Details

Time bar (total: 34.5s)

sample764.0ms

Algorithm
intervals
Results
399.0ms418×body80valid
163.0ms1360×body80nan
8.0ms18×body320valid
5.0msbody640valid
3.0msbody1280valid
2.0msbody160valid

simplify1.8s

Counts
1 → 1
Iterations
IterNodes
done5004
51059
4334
3127
258
130
017

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 2.1b

localize35.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
0.2b
(* y (- (log z) t))
0.5b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
4.6b
(log (- 1.0 z))

rewrite92.0ms

Algorithm
rewrite-expression-head
Rules
27×log-prod
24×add-sqr-sqrt
23×*-un-lft-identity
22×associate--l+
17×distribute-rgt-in distribute-lft-in
14×associate-+r+ add-cube-cbrt
10×associate-+l+ associate-*r/
add-log-exp
pow1
add-exp-log
sub-neg flip3-- add-cbrt-cube associate-*r* flip--
distribute-lft-out--
frac-add difference-of-squares
exp-prod associate-*l*
log-div sum-log log-pow rem-exp-log
+-commutative flip3-+ rem-log-exp exp-sum pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 101
Calls
4 calls:
35.0ms
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
21.0ms
(* y (- (log z) t))
23.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
8.0ms
(log (- 1.0 z))

series616.0ms

Counts
4 → 12
Calls
4 calls:
221.0ms
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
96.0ms
(* y (- (log z) t))
255.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
44.0ms
(log (- 1.0 z))

simplify1.8s

Counts
113 → 113
Iterations
IterNodes
done5009
21966
1657
0254

prune843.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.6b

localize56.0ms

Local error

Found 4 expressions with local error:

0.2b
(* y (- (log z) t))
0.3b
(* (/ 1.0 z) (/ 1.0 z))
0.5b
(+ (* y (- (log z) t)) (* a (- (- (- (log 1.0) (* 1.0 z)) (/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))) b)))
1.1b
(/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))

rewrite198.0ms

Algorithm
rewrite-expression-head
Rules
58×add-sqr-sqrt
45×*-un-lft-identity
43×times-frac
42×associate--l+ add-cube-cbrt
36×add-cbrt-cube add-exp-log
19×distribute-rgt-in distribute-lft-in associate-*r*
18×associate-+r+ log-prod
16×associate-*l*
14×pow1
13×cbrt-undiv swap-sqr div-exp
12×associate-*r/
10×associate-+l+ sub-neg
prod-exp cbrt-unprod
add-log-exp
flip3-- div-inv flip-- unswap-sqr
frac-add
associate-/r/ associate-/l*
frac-times pow-prod-down associate-*l/ *-commutative distribute-lft-out--
pow2 +-commutative clear-num associate-/r* sum-log frac-2neg flip3-+ pow-plus pow-sqr log-pow pow-prod-up flip-+ difference-of-squares
Counts
4 → 173
Calls
4 calls:
25.0ms
(* y (- (log z) t))
28.0ms
(* (/ 1.0 z) (/ 1.0 z))
117.0ms
(+ (* y (- (log z) t)) (* a (- (- (- (log 1.0) (* 1.0 z)) (/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))) b)))
13.0ms
(/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))

series556.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(* y (- (log z) t))
35.0ms
(* (/ 1.0 z) (/ 1.0 z))
358.0ms
(+ (* y (- (log z) t)) (* a (- (- (- (log 1.0) (* 1.0 z)) (/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))) b)))
49.0ms
(/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))

simplify2.2s

Counts
185 → 185
Iterations
IterNodes
done5002
23396
1965
0329

prune1.8s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize155.0ms

Local error

Found 4 expressions with local error:

0.5b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
4.6b
(log (- 1.0 z))
4.6b
(log (- 1.0 z))
4.6b
(log (- 1.0 z))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
31×log-prod
21×add-sqr-sqrt *-un-lft-identity
16×associate--l+
14×associate-+r+
12×distribute-rgt-in distribute-lft-in
11×add-cube-cbrt
10×associate-+l+
associate-*r/
pow1 flip3-- add-exp-log flip--
log-div add-log-exp
distribute-lft-out-- difference-of-squares
sub-neg add-cbrt-cube frac-add
rem-log-exp log-pow
+-commutative sum-log flip3-+ flip-+
Counts
4 → 87
Calls
4 calls:
35.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
4.0ms
(log (- 1.0 z))
4.0ms
(log (- 1.0 z))
4.0ms
(log (- 1.0 z))

series526.0ms

Counts
4 → 12
Calls
4 calls:
291.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
74.0ms
(log (- 1.0 z))
74.0ms
(log (- 1.0 z))
87.0ms
(log (- 1.0 z))

simplify1.8s

Counts
99 → 99
Iterations
IterNodes
done5000
21586
1495
0188

prune1.3s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize212.0ms

Local error

Found 4 expressions with local error:

4.6b
(log (- 1.0 z))
12.2b
(cbrt (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
12.2b
(cbrt (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
12.2b
(cbrt (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
24×associate-*r/
18×cbrt-div
13×flip3-- flip--
12×frac-add
10×add-sqr-sqrt *-un-lft-identity
cbrt-prod
add-cube-cbrt
pow1 log-prod add-exp-log
add-cbrt-cube add-log-exp
flip3-+ pow1/3 flip-+
log-div
rem-log-exp log-pow distribute-lft-out-- difference-of-squares
Counts
4 → 67
Calls
4 calls:
8.0ms
(log (- 1.0 z))
18.0ms
(cbrt (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
19.0ms
(cbrt (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
19.0ms
(cbrt (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))

series2.8s

Counts
4 → 12
Calls
4 calls:
82.0ms
(log (- 1.0 z))
949.0ms
(cbrt (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
952.0ms
(cbrt (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
857.0ms
(cbrt (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))

simplify2.0s

Counts
79 → 79
Iterations
IterNodes
done5008
22042
1617
0225

prune1.1s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

regimes761.0ms

Accuracy

40.6% (1.0b remaining)

Error of 1.3b against oracle of 0.3b and baseline of 2.0b

bsearch4.0ms

simplify20.0ms

Iterations
IterNodes
done66
366
265
159
040

end0.0ms

sample12.8s

Algorithm
intervals
Results
5.0s41239×body80nan
2.8s12486×body80valid
209.0ms353×body640valid
167.0ms410×body320valid
137.0ms269×body160valid
81.0ms60×body1280valid