Prime Bench

Compare CPU and Browser Performance by Counting Primes

After running, scroll down to compare results.

Multi Core Segmented Sieve Fast
Segmented sieve using - logical cores.
Execution Time
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Primes Found
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Single Core Ref
Single-thread performance baseline.
Limit of 1 billion, uncheck to override.
Execution Time
-
Primes Found
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Performance Log

Source Threads Limit (N) Multi (ms) Single (ms) Speedup