Removed old resource locking system

Cache behavior appears equivalent in the new version:


__OLD__

tests

Budget: 256 items 16777216 bytes
                Entry Count: current 13 high 13
                Unlocked Entry Count: current 12 high 12
                Entry Bytes: current 1794384 high 1794384
                Detached Entry Count: current 0 high 2
                Detached Bytes: current 0 high 524288

gm

config: gpu 42e730
Budget: 256 items 16777216 bytes
                Entry Count: current 12 high 163
                Unlocked Entry Count: current 12 high 162
                Entry Bytes: current 16750800 high 216988800
                Detached Entry Count: current 0 high 13
                Detached Bytes: current 0 high 14133056

__NEW__

tests

Budget: 256 items 16777216 bytes
                Entry Count: current 13 (1 locked) high 13
                Entry Bytes: current 1794384 high 1794384
                Detached Entry Count: current 0 high 2
                Detached Bytes: current 0 high 524288

gm

config: gpu 315738
Budget: 256 items 16777216 bytes
                Entry Count: current 8 (0 locked) high 163
                Entry Bytes: current 14968800 high 216988800
                Detached Entry Count: current 0 high 13
                Detached Bytes: current 0 high 14133056

[bsalomon, 2012-09-07 21:01:49]

On 2012/09/07 20:06:41, robertphillips wrote:

LGTM

[robertphillips, 2012-09-09 14:46:01]

committed as r5453