Details

Time bar (total: 12.5s)

sample328.0ms

Algorithm
intervals
Results
40.0ms213×body10240exit
12.0ms389×body80nan
7.0ms233×body80valid
2.0ms25×body160valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
01012
11912
22812
34112
47612
517512
647712
7168412
done500112

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.5b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
0.0b
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
5.7b
(- (exp (* 2.0 x)) 1.0)
5.8b
(- (exp x) 1.0)

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
92×add-sqr-sqrt
89×*-un-lft-identity
51×times-frac
41×add-cube-cbrt
31×sqrt-prod
24×distribute-lft-out-- difference-of-squares
18×prod-diff
add-log-exp
add-exp-log fma-neg add-cbrt-cube
pow1 flip3-- associate-/r* flip-- associate-/l*
expm1-log1p-u associate-/r/ log1p-expm1-u
sub-neg rem-sqrt-square diff-log div-inv associate-/l/
cbrt-undiv frac-2neg sqrt-pow1 pow1/2 sqrt-div div-sub div-exp clear-num
Counts
4 → 155
Calls
4 calls:
14.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
16.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
5.0ms
(- (exp (* 2.0 x)) 1.0)
8.0ms
(- (exp x) 1.0)

series199.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(sqrt (/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0)))
55.0ms
(/ (- (exp (* 2.0 x)) 1.0) (- (exp x) 1.0))
30.0ms
(- (exp (* 2.0 x)) 1.0)
23.0ms
(- (exp x) 1.0)

simplify524.0ms

Counts
167 → 167
Iterations

Useful iterations: 2 (165.0ms)

IterNodesCost
02322954
14752688
213212453
done50002453

prune390.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ (exp x) 1.0))
0.0b
(+ (exp x) 1.0)
5.7b
(- (exp (* 2.0 x)) 1.0)
5.7b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
21×add-sqr-sqrt *-un-lft-identity
15×add-cube-cbrt
13×prod-diff
10×add-log-exp
fma-neg
pow1
add-exp-log expm1-log1p-u sqrt-prod add-cbrt-cube log1p-expm1-u
fma-def exp-sum difference-of-squares
sub-neg flip3-- flip3-+ sqrt-div diff-log flip-- flip-+ distribute-lft-out
+-commutative rem-sqrt-square sqrt-pow1 pow1/2 sum-log hypot-def distribute-lft-out--
Counts
4 → 88
Calls
4 calls:
6.0ms
(sqrt (+ (exp x) 1.0))
4.0ms
(+ (exp x) 1.0)
5.0ms
(- (exp (* 2.0 x)) 1.0)
35.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series88.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(sqrt (+ (exp x) 1.0))
13.0ms
(+ (exp x) 1.0)
25.0ms
(- (exp (* 2.0 x)) 1.0)
20.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify790.0ms

Counts
100 → 100
Iterations

Useful iterations: done (787.0ms)

IterNodesCost
01661120
1360992
21086845
done5000763

prune323.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) 1.0)
0.3b
(log1p (- (exp (* 2.0 x)) 1.0))
5.7b
(- (exp (* 2.0 x)) 1.0)
5.7b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
17×add-sqr-sqrt
14×add-cube-cbrt
13×prod-diff
10×add-log-exp
fma-neg
expm1-log1p-u
pow1 add-exp-log add-cbrt-cube log1p-expm1-u
fma-def exp-sum difference-of-squares
sub-neg flip3-- diff-log flip--
+-commutative log1p-udef flip3-+ log1p-expm1 sum-log flip-+ distribute-lft-out distribute-lft-out--
Counts
4 → 80
Calls
4 calls:
4.0ms
(+ (exp x) 1.0)
0.0ms
(log1p (- (exp (* 2.0 x)) 1.0))
5.0ms
(- (exp (* 2.0 x)) 1.0)
34.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series472.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(+ (exp x) 1.0)
420.0ms
(log1p (- (exp (* 2.0 x)) 1.0))
24.0ms
(- (exp (* 2.0 x)) 1.0)
20.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify2.5s

Counts
92 → 92
Iterations

Useful iterations: 3 (737.0ms)

IterNodesCost
01461036
1319928
2921773
34697695
done5000695

prune327.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(log1p (+ (exp x) 1.0))
0.3b
(log1p (- (exp (* 2.0 x)) 1.0))
5.7b
(- (exp (* 2.0 x)) 1.0)
5.7b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
15×*-un-lft-identity
13×add-cube-cbrt prod-diff
add-log-exp
fma-neg
expm1-log1p-u
pow1 add-exp-log add-cbrt-cube log1p-expm1-u
exp-sum difference-of-squares
sub-neg log1p-udef flip3-- diff-log log1p-expm1 flip--
distribute-lft-out--
Counts
4 → 74
Calls
4 calls:
0.0ms
(log1p (+ (exp x) 1.0))
0.0ms
(log1p (- (exp (* 2.0 x)) 1.0))
5.0ms
(- (exp (* 2.0 x)) 1.0)
31.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series529.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(log1p (+ (exp x) 1.0))
415.0ms
(log1p (- (exp (* 2.0 x)) 1.0))
24.0ms
(- (exp (* 2.0 x)) 1.0)
22.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify2.0s

Counts
86 → 86
Iterations

Useful iterations: 3 (570.0ms)

IterNodesCost
01501024
1310918
2878762
34220683
done5001683

prune343.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

regimes25.0ms

Accuracy

74.4% (0.7b remaining)

Error of 0.9b against oracle of 0.1b and baseline of 3.0b

bsearch44.0ms

Steps
ItersRangePoint
8
-0.0008391074150366579
-8.849834202292668e-07
-1.3181801234810229e-05

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02940
13240
done3240

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.3s6739×body10240exit
374.0ms12781×body80nan
233.0ms7403×body80valid
59.0ms711×body160valid