Details

Time bar (total: 16.1s)

sample40.0ms

Algorithm
intervals
Results
13.0ms253×body80valid
3.0ms14×body640valid
2.0msbody1280valid
1.0msbody320valid
1.0msbody2560valid
1.0msbody160valid

simplify2.2s

Counts
1 → 1
Iterations
IterNodes
done5000
63874
5979
4326
3116
245
120
011

prune24.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 9.3b

localize20.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.1b
(fma (/ (- z t) (- a t)) (- y x) x)

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-cbrt-cube add-exp-log
expm1-log1p-u pow1 flip3-- associate-/r/ log1p-expm1-u flip-- add-log-exp associate-/l/
cbrt-undiv clear-num frac-2neg div-sub div-exp fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
24.0ms
(/ (- z t) (- a t))
0.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

series251.0ms

Counts
2 → 6
Calls
2 calls:
73.0ms
(/ (- z t) (- a t))
178.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

simplify1.9s

Counts
70 → 70
Iterations
IterNodes
done5000
34602
2861
1272
0116

prune551.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.6b

localize32.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
0.2b
(/ 1 (/ (- a t) (- z t)))
2.1b
(fma (/ 1 (/ (- a t) (- z t))) (- y x) x)

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
195×add-sqr-sqrt *-un-lft-identity
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp associate-/l*
flip3-- div-inv flip--
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp clear-num frac-2neg 1-exp associate-/l/
div-sub fma-udef pow-flip inv-pow
Counts
3 → 214
Calls
3 calls:
29.0ms
(/ (- a t) (- z t))
34.0ms
(/ 1 (/ (- a t) (- z t)))
1.0ms
(fma (/ 1 (/ (- a t) (- z t))) (- y x) x)

series410.0ms

Counts
3 → 9
Calls
3 calls:
66.0ms
(/ (- a t) (- z t))
168.0ms
(/ 1 (/ (- a t) (- z t)))
176.0ms
(fma (/ 1 (/ (- a t) (- z t))) (- y x) x)

simplify1.8s

Counts
223 → 223
Iterations
IterNodes
done5002
23962
1714
0273

prune871.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.4b

localize48.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ a (- z t))
0.0b
(/ t (- z t))
0.2b
(/ 1 (- (/ a (- z t)) (/ t (- z t))))
2.1b
(fma (/ 1 (- (/ a (- z t)) (/ t (- z t)))) (- y x) x)

rewrite184.0ms

Algorithm
rewrite-expression-head
Rules
175×*-un-lft-identity
156×times-frac
135×add-sqr-sqrt
56×distribute-lft-out--
55×add-cube-cbrt
32×difference-of-squares
28×associate-/r*
24×associate-/r/
12×distribute-rgt-out-- add-exp-log
11×flip3-- div-inv flip--
10×add-cbrt-cube
associate-/l*
pow1
expm1-log1p-u div-exp log1p-expm1-u add-log-exp
cbrt-undiv clear-num frac-2neg
rec-exp 1-exp frac-sub fma-udef pow-flip inv-pow sub-div
Counts
4 → 185
Calls
4 calls:
12.0ms
(/ a (- z t))
9.0ms
(/ t (- z t))
153.0ms
(/ 1 (- (/ a (- z t)) (/ t (- z t))))
1.0ms
(fma (/ 1 (- (/ a (- z t)) (/ t (- z t)))) (- y x) x)

series388.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(/ a (- z t))
61.0ms
(/ t (- z t))
126.0ms
(/ 1 (- (/ a (- z t)) (/ t (- z t))))
162.0ms
(fma (/ 1 (- (/ a (- z t)) (/ t (- z t)))) (- y x) x)

simplify1.1s

Counts
197 → 197
Iterations
IterNodes
done5001
22549
1548
0275

prune1.2s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.4b

localize65.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt t)
0.6b
(cbrt t)
0.6b
(cbrt t)
2.8b
(fma (/ 1 (- (/ a (- z t)) (* (* (/ (cbrt t) (* (cbrt (- z t)) (cbrt (- z t)))) (cbrt t)) (/ (cbrt t) (cbrt (- z t)))))) (- y x) x)

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
pow1/3
fma-udef
Counts
4 → 49
Calls
4 calls:
1.0ms
(cbrt t)
1.0ms
(cbrt t)
1.0ms
(cbrt t)
1.0ms
(fma (/ 1 (- (/ a (- z t)) (* (* (/ (cbrt t) (* (cbrt (- z t)) (cbrt (- z t)))) (cbrt t)) (/ (cbrt t) (cbrt (- z t)))))) (- y x) x)

series958.0ms

Counts
4 → 12
Calls
4 calls:
248.0ms
(cbrt t)
234.0ms
(cbrt t)
277.0ms
(cbrt t)
199.0ms
(fma (/ 1 (- (/ a (- z t)) (* (* (/ (cbrt t) (* (cbrt (- z t)) (cbrt (- z t)))) (cbrt t)) (/ (cbrt t) (cbrt (- z t)))))) (- y x) x)

simplify735.0ms

Counts
61 → 61
Iterations
IterNodes
done5001
31373
2305
1110
058

prune528.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.4b

regimes891.0ms

Accuracy

25.8% (6.0b remaining)

Error of 9.6b against oracle of 3.6b and baseline of 11.7b

bsearch206.0ms

Steps
ItersRangePoint
10
4.5158289857264295e-178
4.753875386860788e-168
1.0211067349911059e-168
7
-1.857850302800927e-158
-1.3110312091667196e-160
-8.572794558051977e-160

simplify7.0ms

Iterations
IterNodes
done38
138
030

end0.0ms

sample1.5s

Algorithm
intervals
Results
730.0ms7915×body80valid
131.0ms450×body640valid
77.0ms274×body1280valid
76.0ms433×body320valid
64.0ms222×body160valid
6.0ms15×body2560valid