Without patch:

<code>
Document Path:          /node
Document Length:        17604 bytes

Concurrency Level:      1
Time taken for tests:   136.458069 seconds
Complete requests:      500
Failed requests:        0
Write errors:           0
Total transferred:      9095000 bytes
HTML transferred:       8802000 bytes
Requests per second:    3.66 [#/sec] (mean)
Time per request:       272.916 [ms] (mean)
Time per request:       272.916 [ms] (mean, across all concurrent requests)
Transfer rate:          65.08 [Kbytes/sec] received
</code>

With patch:
<code>
Document Path:          /node
Document Length:        17604 bytes

Concurrency Level:      1
Time taken for tests:   126.900850 seconds
Complete requests:      500
Failed requests:        0
Write errors:           0
Total transferred:      9095000 bytes
HTML transferred:       8802000 bytes
Requests per second:    3.94 [#/sec] (mean)
Time per request:       253.802 [ms] (mean)
Time per request:       253.802 [ms] (mean, across all concurrent requests)
Transfer rate:          69.98 [Kbytes/sec] received
</code>

About 10% improvement.


Same benchmark on node/1

Without patch:
Document Path:          /node/1
Document Length:        6222 bytes

Concurrency Level:      1
Time taken for tests:   111.383869 seconds
Complete requests:      500
Failed requests:        0
Write errors:           0
Total transferred:      3415000 bytes
HTML transferred:       3111000 bytes
Requests per second:    4.49 [#/sec] (mean)
Time per request:       222.768 [ms] (mean)
Time per request:       222.768 [ms] (mean, across all concurrent requests)
Transfer rate:          29.93 [Kbytes/sec] received

With patch:


Document Path:          /node/1
Document Length:        6222 bytes

Concurrency Level:      1
Time taken for tests:   112.908576 seconds
Complete requests:      500
Failed requests:        0
Write errors:           0
Total transferred:      3415000 bytes
HTML transferred:       3111000 bytes
Requests per second:    4.43 [#/sec] (mean)
Time per request:       225.817 [ms] (mean)
Time per request:       225.817 [ms] (mean, across all concurrent requests)
Transfer rate:          29.53 [Kbytes/sec] received


taxonomy/term/1

Without patch:
Document Path:          /taxonomy/term/1
Document Length:        4620 bytes

Concurrency Level:      1
Time taken for tests:   139.810312 seconds
Complete requests:      500
Failed requests:        0
Write errors:           0
Total transferred:      2614000 bytes
HTML transferred:       2310000 bytes
Requests per second:    3.58 [#/sec] (mean)
Time per request:       279.621 [ms] (mean)
Time per request:       279.621 [ms] (mean, across all concurrent requests)
Transfer rate:          18.25 [Kbytes/sec] received


With patch:

Document Path:          /taxonomy/term/1
Document Length:        4620 bytes

Concurrency Level:      1
Time taken for tests:   129.965248 seconds
Complete requests:      500
Failed requests:        0
Write errors:           0
Total transferred:      2614000 bytes
HTML transferred:       2310000 bytes
Requests per second:    3.85 [#/sec] (mean)
Time per request:       259.930 [ms] (mean)
Time per request:       259.930 [ms] (mean, across all concurrent requests)
Transfer rate:          19.64 [Kbytes/sec] received



Devel says this:
/node
Without patch:
82 queries in 60-127.18 milliseconds (varies on each page refresh)
node_load - 0.47
taxonomy_node_get_terms 0.64
comment_nodeapi_load 0.27
(each of these run ten times of course)


With patch:
/node
Executed 55-80 queries in Executed 61 queries in 58.68 milliseconds. 
node_multiple_load() - 0.77 milliseconds
comment_nodeapi_load() - 0.33 milliseconds
taxonomy_get_tids_from_nodes 0.69 milliseconds
taxonomy_term_multiple_load 0.69 milliseconds
(each of these run once).