Details

Time bar (total: 15.8s)

sample123.0ms

Algorithm
intervals
Results
59.0ms107×body1280valid
24.0ms79×body640valid
13.0ms282×body80valid
7.0ms36×body320valid
2.0ms19×body160valid

simplify19.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
078
1148
2248
3308
4348
done348

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 57.1b

localize7.0ms

Local error

Found 1 expressions with local error:

6.3b
(- (exp x) (exp (- x)))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
prod-diff
add-cube-cbrt
fma-neg add-log-exp
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
Counts
1 → 28
Calls
1 calls:
18.0ms
(- (exp x) (exp (- x)))

series89.0ms

Counts
1 → 3
Calls
1 calls:
89.0ms
(- (exp x) (exp (- x)))

simplify3.1s

Counts
31 → 31
Iterations

Useful iterations: done (3.1s)

IterNodesCost
073547
1158401
2370308
31377253
done5000244

prune113.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize32.0ms

Local error

Found 1 expressions with local error:

0.0b
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
1.0ms
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))

series81.0ms

Counts
1 → 3
Calls
1 calls:
81.0ms
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))

simplify970.0ms

Counts
13 → 13
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
026218
150212
2148186
3837186
done5001186

prune69.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))
0.0b
(pow (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) 3)
39.1b
(cbrt (pow (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) 3))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
unpow-prod-down cube-prod
pow1 add-exp-log add-cbrt-cube
expm1-log1p-u pow-unpow log1p-expm1-u add-log-exp
cube-mult unpow3 sqr-pow
pow-to-exp pow-pow pow1/3 pow-exp rem-cbrt-cube fma-udef rem-cube-cbrt
Counts
3 → 58
Calls
3 calls:
1.0ms
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))
5.0ms
(pow (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) 3)
4.0ms
(cbrt (pow (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) 3))

series315.0ms

Counts
3 → 9
Calls
3 calls:
86.0ms
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))
149.0ms
(pow (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) 3)
79.0ms
(cbrt (pow (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) 3))

simplify4.6s

Counts
67 → 67
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
0921506
11911292
25331134
342141126
done50001126

prune275.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp x) (exp (- x)))
0.0b
(/ (- (exp (+ x x)) (exp (* x -2))) (+ (exp x) (exp (- x))))
6.5b
(- (exp (+ x x)) (exp (* x -2)))

rewrite303.0ms

Algorithm
rewrite-expression-head
Rules
52×*-un-lft-identity
42×add-sqr-sqrt
24×add-cube-cbrt times-frac
12×prod-diff difference-of-squares
10×exp-sum
distribute-lft-out
add-log-exp
associate-/l* distribute-lft-out--
add-exp-log add-cbrt-cube
fma-neg associate-/r*
pow1 expm1-log1p-u fma-def log1p-expm1-u
flip3-- flip3-+ associate-/r/ flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg diff-log div-sub div-exp clear-num sum-log div-inv
Counts
3 → 103
Calls
3 calls:
13.0ms
(+ (exp x) (exp (- x)))
202.0ms
(/ (- (exp (+ x x)) (exp (* x -2))) (+ (exp x) (exp (- x))))
84.0ms
(- (exp (+ x x)) (exp (* x -2)))

series235.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(+ (exp x) (exp (- x)))
113.0ms
(/ (- (exp (+ x x)) (exp (* x -2))) (+ (exp x) (exp (- x))))
80.0ms
(- (exp (+ x x)) (exp (* x -2)))

simplify5.0s

Counts
112 → 112
Iterations

Useful iterations: 3 (2.3s)

IterNodesCost
01822456
14302177
211811962
349111844
done50001844

prune408.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes25.0ms

bsearch2.0ms