Details

Time bar (total: 38.1s)

sample334.0ms

Algorithm
intervals
Results
172.0ms1487×body80nan
47.0ms494×body80valid

simplify2.8s

Counts
1 → 1
Iterations
IterNodes
done5002
51717
4477
3179
271
133
017

prune41.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 1.4b

localize71.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- t 1.0) (log a))
0.3b
(* y (log z))
1.2b
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
2.7b
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

rewrite345.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
25×*-un-lft-identity
21×add-cube-cbrt
13×add-cbrt-cube
12×log-prod exp-sum add-exp-log
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
associate-/r* times-frac prod-exp 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
clear-num sum-log sub-neg frac-2neg flip3-- associate--l+ associate-*r/ div-inv flip-- associate-/l* associate-/l/
Counts
4 → 112
Calls
4 calls:
22.0ms
(* (- t 1.0) (log a))
13.0ms
(* y (log z))
110.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
197.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

series604.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(* (- t 1.0) (log a))
60.0ms
(* y (log z))
204.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
256.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

simplify2.1s

Counts
124 → 124
Iterations
IterNodes
done5001
21943
1621
0277

prune1.3s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 1.3b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (- t 1.0) (log a) (- (* y (log z)) b))
0.3b
(* y (log z))
1.0b
(/ x (/ y (exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))))
1.2b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
96×times-frac
60×add-sqr-sqrt
58×*-un-lft-identity add-cube-cbrt
16×associate-/r*
14×fma-udef
13×exp-sum
11×add-cbrt-cube
10×add-exp-log
pow1
log-prod
div-inv add-log-exp
expm1-log1p-u associate-*r* log1p-expm1-u
distribute-rgt-in cbrt-undiv exp-prod distribute-lft-in div-exp associate-*l* associate-/l*
clear-num frac-2neg pow-prod-down prod-exp associate-/r/ log-pow *-commutative cbrt-unprod unswap-sqr rem-exp-log
Counts
4 → 135
Calls
4 calls:
0.0ms
(fma (- t 1.0) (log a) (- (* y (log z)) b))
14.0ms
(* y (log z))
18.0ms
(/ x (/ y (exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))))
4.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

series652.0ms

Counts
4 → 12
Calls
4 calls:
188.0ms
(fma (- t 1.0) (log a) (- (* y (log z)) b))
50.0ms
(* y (log z))
249.0ms
(/ x (/ y (exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))))
165.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

simplify2.0s

Counts
147 → 147
Iterations
IterNodes
done5000
22098
1751
0307

prune2.3s

Pruning

18 alts after pruning (18 fresh and 0 done)

Merged error: 1.2b

localize151.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
1.2b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
1.2b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
1.2b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
exp-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
add-log-exp
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u
cbrt-prod exp-sum fma-udef rem-exp-log
pow1/3
Counts
4 → 55
Calls
4 calls:
1.0ms
(cbrt y)
2.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
2.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
3.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

series838.0ms

Counts
4 → 12
Calls
4 calls:
295.0ms
(cbrt y)
181.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
199.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
162.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

simplify2.0s

Counts
67 → 67
Iterations
IterNodes
done5000
31439
2490
1203
094

prune1.2s

Pruning

22 alts after pruning (22 fresh and 0 done)

Merged error: 1.1b

localize168.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
1.2b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
1.2b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
1.3b
(pow E (fma (- t 1.0) (log a) (- (* y (log z)) b)))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
exp-prod add-log-exp
pow1 add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u
cbrt-prod pow-unpow unpow-prod-down fma-udef
exp-sum pow-exp rem-exp-log
pow-to-exp unpow-prod-up e-exp-1 pow-pow pow1/3 sqr-pow
Counts
4 → 62
Calls
4 calls:
1.0ms
(cbrt y)
2.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
2.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
6.0ms
(pow E (fma (- t 1.0) (log a) (- (* y (log z)) b)))

series768.0ms

Counts
4 → 12
Calls
4 calls:
270.0ms
(cbrt y)
174.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
172.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
151.0ms
(pow E (fma (- t 1.0) (log a) (- (* y (log z)) b)))

simplify2.3s

Counts
74 → 74
Iterations
IterNodes
done5003
31854
2652
1277
0123

prune1.0s

Pruning

24 alts after pruning (24 fresh and 0 done)

Merged error: 1.0b

regimes4.0s

Accuracy

0% (0.5b remaining)

Error of 1.1b against oracle of 0.6b and baseline of 1.1b

bsearch0.0ms

simplify9.0ms

Iterations
IterNodes
done36
136
030

end0.0ms

sample12.9s

Algorithm
intervals
Results
6.6s44753×body80nan
3.0s15112×body80valid