speed-bench: add Mac Studio M1 Ultra 64GB streaming numbers

speed-bench/m1_ultra_64gb_stream.csv

@@ -0,0 +1,17 @@
+ctx_tokens,prefill_tokens,prefill_tps,gen_tokens,gen_tps,kvcache_bytes
+2048,2048,99.71,128,5.49,52184460
+4096,2048,118.26,128,5.23,80373132
+6144,2048,117.72,128,5.53,108561804
+8192,2048,115.91,128,5.09,136750476
+10240,2048,116.18,128,5.33,164939148
+12288,2048,114.83,128,5.80,193127820
+14336,2048,112.82,128,5.11,221316492
+16384,2048,115.85,128,5.12,249505164
+18432,2048,114.39,128,5.01,277693836
+20480,2048,112.39,128,5.49,305882508
+22528,2048,109.94,128,5.18,334071180
+24576,2048,110.66,128,4.97,362259852
+26624,2048,110.42,128,4.73,390448524
+28672,2048,110.02,128,4.83,418637196
+30720,2048,109.30,128,4.79,446825868
+32768,2048,107.86,128,4.90,475014540