Rusty Russell 1764d6c907 grind_htlc_tx_fee: benchmark. ... Takes 15 seconds on my laptop to do the worst-case grind: $ onchaind/test/run-grind_feerate 250001 250001 iterations in 15893 msec = 63574 nsec each It's not worth optimizing as it's 75% in libsecp: 29.65% run-grind_feera run-grind_feerate [.] secp256k1_fe_mul_inner 23.51% run-grind_feera run-grind_feerate [.] secp256k1_fe_sqr_inner 11.04% run-grind_feera run-grind_feerate [.] secp256k1_gej_double_var.part.6.constprop.34 9.56% run-grind_feera run-grind_feerate [.] secp256k1_scalar_reduce_512 5.70% run-grind_feera run-grind_feerate [.] Round Even forcing a compile with -O3 -flto, it's only 13883 msec = 55534 nsec each. Fixes: #291 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>		2018-04-04 02:31:41 +00:00
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Makefile	onchaind: support tests.	2018-04-04 02:31:41 +00:00
run-grind_feerate.c	grind_htlc_tx_fee: benchmark.	2018-04-04 02:31:41 +00:00