Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Back to listMar 20, 2026 07:55

Dominique GarmierScore: 4,481Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 20, 2026 10:37	4,442	29,627,480	12,185,000	2,030,000	2,404,352
2	Mar 20, 2026 10:25	4,446	30,850,700	12,194,000	2,032,000	2,404,352
3	Mar 20, 2026 09:59	4,451	31,931,235	12,208,000	2,034,000	2,273,280
4	Mar 20, 2026 09:13	4,455	31,300,530	12,221,000	2,036,000	2,400,256
5	Mar 20, 2026 09:17	4,456	29,771,777	12,222,000	2,037,000	2,392,064
6	Mar 20, 2026 10:10	4,458	40,697,710	12,228,000	2,038,000	2,273,280
7	Mar 20, 2026 09:03	4,463	30,515,899	12,242,000	2,040,000	2,400,256
8	Mar 20, 2026 09:07	4,463	35,383,211	12,241,000	2,040,000	2,392,064
9	Mar 20, 2026 09:59	4,463	28,092,723	13,261,000	1,020,000	2,273,280
10	Mar 20, 2026 08:21	4,463	35,219,170	13,263,000	1,020,000	2,400,256
11	Mar 20, 2026 08:49	4,465	31,099,760	13,269,000	1,020,000	2,396,160
12	Mar 20, 2026 10:25	4,466	40,934,268	12,251,000	2,041,000	2,383,872
13	Mar 20, 2026 10:40	4,466	38,223,399	12,249,000	2,041,000	2,273,280
14	Mar 20, 2026 10:37	4,467	35,604,318	12,252,000	2,042,000	2,273,280
15	Mar 20, 2026 08:05	4,468	39,642,347	13,276,000	1,021,000	2,273,280
16	Mar 20, 2026 10:25	4,468	32,666,900	12,255,000	2,042,000	2,400,256
17	Mar 20, 2026 08:55	4,468	30,299,173	13,277,000	1,021,000	2,273,280
18	Mar 20, 2026 07:54	4,468	31,087,692	14,299,000	0	2,273,280
19	Mar 20, 2026 09:53	4,468	38,691,381	12,256,000	2,042,000	2,400,256
20	Mar 20, 2026 10:25	4,470	30,846,292	13,283,000	1,021,000	2,273,280
21	Mar 20, 2026 08:12	4,470	39,911,322	13,283,000	1,021,000	2,273,280
22	Mar 20, 2026 10:20	4,470	33,931,183	12,261,000	2,043,000	2,273,280
23	Mar 20, 2026 10:40	4,472	31,850,017	14,311,000	0	2,514,944
24	Mar 20, 2026 03:05	4,472	32,600,449	14,311,000	0	2,400,256
25	Mar 20, 2026 02:55	4,474	34,678,892	14,318,000	0	2,273,280
26	Mar 20, 2026 08:30	4,475	38,661,054	14,319,000	0	2,404,352
27	Mar 20, 2026 09:39	4,475	35,417,809	14,319,000	0	2,392,064
28	Mar 20, 2026 03:05	4,475	31,545,097	14,319,000	0	2,387,968
29	Mar 20, 2026 07:54	4,476	33,116,970	13,299,000	1,023,000	2,400,256
30	Mar 20, 2026 09:03	4,476	30,480,472	13,299,000	1,023,000	2,400,256
31	Mar 20, 2026 09:39	4,477	30,309,454	13,302,000	1,023,000	2,273,280
32	Mar 20, 2026 10:37	4,477	41,167,319	13,304,000	1,023,000	2,396,160
33	Mar 20, 2026 02:55	4,477	42,330,408	13,303,000	1,023,000	2,404,352
34	Mar 20, 2026 08:05	4,478	36,916,256	14,329,000	0	2,273,280
35	Mar 20, 2026 08:12	4,479	29,326,459	14,333,000	0	2,519,040
36	Mar 20, 2026 09:53	4,479	47,873,554	13,309,000	1,023,000	2,404,352
37	Mar 20, 2026 10:25	4,480	35,314,457	14,337,000	0	2,273,280
38	Mar 20, 2026 08:12	4,480	31,771,231	13,312,000	1,024,000	2,396,160
39	Mar 20, 2026 10:10	4,480	34,874,466	14,335,000	0	2,273,280
40	Mar 20, 2026 08:49	4,481	29,945,154	13,316,000	1,024,000	2,273,280
41	Mar 20, 2026 08:49	4,482	37,227,596	14,342,000	0	2,396,160
42	Mar 20, 2026 07:55	4,483	32,650,138	13,320,000	1,024,000	2,273,280
43	Mar 20, 2026 09:13	4,484	34,273,422	13,324,000	1,024,000	2,273,280
44	Mar 20, 2026 10:40	4,485	31,118,411	14,351,000	0	2,273,280
45	Mar 20, 2026 03:05	4,485	34,295,470	13,328,000	1,025,000	2,396,160
46	Mar 20, 2026 08:05	4,485	36,483,293	13,326,000	1,025,000	2,273,280
47	Mar 20, 2026 09:53	4,485	36,166,690	13,327,000	1,025,000	2,273,280
48	Mar 20, 2026 09:07	4,485	36,643,381	14,352,000	0	2,273,280
49	Mar 20, 2026 09:13	4,485	35,423,121	12,302,000	2,050,000	2,273,280
50	Mar 20, 2026 08:38	4,486	31,125,450	14,355,000	0	2,273,280
51	Mar 20, 2026 09:59	4,486	35,525,060	13,330,000	1,025,000	2,273,280
52	Mar 20, 2026 08:21	4,486	31,240,294	13,331,000	1,025,000	2,387,968
53	Mar 20, 2026 07:54	4,489	31,008,446	14,364,000	0	2,273,280
54	Mar 20, 2026 09:39	4,490	30,491,879	14,368,000	0	2,514,944
55	Mar 20, 2026 02:55	4,490	43,687,771	13,341,000	1,026,000	2,273,280
56	Mar 20, 2026 08:38	4,491	29,136,347	14,371,000	0	2,273,280
57	Mar 20, 2026 08:21	4,491	31,557,692	13,344,000	1,026,000	2,400,256
58	Mar 20, 2026 10:16	4,491	37,649,702	13,346,000	1,026,000	2,400,256
59	Mar 20, 2026 08:55	4,492	35,478,901	13,348,000	1,026,000	2,400,256
60	Mar 20, 2026 09:07	4,492	31,533,699	13,349,000	1,026,000	2,514,944
61	Mar 20, 2026 10:16	4,493	33,970,853	14,377,000	0	2,396,160
62	Mar 20, 2026 10:16	4,494	33,276,748	13,353,000	1,027,000	2,273,280
63	Mar 20, 2026 10:10	4,494	28,927,209	14,382,000	0	2,514,944
64	Mar 20, 2026 09:17	4,495	30,201,484	13,358,000	1,027,000	2,404,352
65	Mar 20, 2026 09:17	4,496	31,247,399	13,361,000	1,027,000	2,273,280
66	Mar 20, 2026 10:20	4,497	45,291,614	14,389,000	0	2,392,064
67	Mar 20, 2026 08:30	4,497	31,174,106	13,363,000	1,027,000	2,273,280
68	Mar 20, 2026 07:55	4,498	35,743,945	13,367,000	1,028,000	2,396,160
69	Mar 20, 2026 08:55	4,502	34,029,636	14,405,000	0	2,273,280
70	Mar 20, 2026 10:25	4,502	31,062,418	13,377,000	1,029,000	2,519,040
71	Mar 20, 2026 09:03	4,502	42,129,973	14,407,000	0	2,273,280
72	Mar 20, 2026 08:30	4,503	30,066,649	14,410,000	0	2,383,872
73	Mar 20, 2026 08:38	4,512	31,456,201	13,408,000	1,031,000	2,273,280
74	Mar 20, 2026 10:20	4,514	35,679,097	14,444,000	0	2,273,280
75	Mar 20, 2026 10:25	4,515	34,506,067	13,417,000	1,032,000	2,273,280
76	Mar 20, 2026 10:25	4,516	48,991,518	14,452,000	0	2,408,448
77	Mar 20, 2026 10:25	4,517	34,148,120	13,421,000	1,032,000	2,400,256
78	Mar 20, 2026 07:55	4,527	32,367,605	13,452,000	1,034,000	2,273,280

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1