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A Linux boot log showing the usage of TSC as system clocksource. The Time Stamp Counter (TSC) is a 64-bit register present on all x86 processors since the Pentium. It counts the number of CPU cycles since its reset. The instruction RDTSC returns the TSC in EDX:EAX. In x86-64 mode, RDTSC also clears the upper 32 bits of RAX and RDX.
The documentation of Red Hat MRG version 2 states that TSC is the preferred clock source due to its much lower overhead, but it uses HPET as a fallback. A benchmark in that environment for 10 million event counts found that TSC took about 0.6 seconds, HPET took slightly over 12 seconds, and ACPI Power Management Timer took around 24 seconds. [6]
Canon printers are supplied with Canon Advanced Printing Technology (CAPT), a printer driver software stack developed by Canon. The company claims that its use of data compression reduces their printer's memory requirement, good quality compared to conventional laser printers, and also claim that it increases the data transfer rate when ...
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Read 64-bit Time Stamp Counter (TSC) into EDX:EAX. [ m ] [ a ] In early processors, the TSC was a cycle counter, incrementing by 1 for each clock cycle (which could cause its rate to vary on processors that could change clock speed at runtime) – in later processors, it increments at a fixed rate that doesn't necessarily match the CPU clock speed.
Technology Service Corporation (TSC) is an American engineering company headquartered in Arlington, Virginia, providing services and specialized products to the U.S. government agencies and private industry.
IA32_TSC_ADJUST MSR avx512-vbmi: AVX-512 Vector Bit Manipulation Instructions sgx-keys: Attestation Services for Intel SGX: 1 2 sgx: Software Guard Extensions: umip: User-mode Instruction Prevention avx512-4vnniw: AVX-512 4-register Neural Network Instructions 2 3 bmi1: Bit Manipulation Instruction Set 1: pku: Memory Protection Keys for User ...
SSB-DOS (by Technical Systems Consultants (TSC) for Smoke Signal Broadcasting; a variant of FLEX in most respects) SymbOS (GUI based multitasking operating system for Z80 computers) Symobi (GUI based modern micro-kernel OS for x86, ARM and PowerPC processors, developed by Miray Software; used and developed further at Technical University of Munich)