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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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 27, 2024 00:20	4,468	29,660,345	12,256,000	2,042,000	2,428,928
2	Jul 27, 2024 00:20	4,471	31,909,728	14,307,000	0	2,433,024
3	Jul 27, 2024 00:21	4,474	30,797,327	13,296,000	1,022,000	2,428,928
4	Jul 27, 2024 00:20	4,475	28,375,317	14,321,000	0	2,273,280
5	Jul 27, 2024 00:21	4,479	33,302,552	14,332,000	0	2,428,928
6	Jul 27, 2024 00:20	4,481	28,900,372	13,315,000	1,024,000	2,433,024
7	Jul 27, 2024 00:20	4,483	33,368,106	14,345,000	0	2,420,736
8	Jul 27, 2024 00:21	4,483	31,572,312	13,320,000	1,024,000	2,433,024
9	Jul 27, 2024 00:20	4,483	35,226,430	14,347,000	0	2,535,424
10	Jul 27, 2024 00:20	4,486	28,411,889	13,329,000	1,025,000	2,535,424
11	Jul 27, 2024 00:20	4,487	31,583,790	14,359,000	0	2,420,736
12	Jul 27, 2024 00:20	4,489	32,422,969	14,364,000	0	2,433,024
13	Jul 27, 2024 00:21	4,491	31,458,121	14,370,000	0	2,273,280
14	Jul 27, 2024 00:21	4,491	31,558,671	14,372,000	0	2,535,424
15	Jul 27, 2024 00:20	4,492	28,120,818	14,373,000	0	2,273,280
16	Jul 27, 2024 00:21	4,494	31,532,928	14,381,000	0	2,437,120
17	Jul 27, 2024 00:20	4,495	35,071,800	13,356,000	1,027,000	2,424,832
18	Jul 27, 2024 00:20	4,497	28,532,851	14,390,000	0	2,535,424
19	Jul 27, 2024 00:20	4,498	28,840,037	14,395,000	0	2,437,120
20	Jul 27, 2024 00:21	4,500	28,814,420	13,372,000	1,028,000	2,273,280
21	Jul 27, 2024 00:21	4,505	34,316,296	13,386,000	1,029,000	2,535,424
22	Jul 27, 2024 00:20	4,505	34,050,257	13,386,000	1,029,000	2,433,024
23	Jul 27, 2024 00:20	4,506	31,456,031	13,390,000	1,030,000	2,428,928
24	Jul 27, 2024 00:20	4,508	41,035,352	13,394,000	1,030,000	2,428,928
25	Jul 27, 2024 00:20	4,508	32,509,025	14,427,000	0	2,424,832
26	Jul 27, 2024 00:20	4,524	32,861,893	13,443,000	1,034,000	2,535,424
27	Jul 27, 2024 00:21	4,527	33,932,132	13,452,000	1,034,000	2,273,280
28	Jul 27, 2024 00:20	4,706	100,534,708	15,058,687	0	2,183,168
29	Jul 27, 2024 00:20	4,714	51,468,649	15,085,492	0	2,187,264
30	Jul 27, 2024 00:20	4,720	59,920,087	15,105,595	0	2,183,168
31	Jul 27, 2024 00:21	4,723	92,537,455	15,114,983	0	2,183,168
32	Jul 27, 2024 00:21	4,723	70,995,814	15,113,206	0	2,318,336
33	Jul 27, 2024 00:20	4,723	61,985,122	15,113,140	0	2,301,952
34	Jul 27, 2024 00:21	4,728	52,417,721	15,128,404	0	2,191,360
35	Jul 27, 2024 00:20	4,735	76,951,447	15,151,158	0	2,174,976
36	Jul 27, 2024 00:20	4,736	79,539,820	15,156,585	0	2,322,432

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