Re: [rtcweb] Audio transcoding: CPU costs
Jean-Marc Valin <jmvalin@mozilla.com> Thu, 14 March 2013 05:32 UTC
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Date: Thu, 14 Mar 2013 01:32:23 -0400
From: Jean-Marc Valin <jmvalin@mozilla.com>
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To: Roman Shpount <roman@telurix.com>
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Audio transcoding: CPU costs
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/14/2013 01:03 AM, Roman Shpount wrote: > 1. Based on the message you are quoting, current performance is > 150 channels per core. It would require some non-trivial work to > get it to 500 channels. Yeah, it'd probably take 2-3 weeks to write some assembly. Also, keep in mind that these numbers were measured using a single core of a laptop that just turned three years old (http://ark.intel.com/products/43560/Intel-Core-i7-620M-Processor-4M-Cache-2_66-GHz). I would expect your servers to have slightly more powerful CPUs :-) Jean-Marc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJRQWDnAAoJEJ6/8sItn9q9/IAIAKxX5xG8ACKxhQrlMLjhD1eX uhITi8mVOiE3wGuBbdge4JzAs7IlmJ+Db7sp0w7INmv8G0GgmOT44c3wZgU7l6LF k5wKE6/UzCC+tFBtLVfuMJtvnswrjPEQvHkp9mM0U4sA1RBzIMv9NyCymt/zgQtG 3jlH9Tr9oD4n5Ug90UbRlF52cT5yfPL+nsDflCPhEcDvsnseckLQtO0N+kIBgabH 9MWh9sq3RFzwtE4iWq5vdzlhWnPd0qp7bAWa8flMA4DAfcgaYkXMh/N8ejo/zo0e SAkL6jlMm259Nnl3fTVtD0SdPKTPUckRNuggai/GfHsgCrAFz0ua8sePyiQXZgg= =yLLG -----END PGP SIGNATURE-----
- [rtcweb] Audio transcoding: CPU costs Harald Alvestrand
- Re: [rtcweb] Audio transcoding: CPU costs Roman Shpount
- Re: [rtcweb] Audio transcoding: CPU costs Jean-Marc Valin
- Re: [rtcweb] Audio transcoding: CPU costs Espen Berger (espeberg)
- Re: [rtcweb] Audio transcoding: CPU costs Harald Alvestrand