Details

Time bar (total: 19.9s)

sample184.0ms

Algorithm
intervals
Results
65.0ms1316×body80nan
27.0ms485×body80valid

simplify52.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
03310
17310
21978
35588
422878
550018
done50018

prune11.0ms

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))
0.3b
(* y (log z))
1.1b
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
1.2b
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

rewrite295.0ms

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:
23.0ms
(* (- t 1.0) (log a))
9.0ms
(* y (log z))
77.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
181.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

series430.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(* (- t 1.0) (log a))
39.0ms
(* y (log z))
130.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
198.0ms
(/ (* 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

prune444.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

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

rewrite90.0ms

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:
55.0ms
(* 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)

series928.0ms

Counts
4 → 12
Calls
4 calls:
379.0ms
(* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))))
86.0ms
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
83.0ms
(fma (log (/ 1 a)) t b)
379.0ms
(/ (* x (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))))) y)

simplify93.0ms

Counts
165 → 165
Iterations

Useful iterations: 2 (75.0ms)

IterNodesCost
09042177
141411915
250011905
done50011905

prune767.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

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

rewrite252.0ms

Algorithm
rewrite-expression-head
Rules
3407×times-frac
1391×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
832×unpow-prod-down
293×associate-/r*
274×fma-udef
272×exp-sum
86×div-inv
64×sqr-pow
41×add-exp-log
38×div-exp
18×add-cbrt-cube
cbrt-undiv
pow-exp
associate-/r/ associate-/l*
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
pow-to-exp rec-exp frac-2neg 1-exp clear-num
Counts
4 → 1244
Calls
4 calls:
32.0ms
(/ y (/ (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)
71.0ms
(/ x (/ y (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))))))

series892.0ms

Counts
4 → 12
Calls
4 calls:
325.0ms
(/ y (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b)))))
88.0ms
(fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))
74.0ms
(fma (log (/ 1 a)) t b)
373.0ms
(/ x (/ y (/ (pow (/ 1 a) 1.0) (exp (fma y (log (/ 1 z)) (fma (log (/ 1 a)) t b))))))

simplify323.0ms

Counts
1256 → 1256
Iterations

Useful iterations: 1 (77.0ms)

IterNodesCost
0492830290
1500130288
done500130288

prune6.9s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* (log (/ 1 z)) y) (+ (* (log (/ 1 a)) t) b))
0.3b
(* (log (/ 1 z)) y)
0.3b
(* (log (/ 1 a)) t)
1.0b
(/ x (* (pow (pow a 1.0) 1.0) (* (exp (+ (* (log (/ 1 z)) y) (+ (* (log (/ 1 a)) t) b))) y)))

rewrite779.0ms

Algorithm
rewrite-expression-head
Rules
36×add-exp-log
17×prod-exp add-cbrt-cube
14×add-sqr-sqrt
12×pow1 associate-*l*
11×div-exp
10×add-cube-cbrt *-un-lft-identity
add-log-exp
pow-exp
associate-*r* log-pow
cbrt-unprod
expm1-log1p-u pow-to-exp log1p-expm1-u
cbrt-undiv times-frac sum-log associate-/l*
distribute-lft-neg-out pow-flip log-rec pow-prod-down *-commutative inv-pow unswap-sqr
+-commutative associate-+r+ fma-def frac-2neg flip3-+ clear-num associate-/r* flip-+ div-inv
Counts
4 → 97
Calls
4 calls:
25.0ms
(+ (* (log (/ 1 z)) y) (+ (* (log (/ 1 a)) t) b))
10.0ms
(* (log (/ 1 z)) y)
11.0ms
(* (log (/ 1 a)) t)
729.0ms
(/ x (* (pow (pow a 1.0) 1.0) (* (exp (+ (* (log (/ 1 z)) y) (+ (* (log (/ 1 a)) t) b))) y)))

series593.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(+ (* (log (/ 1 z)) y) (+ (* (log (/ 1 a)) t) b))
63.0ms
(* (log (/ 1 z)) y)
62.0ms
(* (log (/ 1 a)) t)
368.0ms
(/ x (* (pow (pow a 1.0) 1.0) (* (exp (+ (* (log (/ 1 z)) y) (+ (* (log (/ 1 a)) t) b))) y)))

simplify63.0ms

Counts
109 → 109
Iterations

Useful iterations: 2 (53.0ms)

IterNodesCost
05701056
12223884
25002860
done5002860

prune433.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

regimes220.0ms

Accuracy

63.7% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 1.2b

bsearch124.0ms

Steps
ItersRangePoint
9
2.452778789580981e-183
2.937420359618918e-178
2.0310778362127112e-178

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04550
14550
done4550

end0.0ms

sample5.9s

Algorithm
intervals
Results
2.1s45874×body80nan
880.0ms15242×body80valid