SRBase: Difference between revisions

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=== Applications ===

SRBase distributes computational work to volunteers via the [[wikipedia:Berkeley Open Infrastructure for Network Computing|BOINC]] client. The core computation involves [[wikipedia:primality test|primality testing]] of candidate numbers of the forms <math>k \cdot b^n \pm 1</math>. The project has migrated from the LLR2 application to PRST (a similar application already used at [[wikipedia:PrimeGrid|PrimeGrid]]), which was intended to replace LLR2 and brings performance improvements and better hardware support. Recent application milestones include updating to PRST v10, multi-GPU sieving, and support for [[wikipedia:Intel Arc|Intel Arc]] GPUs.~~<ref>{{cite web |url=https://boincsynergy.ca/wiki/SRBase/ |title=SRBase – BOINC Synergy |access-date=2026-05-23}}</ref>~~

SRBase distributes computational work to volunteers via the [[wikipedia:Berkeley Open Infrastructure for Network Computing|BOINC]] client. The core computation involves [[wikipedia:primality test|primality testing]] of candidate numbers of the forms <math>k \cdot b^n \pm 1</math>. The project has migrated from the LLR2 application to PRST (a similar application already used at [[wikipedia:PrimeGrid|PrimeGrid]]), which was intended to replace LLR2 and brings performance improvements and better hardware support. Recent application milestones include updating to PRST v10, multi-GPU sieving, and support for [[wikipedia:Intel Arc|Intel Arc]] GPUs.

Both CPU and GPU work units are available. The PRST application supports modern instruction sets including [[wikipedia:AVX-512|AVX-512]] for compatible processors, allowing significantly faster computations on modern hardware.

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=== Proven bases and conjecture progress ===

As of early 2021, SRBase had reported 400 of 1,031 Riesel bases proven and 390 of 1,032 Sierpiński bases proven, with 112 bases still unstarted.~~<ref>{{cite web |url=https://boincsynergy.ca/blog/srbase/ |title=SRBase – BOINC Synergy |access-date=2026-05-23}}</ref>~~ Progress statistics are maintained by the CRUS project at [http://www.noprimeleftbehind.net/crus/ noprimeleftbehind.net].

As of early 2021, SRBase had reported 400 of 1,031 Riesel bases proven and 390 of 1,032 Sierpiński bases proven, with 112 bases still unstarted. Progress statistics are maintained by the CRUS project at [http://www.noprimeleftbehind.net/crus/ noprimeleftbehind.net].

* [http://www.noprimeleftbehind.net/crus/vstats_new/crus-stats.htm Overall CRUS statistics]

@@ Line 91: / Line 91: @@
 === Applications ===
-SRBase distributes computational work to volunteers via the [[wikipedia:Berkeley Open Infrastructure for Network Computing|BOINC]] client. The core computation involves [[wikipedia:primality test|primality testing]] of candidate numbers of the forms <math>k \cdot b^n \pm 1</math>. The project has migrated from the LLR2 application to PRST (a similar application already used at [[wikipedia:PrimeGrid|PrimeGrid]]), which was intended to replace LLR2 and brings performance improvements and better hardware support.  Recent application milestones include updating to PRST v10, multi-GPU sieving, and support for [[wikipedia:Intel Arc|Intel Arc]] GPUs.<ref>{{cite web |url=https://boincsynergy.ca/wiki/SRBase/ |title=SRBase – BOINC Synergy |access-date=2026-05-23}}</ref>
+SRBase distributes computational work to volunteers via the [[wikipedia:Berkeley Open Infrastructure for Network Computing|BOINC]] client. The core computation involves [[wikipedia:primality test|primality testing]] of candidate numbers of the forms <math>k \cdot b^n \pm 1</math>. The project has migrated from the LLR2 application to PRST (a similar application already used at [[wikipedia:PrimeGrid|PrimeGrid]]), which was intended to replace LLR2 and brings performance improvements and better hardware support.  Recent application milestones include updating to PRST v10, multi-GPU sieving, and support for [[wikipedia:Intel Arc|Intel Arc]] GPUs.
 Both CPU and GPU work units are available. The PRST application supports modern instruction sets including [[wikipedia:AVX-512|AVX-512]] for compatible processors, allowing significantly faster computations on modern hardware.
@@ Line 141: / Line 141: @@
 === Proven bases and conjecture progress ===
-As of early 2021, SRBase had reported 400 of 1,031 Riesel bases proven and 390 of 1,032 Sierpiński bases proven, with 112 bases still unstarted.<ref>{{cite web |url=https://boincsynergy.ca/blog/srbase/ |title=SRBase – BOINC Synergy |access-date=2026-05-23}}</ref> Progress statistics are maintained by the CRUS project at [http://www.noprimeleftbehind.net/crus/ noprimeleftbehind.net].
+As of early 2021, SRBase had reported 400 of 1,031 Riesel bases proven and 390 of 1,032 Sierpiński bases proven, with 112 bases still unstarted. Progress statistics are maintained by the CRUS project at [http://www.noprimeleftbehind.net/crus/ noprimeleftbehind.net].
 * [http://www.noprimeleftbehind.net/crus/vstats_new/crus-stats.htm Overall CRUS statistics]