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mbedtls: add SHA performance test

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Results with this revision:

SHA256 rate 2.599MB/sec Debug 240MHz SW
SHA256 rate 1.147MB/sec Release 80MHz SW
SHA256 rate 3.469MB/sec Release 240MHz SW
SHA256 rate 2.687MB/sec Release 240MHz SW + PSRAM workaround

SHA256 rate 9.433MB/sec Debug 240MHz HW rev1
SHA256 rate 3.727MB/sec Release 80MHz HW rev1
SHA256 rate 10.961MB/sec Release 240MHz HW rev1
SHA256 rate 9.966MB/sec Release 240MHz HW rev1 + PRAM workaround

SHA256 rate 10.974MB/sec Debug 240MHz HW rev3
SHA256 rate 4.362MB/sec Release 80MHz HW rev3
SHA256 rate 13.207MB/sec Release 240MHz HW rev3

Debug = Og, assertions enabled
Release = O2, assertions disabled
This commit is contained in:
Ivan Grokhotkov
2019-10-11 07:57:26 +02:00
parent 49193beb6d
commit 589a1f216f
3 changed files with 61 additions and 1 deletions
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components/idf_test/include/idf_performance.h
+2
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@@ -30,4 +30,6 @@
// floating point instructions per divide and per sqrt (configured for worst-case with PSRAM workaround)
#define IDF_PERFORMANCE_MAX_ESP32_CYCLES_PER_DIV 70
#define IDF_PERFORMANCE_MAX_ESP32_CYCLES_PER_SQRT 140
// SHA256 hardware throughput at 240MHz, threshold set lower than worst case
#define IDF_PERFORMANCE_MIN_SHA256_THROUGHPUT_MBSEC 9.0