Re: Faster HashMap implementation

2009-06-23 Thread Doug Lea
Sorry for the delay; I've been side-tracked exploring concurrent trie/hash algorithms But I did want to point out a problem shared with all purely table-based approaches, including yours. Assuming power of 2 capacities, you can only hold up to 1 << 29 entries, because max power of 2 array length

Re: Review request for 5049299

2009-06-23 Thread Michael McMahon
Christos Zoulas wrote: On Jun 23, 3:33pm, a...@redhat.com (Andrew Haley) wrote: -- Subject: Re: Review request for 5049299 | I can debug this. | | Please try first syscall(SYS_clone ...) to bypass the libc gubbins. | That might be all you need. If that doesn't help I'll have a look. | | Isn

Re: Review request for 5049299

2009-06-23 Thread Christos Zoulas
On Jun 23, 3:33pm, a...@redhat.com (Andrew Haley) wrote: -- Subject: Re: Review request for 5049299 | I can debug this. | | Please try first syscall(SYS_clone ...) to bypass the libc gubbins. | That might be all you need. If that doesn't help I'll have a look. | | Isn't there some point at whi

Re: Review request for 5049299

2009-06-23 Thread Andrew Haley
Martin Buchholz wrote: > clone-exec update: > > I submitted the changes for this, but jtreg tests failed on 32-bit Linux > (I had only tested on 64-bit Linux) > > We disabled (but did not roll back) the use of clone to allow the > TL integration to proceed. > > (As I promised elsewhere...) > I j