Details

Time bar (total: 17.5s)

sample59.0ms

Algorithm
intervals
Results
16.0ms287×body80valid
15.0ms281×body80nan
0.0msbody640valid

simplify3.0s

Counts
1 → 1
Iterations
IterNodes
done5000
54493
41075
3279
288
130
015

prune33.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize34.0ms

Local error

Found 2 expressions with local error:

0.0b
(- 1 (log t))
0.1b
(fma (- 1 (log t)) z (+ (fma b (- a 0.5) x) y))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
15×*-un-lft-identity
14×add-sqr-sqrt
12×prod-diff
11×add-cube-cbrt
pow1
log-pow
log-prod fma-neg associate--r+ add-log-exp
expm1-log1p-u add-cbrt-cube add-exp-log log1p-expm1-u distribute-lft-out-- difference-of-squares
sub-neg flip3-- diff-log fma-udef flip--
Counts
2 → 46
Calls
2 calls:
7.0ms
(- 1 (log t))
0.0ms
(fma (- 1 (log t)) z (+ (fma b (- a 0.5) x) y))

series480.0ms

Counts
2 → 6
Calls
2 calls:
185.0ms
(- 1 (log t))
295.0ms
(fma (- 1 (log t)) z (+ (fma b (- a 0.5) x) y))

simplify611.0ms

Counts
52 → 52
Iterations
IterNodes
done5000
2710
1218
0103

prune270.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize31.0ms

Local error

Found 3 expressions with local error:

0.0b
(log (/ E t))
0.1b
(fma (log (/ E t)) z (+ (fma b (- a 0.5) x) y))
0.3b
(/ E t)

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt *-un-lft-identity times-frac add-cube-cbrt
13×log-prod
10×add-exp-log
add-cbrt-cube
pow1 div-exp
expm1-log1p-u associate-/r* rem-log-exp log1p-expm1-u associate-/l* add-log-exp
e-exp-1 div-inv
cbrt-undiv log-div clear-num frac-2neg log-pow fma-udef
Counts
3 → 67
Calls
3 calls:
2.0ms
(log (/ E t))
0.0ms
(fma (log (/ E t)) z (+ (fma b (- a 0.5) x) y))
6.0ms
(/ E t)

series598.0ms

Counts
3 → 9
Calls
3 calls:
195.0ms
(log (/ E t))
367.0ms
(fma (log (/ E t)) z (+ (fma b (- a 0.5) x) y))
36.0ms
(/ E t)

simplify1.3s

Counts
76 → 76
Iterations
IterNodes
done5002
32628
2545
1221
0116

prune548.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize42.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt t)
0.6b
(cbrt t)
1.6b
(cbrt E)
1.6b
(cbrt E)

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube pow1/3 add-exp-log log1p-expm1-u add-log-exp
Counts
4 → 52
Calls
4 calls:
1.0ms
(cbrt t)
1.0ms
(cbrt t)
1.0ms
(cbrt E)
1.0ms
(cbrt E)

series800.0ms

Counts
4 → 8
Calls
4 calls:
570.0ms
(cbrt t)
230.0ms
(cbrt t)
0.0ms
(cbrt E)
0.0ms
(cbrt E)

simplify893.0ms

Counts
60 → 60
Iterations
IterNodes
done5001
41717
3553
2195
190
055

prune598.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (- a 0.5) b)
0.0b
(+ (- (+ (+ x y) z) (* z (log t))) (* (- a 0.5) b))
0.1b
(- (+ (+ x y) z) (* z (log t)))
0.3b
(* z (log t))

rewrite885.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
27×add-log-exp
22×add-sqr-sqrt
16×add-cube-cbrt
12×log-prod
10×sum-log prod-diff
pow1 distribute-lft-out
associate-+l+ add-cbrt-cube associate-*l* add-exp-log
associate-*r*
distribute-rgt-in distribute-lft-in flip3-- diff-log associate-*l/ flip-- associate--r+
fma-neg
expm1-log1p-u frac-add log1p-expm1-u
fma-def
sub-neg pow-prod-down prod-exp associate--l+ *-commutative cbrt-unprod unswap-sqr
+-commutative flip3-+ log-pow associate-+l- flip-+ distribute-lft-out-- difference-of-squares
Counts
4 → 116
Calls
4 calls:
34.0ms
(* (- a 0.5) b)
621.0ms
(+ (- (+ (+ x y) z) (* z (log t))) (* (- a 0.5) b))
211.0ms
(- (+ (+ x y) z) (* z (log t)))
13.0ms
(* z (log t))

series352.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(* (- a 0.5) b)
214.0ms
(+ (- (+ (+ x y) z) (* z (log t))) (* (- a 0.5) b))
47.0ms
(- (+ (+ x y) z) (* z (log t)))
48.0ms
(* z (log t))

simplify1.7s

Counts
128 → 128
Iterations
IterNodes
done5000
22744
1615
0222

prune917.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

regimes1.2s

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify6.0ms

Iterations
IterNodes
done26
226
124
019

end0.0ms

sample3.1s

Algorithm
intervals
Results
1.1s9018×body80nan
1.0s9212×body80valid
1.0msbody1280valid
0.0msbody640valid
0.0msbody320valid