Details

Time bar (total: 18.7s)

sample206.0ms

Algorithm
intervals
Results
70.0ms1501×body80nan
33.0ms495×body80valid

simplify51.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
03310
17310
21978
35588
422878
550018
done50018

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- t 1.0) (log a))
0.2b
(* y (log z))
1.0b
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
1.3b
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

rewrite299.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
25×*-un-lft-identity
21×add-cube-cbrt
13×add-cbrt-cube
12×add-exp-log log-prod exp-sum
10×pow1 add-log-exp
prod-diff
associate-*r* associate-*l*
distribute-rgt-in distribute-lft-in
exp-prod
expm1-log1p-u log1p-expm1-u
times-frac prod-exp associate-/r* cbrt-unprod rem-exp-log
cbrt-undiv exp-diff diff-log div-exp pow-prod-down associate-*l/ log-pow *-commutative distribute-lft-out-- difference-of-squares unswap-sqr
sub-neg flip3-- frac-2neg associate-*r/ associate--l+ clear-num sum-log flip-- div-inv associate-/l/ associate-/l*
Counts
4 → 112
Calls
4 calls:
25.0ms
(* (- t 1.0) (log a))
9.0ms
(* y (log z))
79.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
183.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

series410.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(* (- t 1.0) (log a))
37.0ms
(* y (log z))
124.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
187.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

simplify60.0ms

Counts
124 → 124
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
05801143
12309897
25002860
done5002860

prune422.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))))
0.1b
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
0.2b
(fma (log (/ 1 a)) t b)
1.3b
(/ (* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))))) y)

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
114×times-frac
74×add-sqr-sqrt
72×associate-*r*
58×*-un-lft-identity
57×add-cube-cbrt
55×unpow-prod-down
41×add-exp-log
24×div-exp
19×fma-udef
18×add-cbrt-cube
17×exp-sum
14×prod-exp
pow-exp
pow1 div-inv unswap-sqr
cbrt-undiv sqr-pow
expm1-log1p-u cbrt-unprod log1p-expm1-u add-log-exp
associate-*l* associate-/r*
pow-to-exp rec-exp 1-exp associate-*r/
frac-2neg pow-prod-down clear-num *-commutative associate-/l/ associate-/l*
Counts
4 → 153
Calls
4 calls:
52.0ms
(* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))))
0.0ms
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
0.0ms
(fma (log (/ 1 a)) t b)
25.0ms
(/ (* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))))) y)

series904.0ms

Counts
4 → 12
Calls
4 calls:
368.0ms
(* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))))
91.0ms
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
83.0ms
(fma (log (/ 1 a)) t b)
362.0ms
(/ (* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))))) y)

simplify92.0ms

Counts
165 → 165
Iterations

Useful iterations: 2 (74.0ms)

IterNodesCost
09042177
141421910
250011900
done50011900

prune733.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
0.2b
(fma (log (/ 1 a)) t b)
0.2b
(/ 1 (/ y (* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))))))
1.2b
(/ y (* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))))))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
108×add-exp-log
82×div-exp
39×times-frac
28×prod-exp
27×add-cbrt-cube
23×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
16×pow-exp
13×rec-exp 1-exp
12×cbrt-undiv
associate-/r*
associate-/r/ div-inv associate-/l*
pow1 associate-*r/
expm1-log1p-u pow-to-exp cbrt-unprod log1p-expm1-u add-log-exp
frac-2neg clear-num fma-udef
pow-flip inv-pow
Counts
4 → 132
Calls
4 calls:
0.0ms
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
0.0ms
(fma (log (/ 1 a)) t b)
45.0ms
(/ 1 (/ y (* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))))))
22.0ms
(/ y (* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))))))

series926.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
80.0ms
(fma (log (/ 1 a)) t b)
385.0ms
(/ 1 (/ y (* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))))))
373.0ms
(/ y (* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))))))

simplify70.0ms

Counts
144 → 144
Iterations

Useful iterations: 2 (53.0ms)

IterNodesCost
06902149
129021832
250011722
done50011722

prune457.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(log (/ 1 z))
0.1b
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
0.2b
(fma (log (/ 1 a)) t b)
5.6b
(/ (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))) (/ y x))

rewrite179.0ms

Algorithm
rewrite-expression-head
Rules
3058×times-frac
1222×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
728×unpow-prod-down
240×fma-udef
238×exp-sum
145×div-inv
72×associate-/l*
56×sqr-pow
44×add-exp-log
39×div-exp
16×add-cbrt-cube
13×log-prod associate-/r*
cbrt-undiv pow-exp
pow1
expm1-log1p-u rem-log-exp log1p-expm1-u add-log-exp
rec-exp 1-exp log-pow
pow-to-exp
log-div pow-flip frac-2neg log-rec clear-num associate-/r/ associate-/l/ inv-pow
Counts
4 → 1104
Calls
4 calls:
3.0ms
(log (/ 1 z))
0.0ms
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
0.0ms
(fma (log (/ 1 a)) t b)
58.0ms
(/ (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))) (/ y x))

series842.0ms

Counts
4 → 12
Calls
4 calls:
119.0ms
(log (/ 1 z))
91.0ms
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
81.0ms
(fma (log (/ 1 a)) t b)
551.0ms
(/ (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))) (/ y x))

simplify252.0ms

Counts
1116 → 1116
Iterations

Useful iterations: 0 (23.0ms)

IterNodesCost
0500128974
done500128974

prune6.0s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

regimes252.0ms

Accuracy

37.7% (1.2b remaining)

Error of 1.2b against oracle of 0.0b and baseline of 1.9b

bsearch327.0ms

Steps
ItersRangePoint
9
7.791696405648315e-78
9.376691559823527e-73
9.283546491991938e-73
7
-2.6682199102389765e-257
-7.901070486114423e-259
-2.2383633819607527e-257

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04457
14457
done4457

end0.0ms

sample5.9s

Algorithm
intervals
Results
2.2s45622×body80nan
867.0ms15188×body80valid