Details

Time bar (total: 12.5s)

sample191.0ms

Algorithm
intervals
Results
68.0ms74×body2560valid
61.0ms120×body1280valid
10.0ms33×body640valid
7.0ms18×body1280overflowed
6.0ms316×pre80true
6.0msbody320overflowed
3.0ms10×body640overflowed
2.0msbody2560overflowed
2.0msbody320valid
1.0ms16×body80valid
1.0ms16×body80overflowed
1.0msbody160valid
1.0msbody160overflowed

simplify896.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01724
14024
210124
324024
466324
5300824
done500024

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 60.0b

Counts
2 → 1

localize25.0ms

Local error

Found 4 expressions with local error:

1.0b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
1.8b
(- (exp (* a eps)) 1.0)
2.5b
(- (exp (* b eps)) 1.0)
2.7b
(- (exp (* (+ a b) eps)) 1.0)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×*-un-lft-identity
10×add-log-exp
flip3-- flip--
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg associate-*r* associate-*l* distribute-lft-out-- difference-of-squares
frac-times
diff-log
distribute-rgt-in distribute-lft-in associate-*r/ associate-*l/
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 76
Calls
4 calls:
11.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
4.0ms
(- (exp (* a eps)) 1.0)
4.0ms
(- (exp (* b eps)) 1.0)
5.0ms
(- (exp (* (+ a b) eps)) 1.0)

series45.0ms

Counts
4 → 12
Calls
4 calls:
14.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
8.0ms
(- (exp (* a eps)) 1.0)
8.0ms
(- (exp (* b eps)) 1.0)
16.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify401.0ms

Counts
88 → 88
Iterations

Useful iterations: done (399.0ms)

IterNodesCost
01431364
13501327
213741197
done50001190

prune134.0ms

Filtered
63 candidates to 88 candidates (-39.7%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New85388
Fresh000
Picked101
Done000
Total86389

Merged error: 47.0b

Counts
89 → 3

localize27.0ms

Local error

Found 4 expressions with local error:

2.7b
(- (exp (* (+ a b) eps)) 1.0)
2.7b
(* (- (exp (* a eps)) 1.0) (+ (* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) (* b eps)))
4.2b
(* (* 1/6 (pow eps 3)) b)
11.6b
(* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2))))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
21×add-exp-log
16×add-cbrt-cube
15×add-sqr-sqrt
13×pow1
12×*-un-lft-identity
11×prod-exp
associate-*r*
add-cube-cbrt
associate-*l* cbrt-unprod
add-log-exp
pow-prod-down
frac-times flip3-- flip3-+ associate-*r/ flip-- flip-+
*-commutative
distribute-rgt-in distribute-lft-in associate-*l/ distribute-lft-out-- difference-of-squares unswap-sqr
pow-to-exp sub-neg diff-log pow-exp
Counts
4 → 86
Calls
4 calls:
5.0ms
(- (exp (* (+ a b) eps)) 1.0)
18.0ms
(* (- (exp (* a eps)) 1.0) (+ (* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) (* b eps)))
7.0ms
(* (* 1/6 (pow eps 3)) b)
15.0ms
(* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2))))

series106.0ms

Counts
4 → 12
Calls
4 calls:
15.0ms
(- (exp (* (+ a b) eps)) 1.0)
63.0ms
(* (- (exp (* a eps)) 1.0) (+ (* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) (* b eps)))
5.0ms
(* (* 1/6 (pow eps 3)) b)
23.0ms
(* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2))))

simplify979.0ms

Counts
98 → 98
Iterations

Useful iterations: done (975.0ms)

IterNodesCost
02172550
16842437
235532116
done50002109

prune270.0ms

Filtered
68 candidates to 98 candidates (-44.1%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New93598
Fresh022
Picked101
Done000
Total947101

Merged error: 46.8b

Counts
101 → 7

localize38.0ms

Local error

Found 4 expressions with local error:

11.6b
(* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2))))
20.1b
(cbrt (* b (+ (* b (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) eps)))
20.1b
(cbrt (* b (+ (* b (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) eps)))
20.1b
(cbrt (+ (* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) (* b eps)))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt cbrt-div *-un-lft-identity associate-*r/
cbrt-prod
flip3-+ flip-+ add-log-exp
pow1/3 associate-*r* pow-prod-down prod-exp cbrt-unprod
distribute-rgt-in distribute-lft-in associate-*l* *-commutative unswap-sqr
Counts
4 → 58
Calls
4 calls:
12.0ms
(* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2))))
14.0ms
(cbrt (* b (+ (* b (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) eps)))
12.0ms
(cbrt (* b (+ (* b (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) eps)))
11.0ms
(cbrt (+ (* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) (* b eps)))

series223.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2))))
67.0ms
(cbrt (* b (+ (* b (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) eps)))
70.0ms
(cbrt (* b (+ (* b (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) eps)))
63.0ms
(cbrt (+ (* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) (* b eps)))

simplify608.0ms

Counts
70 → 70
Iterations

Useful iterations: 2 (148.0ms)

IterNodesCost
01622445
14672326
219242051
done50012051

prune450.0ms

Filtered
61 candidates to 70 candidates (-14.8%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New70070
Fresh066
Picked011
Done000
Total70777

Merged error: 46.8b

Counts
77 → 7

localize29.0ms

Local error

Found 4 expressions with local error:

2.7b
(- (exp (* (+ a b) eps)) 1.0)
2.7b
(* (- (exp (* a eps)) 1.0) (+ (* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) (* b eps)))
4.2b
(* (* 1/6 (pow eps 3)) b)
11.6b
(* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2))))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
21×add-exp-log
16×add-cbrt-cube
15×add-sqr-sqrt
13×pow1
12×*-un-lft-identity
11×prod-exp
associate-*r*
add-cube-cbrt
associate-*l* cbrt-unprod
add-log-exp
pow-prod-down
frac-times flip3-- flip3-+ associate-*r/ flip-- flip-+
*-commutative
distribute-rgt-in distribute-lft-in associate-*l/ distribute-lft-out-- difference-of-squares unswap-sqr
pow-to-exp sub-neg diff-log pow-exp
Counts
4 → 86
Calls
4 calls:
5.0ms
(- (exp (* (+ a b) eps)) 1.0)
21.0ms
(* (- (exp (* a eps)) 1.0) (+ (* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) (* b eps)))
7.0ms
(* (* 1/6 (pow eps 3)) b)
12.0ms
(* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2))))

series107.0ms

Counts
4 → 12
Calls
4 calls:
15.0ms
(- (exp (* (+ a b) eps)) 1.0)
64.0ms
(* (- (exp (* a eps)) 1.0) (+ (* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2)))) (* b eps)))
5.0ms
(* (* 1/6 (pow eps 3)) b)
23.0ms
(* (* b b) (+ (* (* 1/6 (pow eps 3)) b) (* 1/2 (pow eps 2))))

simplify986.0ms

Counts
98 → 98
Iterations

Useful iterations: done (982.0ms)

IterNodesCost
02172550
16842437
235532116
done50002109

prune257.0ms

Filtered
68 candidates to 98 candidates (-44.1%)
Pruning

8 alts after pruning (6 fresh and 2 done)

PrunedKeptTotal
New97198
Fresh055
Picked011
Done011
Total978105

Merged error: 46.8b

Counts
105 → 8

regimes511.0ms

Accuracy

52.4% (4.0b remaining)

Error of 52.4b against oracle of 48.4b and baseline of 56.8b

bsearch142.0ms

Steps
ItersRangePoint
9
0.009971872296741319
14848.343200454
0.11914520210130385
5
-1.5116149063123207e+67
-5.390869519443976e+66
-8.689142308994358e+66

simplify6.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
059171
184171
done84171

end0.0ms

sample5.9s

Algorithm
intervals
Results
2.3s2563×body2560valid
1.8s3421×body1280valid
353.0ms1070×body640valid
303.0ms729×body1280overflowed
203.0ms10079×pre80true
107.0ms368×body640overflowed
95.0ms159×body2560overflowed
77.0ms332×body320valid
39.0ms549×body80overflowed
38.0ms185×body320overflowed
35.0ms480×body80valid
20.0ms137×body160valid
12.0ms86×body160overflowed

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