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 7, 2024 10:30

Ryan Chung Yi Sheng

Score: 5,518

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 7, 2024 10:31	5,414	66,644,658	17,326,045	0	2,293,760
2	Mar 7, 2024 10:30	5,417	52,273,779	17,332,917	0	2,297,856
3	Mar 7, 2024 10:31	5,423	64,608,113	17,353,500	0	2,297,856
4	Mar 7, 2024 10:30	5,428	95,993,119	17,368,631	0	2,293,760
5	Mar 7, 2024 10:31	5,428	93,767,412	17,368,666	0	2,289,664
6	Mar 7, 2024 10:31	5,434	90,563,507	17,388,323	0	2,174,976
7	Mar 7, 2024 10:30	5,436	79,301,873	17,395,220	0	2,293,760
8	Mar 7, 2024 10:30	5,436	101,731,281	17,395,978	0	2,285,568
9	Mar 7, 2024 10:31	5,454	83,711,216	17,453,010	0	2,289,664
10	Mar 7, 2024 10:30	5,461	61,244,272	17,475,365	0	2,297,856
11	Mar 7, 2024 10:30	5,470	61,386,619	17,505,454	0	2,174,976
12	Mar 7, 2024 10:31	5,475	88,938,785	17,520,743	0	2,297,856
13	Mar 7, 2024 10:31	5,487	34,812,908	16,526,000	1,032,000	2,408,448
14	Mar 7, 2024 10:31	5,505	47,990,348	17,617,000	0	2,281,472
15	Mar 7, 2024 10:30	5,509	44,667,599	16,593,000	1,037,000	2,281,472
16	Mar 7, 2024 10:31	5,509	42,409,012	17,630,000	0	2,281,472
17	Mar 7, 2024 10:30	5,509	48,328,853	16,592,000	1,037,000	2,281,472
18	Mar 7, 2024 10:30	5,510	47,584,942	16,594,000	1,037,000	2,281,472
19	Mar 7, 2024 10:30	5,511	44,057,767	16,599,000	1,037,000	2,281,472
20	Mar 7, 2024 10:30	5,515	38,703,565	16,611,000	1,038,000	2,400,256
21	Mar 7, 2024 10:31	5,515	44,776,398	17,649,000	0	2,396,160
22	Mar 7, 2024 10:30	5,516	45,229,685	17,651,000	0	2,523,136
23	Mar 7, 2024 10:30	5,517	43,576,677	17,654,000	0	2,404,352
24	Mar 7, 2024 10:31	5,518	44,133,412	16,620,000	1,038,000	2,281,472
25	Mar 7, 2024 10:31	5,518	43,807,546	16,620,000	1,038,000	2,404,352
26	Mar 7, 2024 10:31	5,520	33,235,673	16,625,000	1,039,000	2,400,256
27	Mar 7, 2024 10:31	5,521	42,282,237	16,628,000	1,039,000	2,281,472
28	Mar 7, 2024 10:30	5,521	37,343,762	16,629,000	1,039,000	2,400,256
29	Mar 7, 2024 10:30	5,522	41,688,782	17,669,000	0	2,281,472
30	Mar 7, 2024 10:31	5,522	42,465,221	17,669,000	0	2,281,472
31	Mar 7, 2024 10:31	5,522	44,218,505	17,670,000	0	2,281,472
32	Mar 7, 2024 10:30	5,523	43,982,512	17,674,000	0	2,281,472
33	Mar 7, 2024 10:31	5,526	45,565,112	16,643,000	1,040,000	2,400,256
34	Mar 7, 2024 10:31	5,526	44,172,862	17,682,000	0	2,400,256
35	Mar 7, 2024 10:31	5,526	34,079,945	16,643,000	1,040,000	2,281,472
36	Mar 7, 2024 10:31	5,527	44,091,882	16,646,000	1,040,000	2,404,352
37	Mar 7, 2024 10:31	5,528	37,024,820	17,691,000	0	2,281,472
38	Mar 7, 2024 10:30	5,529	48,936,842	17,694,000	0	2,510,848
39	Mar 7, 2024 10:31	5,534	46,010,060	17,710,000	0	2,281,472
40	Mar 7, 2024 10:31	5,534	45,172,951	16,667,000	1,041,000	2,396,160
41	Mar 7, 2024 10:30	5,536	43,746,886	16,674,000	1,042,000	2,404,352
42	Mar 7, 2024 10:30	5,536	43,884,101	17,716,000	0	2,281,472
43	Mar 7, 2024 10:30	5,538	41,899,972	16,680,000	1,042,000	2,396,160
44	Mar 7, 2024 10:30	5,539	46,363,476	16,682,000	1,042,000	2,281,472
45	Mar 7, 2024 10:30	5,539	36,937,741	16,683,000	1,042,000	2,281,472
46	Mar 7, 2024 10:31	5,577	42,726,212	16,855,000	991,000	2,478,080
47	Mar 7, 2024 10:30	5,583	48,233,379	16,873,000	992,000	2,281,472
48	Mar 7, 2024 10:30	5,584	42,667,732	15,884,000	1,985,000	2,281,472

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