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: 5,275

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 9, 2024 20:45	5,229	45,792,441	15,689,000	1,045,000	2,363,392
2	Jun 9, 2024 20:46	5,235	38,034,492	15,705,000	1,047,000	2,371,584
3	Jun 9, 2024 20:48	5,268	42,263,857	15,865,000	991,000	2,293,760
4	Jun 9, 2024 20:45	5,268	44,676,265	15,866,000	991,000	2,293,760
5	Jun 9, 2024 20:46	5,269	46,453,751	14,877,000	1,983,000	2,293,760
6	Jun 9, 2024 20:48	5,270	32,812,785	14,881,000	1,984,000	2,293,760
7	Jun 9, 2024 20:48	5,270	41,316,200	15,872,000	992,000	2,367,488
8	Jun 9, 2024 20:48	5,271	46,502,155	16,867,000	0	2,293,760
9	Jun 9, 2024 20:48	5,271	44,720,202	14,883,000	1,984,000	2,293,760
10	Jun 9, 2024 20:48	5,272	33,444,947	15,877,000	992,000	2,293,760
11	Jun 9, 2024 20:48	5,272	42,711,908	15,878,000	992,000	2,293,760
12	Jun 9, 2024 20:45	5,272	41,068,864	15,877,000	992,000	2,293,760
13	Jun 9, 2024 20:45	5,272	35,639,245	14,886,000	1,984,000	2,293,760
14	Jun 9, 2024 20:48	5,273	44,255,247	15,883,000	992,000	2,293,760
15	Jun 9, 2024 20:48	5,273	43,789,435	15,881,000	992,000	2,293,760
16	Jun 9, 2024 20:45	5,273	48,525,727	15,880,000	992,000	2,293,760
17	Jun 9, 2024 20:46	5,273	42,130,588	15,881,000	992,000	2,367,488
18	Jun 9, 2024 20:46	5,274	44,224,112	15,885,000	992,000	2,293,760
19	Jun 9, 2024 20:45	5,274	47,204,553	16,878,000	0	2,293,760
20	Jun 9, 2024 20:46	5,274	44,775,884	15,884,000	992,000	2,293,760
21	Jun 9, 2024 20:48	5,274	46,314,039	14,893,000	1,985,000	2,375,680
22	Jun 9, 2024 20:48	5,274	33,168,020	16,877,000	0	2,293,760
23	Jun 9, 2024 20:48	5,274	50,269,943	15,884,000	992,000	2,367,488
24	Jun 9, 2024 20:46	5,274	42,700,286	15,885,000	992,000	2,293,760
25	Jun 9, 2024 20:45	5,275	36,285,675	14,895,000	1,986,000	2,293,760
26	Jun 9, 2024 20:48	5,276	41,820,970	14,896,000	1,986,000	2,293,760
27	Jun 9, 2024 20:45	5,276	48,490,645	14,896,000	1,986,000	2,375,680
28	Jun 9, 2024 20:45	5,277	46,781,982	15,893,000	993,000	2,379,776
29	Jun 9, 2024 20:46	5,277	45,818,969	14,901,000	1,986,000	2,293,760
30	Jun 9, 2024 20:48	5,277	36,710,412	14,900,000	1,986,000	2,293,760
31	Jun 9, 2024 20:48	5,278	37,520,777	16,891,000	0	2,371,584
32	Jun 9, 2024 20:48	5,281	34,370,465	14,910,000	1,988,000	2,293,760
33	Jun 9, 2024 20:48	5,287	51,538,217	14,927,000	1,990,000	2,293,760
34	Jun 9, 2024 20:46	5,291	34,210,595	15,935,000	995,000	2,285,568
35	Jun 9, 2024 20:48	5,297	38,031,370	14,956,000	1,994,000	2,363,392
36	Jun 9, 2024 20:46	5,303	43,137,943	15,970,000	998,000	2,371,584
37	Jun 9, 2024 20:46	5,465	65,036,006	17,487,290	0	2,232,320
38	Jun 9, 2024 20:45	5,493	77,823,407	17,576,935	0	2,252,800
39	Jun 9, 2024 20:48	5,500	78,957,321	17,601,571	0	2,240,512
40	Jun 9, 2024 20:48	5,504	111,236,230	17,612,882	0	2,256,896
41	Jun 9, 2024 20:46	5,527	69,240,373	17,685,437	0	2,248,704
42	Jun 9, 2024 20:48	5,537	91,232,691	17,718,881	0	2,252,800
43	Jun 9, 2024 20:45	5,560	79,782,842	17,792,299	0	2,248,704
44	Jun 9, 2024 20:48	5,562	79,335,856	17,799,488	0	2,252,800
45	Jun 9, 2024 20:46	5,622	85,247,118	17,990,663	0	2,252,800
46	Jun 9, 2024 20:48	5,627	70,613,707	18,007,808	0	2,248,704
47	Jun 9, 2024 20:45	5,631	99,436,832	18,017,718	0	2,248,704
48	Jun 9, 2024 20:48	5,647	83,522,461	18,069,552	0	2,244,608

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