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 listSep 19, 2022 09:36

Kenneth Maples

Score: 5,431

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 19, 2022 09:38	5,383	33,995,245	16,214,000	1,013,000	2,387,968
2	Sep 19, 2022 09:36	5,400	38,760,834	17,281,000	0	2,392,064
3	Sep 19, 2022 09:36	5,401	40,276,948	15,249,000	2,033,000	2,383,872
4	Sep 19, 2022 09:34	5,403	37,201,533	15,255,000	2,034,000	2,387,968
5	Sep 19, 2022 09:36	5,406	42,582,145	16,281,000	1,017,000	2,383,872
6	Sep 19, 2022 09:34	5,406	32,908,079	15,265,000	2,035,000	2,396,160
7	Sep 19, 2022 09:38	5,408	39,882,462	16,288,000	1,018,000	2,519,040
8	Sep 19, 2022 09:34	5,409	39,762,318	16,291,000	1,018,000	2,519,040
9	Sep 19, 2022 09:36	5,409	37,745,487	17,309,000	0	2,510,848
10	Sep 19, 2022 09:38	5,411	41,781,940	17,315,000	0	2,519,040
11	Sep 19, 2022 09:34	5,413	43,972,221	15,284,000	2,037,000	2,383,872
12	Sep 19, 2022 09:34	5,413	34,079,501	17,321,000	0	2,400,256
13	Sep 19, 2022 09:36	5,413	40,016,711	17,323,000	0	2,519,040
14	Sep 19, 2022 09:38	5,413	36,245,514	16,303,000	1,018,000	2,519,040
15	Sep 19, 2022 09:38	5,414	40,485,367	16,307,000	1,019,000	2,387,968
16	Sep 19, 2022 09:38	5,415	41,712,286	15,289,000	2,038,000	2,519,040
17	Sep 19, 2022 09:36	5,415	38,928,212	16,309,000	1,019,000	2,510,848
18	Sep 19, 2022 09:36	5,415	46,272,860	16,310,000	1,019,000	2,519,040
19	Sep 19, 2022 09:34	5,416	39,174,907	15,292,000	2,039,000	2,506,752
20	Sep 19, 2022 09:36	5,417	38,330,900	16,314,000	1,019,000	2,519,040
21	Sep 19, 2022 09:38	5,422	38,417,374	15,310,000	2,041,000	2,387,968
22	Sep 19, 2022 09:36	5,422	38,309,776	15,309,000	2,041,000	2,392,064
23	Sep 19, 2022 09:36	5,423	44,199,003	16,390,000	964,000	2,260,992
24	Sep 19, 2022 09:38	5,427	46,661,062	15,323,000	2,043,000	2,519,040
25	Sep 19, 2022 09:36	5,431	45,956,394	16,358,000	1,022,000	2,510,848
26	Sep 19, 2022 09:38	5,434	49,052,911	17,388,000	0	2,383,872
27	Sep 19, 2022 09:36	5,434	51,013,403	17,389,000	0	2,387,968
28	Sep 19, 2022 09:36	5,435	38,318,079	16,369,000	1,023,000	2,519,040
29	Sep 19, 2022 09:36	5,437	51,347,735	17,398,000	0	2,519,040
30	Sep 19, 2022 09:36	5,439	41,062,081	15,357,000	2,047,000	2,519,040
31	Sep 19, 2022 09:34	5,439	34,458,690	17,404,000	0	2,387,968
32	Sep 19, 2022 09:36	5,440	46,472,095	16,385,000	1,024,000	2,506,752
33	Sep 19, 2022 09:34	5,440	37,731,226	17,408,000	0	2,519,040
34	Sep 19, 2022 09:34	5,441	36,596,345	16,388,000	1,024,000	2,519,040
35	Sep 19, 2022 09:36	5,447	42,423,679	17,429,000	0	2,519,040
36	Sep 19, 2022 09:36	5,453	40,149,335	17,449,000	0	2,260,992
37	Sep 19, 2022 09:36	5,680	94,237,371	18,175,375	0	2,265,088
38	Sep 19, 2022 09:34	5,691	99,064,152	18,212,001	0	2,273,280
39	Sep 19, 2022 09:36	5,697	66,664,019	18,230,380	0	2,281,472
40	Sep 19, 2022 09:34	5,697	99,255,895	18,229,466	0	2,281,472
41	Sep 19, 2022 09:38	5,701	61,024,001	18,242,687	0	2,277,376
42	Sep 19, 2022 09:38	5,703	79,512,666	18,251,012	0	2,277,376
43	Sep 19, 2022 09:36	5,704	115,155,764	18,252,764	0	2,199,552
44	Sep 19, 2022 09:36	5,715	61,092,473	18,288,255	0	2,285,568
45	Sep 19, 2022 09:36	5,722	91,114,403	18,309,930	0	2,281,472
46	Sep 19, 2022 09:34	5,728	86,467,647	18,331,174	0	2,269,184
47	Sep 19, 2022 09:36	5,733	94,585,096	18,347,019	0	2,277,376
48	Sep 19, 2022 09:38	5,736	83,374,526	18,356,629	0	2,277,376

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