Busybox tree with Carbs Linux patches https://git.carbslinux.org/forks/busybox/atom?h=1_33_stable 2020-12-23T01:03:04+00:00 2020-12-23T01:03:04+00:00 Denys Vlasenko vda.linux@googlemail.com 2020-12-23T01:03:04+00:00 urn:sha1:6297d66eda43ca8439cb55a198b512346ce9459c Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2020-12-22T19:24:30+00:00 Denys Vlasenko vda.linux@googlemail.com 2020-12-22T19:08:40+00:00 urn:sha1:6452c300366cf0e322227ad39991ec2fdfd6beed If we have a square, the speedup can be extremely large (in best case example below, it's ~40000 times faster): $ time ./busybox_old factor 18446743988964486098 18446743988964486098: 2 3037000493 3037000493 real 0m4.246s $ time ./busybox factor 18446743988964486098 18446743988964486098: 2 3037000493 3037000493 real 0m0.000s function old new delta isqrt_odd - 57 +57 print_w - 36 +36 factorize 218 236 +18 print_h - 7 +7 factorize_numstr 65 72 +7 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 2/0 up/down: 125/0) Total: 125 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2020-12-21T06:45:08+00:00 Denys Vlasenko vda.linux@googlemail.com 2020-12-21T06:45:08+00:00 urn:sha1:901d2c3862e0aaf96fc38ab32bdf1aa3f7f509d2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2020-12-21T06:22:55+00:00 Denys Vlasenko vda.linux@googlemail.com 2020-12-21T06:22:26+00:00 urn:sha1:3e544d6ec778fd1f9c4e425e279660fa6f66c3ac function old new delta factor_main 176 171 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2020-12-20T20:37:29+00:00 Denys Vlasenko vda.linux@googlemail.com 2020-12-20T20:37:29+00:00 urn:sha1:f079f913711091c87557a4c7854385c408e4ab7c function old new delta packed_wheel - 192 +192 factor_main 108 176 +68 factorize 284 218 -66 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/1 up/down: 260/-66) Total: 194 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2020-12-18T03:12:51+00:00 Denys Vlasenko vda.linux@googlemail.com 2020-12-18T03:12:51+00:00 urn:sha1:a2f18d950a1a94e22fec78ee2d57f5cd3542551a function old new delta packed_usage 33570 33502 -68 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2020-12-14T19:27:57+00:00 Denys Vlasenko vda.linux@googlemail.com 2020-12-14T19:27:57+00:00 urn:sha1:2aaacc1453e98bd24341e7dc6edd8e7fdf84e576 Based on patch by Akash Hadke <hadkeakash4@gmail.com> function old new delta dd_read - 66 +66 clear_O_DIRECT - 55 +55 write_and_stats 102 135 +33 dd_main 1578 1601 +23 static.oflag_words 19 26 +7 static.iflag_words 22 29 +7 packed_usage 33665 33668 +3 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 5/0 up/down: 194/0) Total: 194 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2020-12-13T21:34:05+00:00 Denys Vlasenko vda.linux@googlemail.com 2020-12-13T21:34:05+00:00 urn:sha1:84d5eddb25930ee8a5ff96536ca6f707d793eb24 function old new delta packed_usage 33620 33665 +45 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2020-12-13T18:04:19+00:00 Denys Vlasenko vda.linux@googlemail.com 2020-12-13T18:04:19+00:00 urn:sha1:11f1a2553e49c9ff2235688a41875ff8751517ce function old new delta packed_usage 33547 33545 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2020-11-30T12:03:03+00:00 Denys Vlasenko vda.linux@googlemail.com 2020-11-30T12:03:03+00:00 urn:sha1:965b795b87c59ed45cc7f16a62301dbae65b1627 text data bss dec hex filename 1021988 559 5052 1027599 fae0f busybox_old 1021236 559 5052 1026847 fab1f busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>