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 listMay 29, 2021 21:57

Yuriy Lyfenko

Score: 5,058

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 29, 2021 21:56	5,009	38,936,419	14,027,000	2,003,000	2,281,472
2	May 29, 2021 21:56	5,013	39,993,974	16,043,000	0	2,404,352
3	May 29, 2021 21:56	5,018	36,202,639	15,055,000	1,003,000	2,519,040
4	May 29, 2021 21:56	5,018	32,933,917	15,053,000	1,003,000	2,408,448
5	May 29, 2021 21:56	5,018	39,194,638	15,055,000	1,003,000	2,412,544
6	May 29, 2021 21:56	5,019	41,940,892	14,055,000	2,007,000	2,281,472
7	May 29, 2021 21:56	5,019	31,582,868	14,055,000	2,007,000	2,281,472
8	May 29, 2021 21:56	5,019	41,705,026	15,059,000	1,003,000	2,281,472
9	May 29, 2021 21:56	5,020	36,576,251	16,065,000	0	2,273,280
10	May 29, 2021 21:56	5,021	33,474,617	14,059,000	2,008,000	2,527,232
11	May 29, 2021 21:56	5,024	38,965,688	14,069,000	2,009,000	2,281,472
12	May 29, 2021 21:56	5,026	33,710,497	15,078,000	1,005,000	2,408,448
13	May 29, 2021 21:56	5,027	35,952,176	15,082,000	1,005,000	2,404,352
14	May 29, 2021 21:56	5,029	37,668,921	14,081,000	2,011,000	2,281,472
15	May 29, 2021 21:56	5,030	35,588,142	15,091,000	1,006,000	2,400,256
16	May 29, 2021 21:56	5,030	31,886,300	15,090,000	1,006,000	2,281,472
17	May 29, 2021 21:56	5,031	30,910,139	15,093,000	1,006,000	2,281,472
18	May 29, 2021 21:56	5,031	37,626,864	14,088,000	2,012,000	2,404,352
19	May 29, 2021 21:56	5,033	39,036,591	15,100,000	1,006,000	2,281,472
20	May 29, 2021 21:56	5,034	44,804,709	15,103,000	1,006,000	2,281,472
21	May 29, 2021 21:56	5,034	37,072,145	15,102,000	1,006,000	2,281,472
22	May 29, 2021 21:56	5,036	31,626,556	14,101,000	2,014,000	2,281,472
23	May 29, 2021 21:56	5,039	36,754,701	14,111,000	2,015,000	2,281,472
24	May 29, 2021 21:56	5,044	36,538,115	14,124,000	2,017,000	2,281,472
25	May 29, 2021 21:57	5,046	37,636,076	15,139,000	1,009,000	2,281,472
26	May 29, 2021 21:57	5,047	43,796,076	14,131,000	2,018,000	2,404,352
27	May 29, 2021 21:56	5,048	42,771,822	15,145,000	1,009,000	2,404,352
28	May 29, 2021 21:57	5,048	35,086,282	14,136,000	2,019,000	2,281,472
29	May 29, 2021 21:56	5,048	37,416,437	14,134,000	2,019,000	2,400,256
30	May 29, 2021 21:57	5,048	36,749,377	14,134,000	2,019,000	2,400,256
31	May 29, 2021 21:57	5,050	33,947,638	15,151,000	1,010,000	2,281,472
32	May 29, 2021 21:56	5,053	38,750,269	15,159,000	1,010,000	2,404,352
33	May 29, 2021 21:56	5,053	42,361,996	15,159,000	1,010,000	2,281,472
34	May 29, 2021 21:56	5,055	43,706,824	15,166,000	1,011,000	2,281,472
35	May 29, 2021 21:56	5,056	37,091,861	14,156,000	2,022,000	2,408,448
36	May 29, 2021 21:57	5,057	41,112,789	15,172,000	1,011,000	2,412,544
37	May 29, 2021 21:57	5,058	41,205,167	14,162,000	2,023,000	2,408,448
38	May 29, 2021 21:57	5,058	36,322,084	15,176,000	1,011,000	2,281,472
39	May 29, 2021 21:57	5,058	36,620,017	15,173,000	1,011,000	2,281,472
40	May 29, 2021 21:57	5,059	31,629,795	14,165,000	2,023,000	2,273,280
41	May 29, 2021 21:56	5,059	41,071,170	15,177,000	1,011,000	2,412,544
42	May 29, 2021 21:57	5,061	42,724,461	14,170,000	2,024,000	2,281,472
43	May 29, 2021 21:56	5,061	36,243,294	15,182,000	1,012,000	2,281,472
44	May 29, 2021 21:56	5,061	35,780,458	15,184,000	1,012,000	2,400,256
45	May 29, 2021 21:56	5,062	38,778,035	14,174,000	2,024,000	2,412,544
46	May 29, 2021 21:56	5,068	39,947,934	15,203,000	1,013,000	2,404,352
47	May 29, 2021 21:56	5,069	45,775,091	15,208,000	1,013,000	2,404,352
48	May 29, 2021 21:57	5,071	41,926,748	15,212,000	1,014,000	2,281,472
49	May 29, 2021 21:57	5,084	46,511,736	15,252,000	1,016,000	2,281,472
50	May 29, 2021 21:57	5,088	42,132,519	15,266,000	1,017,000	2,404,352
51	May 29, 2021 21:57	5,089	40,938,178	15,267,000	1,017,000	2,404,352
52	May 29, 2021 21:57	5,093	34,659,277	15,279,000	1,018,000	2,281,472
53	May 29, 2021 21:57	5,095	41,608,108	15,286,000	1,019,000	2,408,448
54	May 29, 2021 21:57	5,097	33,158,934	14,272,000	2,038,000	2,281,472
55	May 29, 2021 21:56	5,200	81,147,557	16,638,439	0	2,293,760
56	May 29, 2021 21:56	5,203	97,192,891	16,649,078	0	2,297,856
57	May 29, 2021 21:56	5,207	78,376,698	16,663,746	0	2,297,856
58	May 29, 2021 21:56	5,208	64,558,667	16,665,378	0	2,285,568
59	May 29, 2021 21:56	5,208	82,344,847	16,666,257	0	2,289,664
60	May 29, 2021 21:56	5,211	90,882,458	16,674,782	0	2,285,568
61	May 29, 2021 21:57	5,221	56,280,632	16,708,245	0	2,285,568
62	May 29, 2021 21:56	5,221	78,329,599	16,708,344	0	2,285,568
63	May 29, 2021 21:57	5,221	85,570,987	16,706,953	0	2,285,568
64	May 29, 2021 21:57	5,224	91,690,501	16,716,367	0	2,285,568
65	May 29, 2021 21:56	5,227	68,168,968	16,727,335	0	2,281,472
66	May 29, 2021 21:56	5,230	93,851,678	16,736,575	0	2,289,664
67	May 29, 2021 21:57	5,233	67,907,312	16,745,371	0	2,285,568
68	May 29, 2021 21:56	5,238	73,905,095	16,761,016	0	2,293,760
69	May 29, 2021 21:56	5,245	72,500,109	16,782,614	0	2,293,760
70	May 29, 2021 21:57	5,254	78,852,717	16,811,389	0	2,289,664
71	May 29, 2021 21:57	5,262	77,887,028	16,839,182	0	2,285,568
72	May 29, 2021 21:56	5,387	82,341,344	17,238,194	0	2,285,568

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