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Date: Mon, 15 May 2017 20:01:40 +0200
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Subject: Re: [PHP-DEV] HYBRID VM
From: lists@rhsoft.net ("lists@rhsoft.net")



Am 15.05.2017 um 16:43 schrieb Dmitry Stogov:
> Hi,
> 
> 
> Recently, I committed HYBRID VM into master, but didn't enable it by default yet.
> 
> It provides significant performance improvement on small benchmarks (1.5 times faster on bench.php) and slight improvement on real-life apps (1-2% on wordpress). Currently it improves PHP only on x86, x86_64 and PPC compiled with GCC.
> 
> Anyone may regenerate and test it.
> 
> 
> php zend_vm_gen.php --with-vm-kind=HYBRID
> 
> make

benchmarks for our inhouse CMS on my home-machine

* Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
* PGO-Build -mtune=sandybridge

for our application there is real difference, just look at the two 
different runs with the hybrid-vm - which is at least not bad at the end

"corecms" = a completly stripped own instance of our inhouse cms

"contentlounge" = a expensive "generic formmailer" and other modules on 
the page

the machine runs in a room with a high temperature and i faced larger 
differences even with the same build and nothing changed, maybe other 
applications will see more speed improvement, the codebase is highly 
optimized down to OPCODEs looking at xdebug-profiles and probably the 
most tiny codebase depending on the configured modules out there given a 
total LOC around 250000 lines in theory (but that includes also admin 
baclaneds for all sort of servers....)
_______________________________________________________________

/usr/bin/php Zend/zend_vm_gen.php --with-vm-kind=CALL

Server Hostname:        corecms
Concurrency Level:      50
Time taken for tests:   30.158 seconds
Complete requests:      100000
Failed requests:        0
Total transferred:      383563326 bytes
HTML transferred:       346464592 bytes
Requests per second:    3315.84 [#/sec] (mean)
Time per request:       15.079 [ms] (mean)
Time per request:       0.302 [ms] (mean, across all concurrent requests)
Transfer rate:          12420.25 [Kbytes/sec] received

Server Hostname:        contentlounge
Concurrency Level:      50
Time taken for tests:   109.291 seconds
Complete requests:      100000
Failed requests:        0
Total transferred:      4806868605 bytes
HTML transferred:       4758197006 bytes
Requests per second:    914.99 [#/sec] (mean)
Time per request:       54.645 [ms] (mean)
Time per request:       1.093 [ms] (mean, across all concurrent requests)
Transfer rate:          42951.58 [Kbytes/sec] received
_______________________________________________________________

/usr/bin/php Zend/zend_vm_gen.php --with-vm-kind=HYBRID

Server Hostname:        corecms
Concurrency Level:      50
Time taken for tests:   31.528 seconds
Complete requests:      100000
Failed requests:        0
Total transferred:      383561944 bytes
HTML transferred:       346463930 bytes
Requests per second:    3171.77 [#/sec] (mean)
Time per request:       15.764 [ms] (mean)
Time per request:       0.315 [ms] (mean, across all concurrent requests)
Transfer rate:          11880.57 [Kbytes/sec] received

Server Hostname:        corecms
Concurrency Level:      50
Time taken for tests:   31.248 seconds
Complete requests:      100000
Failed requests:        0
Total transferred:      383561400 bytes
HTML transferred:       346462104 bytes
Requests per second:    3200.20 [#/sec] (mean)
Time per request:       15.624 [ms] (mean)
Time per request:       0.312 [ms] (mean, across all concurrent requests)
Transfer rate:          11987.03 [Kbytes/sec] received

Server Hostname:        contentlounge
Concurrency Level:      50
Time taken for tests:   106.127 seconds
Complete requests:      100000
Failed requests:        0
Total transferred:      4806870511 bytes
HTML transferred:       4758196867 bytes
Requests per second:    942.27 [#/sec] (mean)
Time per request:       53.063 [ms] (mean)
Time per request:       1.061 [ms] (mean, across all concurrent requests)
Transfer rate:          44232.14 [Kbytes/sec] received

Server Hostname:        contentlounge
Concurrency Level:      50
Time taken for tests:   107.479 seconds
Complete requests:      100000
Failed requests:        0
Total transferred:      4806867967 bytes
HTML transferred:       4758194770 bytes
Requests per second:    930.41 [#/sec] (mean)
Time per request:       53.739 [ms] (mean)
Time per request:       1.075 [ms] (mean, across all concurrent requests)
Transfer rate:          43675.61 [Kbytes/sec] received
_______________________________________________________________

for rpmbuilders:

%prep
export LANG=C
%setup -q -n php-%{version}
%patch1 -p1 -b .realpath
%if "%{version}" >= "7.1.0"
%patch3 -p1 -b .systzdata-71
%else
%patch2 -p1 -b .systzdata-70
%endif

# rebuild 'data_file.c' from current system libmagic starting with PHP 
7.2 and when /usr/bin/php is installed
%if "%{version}" >= "7.2.0"
  if [ -f /usr/bin/php ]; then
   /usr/bin/php ext/fileinfo/create_data_file.php 
/usr/share/misc/magic.mgc > ext/fileinfo/data_file.c
  fi
%endif

# generate zend-vm when /usr/bin/php is installed
%if "%{version}" >= "7.2.0"
  if [ -f /usr/bin/php ]; then
   /usr/bin/php Zend/zend_vm_gen.php --with-vm-kind=HYBRID
  fi
%else
  if [ -f /usr/bin/php ]; then
   /usr/bin/php Zend/zend_vm_gen.php --with-vm-kind=CALL
  fi
%endif