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 listMay 29, 2021 22:38

Yuriy Lyfenko

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	May 29, 2021 22:43	0	0	0	0	0	Error: exit with code 1: alg:0 fwd:4864 mode:3 time:14309	stderr
2	May 29, 2021 22:44	5,003	44,305,214	14,008,000	2,001,000	2,400,256
3	May 29, 2021 22:55	5,006	35,232,880	14,018,000	2,002,000	2,281,472
4	May 29, 2021 22:44	5,008	37,354,514	14,021,000	2,003,000	2,281,472
5	May 29, 2021 22:44	5,013	50,322,475	14,035,000	2,005,000	2,404,352
6	May 29, 2021 22:44	5,016	40,499,922	15,048,000	1,003,000	2,404,352
7	May 29, 2021 22:38	5,016	34,629,271	14,045,000	2,006,000	2,281,472
8	May 29, 2021 22:44	5,017	40,013,633	15,052,000	1,003,000	2,404,352
9	May 29, 2021 22:44	5,017	40,328,714	15,052,000	1,003,000	2,408,448
10	May 29, 2021 22:44	5,017	37,746,028	14,047,000	2,006,000	2,396,160
11	May 29, 2021 22:44	5,017	32,300,196	15,052,000	1,003,000	2,281,472
12	May 29, 2021 22:38	5,018	43,133,727	16,058,000	0	2,400,256
13	May 30, 2021 16:49	5,019	43,388,150	15,058,000	1,003,000	2,281,472
14	May 29, 2021 22:55	5,022	37,971,062	15,067,000	1,004,000	2,281,472
15	May 29, 2021 22:55	5,022	39,579,001	14,062,000	2,008,000	2,281,472
16	May 29, 2021 22:55	5,023	42,689,516	14,063,000	2,009,000	2,281,472
17	May 30, 2021 16:49	5,023	42,608,138	15,070,000	1,004,000	2,408,448
18	May 29, 2021 22:38	5,023	33,453,483	14,066,000	2,009,000	2,277,376
19	May 30, 2021 16:49	5,025	42,838,605	15,076,000	1,005,000	2,404,352
20	May 29, 2021 22:38	5,027	33,276,153	15,080,000	1,005,000	2,281,472
21	May 29, 2021 22:44	5,028	41,126,138	14,077,000	2,011,000	2,281,472
22	May 29, 2021 22:55	5,029	31,864,437	15,089,000	1,005,000	2,281,472
23	May 30, 2021 16:49	5,029	36,223,961	15,087,000	1,005,000	2,408,448
24	May 29, 2021 22:44	5,030	37,847,719	14,085,000	2,012,000	2,408,448
25	May 29, 2021 22:44	5,030	40,325,653	14,084,000	2,012,000	2,416,640
26	May 29, 2021 22:44	5,030	36,980,117	15,090,000	1,006,000	2,396,160
27	May 29, 2021 22:55	5,031	42,931,894	14,087,000	2,012,000	2,404,352
28	May 30, 2021 16:49	5,032	43,423,174	15,096,000	1,006,000	2,404,352
29	May 29, 2021 22:38	5,032	31,382,260	14,090,000	2,012,000	2,400,256
30	May 29, 2021 22:44	5,036	31,934,534	15,107,000	1,007,000	2,404,352
31	May 29, 2021 22:38	5,041	41,317,270	14,114,000	2,016,000	2,281,472
32	May 29, 2021 22:55	5,043	35,214,579	14,121,000	2,017,000	2,281,472
33	May 29, 2021 22:55	5,044	34,117,507	14,123,000	2,017,000	2,281,472
34	May 30, 2021 16:49	5,047	39,399,151	14,132,000	2,018,000	2,404,352
35	May 29, 2021 22:38	5,048	33,267,092	14,133,000	2,019,000	2,408,448
36	May 29, 2021 22:38	5,048	41,684,938	14,134,000	2,019,000	2,281,472
37	May 29, 2021 22:44	5,050	40,634,650	15,151,000	1,010,000	2,412,544
38	May 29, 2021 22:44	5,050	38,849,101	15,150,000	1,010,000	2,281,472
39	May 29, 2021 22:38	5,052	43,875,419	15,157,000	1,010,000	2,281,472
40	May 30, 2021 16:49	5,053	31,245,077	14,149,000	2,021,000	2,482,176
41	May 30, 2021 16:49	5,054	38,769,620	14,153,000	2,021,000	2,281,472
42	May 30, 2021 16:49	5,058	42,322,972	15,173,000	1,011,000	2,400,256
43	May 29, 2021 22:44	5,061	36,871,680	14,170,000	2,024,000	2,281,472
44	May 29, 2021 22:55	5,062	39,911,109	15,185,000	1,012,000	2,400,256
45	May 29, 2021 22:44	5,062	45,220,008	14,173,000	2,024,000	2,408,448
46	May 29, 2021 22:44	5,063	47,785,715	14,175,000	2,025,000	2,281,472
47	May 29, 2021 22:44	5,189	72,086,743	16,603,405	0	2,289,664
48	May 29, 2021 22:38	5,194	91,350,621	16,619,861	0	2,293,760
49	May 29, 2021 22:55	5,196	94,154,240	16,627,455	0	2,285,568
50	May 29, 2021 22:44	5,197	82,338,284	16,628,973	0	2,301,952
51	May 29, 2021 22:38	5,200	76,905,056	16,639,251	0	2,293,760
52	May 30, 2021 16:49	5,202	59,801,679	16,644,998	0	2,293,760
53	May 29, 2021 22:44	5,211	81,209,323	16,674,768	0	2,285,568
54	May 30, 2021 16:49	5,212	77,784,176	16,677,485	0	2,285,568
55	May 29, 2021 22:55	5,215	77,380,621	16,688,533	0	2,285,568
56	May 29, 2021 22:44	5,223	83,430,732	16,712,002	0	2,285,568
57	May 29, 2021 22:55	5,225	59,474,761	16,718,762	0	2,252,800
58	May 29, 2021 22:44	5,231	81,868,689	16,738,308	0	2,289,664
59	May 29, 2021 22:38	5,232	85,987,437	16,741,494	0	2,289,664
60	May 30, 2021 16:49	5,236	81,724,279	16,754,329	0	2,285,568
61	May 29, 2021 22:44	5,257	90,418,941	16,821,383	0	2,281,472

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