Details

Time bar (total: 1.4m)

sample437.0ms

Algorithm
intervals
Results
153.0ms465×body80valid
149.0ms1370×body80nan

simplify7.9s

Counts
1 → 1
Iterations
IterNodes
done5000
51724
4480
3179
271
133
017

prune121.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.8b

localize523.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- t 1.0) (log a))
0.3b
(* y (log z))
0.8b
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
1.0b
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

rewrite868.0ms

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:
71.0ms
(* (- t 1.0) (log a))
20.0ms
(* y (log z))
190.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
565.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

series801.0ms

Counts
4 → 12
Calls
4 calls:
129.0ms
(* (- t 1.0) (log a))
99.0ms
(* y (log z))
239.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
334.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

simplify4.2s

Counts
124 → 124
Iterations
IterNodes
done5001
21918
1618
0275

prune2.3s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.6b

localize104.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
0.8b
(exp (fma (log z) y (- (* (- t 1.0) (log a)) b)))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-log-exp
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
exp-prod pow1/3
exp-sum fma-udef rem-exp-log
Counts
4 → 53
Calls
4 calls:
2.0ms
(cbrt y)
2.0ms
(cbrt y)
2.0ms
(cbrt y)
4.0ms
(exp (fma (log z) y (- (* (- t 1.0) (log a)) b)))

series2.6s

Counts
4 → 12
Calls
4 calls:
874.0ms
(cbrt y)
715.0ms
(cbrt y)
718.0ms
(cbrt y)
284.0ms
(exp (fma (log z) y (- (* (- t 1.0) (log a)) b)))

simplify4.5s

Counts
65 → 65
Iterations
IterNodes
done5000
31463
2490
1208
094

prune1.2s

Pruning

19 alts after pruning (19 fresh and 0 done)

Merged error: 0.5b

localize141.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
0.8b
(exp (fma (log z) y (- (* (- t 1.0) (log a)) b)))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-log-exp
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
exp-prod pow1/3
exp-sum fma-udef rem-exp-log
Counts
4 → 53
Calls
4 calls:
2.0ms
(cbrt y)
2.0ms
(cbrt y)
2.0ms
(cbrt y)
4.0ms
(exp (fma (log z) y (- (* (- t 1.0) (log a)) b)))

series1.7s

Counts
4 → 12
Calls
4 calls:
373.0ms
(cbrt y)
664.0ms
(cbrt y)
388.0ms
(cbrt y)
296.0ms
(exp (fma (log z) y (- (* (- t 1.0) (log a)) b)))

simplify3.6s

Counts
65 → 65
Iterations
IterNodes
done5000
31463
2490
1208
094

prune1.6s

Pruning

23 alts after pruning (23 fresh and 0 done)

Merged error: 0.5b

localize185.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
0.8b
(exp (fma (log z) y (- (* (- t 1.0) (log a)) b)))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-log-exp
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
exp-prod pow1/3
exp-sum fma-udef rem-exp-log
Counts
4 → 53
Calls
4 calls:
2.0ms
(cbrt y)
2.0ms
(cbrt y)
2.0ms
(cbrt y)
4.0ms
(exp (fma (log z) y (- (* (- t 1.0) (log a)) b)))

series2.3s

Counts
4 → 12
Calls
4 calls:
1.1s
(cbrt y)
537.0ms
(cbrt y)
370.0ms
(cbrt y)
288.0ms
(exp (fma (log z) y (- (* (- t 1.0) (log a)) b)))

simplify3.4s

Counts
65 → 65
Iterations
IterNodes
done5000
31463
2490
1208
094

prune1.9s

Pruning

23 alts after pruning (23 fresh and 0 done)

Merged error: 0.5b

regimes11.7s

Accuracy

0% (1.1b remaining)

Error of 1.8b against oracle of 0.7b and baseline of 1.8b

bsearch1.0ms

simplify14.0ms

Iterations
IterNodes
done28
128
024

end5.0ms

sample29.1s

Algorithm
intervals
Results
15.7s44707×body80nan
8.6s15172×body80valid