-cbrt
19×add-exp-log
15×associate-*r*
13×add-cbrt-cube
pow1
associate-/r* associate-/r/ associate-/l*
div-exp
expm1-log1p-u prod-exp log1p-expm1-u add-log-exp
cbrt-undiv flip3-- associate-*l* flip-- div-inv unswap-sqr
rec-exp frac-2neg 1-exp clear-num cbrt-unprod
pow-flip associate-*r/ pow-prod-down un-div-inv *-commutative fma-udef inv-pow
Counts
4 → 116
Calls
4 calls:
25.0ms
(/ 1 (- (* t z) x))
55.0ms
(* x (/ 1 (- (* t z) x)))
1.0ms
(fma (/ y (- (* t z) x)) z x)
16.0ms
(/ y (- (* t z) x))

series284.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(/ 1 (- (* t z) x))
105.0ms
(* x (/ 1 (- (* t z) x)))
94.0ms
(fma (/ y (- (* t z) x)) z x)
51.0ms
(/ y (- (* t z) x))

simplify2.3s

Counts
128 → 128
Iterations

Useful iterations: done (2.3s)

IterNodesCost
01601485
13481328
27791193
317881193
done50001189

prune539.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.2b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (+ x 1.0))
0.0b
(+ x (/ (- (* y z) x) (- (* t z) x)))
0.3b
(* (+ x (/ (- (* y z) x) (- (* t z) x))) (/ 1 (+ x 1.0)))
9.6b
(/ (- (* y z) x) (- (* t z) x))

rewrite350.0ms

Algorithm
rewrite-expression-head
Rules
50×*-un-lft-identity
38×add-sqr-sqrt
35×times-frac
31×add-cube-cbrt
19×add-exp-log
18×associate-*r*
13×add-cbrt-cube
distribute-lft-out
pow1 associate-/r*
associate-/r/ associate-/l* add-log-exp
flip3-+ div-exp flip-+
expm1-log1p-u associate-*l* prod-exp log1p-expm1-u
cbrt-undiv fma-def div-inv unswap-sqr
frac-times rec-exp flip3-- frac-2neg 1-exp div-sub associate-*l/ clear-num flip-- cbrt-unprod associate-/l/
+-commutative associate-+r- pow-flip associate-*r/ pow-prod-down sum-log un-div-inv *-commutative inv-pow
Counts
4 → 139
Calls
4 calls:
16.0ms
(/ 1 (+ x 1.0))
49.0ms
(+ x (/ (- (* y z) x) (- (* t z) x)))
220.0ms
(* (+ x (/ (- (* y z) x) (- (* t z) x))) (/ 1 (+ x 1.0)))
59.0ms
(/ (- (* y z) x) (- (* t z) x))

series459.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(/ 1 (+ x 1.0))
158.0ms
(+ x (/ (- (* y z) x) (- (* t z) x)))
176.0ms
(* (+ x (/ (- (* y z) x) (- (* t z) x))) (/ 1 (+ x 1.0)))
99.0ms
(/ (- (* y z) x) (- (* t z) x))

simplify1.7s

Counts
151 → 151
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02062570
15372318
216712123
done50012118

prune642.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.2b

regimes259.0ms

Accuracy

29.5% (3.1b remaining)

Error of 3.5b against oracle of 0.4b and baseline of 4.8b

bsearch112.0ms

Steps
ItersRangePoint
9
4.863564902743035e+100
5.86912954660432e+106
3.0678918401680893e+102
5
-5.278031834180875e+72
-2.1107077928971596e+72
-3.2224235875553088e+72

simplify8.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
02445
13537
done3537

end0.0ms

sample1.4s

Algorithm
intervals
Results
839.0ms8321×body80valid