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 3, 2022 22:02

Franek Korta

Score: 4,871

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 3, 2022 21:59	4,831	34,144,100	14,430,000	1,030,000	2,531,328
2	Sep 3, 2022 21:59	4,835	33,947,286	14,441,000	1,031,000	2,433,024
3	Sep 3, 2022 21:59	4,841	41,646,402	14,458,000	1,032,000	2,531,328
4	Sep 3, 2022 21:59	4,845	36,366,407	13,438,000	2,067,000	2,433,024
5	Sep 3, 2022 21:11	4,846	36,377,468	14,474,000	1,033,000	2,433,024
6	Sep 3, 2022 21:59	4,853	36,082,594	15,531,000	0	2,531,328
7	Sep 3, 2022 21:59	4,854	40,930,138	15,533,000	0	2,428,928
8	Sep 3, 2022 21:59	4,855	31,316,215	13,466,000	2,071,000	2,437,120
9	Sep 3, 2022 21:11	4,858	34,112,421	15,544,000	0	2,531,328
10	Sep 3, 2022 22:02	4,858	39,723,840	14,511,000	1,036,000	2,269,184
11	Sep 3, 2022 21:11	4,859	37,436,097	14,512,000	1,036,000	2,441,216
12	Sep 3, 2022 22:02	4,862	36,361,048	14,520,000	1,037,000	2,433,024
13	Sep 3, 2022 22:02	4,863	33,301,431	14,526,000	1,037,000	2,269,184
14	Sep 3, 2022 21:11	4,863	37,986,373	15,561,000	0	2,437,120
15	Sep 3, 2022 21:11	4,865	35,046,403	13,493,000	2,075,000	2,531,328
16	Sep 3, 2022 21:11	4,867	34,513,970	14,536,000	1,038,000	2,269,184
17	Sep 3, 2022 22:02	4,868	38,749,636	14,540,000	1,038,000	2,428,928
18	Sep 3, 2022 22:02	4,869	31,376,761	15,580,000	0	2,424,832
19	Sep 3, 2022 22:02	4,871	34,346,620	15,586,000	0	2,531,328
20	Sep 3, 2022 22:02	4,872	39,328,085	15,589,000	0	2,433,024
21	Sep 3, 2022 22:02	4,873	42,659,931	14,556,000	1,039,000	2,269,184
22	Sep 3, 2022 21:11	4,873	43,543,236	15,594,000	0	2,433,024
23	Sep 3, 2022 21:59	4,881	38,921,856	13,537,000	2,082,000	2,437,120
24	Sep 3, 2022 21:11	4,881	31,764,374	13,537,000	2,082,000	2,531,328
25	Sep 3, 2022 22:02	4,882	41,255,528	15,622,000	0	2,531,328
26	Sep 3, 2022 21:11	4,885	41,394,566	15,632,000	0	2,437,120
27	Sep 3, 2022 21:59	4,885	31,890,582	15,632,000	0	2,527,232
28	Sep 3, 2022 22:02	4,983	71,545,373	15,947,029	0	2,203,648
29	Sep 3, 2022 22:02	4,985	60,134,088	15,950,784	0	2,199,552
30	Sep 3, 2022 21:11	4,988	85,143,174	15,961,437	0	2,195,456
31	Sep 3, 2022 22:02	5,005	84,634,157	16,014,680	0	2,199,552
32	Sep 3, 2022 21:11	5,014	79,656,187	16,044,343	0	2,203,648
33	Sep 3, 2022 21:11	5,019	60,513,861	16,062,264	0	2,191,360
34	Sep 3, 2022 21:59	5,050	89,480,085	16,159,390	0	2,199,552
35	Sep 3, 2022 21:59	5,052	106,189,513	16,164,904	0	2,195,456
36	Sep 3, 2022 21:59	5,090	96,184,373	16,287,095	0	2,207,744

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