“Method A can reduce the running time by at least a half over Method B”? [closed]

Question

Is this sentence correct?

Method A can reduce the running time by at least a half over Method B.

Welcome to English Language & Usage. Requests for proofreading are off topic per the FAQ. Plus we have no real idea from the question why you are asking it. Try to recast the question in terms of the specific problem you're having with the grammar or vocabulary.

RegDwighт · Answer 1 · 2013-02-11 11:03:37Z

up vote 0 down vote

I would use this:

Method A is at least twice as fast as Method B.

edited Feb 11 at 11:03

RegDwighт♦
45.2k12148240

answered Feb 11 at 9:52

cowls
1463

tchrist · Answer 2 · 2013-02-11 15:06:49Z

up vote 0 down vote

I would say:

Method A can reduce to least a half running time compared to Method B. sounds better to me.

edited Feb 11 at 15:06

tchrist
36.4k663138

answered Feb 11 at 7:34

speedyGonzales
1,538423

3

To me, this doesn't sound as good as the OP's version. – Mr Lister Feb 11 at 8:22

closed as off topic by MετάEd, aedia λ, Rory Alsop, Jon Hanna, RegDwighт♦ Feb 11 at 11:03