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: 5,479

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 8, 2024 19:45	5,428	43,860,649	16,349,000	1,021,000	2,293,760
2	Jun 8, 2024 20:17	5,428	38,107,541	16,349,000	1,021,000	2,375,680
3	Jun 8, 2024 19:44	5,438	39,692,533	17,403,000	0	2,367,488
4	Jun 8, 2024 19:47	5,440	40,967,172	17,408,000	0	2,293,760
5	Jun 8, 2024 19:45	5,440	37,936,661	17,407,000	0	2,371,584
6	Jun 8, 2024 19:44	5,442	46,235,317	16,391,000	1,024,000	2,371,584
7	Jun 8, 2024 19:44	5,442	51,276,441	16,391,000	1,024,000	2,371,584
8	Jun 8, 2024 19:44	5,447	39,643,861	16,404,000	1,025,000	2,371,584
9	Jun 8, 2024 19:45	5,450	33,409,401	16,414,000	1,025,000	2,293,760
10	Jun 8, 2024 20:17	5,450	36,531,148	17,440,000	0	2,371,584
11	Jun 8, 2024 19:45	5,451	36,360,934	16,417,000	1,026,000	2,363,392
12	Jun 8, 2024 19:47	5,452	34,653,539	17,445,000	0	2,379,776
13	Jun 8, 2024 20:17	5,452	45,044,244	16,420,000	1,026,000	2,293,760
14	Jun 8, 2024 19:45	5,454	45,338,002	16,427,000	1,026,000	2,375,680
15	Jun 8, 2024 19:44	5,455	41,233,246	17,455,000	0	2,293,760
16	Jun 8, 2024 19:47	5,457	34,783,476	16,435,000	1,027,000	2,293,760
17	Jun 8, 2024 19:44	5,459	34,928,765	16,441,000	1,027,000	2,367,488
18	Jun 8, 2024 19:45	5,460	43,879,839	17,471,000	0	2,363,392
19	Jun 8, 2024 19:47	5,463	33,425,153	16,453,000	1,028,000	2,379,776
20	Jun 8, 2024 19:45	5,463	33,586,084	17,481,000	0	2,371,584
21	Jun 8, 2024 19:44	5,464	40,281,099	16,457,000	1,028,000	2,363,392
22	Jun 8, 2024 20:17	5,465	40,271,220	17,489,000	0	2,367,488
23	Jun 8, 2024 19:44	5,466	40,860,580	17,492,000	0	2,293,760
24	Jun 8, 2024 19:44	5,467	40,153,057	17,493,000	0	2,375,680
25	Jun 8, 2024 19:44	5,467	35,048,057	17,493,000	0	2,375,680
26	Jun 8, 2024 19:45	5,468	38,532,152	16,469,000	1,029,000	2,293,760
27	Jun 8, 2024 19:45	5,468	39,040,924	16,467,000	1,029,000	2,375,680
28	Jun 8, 2024 20:17	5,468	34,494,354	16,467,000	1,029,000	2,371,584
29	Jun 8, 2024 19:44	5,472	40,901,317	17,510,000	0	2,293,760
30	Jun 8, 2024 19:44	5,473	43,912,953	17,515,000	0	2,363,392
31	Jun 8, 2024 19:45	5,475	44,060,694	16,490,000	1,030,000	2,293,760
32	Jun 8, 2024 19:47	5,476	41,367,472	16,493,000	1,030,000	2,371,584
33	Jun 8, 2024 19:45	5,476	44,806,560	17,523,000	0	2,293,760
34	Jun 8, 2024 20:17	5,478	40,167,647	17,529,000	0	2,359,296
35	Jun 8, 2024 19:44	5,478	39,896,040	16,497,000	1,031,000	2,375,680
36	Jun 8, 2024 19:45	5,479	39,901,035	16,502,000	1,031,000	2,293,760
37	Jun 8, 2024 19:45	5,479	46,239,759	16,502,000	1,031,000	2,293,760
38	Jun 8, 2024 19:47	5,481	38,305,825	16,508,000	1,031,000	2,289,664
39	Jun 8, 2024 19:44	5,482	39,312,683	17,543,000	0	2,478,080
40	Jun 8, 2024 19:44	5,483	34,722,887	17,546,000	0	2,293,760
41	Jun 8, 2024 19:44	5,484	43,812,102	16,517,000	1,032,000	2,371,584
42	Jun 8, 2024 19:47	5,484	45,293,641	17,549,000	0	2,293,760
43	Jun 8, 2024 20:17	5,484	39,129,531	17,549,000	0	2,379,776
44	Jun 8, 2024 19:45	5,485	41,939,508	16,519,000	1,032,000	2,371,584
45	Jun 8, 2024 19:45	5,485	43,796,407	16,520,000	1,032,000	2,367,488
46	Jun 8, 2024 19:47	5,489	38,197,130	17,566,000	0	2,367,488
47	Jun 8, 2024 19:45	5,490	39,502,336	16,536,000	1,033,000	2,375,680
48	Jun 8, 2024 20:17	5,495	44,203,884	17,584,000	0	2,473,984
49	Jun 8, 2024 19:44	5,497	38,295,028	17,591,000	0	2,371,584
50	Jun 8, 2024 19:47	5,499	35,852,456	16,561,000	1,035,000	2,293,760
51	Jun 8, 2024 19:45	5,501	44,082,214	17,604,000	0	2,293,760
52	Jun 8, 2024 20:17	5,503	44,727,196	17,608,000	0	2,293,760
53	Jun 8, 2024 19:44	5,507	33,653,180	16,587,000	1,036,000	2,293,760
54	Jun 8, 2024 19:45	5,507	48,261,315	17,623,000	0	2,379,776
55	Jun 8, 2024 19:45	5,652	103,699,390	18,085,489	0	2,260,992
56	Jun 8, 2024 19:44	5,660	87,895,033	18,111,608	0	2,252,800
57	Jun 8, 2024 19:45	5,670	85,220,259	18,142,419	0	2,240,512
58	Jun 8, 2024 19:44	5,671	96,243,837	18,146,329	0	2,236,416
59	Jun 8, 2024 19:47	5,673	65,712,783	18,152,475	0	2,248,704
60	Jun 8, 2024 19:45	5,676	80,455,453	18,162,827	0	2,248,704
61	Jun 8, 2024 19:45	5,688	61,840,519	18,200,517	0	2,244,608
62	Jun 8, 2024 19:44	5,699	87,844,165	18,235,453	0	2,248,704
63	Jun 8, 2024 20:17	5,702	95,431,332	18,245,777	0	2,236,416
64	Jun 8, 2024 19:45	5,704	96,838,422	18,254,069	0	2,236,416
65	Jun 8, 2024 19:45	5,709	66,560,140	18,269,486	0	2,232,320
66	Jun 8, 2024 19:44	5,711	82,157,046	18,276,475	0	2,244,608
67	Jun 8, 2024 20:17	5,720	88,336,702	18,303,679	0	2,244,608
68	Jun 8, 2024 19:47	5,727	76,784,887	18,327,509	0	2,244,608
69	Jun 8, 2024 19:44	5,739	88,607,927	18,365,266	0	2,240,512
70	Jun 8, 2024 20:17	5,739	68,846,933	18,363,856	0	2,379,776
71	Jun 8, 2024 19:44	5,742	97,325,199	18,374,627	0	2,240,512
72	Jun 8, 2024 19:47	5,746	72,641,358	18,386,000	0	2,240,512

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