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.

Back to listJul 20, 2024 18:58

Myles

Score: 5,274

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 20, 2024 19:10	5,210	42,207,311	15,630,000	1,042,000	2,281,472
2	Jul 20, 2024 18:58	5,218	44,645,573	15,656,000	1,043,000	2,281,472
3	Jul 20, 2024 18:59	5,221	45,500,273	15,662,000	1,044,000	2,281,472
4	Jul 20, 2024 18:58	5,224	34,477,897	15,674,000	1,044,000	2,404,352
5	Jul 20, 2024 19:10	5,228	44,930,692	16,729,000	0	2,396,160
6	Jul 20, 2024 19:10	5,228	45,466,922	16,729,000	0	2,392,064
7	Jul 20, 2024 18:59	5,229	46,074,730	15,689,000	1,045,000	2,400,256
8	Jul 20, 2024 19:10	5,229	31,776,295	15,688,000	1,045,000	2,281,472
9	Jul 20, 2024 18:59	5,232	34,726,918	15,695,000	1,046,000	2,281,472
10	Jul 20, 2024 19:10	5,262	34,983,339	16,837,000	0	2,400,256
11	Jul 20, 2024 19:00	5,263	42,483,470	14,860,000	1,981,000	2,400,256
12	Jul 20, 2024 19:00	5,265	42,780,903	14,866,000	1,982,000	2,408,448
13	Jul 20, 2024 18:59	5,267	38,100,491	15,862,000	991,000	2,400,256
14	Jul 20, 2024 19:00	5,269	36,253,126	15,869,000	991,000	2,281,472
15	Jul 20, 2024 19:00	5,270	42,864,332	14,880,000	1,984,000	2,281,472
16	Jul 20, 2024 19:00	5,271	43,055,557	15,875,000	992,000	2,404,352
17	Jul 20, 2024 18:58	5,271	34,690,170	15,875,000	992,000	2,281,472
18	Jul 20, 2024 19:10	5,271	52,428,628	16,866,000	0	2,404,352
19	Jul 20, 2024 19:00	5,272	31,821,503	15,879,000	992,000	2,281,472
20	Jul 20, 2024 18:59	5,272	45,501,673	14,885,000	1,984,000	2,281,472
21	Jul 20, 2024 18:58	5,272	38,447,722	15,878,000	992,000	2,392,064
22	Jul 20, 2024 19:10	5,273	42,305,439	15,881,000	992,000	2,281,472
23	Jul 20, 2024 19:00	5,273	46,475,989	15,883,000	992,000	2,281,472
24	Jul 20, 2024 18:59	5,274	33,258,185	15,886,000	992,000	2,260,992
25	Jul 20, 2024 18:58	5,274	41,426,280	15,884,000	992,000	2,281,472
26	Jul 20, 2024 19:10	5,275	36,722,719	16,880,000	0	2,281,472
27	Jul 20, 2024 19:10	5,275	43,138,104	14,894,000	1,985,000	2,281,472
28	Jul 20, 2024 19:00	5,275	38,981,775	15,888,000	993,000	2,400,256
29	Jul 20, 2024 18:58	5,276	39,082,605	15,889,000	993,000	2,404,352
30	Jul 20, 2024 18:58	5,276	43,741,901	15,890,000	993,000	2,404,352
31	Jul 20, 2024 18:58	5,276	32,836,819	16,884,000	0	2,281,472
32	Jul 20, 2024 18:59	5,278	38,175,653	15,895,000	993,000	2,400,256
33	Jul 20, 2024 19:00	5,278	44,110,736	14,903,000	1,987,000	2,396,160
34	Jul 20, 2024 18:59	5,279	43,747,995	14,905,000	1,987,000	2,281,472
35	Jul 20, 2024 18:58	5,279	47,234,568	15,901,000	993,000	2,281,472
36	Jul 20, 2024 18:59	5,286	44,799,325	15,921,000	995,000	2,396,160
37	Jul 20, 2024 19:00	5,456	86,537,691	17,459,915	0	2,301,952
38	Jul 20, 2024 19:10	5,465	89,122,917	17,487,454	0	2,301,952
39	Jul 20, 2024 18:58	5,466	72,293,135	17,491,157	0	2,297,856
40	Jul 20, 2024 18:59	5,471	83,395,053	17,506,929	0	2,297,856
41	Jul 20, 2024 18:58	5,481	88,658,544	17,537,713	0	2,179,072
42	Jul 20, 2024 18:59	5,484	85,604,318	17,548,119	0	2,310,144
43	Jul 20, 2024 19:00	5,486	68,947,434	17,555,413	0	2,289,664
44	Jul 20, 2024 19:10	5,488	95,785,938	17,561,660	0	2,301,952
45	Jul 20, 2024 18:58	5,499	85,137,842	17,597,054	0	2,306,048
46	Jul 20, 2024 18:59	5,503	68,012,210	17,611,169	0	2,301,952
47	Jul 20, 2024 19:00	5,510	90,685,991	17,630,866	0	2,301,952
48	Jul 20, 2024 19:10	5,520	76,440,945	17,663,482	0	2,289,664

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