Closed
Bug 1559012
Opened 5 years ago
Closed 5 years ago
Improve GCM perfomance using PMULL2
Categories
(NSS :: Libraries, enhancement, P1)
Tracking
(firefox-esr60 wontfix, firefox-esr68 wontfix, firefox67 wontfix, firefox67.0.1 wontfix, firefox68 wontfix, firefox69 affected)
RESOLVED
FIXED
3.46
People
(Reporter: m_kato, Assigned: m_kato)
References
Details
(Whiteboard: [geckoview:p2] [bcs:p2])
Attachments
(1 file)
we can improve perfomance using PMULL2 instruction of aarch64. PMULL2 is only aarch64 mode, not ARMv8.
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Assignee | |
Comment 1•5 years ago
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Cortex-A72 single core with my WIP.
Original
mode in symmkey opreps cxreps context op time(sec) thrgput
aes_gcm_e 190Mb 192 12M 0 0.000 10000.000 10.000 19Mb
Using PMULL2
mode in symmkey opreps cxreps context op time(sec) thrgput
aes_gcm_e 501Mb 192 32M 0 0.000 10000.000 10.000 50Mb
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Assignee | |
Updated•5 years ago
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Type: defect → enhancement
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Assignee | |
Comment 2•5 years ago
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Updated•5 years ago
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Status: NEW → ASSIGNED
Priority: -- → P1
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Comment 3•5 years ago
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esr68=affected because we might want to uplift this optimization to Fennec ESR 68.1.
status-firefox67:
--- → wontfix
status-firefox67.0.1:
--- → wontfix
status-firefox68:
--- → wontfix
status-firefox69:
--- → affected
status-firefox-esr60:
--- → wontfix
status-firefox-esr68:
--- → affected
Whiteboard: [geckoview:p2] [bcs:p2]
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Comment 4•5 years ago
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Status: ASSIGNED → RESOLVED
Closed: 5 years ago
Resolution: --- → FIXED
Target Milestone: --- → 3.46
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Comment 5•5 years ago
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status-firefox-esr68=wontfix because we don't plan to uplift these NSS changes to Fennec ESR 68.
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Description
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