32bit performance

[ruslo]

64bit build:

1: Converting 14 long long with 10 base-10 digits (no sign) to buffer 300 bytes
1: sizeof(short, int, long, long long): 2 4 8 8
1: Run tests #1 #2 #3 #4 #5 Results: 
1:                       (!) fmt::FormatInt [avg:26419050 var:0.0692767% ms:26 runs:50 conv_ops:49999600]
1:             (+183%) boost::spirit::karma [avg:74907132 var:0.162081% ms:74 runs:50 conv_ops:49999600]

32bit build:

1: Converting 14 long long with 10 base-10 digits (no sign) to buffer 300 bytes
1: sizeof(short, int, long, long long): 2 4 4 8
1: Run tests #1 #2 #3 #4 #5 Results: 
1:                       (!) fmt::FormatInt [avg:115024795 var:0.554144% ms:115 runs:50 conv_ops:49999600]
1:              (+98%) boost::spirit::karma [avg:228828029 var:0.15578% ms:228 runs:50 conv_ops:49999600]

In some cases boost::karma works better:

1: Converting 25 int with 4 base-10 digits to buffer 300 bytes
1: sizeof(short, int, long, long long): 2 4 4 8
1: Run tests #1 #2 #3 #4 #5 Results: 
1:                    (+75%) fmt::FormatInt [avg:45775614 var:0.0263464% ms:45 runs:50 conv_ops:50000000]
1:                 (!) boost::spirit::karma [avg:26063573 var:1.59616% ms:26 runs:50 conv_ops:50000000]

It's probably because every type converting to uint64_t. May be template parameter is more appropriate?

32bit: https://s3.amazonaws.com/archive.travis-ci.org/jobs/19018932/log.txt
64bit: https://s3.amazonaws.com/archive.travis-ci.org/jobs/19018934/log.txt

[vitaut]

Fixed in 3017fc6 and e9b2191. Thanks for reporting!

[ruslo]

Updated: abandonware-pjz37/int-dec-format-tests@7f71c43