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	Aug 26, 2024 13:16	4,339	28,608,196	13,886,000	0	2,277,376
2	Aug 26, 2024 13:16	4,339	39,978,449	12,893,000	991,000	2,502,656
3	Aug 26, 2024 13:16	4,342	29,712,057	12,902,000	992,000	2,277,376
4	Aug 26, 2024 13:16	4,343	27,427,967	12,904,000	992,000	2,502,656
5	Aug 26, 2024 13:16	4,349	26,190,009	12,922,000	994,000	2,277,376
6	Aug 26, 2024 13:16	4,352	34,757,630	12,932,000	994,000	2,502,656
7	Aug 26, 2024 13:16	4,353	37,155,345	12,936,000	995,000	2,277,376
8	Aug 26, 2024 13:16	4,356	30,711,241	12,944,000	995,000	2,277,376
9	Aug 26, 2024 13:16	4,357	30,126,223	12,947,000	995,000	2,535,424
10	Aug 26, 2024 13:16	4,365	29,060,091	12,972,000	997,000	2,498,560
11	Aug 26, 2024 13:16	4,371	29,951,627	12,987,000	999,000	2,494,464
12	Aug 26, 2024 13:12	4,371	35,902,454	12,989,000	999,000	2,498,560
13	Aug 26, 2024 13:16	4,372	38,332,072	12,992,000	999,000	2,277,376
14	Aug 26, 2024 13:14	4,372	29,842,537	12,992,000	999,000	2,490,368
15	Aug 26, 2024 13:14	4,373	42,268,620	12,996,000	999,000	2,277,376
16	Aug 26, 2024 13:12	4,376	29,527,257	13,002,000	1,000,000	2,502,656
17	Aug 26, 2024 13:14	4,376	31,240,703	13,002,000	1,000,000	2,498,560
18	Aug 26, 2024 13:16	4,377	38,815,046	12,005,000	2,000,000	2,277,376
19	Aug 26, 2024 13:12	4,378	28,966,071	12,010,000	2,001,000	2,502,656
20	Aug 26, 2024 13:14	4,378	34,947,026	13,010,000	1,000,000	2,277,376
21	Aug 26, 2024 13:16	4,380	32,474,348	13,014,000	1,001,000	2,498,560
22	Aug 26, 2024 13:12	4,382	34,383,102	13,022,000	1,001,000	2,277,376
23	Aug 26, 2024 13:14	4,383	31,217,138	13,023,000	1,001,000	2,277,376
24	Aug 26, 2024 13:12	4,383	34,923,649	13,025,000	1,001,000	2,498,560
25	Aug 26, 2024 13:16	4,385	34,944,719	13,029,000	1,002,000	2,502,656
26	Aug 26, 2024 13:14	4,387	29,004,356	13,036,000	1,002,000	2,277,376
27	Aug 26, 2024 13:12	4,387	29,982,189	13,035,000	1,002,000	2,494,464
28	Aug 26, 2024 13:16	4,388	33,798,112	13,038,000	1,002,000	2,277,376
29	Aug 26, 2024 13:16	4,390	29,617,644	13,044,000	1,003,000	2,490,368
30	Aug 26, 2024 13:14	4,395	29,625,009	13,060,000	1,004,000	2,277,376
31	Aug 26, 2024 13:12	4,398	32,764,929	13,070,000	1,005,000	2,277,376
32	Aug 26, 2024 13:12	4,400	32,684,533	13,076,000	1,005,000	2,277,376
33	Aug 26, 2024 13:16	4,401	31,777,774	13,078,000	1,006,000	2,277,376
34	Aug 26, 2024 13:14	4,405	30,113,179	13,089,000	1,006,000	2,277,376
35	Aug 26, 2024 13:12	4,415	31,411,640	13,118,000	1,009,000	2,277,376
36	Aug 26, 2024 13:14	4,419	31,303,550	13,131,000	1,010,000	2,277,376
37	Aug 26, 2024 13:16	4,605	85,225,397	14,734,682	0	2,256,896
38	Aug 26, 2024 13:16	4,623	75,074,256	14,793,849	0	2,375,680
39	Aug 26, 2024 13:16	4,623	83,930,151	14,792,205	0	2,371,584
40	Aug 26, 2024 13:16	4,639	102,097,534	14,844,690	0	2,244,608
41	Aug 26, 2024 13:16	4,652	90,146,998	14,885,149	0	2,252,800
42	Aug 26, 2024 13:12	4,653	65,209,999	14,888,088	0	2,240,512
43	Aug 26, 2024 13:14	4,655	74,028,591	14,894,850	0	2,248,704
44	Aug 26, 2024 13:14	4,659	82,919,412	14,908,077	0	2,379,776
45	Aug 26, 2024 13:12	4,671	80,000,398	14,945,635	0	2,236,416
46	Aug 26, 2024 13:16	4,673	89,045,051	14,952,730	0	2,240,512
47	Aug 26, 2024 13:14	4,676	80,629,310	14,963,373	0	2,367,488
48	Aug 26, 2024 13:12	4,685	62,726,104	14,992,920	0	2,375,680

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