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	Jun 9, 2024 22:00	5,225	41,538,396	16,720,000	0	2,367,488
2	Jun 9, 2024 22:00	5,225	48,100,016	15,675,000	1,045,000	2,293,760
3	Jun 9, 2024 21:59	5,227	48,070,958	16,727,000	0	2,375,680
4	Jun 9, 2024 22:00	5,232	43,822,127	15,696,000	1,046,000	2,293,760
5	Jun 9, 2024 22:00	5,232	48,286,855	16,742,000	0	2,379,776
6	Jun 9, 2024 22:00	5,256	47,110,370	14,841,000	1,978,000	2,293,760
7	Jun 9, 2024 22:00	5,262	43,813,561	15,849,000	990,000	2,293,760
8	Jun 9, 2024 22:00	5,262	46,740,396	15,847,000	990,000	2,375,680
9	Jun 9, 2024 22:00	5,267	43,697,637	15,864,000	991,000	2,293,760
10	Jun 9, 2024 22:00	5,268	43,393,224	14,874,000	1,983,000	2,293,760
11	Jun 9, 2024 22:00	5,269	45,343,323	14,878,000	1,983,000	2,293,760
12	Jun 9, 2024 21:59	5,269	38,235,341	14,879,000	1,983,000	2,371,584
13	Jun 9, 2024 22:00	5,269	32,793,761	15,871,000	991,000	2,293,760
14	Jun 9, 2024 22:00	5,271	47,445,229	14,883,000	1,984,000	2,293,760
15	Jun 9, 2024 22:00	5,271	42,366,214	15,875,000	992,000	2,359,296
16	Jun 9, 2024 22:00	5,271	43,055,141	15,875,000	992,000	2,293,760
17	Jun 9, 2024 22:00	5,272	45,035,301	14,886,000	1,984,000	2,379,776
18	Jun 9, 2024 22:00	5,273	43,514,984	15,880,000	992,000	2,293,760
19	Jun 9, 2024 22:00	5,273	44,794,184	14,888,000	1,985,000	2,371,584
20	Jun 9, 2024 22:00	5,273	35,689,233	14,890,000	1,985,000	2,293,760
21	Jun 9, 2024 22:00	5,274	53,658,275	15,885,000	992,000	2,293,760
22	Jun 9, 2024 22:00	5,274	43,264,551	15,885,000	992,000	2,293,760
23	Jun 9, 2024 21:59	5,274	46,734,218	14,891,000	1,985,000	2,490,368
24	Jun 9, 2024 22:00	5,275	42,641,181	15,887,000	992,000	2,293,760
25	Jun 9, 2024 21:59	5,275	44,815,343	15,887,000	992,000	2,371,584
26	Jun 9, 2024 22:00	5,276	51,028,038	16,882,000	0	2,375,680
27	Jun 9, 2024 22:00	5,276	45,904,260	16,882,000	0	2,293,760
28	Jun 9, 2024 22:00	5,276	39,259,645	15,891,000	993,000	2,289,664
29	Jun 9, 2024 21:59	5,276	47,719,500	14,898,000	1,986,000	2,363,392
30	Jun 9, 2024 21:59	5,277	46,520,221	15,832,000	1,055,000	2,293,760
31	Jun 9, 2024 21:59	5,278	48,608,694	16,888,000	0	2,293,760
32	Jun 9, 2024 22:00	5,279	44,696,101	15,899,000	993,000	2,293,760
33	Jun 9, 2024 21:59	5,279	42,257,334	16,894,000	0	2,371,584
34	Jun 9, 2024 22:00	5,281	41,389,165	15,904,000	994,000	2,375,680
35	Jun 9, 2024 22:00	5,286	46,121,149	14,925,000	1,990,000	2,293,760
36	Jun 9, 2024 21:59	5,292	39,276,996	15,939,000	996,000	2,367,488
37	Jun 9, 2024 22:00	5,473	107,329,804	17,512,506	0	2,248,704
38	Jun 9, 2024 22:00	5,490	85,834,726	17,567,507	0	2,252,800
39	Jun 9, 2024 22:00	5,520	78,110,441	17,663,378	0	2,248,704
40	Jun 9, 2024 21:59	5,528	60,378,984	17,690,245	0	2,256,896
41	Jun 9, 2024 22:00	5,530	84,101,828	17,697,290	0	2,244,608
42	Jun 9, 2024 22:00	5,555	65,409,212	17,775,134	0	2,256,896
43	Jun 9, 2024 21:59	5,562	80,585,011	17,797,713	0	2,260,992
44	Jun 9, 2024 22:00	5,613	73,677,550	17,962,260	0	2,244,608
45	Jun 9, 2024 22:00	5,633	90,806,280	18,025,993	0	2,260,992
46	Jun 9, 2024 21:59	5,633	77,120,506	18,026,823	0	2,248,704
47	Jun 9, 2024 22:00	5,642	61,533,463	18,052,932	0	2,260,992
48	Jun 9, 2024 22:00	5,670	106,542,113	18,144,144	0	2,252,800

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