Tim, Is the response same size? Are Content-Encoding and Transfer-Encoding same in the responses? Do you think it's a regression relative to older curl?
On 29 June 2016 at 19:59, Tim Rühsen <[email protected]> wrote: > Hi, > > I recently made a few comparisons between curl 7.50.0-DEV and wget 1.18 and > was astonished about wget outperforming curl by some fair amount on single > HTTPS request/response cycles. > > So my question goes... what is 'wrong' with that version of curl. Or what did > I oversee - maybe some special options ? > > Some details from here: > Debian SID amd64, both wget and curl built/installed with GnuTLS > (3.4.13) > Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz > 2MBit/s DSL, ping to www.google.com is ~106ms > > Downloading a non-existent page at www.google.com (a.html) via HTTPS/HTTP1.1. > The figures from 'time' are the fastest I got in 10 tries. > > $ time curl -s -o/dev/null https://www.google.com/a.html > real 0m0.744s > user 0m0.092s > sys 0m0.016s > > $ time wget -q -o/dev/null --no-alpn https://www.google.com/a.html > real 0m0.507s > user 0m0.016s > sys 0m0.008s > > Looks like there is some (pretty huge ~ 240ms) startup penalty hidden > somewhere. Building with OpenSSL makes not much difference. > > BTW, the only possibility to disable HTTP2 was using --no-alpn. --no-http2 did > not switch if off. > > Regards, Tim > > > $ curl --version > curl 7.50.0-DEV (x86_64-pc-linux-gnu) libcurl/7.50.0-DEV GnuTLS/3.4.13 > zlib/1.2.8 libidn/1.32 libpsl/0.11.0 (+libicu/55.1) nghttp2/1.11.1 > Protocols: dict file ftp ftps gopher http https imap imaps pop3 pop3s rtsp smb > smbs smtp smtps telnet tftp > Features: IDN IPv6 Largefile NTLM NTLM_WB SSL libz TLS-SRP HTTP2 UnixSockets > PSL > > $ wget --version > GNU Wget 1.18 built on linux-gnu. > > -cares +digest -gpgme +https +ipv6 +iri +large-file -metalink +nls > +ntlm +opie +psl +ssl/gnutls > > ------------------------------------------------------------------- > List admin: https://cool.haxx.se/list/listinfo/curl-library > Etiquette: https://curl.haxx.se/mail/etiquette.html ------------------------------------------------------------------- List admin: https://cool.haxx.se/list/listinfo/curl-library Etiquette: https://curl.haxx.se/mail/etiquette.html
