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.

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Score: 5,273

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 13, 2024 03:07	5,216	36,136,633	15,649,000	1,043,000	2,371,584
2	Jun 13, 2024 03:07	5,217	42,974,414	15,650,000	1,043,000	2,478,080
3	Jun 13, 2024 03:07	5,220	36,881,526	15,660,000	1,044,000	2,367,488
4	Jun 13, 2024 03:07	5,221	46,134,561	16,707,000	0	2,371,584
5	Jun 13, 2024 03:08	5,222	39,211,652	16,711,000	0	2,293,760
6	Jun 13, 2024 03:07	5,223	47,212,457	16,714,000	0	2,375,680
7	Jun 13, 2024 03:07	5,229	48,128,553	15,688,000	1,045,000	2,293,760
8	Jun 13, 2024 03:07	5,230	48,291,284	16,736,000	0	2,293,760
9	Jun 13, 2024 03:07	5,267	34,439,761	14,871,000	1,982,000	2,293,760
10	Jun 13, 2024 03:07	5,267	46,619,789	14,872,000	1,982,000	2,375,680
11	Jun 13, 2024 03:07	5,268	43,757,837	15,866,000	991,000	2,293,760
12	Jun 13, 2024 03:07	5,268	41,569,176	15,867,000	991,000	2,289,664
13	Jun 13, 2024 03:08	5,269	43,430,103	15,869,000	991,000	2,478,080
14	Jun 13, 2024 03:07	5,269	38,279,604	15,870,000	991,000	2,375,680
15	Jun 13, 2024 03:07	5,270	42,673,119	14,880,000	1,984,000	2,375,680
16	Jun 13, 2024 03:07	5,272	35,041,196	15,877,000	992,000	2,363,392
17	Jun 13, 2024 03:07	5,272	44,430,110	14,885,000	1,984,000	2,482,176
18	Jun 13, 2024 03:07	5,273	47,531,586	15,881,000	992,000	2,293,760
19	Jun 13, 2024 03:08	5,273	44,349,381	15,881,000	992,000	2,367,488
20	Jun 13, 2024 03:08	5,273	46,625,944	15,881,000	992,000	2,371,584
21	Jun 13, 2024 03:07	5,273	34,636,571	16,873,000	0	2,375,680
22	Jun 13, 2024 03:07	5,273	33,467,456	14,888,000	1,985,000	2,367,488
23	Jun 13, 2024 03:08	5,275	33,934,530	16,881,000	0	2,363,392
24	Jun 13, 2024 03:08	5,276	33,752,068	15,889,000	993,000	2,371,584
25	Jun 13, 2024 03:08	5,277	43,032,887	15,894,000	993,000	2,293,760
26	Jun 13, 2024 03:08	5,281	36,666,536	15,905,000	994,000	2,375,680
27	Jun 13, 2024 03:08	5,281	53,801,495	14,912,000	1,988,000	2,293,760
28	Jun 13, 2024 03:08	5,457	96,503,078	17,463,200	0	2,244,608
29	Jun 13, 2024 03:07	5,463	84,800,803	17,481,415	0	2,244,608
30	Jun 13, 2024 03:07	5,464	73,604,706	17,483,955	0	2,240,512
31	Jun 13, 2024 03:08	5,477	94,113,426	17,525,028	0	2,240,512
32	Jun 13, 2024 03:07	5,478	62,201,603	17,529,437	0	2,240,512
33	Jun 13, 2024 03:07	5,480	65,809,304	17,534,873	0	2,240,512
34	Jun 13, 2024 03:07	5,493	89,107,862	17,577,380	0	2,252,800
35	Jun 13, 2024 03:07	5,496	83,579,783	17,586,328	0	2,248,704
36	Jun 13, 2024 03:08	5,505	81,749,594	17,614,450	0	2,240,512

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