Messages in this thread | | | Subject | Re: [ANNOUNCE] BLD-3.17 release. | From | Mike Galbraith <> | Date | Mon, 13 Oct 2014 10:01:39 +0200 |
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On Sat, 2014-10-11 at 12:20 +0600, Rakib Mullick wrote: > BLD (The Barbershop Load Distribution Algorithm) patch for Linux 3.17
I had a curiosity attack, played with it a little.
My little Q6600 box could be describes as being "micro-numa", with two pathetic little "nodes" connected by the worst interconnect this side of tin cans and string. Communicating tasks sorely missed sharing cache.
tbench 3.18.0-master Throughput 287.411 MB/sec 1 clients 1 procs max_latency=1.614 ms 1.000 Throughput 568.631 MB/sec 2 clients 2 procs max_latency=1.942 ms 1.000 Throughput 1069.75 MB/sec 4 clients 4 procs max_latency=18.494 ms 1.000 Throughput 1040.99 MB/sec 8 clients 8 procs max_latency=17.364 ms 1.000
3.18.0-master-BLD vs master Throughput 261.986 MB/sec 1 clients 1 procs max_latency=11.943 ms .911 Throughput 264.461 MB/sec 2 clients 2 procs max_latency=11.884 ms .465 Throughput 476.191 MB/sec 4 clients 4 procs max_latency=11.497 ms .445 Throughput 558.236 MB/sec 8 clients 8 procs max_latency=9.008 ms .536
TCP_RR 4 unbound clients 3.18.0-master TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 127.0.0.1 (127.0.0.1) port 0 AF_INET Local /Remote Socket Size Request Resp. Elapsed Trans. Send Recv Size Size Time Rate bytes Bytes bytes bytes secs. per sec
16384 87380 1 1 30.00 72436.65 16384 87380 1 1 30.00 72438.55 16384 87380 1 1 30.00 72213.18 16384 87380 1 1 30.00 72493.48 sum 289581.86 1.000
3.18.0-master-BLD TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 127.0.0.1 (127.0.0.1) port 0 AF_INET Local /Remote Socket Size Request Resp. Elapsed Trans. Send Recv Size Size Time Rate bytes Bytes bytes bytes secs. per sec
16384 87380 1 1 30.00 29014.09 16384 87380 1 1 30.00 28804.53 16384 87380 1 1 30.00 28999.40 16384 87380 1 1 30.00 28901.84 sum 115719.86 .399 vs master
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