Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 200,829
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     209,470
Calibration 2     203,222
Calibration 3     201,626
ssj_ops@calibrated=202,424
100% 99.2% 202,424 200,829
90% 90.1% 182,182 182,319
80% 80.8% 161,939 163,526
70% 69.4% 141,697 140,443
60% 59.8% 121,454 120,952
50% 50.2% 101,212 101,554
40% 40.2% 80,970 81,432
30% 30.5% 60,727 61,707
20% 20.3% 40,485 41,010
10% 10.1% 20,242 20,407
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,236,867 1,494
Payment 15,236,868
Order Status 1,523,685
Delivery 1,523,687
Stock Level 1,523,687
Customer Report 15,236,872
Calibration 2 New Order 14,780,852 1,494
Payment 14,780,849
Order Status 1,478,085
Delivery 1,478,085
Stock Level 1,478,085
Customer Report 14,780,852
Calibration 3 New Order 14,664,287 1,494
Payment 14,664,289
Order Status 1,466,430
Delivery 1,466,427
Stock Level 1,466,428
Customer Report 14,664,287
100% 99.2% New Order 14,607,303 1,494
Payment 14,607,300
Order Status 1,460,730
Delivery 1,460,729
Stock Level 1,460,730
Customer Report 14,607,303
90% 90.1% New Order 13,260,093 1,494
Payment 13,260,091
Order Status 1,326,008
Delivery 1,326,009
Stock Level 1,326,009
Customer Report 13,260,086
80% 80.8% New Order 11,893,293 1,494
Payment 11,893,291
Order Status 1,189,328
Delivery 1,189,328
Stock Level 1,189,328
Customer Report 11,893,290
70% 69.4% New Order 10,214,082 1,494
Payment 10,214,084
Order Status 1,021,407
Delivery 1,021,409
Stock Level 1,021,409
Customer Report 10,214,085
60% 59.8% New Order 8,796,956 1,494
Payment 8,796,955
Order Status 879,696
Delivery 879,695
Stock Level 879,695
Customer Report 8,796,952
50% 50.2% New Order 7,385,955 1,494
Payment 7,385,958
Order Status 738,595
Delivery 738,595
Stock Level 738,595
Customer Report 7,385,958
40% 40.2% New Order 5,922,421 1,494
Payment 5,922,423
Order Status 592,244
Delivery 592,243
Stock Level 592,243
Customer Report 5,922,426
30% 30.5% New Order 4,487,880 1,494
Payment 4,487,881
Order Status 448,789
Delivery 448,788
Stock Level 448,788
Customer Report 4,487,883
20% 20.3% New Order 2,982,662 1,494
Payment 2,982,658
Order Status 298,265
Delivery 298,266
Stock Level 298,265
Customer Report 2,982,656
10% 10.1% New Order 1,484,241 1,494
Payment 1,484,242
Order Status 148,424
Delivery 148,425
Stock Level 148,424
Customer Report 1,484,245
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0