On Tue, Aug 25, 2009 at 2:57 AM, Steve Loughran ste...@apache.org wrote:
On petascale-level computers, the application codes' CPU instructions are
about 10% floating point (that is, in scientific applications, there are
less floating point instructions than in most floating point benchmarks).
On Tue, Aug 25, 2009 at 11:59 AM, Ted Dunningted.dunn...@gmail.com wrote:
On Tue, Aug 25, 2009 at 2:57 AM, Steve Loughran ste...@apache.org wrote:
On petascale-level computers, the application codes' CPU instructions are
about 10% floating point (that is, in scientific applications, there are
Raghu Angadi wrote:
Suresh had made an spreadsheet for memory consumption.. will check.
A large portion of NN memory is taken by references. I would expect
memory savings to be very substantial (same as going from 64bit to
32bit), could be on the order of 40%.
The last I heard from Sun was
On Aug 24, 2009, at 5:42 AM, Steve Loughran wrote:
Raghu Angadi wrote:
Suresh had made an spreadsheet for memory consumption.. will check.
A large portion of NN memory is taken by references. I would expect
memory savings to be very substantial (same as going from 64bit to
32bit), could
Suresh had made an spreadsheet for memory consumption.. will check.
A large portion of NN memory is taken by references. I would expect
memory savings to be very substantial (same as going from 64bit to
32bit), could be on the order of 40%.
The last I heard from Sun was that compressed
Compressed OOPs are available now in 1.6.0u14:
https://jdk6.dev.java.net/6uNea.html
- Aaron
On Thu, Aug 20, 2009 at 10:51 AM, Raghu Angadi rang...@yahoo-inc.comwrote:
Suresh had made an spreadsheet for memory consumption.. will check.
A large portion of NN memory is taken by references. I
On 8/20/09 3:40 AM, Steve Loughran ste...@apache.org wrote:
does anyone have any up to date data on the memory consumption per
block/file on the NN on a 64-bit JVM with compressed pointers?
The best documentation on consumption is
http://issues.apache.org/jira/browse/HADOOP-1687 -I'm