Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 192,371
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     196,507
Calibration 2     193,560
Calibration 3     192,886
ssj_ops@calibrated=193,223
100% 99.6% 193,223 192,371
90% 89.5% 173,901 173,008
80% 79.3% 154,578 153,144
70% 70.2% 135,256 135,696
60% 59.7% 115,934 115,397
50% 50.4% 96,611 97,382
40% 39.9% 77,289 77,104
30% 30.0% 57,967 57,958
20% 20.1% 38,645 38,818
10% 9.7% 19,322 18,737
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,293,087 1,494
Payment 14,293,080
Order Status 1,429,308
Delivery 1,429,309
Stock Level 1,429,309
Customer Report 14,293,084
Calibration 2 New Order 14,078,404 1,494
Payment 14,078,403
Order Status 1,407,841
Delivery 1,407,839
Stock Level 1,407,841
Customer Report 14,078,405
Calibration 3 New Order 14,028,822 1,494
Payment 14,028,821
Order Status 1,402,883
Delivery 1,402,881
Stock Level 1,402,882
Customer Report 14,028,822
100% 99.6% New Order 13,991,588 1,494
Payment 13,991,587
Order Status 1,399,159
Delivery 1,399,159
Stock Level 1,399,159
Customer Report 13,991,592
90% 89.5% New Order 12,584,020 1,494
Payment 12,584,013
Order Status 1,258,402
Delivery 1,258,401
Stock Level 1,258,400
Customer Report 12,584,015
80% 79.3% New Order 11,139,241 1,494
Payment 11,139,244
Order Status 1,113,924
Delivery 1,113,925
Stock Level 1,113,924
Customer Report 11,139,242
70% 70.2% New Order 9,869,260 1,494
Payment 9,869,258
Order Status 986,925
Delivery 986,927
Stock Level 986,926
Customer Report 9,869,258
60% 59.7% New Order 8,392,647 1,494
Payment 8,392,655
Order Status 839,264
Delivery 839,265
Stock Level 839,264
Customer Report 8,392,648
50% 50.4% New Order 7,082,634 1,494
Payment 7,082,638
Order Status 708,264
Delivery 708,262
Stock Level 708,264
Customer Report 7,082,636
40% 39.9% New Order 5,607,589 1,494
Payment 5,607,587
Order Status 560,759
Delivery 560,759
Stock Level 560,758
Customer Report 5,607,589
30% 30.0% New Order 4,215,552 1,494
Payment 4,215,550
Order Status 421,554
Delivery 421,554
Stock Level 421,554
Customer Report 4,215,555
20% 20.1% New Order 2,823,134 1,494
Payment 2,823,129
Order Status 282,314
Delivery 282,313
Stock Level 282,312
Customer Report 2,823,128
10% 9.7% New Order 1,362,710 1,494
Payment 1,362,715
Order Status 136,272
Delivery 136,272
Stock Level 136,270
Customer Report 1,362,711
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0