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: 5,317

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 13, 2024 00:34	5,290	45,217,389	15,932,000	995,000	2,359,296
2	Jun 13, 2024 00:24	5,292	45,794,789	14,942,000	1,992,000	2,371,584
3	Jun 13, 2024 00:21	5,294	43,446,416	15,945,000	996,000	2,363,392
4	Jun 13, 2024 00:21	5,297	42,464,073	15,954,000	997,000	2,367,488
5	Jun 13, 2024 00:24	5,297	41,312,436	15,892,000	1,059,000	2,379,776
6	Jun 13, 2024 00:18	5,297	35,361,978	14,955,000	1,994,000	2,363,392
7	Jun 13, 2024 00:24	5,299	45,999,629	15,961,000	997,000	2,293,760
8	Jun 13, 2024 00:24	5,299	34,113,136	15,960,000	997,000	2,371,584
9	Jun 13, 2024 00:18	5,301	45,021,305	15,966,000	997,000	2,375,680
10	Jun 13, 2024 00:18	5,301	47,853,170	15,965,000	997,000	2,293,760
11	Jun 13, 2024 00:21	5,302	43,871,749	14,971,000	1,996,000	2,371,584
12	Jun 13, 2024 00:21	5,303	44,572,094	14,974,000	1,996,000	2,375,680
13	Jun 13, 2024 00:34	5,303	39,460,584	14,972,000	1,996,000	2,375,680
14	Jun 13, 2024 00:34	5,303	34,283,261	14,974,000	1,996,000	2,293,760
15	Jun 13, 2024 00:24	5,304	43,308,882	15,975,000	998,000	2,473,984
16	Jun 13, 2024 00:18	5,306	45,969,746	15,981,000	998,000	2,293,760
17	Jun 13, 2024 00:21	5,306	46,879,674	14,982,000	1,997,000	2,367,488
18	Jun 13, 2024 00:21	5,306	33,410,382	15,981,000	998,000	2,482,176
19	Jun 13, 2024 00:34	5,309	44,158,651	14,992,000	1,998,000	2,293,760
20	Jun 13, 2024 00:34	5,309	42,275,045	15,990,000	999,000	2,293,760
21	Jun 13, 2024 00:34	5,311	46,176,587	15,997,000	999,000	2,293,760
22	Jun 13, 2024 00:18	5,311	41,044,721	15,995,000	999,000	2,383,872
23	Jun 13, 2024 00:34	5,313	34,141,539	16,001,000	1,000,000	2,367,488
24	Jun 13, 2024 00:24	5,315	44,585,040	15,008,000	2,001,000	2,375,680
25	Jun 13, 2024 00:34	5,317	46,153,184	16,013,000	1,000,000	2,293,760
26	Jun 13, 2024 00:34	5,319	43,617,838	15,020,000	2,002,000	2,293,760
27	Jun 13, 2024 00:24	5,319	47,922,462	15,019,000	2,002,000	2,375,680
28	Jun 13, 2024 00:21	5,320	43,342,018	15,022,000	2,003,000	2,371,584
29	Jun 13, 2024 00:18	5,321	43,581,856	16,027,000	1,001,000	2,367,488
30	Jun 13, 2024 00:18	5,322	46,082,893	16,028,000	1,001,000	2,367,488
31	Jun 13, 2024 00:18	5,326	45,614,981	16,042,000	1,002,000	2,367,488
32	Jun 13, 2024 00:18	5,327	40,384,360	16,043,000	1,002,000	2,293,760
33	Jun 13, 2024 00:21	5,329	44,019,830	15,047,000	2,006,000	2,371,584
34	Jun 13, 2024 00:24	5,330	34,898,793	15,051,000	2,006,000	2,289,664
35	Jun 13, 2024 00:21	5,340	42,748,749	15,077,000	2,010,000	2,293,760
36	Jun 13, 2024 00:24	5,348	41,364,373	15,100,000	2,013,000	2,371,584
37	Jun 13, 2024 00:34	5,535	71,656,323	17,710,442	0	2,244,608
38	Jun 13, 2024 00:24	5,535	83,666,767	17,710,414	0	2,240,512
39	Jun 13, 2024 00:21	5,544	90,426,111	17,742,187	0	2,244,608
40	Jun 13, 2024 00:24	5,548	83,902,277	17,754,640	0	2,244,608
41	Jun 13, 2024 00:34	5,550	82,700,744	17,760,652	0	2,248,704
42	Jun 13, 2024 00:21	5,553	94,945,428	17,768,829	0	2,244,608
43	Jun 13, 2024 00:34	5,556	90,690,086	17,780,402	0	2,256,896
44	Jun 13, 2024 00:24	5,561	83,231,156	17,795,028	0	2,375,680
45	Jun 13, 2024 00:18	5,563	66,020,702	17,803,007	0	2,244,608
46	Jun 13, 2024 00:18	5,564	59,077,022	17,804,943	0	2,371,584
47	Jun 13, 2024 00:21	5,570	56,298,879	17,823,054	0	2,248,704
48	Jun 13, 2024 00:18	5,574	91,150,300	17,835,821	0	2,371,584

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